沃尔玛（乙方）业（甲方）维保职责
空调系统
1果套独立空调系统专沃尔玛行沃尔玛负责设备日常保养运行理承担费设备维修保养设备更新业负责承担费中维修保养容详见附件A
2果沃尔玛空调系统业空调系统部分整空调系统业负责维修保养沃尔玛发现空调系统设备障业应两时现场进行维修直设备恢复正常业时维修拒绝维修沃尔玛委托第三方进行维续产生维修费单月租金中扣沃尔玛租赁区空调耗根沃尔玛业签署房屋租赁协议约定进行计算计量
3业提供空调系统室外冷凝设备噪音达环保求
设备质量安装原 业负责做环保工程便达环保求
二 供暖(锅炉)系统
1 果套独立供暖(锅炉系统)系统专沃尔玛行业负责(包括 限)设备日常维修保养运行理承担费设备维修设备更新业负责承担费沃尔玛负责设备系统运行费
2果沃尔玛供暖(锅炉)系统业供暖(锅炉)系统部分供暖
(锅炉)系统机外围设备业负责运行维修保养房屋沃尔玛末端设备业进行保养承担费房屋沃尔玛供暖(锅炉)系统耗根沃尔玛业签署房屋租赁协议约定进行计算计量
三 消防系统
1果业提供消防系统专沃尔玛应业委托第三方资质消
防公司负责消防系统日常维护保养检测维修工作承担相关费月沃尔玛提供第三方资质消防保养公司出具月检测报告确保沃尔玛消防系统正常运作系统设备维修设备更新工作业负责承担费中设备修包括：1) 消防控制中心机正常保养情况需维修更换程序更新直系统恢复正常工作系统产品更新技术改造2)排烟风机电机消防水泵消防电机室外消火栓室外相关配套消防设备
2沃尔玛消防系统业消防系统部分业负责消防系统维修保养检测工作(包括消防水泵电)沃尔玛负责房屋消防设备日常检查保工作业负责包括沃尔玛租赁区消防系统应业委托第三方资质消防公司负责消防系统维修保养月沃尔玛提供第三方消防保养公司出具月检测报告确保沃尔玛消防系统正常运作
3果沃尔玛新增部分消防系统业负责消防监控中心系统维保
检测 值班工作沃尔玛负责新增部分维修保养检测工作承担相关责
费部分第2条履行业允许沃尔玛工作员机房做月
检
4述三种情况消防控制室均应业安排员值班承担费
四 供电系统
1变电(含高压开关柜变压器低压配电柜馈出电缆相关变电设备)均业负责维修保养工作业安排员值班承担费
2柴油发电机：1)业业负责维修保养保障安全正常运行
2)沃尔玛专维保期通常1年1500时
业负责维修保养沃尔玛出运行费1年1500
时柴油发电机处良正常状态沃尔玛负责日常维修
承担运行费未达寿命前出现非运行障
业负责
3业必须确保沃尔玛高压线路安全搭载户确保沃尔玛
直接供电部门缴费直接抄表户
五 电梯
1 果业提供电梯专供沃尔玛保修期业负责维修保养承
担维修年检费保修期沃尔玛负责日常清洁日常保养工作负责设备年检工作承担费设备正常专业保养情况维修设备更新业负责中设备维修界定详见附件B
2 果电梯业业负责维修保养年检工作承担维保运行费
六 供排水设施
1果沃尔玛业(户)供水设施：
1 业负责维护沃尔玛水总表(包括水总表)市政道部分
2 供水设施维护保养生活消防水池清洗工作
2果沃尔玛属市政直接供水：
1 沃尔玛负责市政水总表房屋部分切供水设施设备维护保养运行费
2 室外部分污水道检查井污水处理设施生活水池清洗清通维护业负责年室外道业少清通次
七 供气设施：
业负责：
1 燃气总表（包括总表）市政道部分包括燃气调压站燃气计量表
沃尔玛负责：
1 燃气总表房屋部分
八公区域外围设备设施维修保养水电业负责沃尔玛工作员需巡检设备等业需提供方便配合
附件A
空调机组检修求
检修定义：
水冷机组：
年保养次沃尔玛负责更换润滑油油滤器干燥滤器等易耗件业负责整机进行检查保证机组正常运行发现潜隐患达节约源延长机组寿命机组进行保养造成障隐患
检修分修中修分机组检修压缩机检修压缩机解体检查清洗部更换零件种情况般称压缩机中修检查部运动部件磨损程度严重需更换种情况般称压缩机修整机言维修时需制冷剂导出机外进行维修处理般称机组修外维修处理般称中修维修（业负责）
风冷活塞机组：
保养情况：（业负责）
中修情况般样：压缩机机组移出开缸盖电机进行清洗检查曲轴连杆活塞等磨损情况需更换重新进行装配恢复运行种情况般称压缩机检查中修零件磨损严重需更换种情况般称压缩机修
二保养定义
（水冷机组）
供冷季节检查
A 供冷季节启动前准备检查
供冷季节运行前须进行列项检查准备确保机组安全高效运行：
检查制冷剂液位油面
检查油槽油加热器温度
检查测试运行控制安全控制功
操作员起温操步骤查机组历史记录
检查启动器运行
配合检查水系统运行情况(包括冷冻水泵水流开关冷冻水泵冷塔阀门等)检查调整微电脑控制中心设定值
启动冷水机组检查整系统运行状况记录机组运行参数
根运行记录分析处理机组问题
B 运行季节检查
机组运行期间沃尔玛定期(月)进行列项检查确保机组整供冷季节运行高效
检查冷水机组调整安全控制装置
检查控制装置运行
检查制冷剂液位油位
检查润滑系统运行
检查回油系统
检查电机启动器运行
记录运行状态参数分析确认机组运行正常必时通知业进行机组检修
记录报告求备件
C 年次设备停机检查预防性保养(业负责)
停机期间年次进行列项检查便正确评价设备状态供冷季节运行作准备
检查压缩机电机组件列项完成预防性保养项务
记录电压
兆欧表测量记录电机绕阻绝缘电阻
润滑开式电机
检查开式电机驱动装置定位状态
检查联轴器
检查入口导叶操作机构联接机构润滑需润滑部位
检查压缩机润滑油系统列项
根需更换润滑油油滤器干燥滤器
检查油泵密封油泵电机
清洁排污
检查加热器恒温器
检查油系统部件油冷器滤器电磁阀等
执行列项操作检查电机启动器
执行诊断检查程序
清洁接触器必时建议更换
检查接线端拧紧
空载运行启动器(启动前)检查状态指示灯
检查控制面板确定列项
执行诊断检查程序
检查安全停机运行状态
检查接线端 拧紧
检查显示数精度设定值
检查冷凝器蒸发器列项
检查水流开关控制情况
根运行记录参数分析热交换效果建议水质处理
必时拆卸端盖更换密封垫
检查系统列项
记录视液镜状态
检查制冷剂循环确认处正常衡状态
遵循检查维护步骤修理脱落保温层
操作员沟通
(复式冷水机组)
供冷季节检查
A 供冷季节启动前准备检查
供冷季节运行前须进行列项检查准备确保机组安全高效运行
配合检查辅助设备运行状况
更换润滑油
检查曲轴箱加热器油温润滑系统
检查测试运行安全控制
检查确认电压启动器运行正确
启动机组标定控制变送器
检查确认冷器热器配置正确
机组稳定记录运行条件
操作员起温操作步骤
风冷冷凝器须增加列项检查
机组周围部脏物
检查冷凝器盘否堵塞建议清洁盘
检查拧紧电气接头
检查润滑风机电机轴承
启动检查风机风机电机运行状态
B 运行季节检查
进行列项检查确保机组整供冷季节运行高效
检查确认通常运行条件运行状态
记录运行状态进行数分析找出合理方
求调节运行控制
检查确认油位制冷剂量充注正确
检查油温曲轴箱加热器
检查启动器继电器控制元件
检查风冷冷凝器风机电机运行状态
操作员起温操作步骤查户记录
C 年次设备停机检查预防性保养(业负责)
停机期间年次进行列项检查便正确评价设备状态供冷季节运行作准备
兆欧测量电机绕阻电阻记录
检查压缩机油位求补充润滑油
检查曲轴箱加热器确认运行正常
更换干燥滤器
拧紧接触器电机端子箱电源线
清洁连接接头必求更换
检查继电器运行控制装置安全保护装置
检查确认控制装置安全保护装置卸载装置外部联锁跨接装置
检查确认压缩机吸气排气阀完
空调系统(直燃机)
空调机组检修求
1业负责直燃机定期维护保养容
直燃机维护保养容（年）
次数
服务容
服务时期
1次
制冷开机检查
5月份
2次
制冷停机检查保养
10月份
3次
采暖开机检查
11月份
4次
采暖停机检查保养
34月份
5次
溶液取样检验
机组运行期间
2直燃机定期保养检查项目：
1）全装置检查测试
2）运行分析测量
3）吸收剂制冷剂理
4）燃烧器理燃燒室內煙塵清潔
5）真空泵维护
6）泵诊断修理
7) 吸收器冷凝器內部傳熱清洗
3负责时联系设备厂家直燃机运行期间出现突发性障进行检测解决
制冷设备中央空调机(机组)专业等级保养项目览表
级保养(运行时间4000时)(业负责)
1机外表面锈清洁漆紧固机表面外螺丝螺帽修补机保温
层安装防鼠网
2清洁制冷系统表面清洁机电控柜(箱)外电控系统检测电控系统零配
件风机马达压缩机马达阻值绝缘值灵敏度精确度消电控系统零配
件异声异味隐患清洁表面紧固
3检测制冷系统阀件保护器滤器探头工作状况消隐患
4制冷系统全面检漏检堵全面检测制冷系统部位温度(包括压缩机)检测冷凝
压力蒸发压力吸气压力排气压力油温油压冷凝温度蒸发温度冷冻水进
出温度温差冷水进出温度温差消隐患
5检测仪器仪表精确度灵敏度校正清洁
6机进行全面工况调节调试适加补制冷剂适回收制冷剂机处
佳工作状态
7进行级保养设备外观洁净感受良设备运行状况佳顾忧
二二级保养(运行时间超4000时) (业负责)
1拆卸制冷系统阀件滤器进行检测清洗排隐患更新滤器滤芯
清洗压缩机油箱油滤器更换冷冻机
2拆卸电控系统零配件保护器进行外清洗锈尘消氧气层
消种隐患拆卸风机马达外清洗干淨(含轴轴承)进行检测轴承油
消种隐患装配复原检测电线消隐患检测压缩机马达阻值绝缘状
况运行电流
3全制冷系统检漏检堵全面检测制冷系统部分温度(包括压缩机)检测冷凝
压力蒸发压力吸气压力排气压力油温油压冷凝温度蒸发温度
冷冻水进出温度温差冷水进出温度温差消隐患
4保养前须转移(回收)制冷剂完畢进行压力测试检漏检堵真空度测试
冷凝剂输回系统
5检测仪器仪表精确度灵敏度校正清洁
6机进行全面工况调节调试适加补制冷剂适回收制冷剂机
处良工作状态
7进行二级保养消种隐患设备运行工况良
三三级保养(运行超5000时) (业负责)
1冷凝器蒸发器部进行化学(工)垢菌藻清种污垢清
洗干淨清洁剂保养剂采兰州缓蚀技术研究生产格瑞牌清洗剂
保养剂时目前世界制冷設備中央空調锅炉等热交换設備唯绿色环保
型清洗剂保养剂安全彻底腐蚀污染毒
2冷凝器蒸发器进行压力测试检漏检堵真空度测试
清洗前须转移(回收)制冷剂完畢输回系统
四特级保养(累计运行时间超6000时) (业负责)
1拆卸压缩机全部零配件全面检测光洁度精度配合间隙精度清洗适
研磨疏通压缩机油路系统外油路系统清洗压缩机壳壁消种隐患製作石棉橡胶密封垫装配复原安裝位
2压缩机运行压力检测检漏真空度测试
3全密压缩机进行部清洗换油需解体实践证明清洗洁净度达80左右
减低累压缩机障率延长压缩机寿命35年清洗前须回收制冷
剂压缩机取出工作场
4全面检测制冷系统部位温度(包括压缩机)检测冷凝压力蒸发压力吸气压
力排气压力油温油压冷凝温度蒸发温度运行电流冷凍水进出温
度温差冷水进出温度温差消隐患
5机进行全面工况调节调试适加补冷剂回收冷剂机处
良工作状态
6进行特级保养消压缩机制冷系统种隐患確保良安全运行
降低設備障率延长障率周期延长設備寿命提高設備功
效
附件B
电梯設備维修保养界定
保养指电梯交付保证电梯正常安全运行计划进行必操作润滑检查清洁调整更换易损件
维修指根客户求双方签定合约定供方提供电梯产品维修服务改变额定速度额定载重量轿箱質量更换曳引机轿箱控制柜系统导轨等部件（业负责）
改造指全面部分改进电梯功性性安全性
维修改造項目分类表
NO
項目
类
1
YPVFVFMG加装停电柜
修
2
GVFFXGH98加装停电柜
修
3
YP加装停电柜
修
4
YP梯单控改联
修
5
YPAFFVF单控改联
修
6
加装GMS电梯群控系统
修
7
加装CIP电梯群控系统
修
8
更换曳引钢丝绳(1 1)
修
9
更换曳引钢丝绳(2 1)
修
10
更换重架绳轮轴承
修
11
更换轿顶反绳轮轴承
修
12
處理TYS机侧盖漏油
修
13
更换曳引机(减速箱)
修
14
更换蜗杆轴承(客梯) F10 B10
修
15
更换蜗杆轴承(客梯) F20 F30
修
16
更换轴架体轴承(TYS 机)
修
17
曳引机间隙尺寸调整
修
18
修正轿架轿顶
修
19
加装远距离遥监
修
20
轿箱部调整 紧固(水卡胶)
修
21
检查调整层调整
中修
22
改造轿顶轿顶裝飾
中修
23
YPVFVFMG加装消防迫降反馈信号
中修
24
GVFYPFB梯加装消防迫降反馈信号
中修
25
YPFB梯加装消防功
中修
26
YPVFVFMGGVF加装消防功
中修
27
加装轿报站钟
中修
28
更换轿裝飾吊顶
中修
29
更换轿箱壁板顶板
中修
30
更换机推力轴承
中修
31
更换蜗杆轴油封
中修
32
更换曳引轮轴骨架油封
中修
33
更换曳引轮
中修
34
制动器解体检查 清理 调整
中修
35
更换电动机
中修
36
更换电动机轴承(前)
中修
37
更换电动机轴承()
中修
38
轿箱重导靴修正更换
中修
39
轿架轿底尺寸检查修正
中修
40
调校门头 门扇 门锁立柱尺寸
中修
41
更换厅门踏板(F梯)
中修
42
更换厅门踏板(客梯铁牛腿)
中修
43
更换厅门踏板(客梯水泥牛腿)
中修
44
加装底坑梯
修
45
加装涨紧轮开关
修
46
加装缓器开关
修
47
负载试验
修
48
磅机
修
49
更换轿门
修
NO
項目
类
50
更换电子板 模块检查线路
修
51
加装值班室讲机
修
52
更换垂直式涨紧轮
修
53
加装井道灯
修
54
更换导轨靴靴衬
修
55
更换附导轨靴靴衬
修
56
截短曳引钢丝绳(12)
修
57
截短曳引钢丝绳(10)
修
58
更换刹车皮调整
修
59
重新调整曳引机部分参数
修
60
标准系统检查修正(满载)
修
61
轿门机动系统检修
修
62
清洁调整轿箱安全钳钳嘴
修
63
层门轮门门刀厅踏板轿门踏板尺寸
修
64
层门轮 转动机构 付锁调整
修
65
更换厅门(门锁门扇传动机构)
修
66
更换门锁付门锁
修
67
更换门传动机构
修
68
更换控制屏电器机件
修
69
检查控制线路动作程序
修
70
更换厅门(门锁门扇传动机构)
修
71
更换厅门踏板
修
72
更换门锁付门锁
修
73
更换门传动机构
修
74
更换控制屏电器机件
修
75
检查控制线路动作程序
修
76
接触器检修更换
修
77
接线端子紧固检查(整机)
修
78
回路检查安全回路检查
修
79
控制回路检查 排障
修
80
信号回路检查 排障
修
81
明回路检查 排障
修
82
回路检查 排障
修
83
电脑梯障清增减功
修
84
更换更改指层灯
修
85
更换限速器更换部分调整
修
86
操箱检修 更换零部件
修
87
层指召唤信号检修
修
88
检查门电动机转子 定子轴承
修
89
井道线路检修更换添加
修
90
检修线路绝缘
修
91
更换钢片带
修
92
缓器加油调整
修
93
电梯加层
改造
94
电梯移装
改造
95
拆装电梯
改造
96
更换电梯轿门
改造
97
更换电梯控制屏
改造
98
更换机
改造
Responsibilities of Maintenance and Repair between WalMart
(Party B) and Landlord (Party A)
1 AC system
11 A set of independent AC system is provided for WalMart only WalMart shall be responsible for daily cleaning and operational management with own charges The owner shall be responsible for equipment maintenance and updating with own charges Please refer to the Appendix A for details
12 If the AC system used by WalMart is just part of the owner’s the owner shall be responsible for maintenance of the main equipment of AC system and any other relevant equipment If there is malfunction in the AC system the owner shall come and fix within two hours If the owner refuses to fix or fails to fix in time WalMart will entrust the third party to fix and the caused cost will be charged to the owner by deduction of the current monthly rent There is a clear calculation or measurement method for energy consumption described in the Lease Contract and Property Management Contract The energy consumption of AC system within the Premises shall be measured according to the provisions of this Premises Lease Agreement between WalMart and Landlord
13 The outdoor condenser of AC system provided by the owner produces a big noise which fails to meet the requirement of local environmental protection The owner shall be responsible for the noise protection work if it is caused by the quality of equipment and incorrect installation
2 Heating system (Boiler)
21 A set of independent heating system (Boiler) shall be provided for WalMart only The owner shall be responsible for including but not limited to daily cleaning and operational management with own charges And the owner shall be responsible for equipment maintenance and updating with own charges WalMart shall be responsible for the heating system’s operational fee
22 If the heating system is just part of the owner’s the owner shall be responsible for maintenance of main equipment of heating system and any other relevant equipment WalMart shall be responsible for
cleaning and operational management of the terminal equipment in the Premises at its sole cost The owner shall be responsible for maintenance of terminal equipment of heating system The energy consumption of heating system within the Premises shall be measured according to the provisions of this Premises Lease Agreement between WalMart and Landlord
3 Fire fighting system
31 The owner shall entrust the third independent and qualified Fire Fighting Company to take charge of daily maintenance examination and repairs with own charges if the fire fighting system is provided for WalMart only and the owner shall provide WalMart a monthly examination report issued by the third party to ensure WalMart’s fire fighting system in a normal condition In addition the owner shall also be responsible for equipment overhauling and updating with own charges The overhaul covers
· Maintenance and replacement of main equipment of the fire fighting control center on normal operation and upkeep basis
· Program updating system and product updating as well as technical renovation of equipment
· Maintenance and repair of the motor of smoke exhausting fans fire pump and motor outdoor fire hydrants as well as some outdoor attached fire fighting facilities
32 The owner shall be responsible for maintenance and examination of the main fire fighting system including power supply of the fire pump if the fire fighting system is just part of the owner’s WalMart shall be responsible for daily inspection and protection of the fire fighting facilities in the Premises The owner shall entrust the third independent and qualified Fire Fighting Company to take charge of maintenance of the fire fighting system which also includes the leasing area of WalMart and shall provide WalMart a monthly examination report issued by the third party to ensure WalMart’s fire fighting system in a normal condition
33 If WalMart adds another fire fighting system the owner shall be in charge of maintenance and examination of the main system of the fire fighting monitor center and assign associates to be on duty WalMart shall be responsible for maintenance and examination of the added equipment with own charges and liabilities As for others it shall be fulfilled according to clause two of the contract WalMart’s associates can be allowed to access to the main equipment room for monthly inspection
34 The owner shall assign associates to be on duty in the fire fighting control room for the abovementioned three situations The owner shall pay for it
4 Power supply system
41 Transformer station the owner shall be responsible for maintenance of the relevant equipment in the station including HV switch cabinet transformer LV distribution cabinet feeder and the related facilities The owner shall assign associates to be on duty in the HV switch cabinet transformer and LV distribution cabinet room The owner shall pay for it
42 Diesel generator a) Sharing with the owner The owner shall be responsible for maintenance of the diesel generator and ensure it is always in a safe and normal running condition b) If it is provided for WalMart only there is one year or 1500 hours guarantee period for the diesel generator ie within this period the diesel generator shall be maintained by the owner and WalMart shall only bear the operational fees If the generator is in a good condition beyond the guarantee period WalMart shall be responsible for its daily maintenance with own charges If it breaks down before the service lifetime due to other reasons instead of operation the owner shall take the full responsibility
43 The owner shall ensure that the HV cables are in a safety condition without connecting to other circuits used by other users In addition WalMart will pay the Power Bureau directly according to independent power meter
5 Elevators
51 If the elevator is only for WalMart’s use the owner shall be responsible for its maintenance and annual inspection with own charges within guarantee period And WalMart shall take over daily cleaning work operational protection and annual inspection beyond the guarantee period with own charges The owner shall be responsible for
elevators maintenance and updating under the normal running condition and professional upkeep condition As for definitions of maintenance please refer to appendix two for details
52 If the owner and WalMart share the elevators the owner shall be responsible for maintenance upkeep and annual inspection The owner shall take the maintenance and operational fees
6 Water supply and drainage facilities
If WalMart shares the water facilities with the owner or other users the owner shall be responsible for the following
· Maintenance of water facilities from the general water meter to the city government’s main water pipe
· Maintenance and upkeep of the water supply facilities cleaning work of living water tank and fire water tank
If the city government directly supplies water to WalMart WalMart shall be responsible for the following
· Maintenance of all watersupply facilities between the general water meter and the Premises with own charges
The owner shall be responsible for maintenance and block treatment of outdoor sewage pipes and well chambers The owner shall also be responsible for block treatment of outdoor water piping at least once a year
7 Gas supply facilities
The owner shall be responsible for
· Gas supply facilities between the general gas meter and the city government’s main gas pipe including gas pressure adjustment station and gas meter
WalMart shall be responsible for
· Gas facilities from the general gas meter to the Premises
8 The owner shall be responsible for the maintenance of surrounding facilities and the ones in other public areas and for the water and power supplies And the owner shall provide support when WalMart associate needs to inspect the facilities
Appendix A Requirements for overhaul of AC units
1 Definition of overhaul
Watercooling unit
It must be maintained once a year WalMart shall be responsible for replacement of lubricating oil oil filters and drying filters The owner shall be responsible for inspection of the whole unit to ensure it is under a normal running condition and find out hidden danger and potential risks in order to save energy and prolong service lifetime It is possible to cause potential troubles without appropriate maintenance
Overhaul covers important overhaul and medium overhaul it is also divided into unit overhaul and compressor overhaul Medium overhaul refers to dismantling the compressor to check and clean internal surface without replacing any components And important overhaul refers to replacing the seriously worn internal parts Unit overhaul refers to maintenance can be done only after introducing the coolant out of the unit which is also called important overhaul Other maintenance treatments are called medium overhaul All of these shall be the responsibility of the owner
Pneumatic cooling piston units
Same as the abovementioned maintenance method They are under the owner’s responsibility
Medium overhaul shall be done like this remove the compressor out of the unit open the cover to clean the motor Check the shaft linkage bar and piston to find whether they are over worn and then they can be reinstalled if no need to replace If the parts are found to be over worn and need to be replaced we call it important overhaul for the compressor
2 Definition of upkeep
Watercooling unit
Inspection before cooling supply season
A Preparation and Inspection
Before starting up watercooling unit the following items shall be inspected in order to ensure the unit operates in the safe reliable and high efficiency status
· Coolant level and oil level
· Oil channel oil heater and its temperature
· All operational control and safety control functions
· Further familiar with operational procedures by the operators and reviewing the previous records
· Operation of the starter
· Operation status of water system including frozen water pump water flow switch frozen water pump cooling column valves etc
· Adjustment of the set value in microcomputer control center
· Starting up cooling water unit to check the operational status of the entire system recording operational parameters of the unit
· Analyze and solve problems occurred in the operation of cooling water unit according to the operational records
B Inspection in the operational season
In order to ensure the whole cooling water unit operates under a high efficiency and reliable condition WalMart shall perform regular (monthly) inspections as follows
· Inspection of cooling water unit and adjustment of safety control device
· Operation of control device
· Coolant level and oil level
· Operation of lubrication system
· Oilturning system
· Operation of the motor and the starter
· Record operational parameters analyze and confirm whether the unit is operating under the normal condition And the owner shall be informed of unit overhaul when necessary
· Record and report to the owner of the spare parts needed
C Equipment shutdown inspection and preventive maintenance once a year (The owner’s liability)
The cooling water unit shall be shut down for inspections once a year so as to correctly evaluate the equipment status making good preparation for the operation of the next season
Inspect the following items of the compressor and motor units to complete preventive maintenance
· Record the voltage
· Measure and record winding insulation resistance of the motor with megger
· Lubrication of the opentype motor
· Inspect the positioning status of drive device of the opentype motor
· Inspection of the coupler
· Inspection of the operational organ and coupling organ lubricating the necessary parts
· Inspect lubrication system of the compressor as follows
1) Replacement of the lubricating oil oil filter and drying filter as required
2) Inspection of oil pump oil seal and motor of the oil pump
3) Clean the sewage pipe
4) Inspection of the heater and thermostat
5) Inspection of all other parts of the oil system like oil cooler filter and solenoid valve
· Inspect the starter of motor as follows
1) Carry out inspection procedure
2) Clean contact or suggest replacement if necessary
3) Inspect and tighten all the terminals
4) Operate the starter without loading to check its indicator
· Inspect the control panel as follows
1) Carry out inspection procedure
2) Inspect operational status of safe shutdown of the unit
3) Inspect and tighten all the terminals
4) Inspect indicated data precision and set value
· Inspect the cooler and evaporator as follows
1) Inspect the control of water flow switch
2) Analyze heat exchanging results based on the recorded parameters and give advice on water quality treatment
3) Remove the cover and replace the gasket if necessary
· The following items to be checked
1) Record the status of liquid observation hole
2) Inspect circulation of the coolant to confirm it is in a normal condition
· Others
1) Follow inspection and maintenance procedures Repair damaged thermal insulation layer
2) Communication with the operators
Reciprocating cooling water unit
Inspections in the cooling supply season
A Preparations and Inspections
In order to ensure the whole cooling water unit operates under a high efficiency and reliable condition WalMart shall carry out regular inspections and preparations as follows
· Assisting in carrying out inspection of operational status of the auxiliary equipment
· Replacement of the lubricating oil
· Inspection of the heater oil temperature and lubrication system
· Inspection and test of all operational and safe control devices
· Inspection and confirmation of the correct voltage and operation of the starter
· Start up the units and confirm the control and transformer
· Inspection and confirmation of the correct configuration of supercooler and superheater
· Record operational conditions when the unit is in a stable status
· Further familiar with the operational procedure together with the operators
· For the pneumatic cooler the following inspections and preparations shall be added
1) Remove dirty thing inside or surrounding the unit
2) Check whether or not the coil is blocked suggesting to clean the coil
3) Inspect and tighten the electric connectors
4) Inspection and lubrication of the fans and the bearings
5) Inspect operational status of the fans and its motors after starting up
B Inspections in the operational season
In order to ensure the whole reciprocating cooling water unit operates under a high efficiency and reliable condition WalMart shall carry out regular inspections and preparations as follows
· Inspection and confirmation of the normal operational condition and status
· Record operational status analyze data and find the unreasonable factors
· Adjustment of operational control as required
· Inspection and confirmation of the oil level and proper coolant quantity
· Inspection of the oil temperature and heater
· Inspection of the starter relay and control elements
· Inspection of the operational status of the pneumatic cooler fans and motor
· Further familiar with operational steps together with the operators checking the users’ previous records
C Equipment shutdown inspection and preventive maintenance once a year (The owner’s liability)
The Reciprocating cooling water unit shall be shut down for inspection once a year so as to correctly evaluate the equipment status making a good preparation for the operation in the next season Please refer to the following items to be inspected and prepared for details
· Measure and record the winding resistance of the motor with the megger
· Inspect oil level of the compressor and supplement the lubricating oil as required
· Inspection and confirmation of the heater in its normal operation
· Replacement of the drying filter
· Tighten the contacts and the wires inside the motor terminal box
· Clean all the connectors and replace them as required
· Inspection of all the relays operational control units unloading devices
· Inspect and confirm suction and air exhausting valves of the compressor are in good conditions
AC system (directfired units)
Requirements for overhaul of AC units
1The owner is responsible for the regular maintenance of the directfired units
Maintenance Content (Annual)
Frequency
Service
Time
Once
Inspection of refrigeration poweron
May
Twice
Inspection after refrigeration shutdown
October
3 times
Inspection of heating poweron
November
4 times
Inspection after heating shutdown
March ~ April
5 times
Liquor sample test
During unit operation
2Key inspection items of the directfired units’ regular maintenance are as follow
1）Inspect and test all the devices
2）Analyze and measure the operation
3）Management of absorbent and coolant
4）Management of combustion device and cleaning and dust removing in the combustion room
5）Maintenance of vacuum pump
6）Examination and repair of the pumps
7) Cleaning of thermal transmission pipe inside the absorber and condenser
3Be responsible for timely informing the manufacturer to inspect and solve the problem when there is sudden breakdown during the operation of the directfired units
Description of professional maintenance of refrigeration equipment and the concentration AC main equipment
1 Gradeone maintenance (within 4000 hours of operation) under the responsibility of the owner
11 Remove the rust paint internal and external surfaces of the main equipment Fasten the screws and nuts of the main equipment Repair insulation layer of the main equipment Install antimice network
12 Clean the surface of refrigeration system and internal and external electrical control cabinets as well as electrical control system of the main equipment Test accessories and parts of the electrical control system resistance and insulation values sensitivity and precision of the fans and motors Eliminate abnormal noises peculiar smells and potential risks of the electrical control system and clean its surfaces and then fasten them
13 Test the working conditions of various valves protectors filters and detectors of the refrigeration system to eliminate the potential risks
14 Check whether there is an electricity leak and block in the refrigeration system Test temperature of each part of the refrigeration system including the compressor In order to eliminate the potential risks test condensation pressure evaporation pressure suction pressure air exhausting pressure oil temperature and pressure condensation temperature evaporation temperature frozen water access temperatures and difference in temperature cooling water access temperatures and difference in temperature
15 Test the precision and sensitivity of the instruments and apparatuses and then correct and clean them
16 Carry out a comprehensive adjustment and commissioning for the main equipment on its working conditions add or retrieve the coolant reasonably according to the real situation making the main equipment in a good working condition
17 After gradeone maintenance having been done the equipment has clean appearance and is in a good operational condition
Gradetwo maintenance (more than 4000 hours of operation) (The owner’s liability)
21 Dismantle various valves and filters of the cooling system for test and potential risk elimination Change the filter or the core of the filter Clean the oil tank and oil filter of the compressor and replace the cooler
22 Remove accessories and protectors of the electrical control system for thoroughly clean rustremoval dustremoval and deaxidation treatment in order to eliminate potential risks Dismantle the motor of the fan to clean the shaft and the bearing for test lubricate the bearing to reduce the potential risks Restore in place and test the cables and wires to find problems Test the resistance value insulation status and work current of the motor of the compressor
23 Check whether there is an electricity leak and block in the refrigeration system Test the temperature of each part of the refrigeration system including the compressor Test condensation pressure evaporation pressure suction pressure air exhausting pressure oil temperature and pressure condensation temperature evaporation temperature frozen water access temperatures and difference in temperature cooling water access temperatures and difference in temperature
24 Coolant shall be retrieved prior to performing maintenance then test the pressure check if there is an electricity leak and block in the refrigeration system Test the vacuum after that the coolant shall be conveyed back to the system
25 Test the precision and sensitivity of the instruments and apparatuses and then correct and clean them
26 Carry out a comprehensive adjustment and commissioning for the main equipment on its working conditions add or retrieve the coolant reasonably according to the real situation making the main equipment in a good working condition
27 After gradetwo maintenance having been performed the potential risks shall be removed and the equipment shall be in a good operational condition
Gradethree maintenance (more than 5000 hours of operation) (The owner’s liability)
31 Clean internal cooler and evaporator by using chemical method or manually to remove all the stains oil deposits bacteria and algae Only the Gerui brand detergents made by Nanzhou Corrosion Relieve Technology & Research Institute can be used This kind of detergent is the unique green environmental protection
type in the world applicable for heat exchangers like refrigeration equipment concentration air conditioning system and boilers It has many characteristics such as safety free of corrosion and pollution and free of poison
32 Pressure test electricity leak test block treatment and vacuum examination shall be done for the cooler and evaporator The coolant shall be retrieved prior to cleaning and be conveyed back after cleaning
Special –grade maintenance (more than 6000 hours operation) (The owner’s liability)
41 Dismantle all accessories and parts of the compressor Thoroughly examine its surface cleanliness and clearance precision Clean and grind properly the internal and external oil route system of the compressor making oil running smoothly Clean internal wall of the compressor housing to eliminate various potential risks Fabricate asbestos rubber gaskets for restoring in place
42 Test the operational pressure of the compressor check the electricity leak and test its vacuum
43 Carry out internal cleaning and oil change of the compressor without dismantling It is proved that 80 cleanliness can be achieved after cleaning The trouble occurrence ratio of the compressor can be greatly reduced Furthermore its service lifetime can be prolonged for another 35 years The coolant shall be retrieved prior to cleaning and the compressor shall also be moved to the job spot
44 Check whether there is an electricity leak and block in the refrigeration system Test the temperature of each part of the refrigeration system including the compressor Test condensation pressure evaporation pressure suction pressure air exhausting pressure oil temperature and pressure condensation temperature evaporation temperature frozen water access temperatures and difference in temperature cooling water access temperatures and difference in temperature
45 Carry out a complete adjustment and commissioning on the working conditions for the main equipment add or retrieve the coolant reasonably according to the real situation making the main equipment in a good working condition
46 After specialgrade maintenance having been done the potential risks can be eliminated for the compressor and refrigeration system which ensures the equipment to be in a safe operational condition greatly decreasing the trouble occurrence ratio of the equipment and prolonging the equipment’s service lifetime Certainly a utilization rate of equipment will be improved accordingly
Appendix B Definitions of maintenance of elevators
Upkeep It refers to all necessary and regular works as schedule such as inspection of lubrication condition cleaning adjustment and replacement of damaged parts in order to ensure normal and safe operation of the elevators after it is handed over for use
Maintenance It refers to maintenance services that the supplier provides for the products relating to elevators based on the signed contract or agreement by both parties according to the requirement of the user For instant alternation of rated speed and load modification of quality of the elevator cars replacement of parts like drive units control system of the elevator cars and guide rail etc
Modification It refers to complete or partial modification and improvement of the elevators’ function performance reliability and safety
Breakdown of items to be maintained and modified
No
Description
Category
1
Add poweroff cabinet YPVF and VFMG
Important Overhaul
2
Add poweroff cabinet GVFFX and GH98
Important Overhaul
3
Add poweroff cabinet YP
Important Overhaul
4
Parallel circuit instead of single control YP
Important Overhaul
5
Parallel circuit instead of single control YPVF and FVF
Important Overhaul
6
Add group control system GMS
Important Overhaul
7
Add group control system CIP
Important Overhaul
8
Replace the drive wire rope (11)
Important Overhaul
9
Replace the drive wire rope (21)
Important Overhaul
10
Replace the rope wheel bearing
Important Overhaul
11
Replace the rope wheel bearing
Important Overhaul
12
Resolve oil leaks problem at the side cover of the TYS main equipment
Important Overhaul
13
Replace the drive unit
Important Overhaul
14
Replace the worn shaft (Passenger lift) F10 B10
Important Overhaul
15
Replace the worn shaft (Passenger lift) F20 F30
Important Overhaul
16
Replace the bearing (TYS main machine)
Important Overhaul
17
Adjust the clearance of the dragging machine
Important Overhaul
18
Correct the top elevator cars and the car frame
Important Overhaul
19
Add remote control monitor
Important Overhaul
20
Adjust and fasten each part of the elevator cars
Important Overhaul
21
Inspect and adjust the landing status at each level
Medium Overhaul
22
Modify the top elevator cars and its decorations
Medium Overhaul
23
Add fire forced landing and feedback signals for YPVF and VFMG
Medium Overhaul
24
Add fire forced landing and feedback signals for GVFYPF and B
Medium Overhaul
25
Add fire fighting function for YPF and B
Medium Overhaul
27
Add landing reminders in the elevator cars
Medium Overhaul
28
Replace the fake ceiling in the elevator cars
Medium Overhaul
29
Replace the wall and the top ceiling
Medium Overhaul
30
Replace the push bearing of the main unit
Medium Overhaul
31
Replace the oil seal of the main worn shaft
Medium Overhaul
32
Replace the oil seal of the main rack of the drive wheel
Medium Overhaul
33
Inspect clean and adjust the brake after being dismantled
Medium Overhaul
34
Replace the motor
Medium Overhaul
35
Replace the bearing of motor (Front)
Medium Overhaul
36
Replace the dragging wheel
Medium Overhaul
37
Replace the bearing of motor (Rear)
Medium Overhaul
38
Modify and replace of the elevator cars
Medium Overhaul
39
Dimension inspection and modification of the elevator cars frame and bottom
Medium Overhaul
40
Adjust the dimensions of the door door plank and frame doorpost etc
Medium Overhaul
41
Replace the footboard for F
Medium Overhaul
42
Replace the footboard (Iron bracket of the passenger lift)
Medium Overhaul
43
Replace the footboard (Concrete bracket of the passenger lift)
Medium Overhaul
44
Add the stairs in the bottom of the shaft
Medium Overhaul
45
Add tension wheel switch
Slight Overhaul
46
Add damper switch
Slight Overhaul
47
Loading test
Slight Overhaul
48
Main equipment
Slight Overhaul
49
Replace the elevator car door
Slight Overhaul
50
Replace electronic plate and model check the circuit
Slight Overhaul
51
Add walkietalkie in the guard room
Slight Overhaul
52
Replace verticaltype tension wheel
Slight Overhaul
53
Add the lights of the shaft
Slight Overhaul
54
Replace the liner of the main guide rail
Slight Overhaul
55
Replace the liner of the secondary guide rail
Slight Overhaul
56
Shorten the wire rope (12)
Slight Overhaul
57
Shorten the wire rope (10)
Slight Overhaul
58
Replace and adjust the brake block
Slight Overhaul
59
Readjust parameters of each part of the drive unit
Slight Overhaul
60
Inspect and correct standard system (Full loading)
Slight Overhaul
61
Overhaul the drive system of the elevator car door
Slight Overhaul
62
Clean and adjust the safe scissors
Slight Overhaul
63
Adjust dimension of the footboard on each floor
Slight Overhaul
64
Adjust the door wheel rotating organ and blocks
Slight Overhaul
65
Replace the front door
Slight Overhaul
66
Replace the door blocks
Slight Overhaul
67
Replace the door drive unit
Slight Overhaul
68
Replace various elements of the control screen
Slight Overhaul
69
Check the control circuits and operational programs
Slight Overhaul
70
Replace the front doors
Slight Overhaul
71
Replace the footboards
Slight Overhaul
72
Replace the door blocks
Slight Overhaul
73
Replace the door drive units
Slight Overhaul
74
Replace various elements of the control screen
Slight Overhaul
75
Check the control circuits and operational programs
Slight Overhaul
76
Repair and replace the contacts
Slight Overhaul
77
Fasten and check the terminals
Slight Overhaul
78
Inspect the main circuits and safety circuits
Slight Overhaul
79
Inspect the control circuits and troubleshooting
Slight Overhaul
80
Inspect the signal circuits and troubleshooting
Slight Overhaul
81
Inspect the lighting circuits and troubleshooting
Slight Overhaul
82
Inspect other circuits and troubleshooting
Slight Overhaul
83
Add troubleshooting function of the escalator control computer
Slight Overhaul
84
Replace and modify the floor indicators
Slight Overhaul
85
Replace or adjust the speed limiter
Slight Overhaul
86
Repair the operational box and change the accessories
Slight Overhaul
87
Overhaul the floor signals calling signal and floor indication signal
Slight Overhaul
88
Inspect the door rotators stators and bearings
Slight Overhaul
89
Inspect replace and add the cables in the shaft
Slight Overhaul
90
Inspect insulation of the wires
Slight Overhaul
91
Replace the steel sheet stripe
Slight Overhaul
92
Have the damper oiled or adjust it
Slight Overhaul
93
Add the function of the elevators lifting more higher floors
Modification
94
Remove and install elevators in another place
Modification
95
Dismantle and install the elevators
Modification
96
Replace the elevator car doors
Modification
97
Replace the control screen of the elevators
Modification
98
Replace the main equipment
Modification
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空调系统
1果套独立空调系统专沃尔玛行沃尔玛负责设备日常保养运行理承担费设备维修保养设备更新业负责承担费中维修保养容详见附件A
2果沃尔玛空调系统业空调系统部分整空调系统业负责维修保养沃尔玛发现空调系统设备障业应两时现场进行维修直设备恢复正常业时维修拒绝维修沃尔玛委托第三方进行维续产生维修费单月租金中扣沃尔玛租赁区空调耗根沃尔玛业签署房屋租赁协议约定进行计算计量
3业提供空调系统室外冷凝设备噪音达环保求
设备质量安装原 业负责做环保工程便达环保求
二 供暖(锅炉)系统
1 果套独立供暖(锅炉系统)系统专沃尔玛行业负责(包括 限)设备日常维修保养运行理承担费设备维修设备更新业负责承担费沃尔玛负责设备系统运行费
2果沃尔玛供暖(锅炉)系统业供暖(锅炉)系统部分供暖
(锅炉)系统机外围设备业负责运行维修保养房屋沃尔玛末端设备业进行保养承担费房屋沃尔玛供暖(锅炉)系统耗根沃尔玛业签署房屋租赁协议约定进行计算计量
三 消防系统
1果业提供消防系统专沃尔玛应业委托第三方资质消
防公司负责消防系统日常维护保养检测维修工作承担相关费月沃尔玛提供第三方资质消防保养公司出具月检测报告确保沃尔玛消防系统正常运作系统设备维修设备更新工作业负责承担费中设备修包括：1) 消防控制中心机正常保养情况需维修更换程序更新直系统恢复正常工作系统产品更新技术改造2)排烟风机电机消防水泵消防电机室外消火栓室外相关配套消防设备
2沃尔玛消防系统业消防系统部分业负责消防系统维修保养检测工作(包括消防水泵电)沃尔玛负责房屋消防设备日常检查保工作业负责包括沃尔玛租赁区消防系统应业委托第三方资质消防公司负责消防系统维修保养月沃尔玛提供第三方消防保养公司出具月检测报告确保沃尔玛消防系统正常运作
3果沃尔玛新增部分消防系统业负责消防监控中心系统维保
检测 值班工作沃尔玛负责新增部分维修保养检测工作承担相关责
费部分第2条履行业允许沃尔玛工作员机房做月
检
4述三种情况消防控制室均应业安排员值班承担费
四 供电系统
1变电(含高压开关柜变压器低压配电柜馈出电缆相关变电设备)均业负责维修保养工作业安排员值班承担费
2柴油发电机：1)业业负责维修保养保障安全正常运行
2)沃尔玛专维保期通常1年1500时
业负责维修保养沃尔玛出运行费1年1500
时柴油发电机处良正常状态沃尔玛负责日常维修
承担运行费未达寿命前出现非运行障
业负责
3业必须确保沃尔玛高压线路安全搭载户确保沃尔玛
直接供电部门缴费直接抄表户
五 电梯
1 果业提供电梯专供沃尔玛保修期业负责维修保养承
担维修年检费保修期沃尔玛负责日常清洁日常保养工作负责设备年检工作承担费设备正常专业保养情况维修设备更新业负责中设备维修界定详见附件B
2 果电梯业业负责维修保养年检工作承担维保运行费
六 供排水设施
1果沃尔玛业(户)供水设施：
1 业负责维护沃尔玛水总表(包括水总表)市政道部分
2 供水设施维护保养生活消防水池清洗工作
2果沃尔玛属市政直接供水：
1 沃尔玛负责市政水总表房屋部分切供水设施设备维护保养运行费
2 室外部分污水道检查井污水处理设施生活水池清洗清通维护业负责年室外道业少清通次
七 供气设施：
业负责：
1 燃气总表（包括总表）市政道部分包括燃气调压站燃气计量表
沃尔玛负责：
1 燃气总表房屋部分
八公区域外围设备设施维修保养水电业负责沃尔玛工作员需巡检设备等业需提供方便配合
附件A
空调机组检修求
检修定义：
水冷机组：
年保养次沃尔玛负责更换润滑油油滤器干燥滤器等易耗件业负责整机进行检查保证机组正常运行发现潜隐患达节约源延长机组寿命机组进行保养造成障隐患
检修分修中修分机组检修压缩机检修压缩机解体检查清洗部更换零件种情况般称压缩机中修检查部运动部件磨损程度严重需更换种情况般称压缩机修整机言维修时需制冷剂导出机外进行维修处理般称机组修外维修处理般称中修维修（业负责）
风冷活塞机组：
保养情况：（业负责）
中修情况般样：压缩机机组移出开缸盖电机进行清洗检查曲轴连杆活塞等磨损情况需更换重新进行装配恢复运行种情况般称压缩机检查中修零件磨损严重需更换种情况般称压缩机修
二保养定义
（水冷机组）
供冷季节检查
A 供冷季节启动前准备检查
供冷季节运行前须进行列项检查准备确保机组安全高效运行：
检查制冷剂液位油面
检查油槽油加热器温度
检查测试运行控制安全控制功
操作员起温操步骤查机组历史记录
检查启动器运行
配合检查水系统运行情况(包括冷冻水泵水流开关冷冻水泵冷塔阀门等)检查调整微电脑控制中心设定值
启动冷水机组检查整系统运行状况记录机组运行参数
根运行记录分析处理机组问题
B 运行季节检查
机组运行期间沃尔玛定期(月)进行列项检查确保机组整供冷季节运行高效
检查冷水机组调整安全控制装置
检查控制装置运行
检查制冷剂液位油位
检查润滑系统运行
检查回油系统
检查电机启动器运行
记录运行状态参数分析确认机组运行正常必时通知业进行机组检修
记录报告求备件
C 年次设备停机检查预防性保养(业负责)
停机期间年次进行列项检查便正确评价设备状态供冷季节运行作准备
检查压缩机电机组件列项完成预防性保养项务
记录电压
兆欧表测量记录电机绕阻绝缘电阻
润滑开式电机
检查开式电机驱动装置定位状态
检查联轴器
检查入口导叶操作机构联接机构润滑需润滑部位
检查压缩机润滑油系统列项
根需更换润滑油油滤器干燥滤器
检查油泵密封油泵电机
清洁排污
检查加热器恒温器
检查油系统部件油冷器滤器电磁阀等
执行列项操作检查电机启动器
执行诊断检查程序
清洁接触器必时建议更换
检查接线端拧紧
空载运行启动器(启动前)检查状态指示灯
检查控制面板确定列项
执行诊断检查程序
检查安全停机运行状态
检查接线端 拧紧
检查显示数精度设定值
检查冷凝器蒸发器列项
检查水流开关控制情况
根运行记录参数分析热交换效果建议水质处理
必时拆卸端盖更换密封垫
检查系统列项
记录视液镜状态
检查制冷剂循环确认处正常衡状态
遵循检查维护步骤修理脱落保温层
操作员沟通
(复式冷水机组)
供冷季节检查
A 供冷季节启动前准备检查
供冷季节运行前须进行列项检查准备确保机组安全高效运行
配合检查辅助设备运行状况
更换润滑油
检查曲轴箱加热器油温润滑系统
检查测试运行安全控制
检查确认电压启动器运行正确
启动机组标定控制变送器
检查确认冷器热器配置正确
机组稳定记录运行条件
操作员起温操作步骤
风冷冷凝器须增加列项检查
机组周围部脏物
检查冷凝器盘否堵塞建议清洁盘
检查拧紧电气接头
检查润滑风机电机轴承
启动检查风机风机电机运行状态
B 运行季节检查
进行列项检查确保机组整供冷季节运行高效
检查确认通常运行条件运行状态
记录运行状态进行数分析找出合理方
求调节运行控制
检查确认油位制冷剂量充注正确
检查油温曲轴箱加热器
检查启动器继电器控制元件
检查风冷冷凝器风机电机运行状态
操作员起温操作步骤查户记录
C 年次设备停机检查预防性保养(业负责)
停机期间年次进行列项检查便正确评价设备状态供冷季节运行作准备
兆欧测量电机绕阻电阻记录
检查压缩机油位求补充润滑油
检查曲轴箱加热器确认运行正常
更换干燥滤器
拧紧接触器电机端子箱电源线
清洁连接接头必求更换
检查继电器运行控制装置安全保护装置
检查确认控制装置安全保护装置卸载装置外部联锁跨接装置
检查确认压缩机吸气排气阀完
空调系统(直燃机)
空调机组检修求
1业负责直燃机定期维护保养容
直燃机维护保养容（年）
次数
服务容
服务时期
1次
制冷开机检查
5月份
2次
制冷停机检查保养
10月份
3次
采暖开机检查
11月份
4次
采暖停机检查保养
34月份
5次
溶液取样检验
机组运行期间
2直燃机定期保养检查项目：
1）全装置检查测试
2）运行分析测量
3）吸收剂制冷剂理
4）燃烧器理燃燒室內煙塵清潔
5）真空泵维护
6）泵诊断修理
7) 吸收器冷凝器內部傳熱清洗
3负责时联系设备厂家直燃机运行期间出现突发性障进行检测解决
制冷设备中央空调机(机组)专业等级保养项目览表
级保养(运行时间4000时)(业负责)
1机外表面锈清洁漆紧固机表面外螺丝螺帽修补机保温
层安装防鼠网
2清洁制冷系统表面清洁机电控柜(箱)外电控系统检测电控系统零配
件风机马达压缩机马达阻值绝缘值灵敏度精确度消电控系统零配
件异声异味隐患清洁表面紧固
3检测制冷系统阀件保护器滤器探头工作状况消隐患
4制冷系统全面检漏检堵全面检测制冷系统部位温度(包括压缩机)检测冷凝
压力蒸发压力吸气压力排气压力油温油压冷凝温度蒸发温度冷冻水进
出温度温差冷水进出温度温差消隐患
5检测仪器仪表精确度灵敏度校正清洁
6机进行全面工况调节调试适加补制冷剂适回收制冷剂机处
佳工作状态
7进行级保养设备外观洁净感受良设备运行状况佳顾忧
二二级保养(运行时间超4000时) (业负责)
1拆卸制冷系统阀件滤器进行检测清洗排隐患更新滤器滤芯
清洗压缩机油箱油滤器更换冷冻机
2拆卸电控系统零配件保护器进行外清洗锈尘消氧气层
消种隐患拆卸风机马达外清洗干淨(含轴轴承)进行检测轴承油
消种隐患装配复原检测电线消隐患检测压缩机马达阻值绝缘状
况运行电流
3全制冷系统检漏检堵全面检测制冷系统部分温度(包括压缩机)检测冷凝
压力蒸发压力吸气压力排气压力油温油压冷凝温度蒸发温度
冷冻水进出温度温差冷水进出温度温差消隐患
4保养前须转移(回收)制冷剂完畢进行压力测试检漏检堵真空度测试
冷凝剂输回系统
5检测仪器仪表精确度灵敏度校正清洁
6机进行全面工况调节调试适加补制冷剂适回收制冷剂机
处良工作状态
7进行二级保养消种隐患设备运行工况良
三三级保养(运行超5000时) (业负责)
1冷凝器蒸发器部进行化学(工)垢菌藻清种污垢清
洗干淨清洁剂保养剂采兰州缓蚀技术研究生产格瑞牌清洗剂
保养剂时目前世界制冷設備中央空調锅炉等热交换設備唯绿色环保
型清洗剂保养剂安全彻底腐蚀污染毒
2冷凝器蒸发器进行压力测试检漏检堵真空度测试
清洗前须转移(回收)制冷剂完畢输回系统
四特级保养(累计运行时间超6000时) (业负责)
1拆卸压缩机全部零配件全面检测光洁度精度配合间隙精度清洗适
研磨疏通压缩机油路系统外油路系统清洗压缩机壳壁消种隐患製作石棉橡胶密封垫装配复原安裝位
2压缩机运行压力检测检漏真空度测试
3全密压缩机进行部清洗换油需解体实践证明清洗洁净度达80左右
减低累压缩机障率延长压缩机寿命35年清洗前须回收制冷
剂压缩机取出工作场
4全面检测制冷系统部位温度(包括压缩机)检测冷凝压力蒸发压力吸气压
力排气压力油温油压冷凝温度蒸发温度运行电流冷凍水进出温
度温差冷水进出温度温差消隐患
5机进行全面工况调节调试适加补冷剂回收冷剂机处
良工作状态
6进行特级保养消压缩机制冷系统种隐患確保良安全运行
降低設備障率延长障率周期延长設備寿命提高設備功
效
附件B
电梯設備维修保养界定
保养指电梯交付保证电梯正常安全运行计划进行必操作润滑检查清洁调整更换易损件
维修指根客户求双方签定合约定供方提供电梯产品维修服务改变额定速度额定载重量轿箱質量更换曳引机轿箱控制柜系统导轨等部件（业负责）
改造指全面部分改进电梯功性性安全性
维修改造項目分类表
NO
項目
类
1
YPVFVFMG加装停电柜
修
2
GVFFXGH98加装停电柜
修
3
YP加装停电柜
修
4
YP梯单控改联
修
5
YPAFFVF单控改联
修
6
加装GMS电梯群控系统
修
7
加装CIP电梯群控系统
修
8
更换曳引钢丝绳(1 1)
修
9
更换曳引钢丝绳(2 1)
修
10
更换重架绳轮轴承
修
11
更换轿顶反绳轮轴承
修
12
處理TYS机侧盖漏油
修
13
更换曳引机(减速箱)
修
14
更换蜗杆轴承(客梯) F10 B10
修
15
更换蜗杆轴承(客梯) F20 F30
修
16
更换轴架体轴承(TYS 机)
修
17
曳引机间隙尺寸调整
修
18
修正轿架轿顶
修
19
加装远距离遥监
修
20
轿箱部调整 紧固(水卡胶)
修
21
检查调整层调整
中修
22
改造轿顶轿顶裝飾
中修
23
YPVFVFMG加装消防迫降反馈信号
中修
24
GVFYPFB梯加装消防迫降反馈信号
中修
25
YPFB梯加装消防功
中修
26
YPVFVFMGGVF加装消防功
中修
27
加装轿报站钟
中修
28
更换轿裝飾吊顶
中修
29
更换轿箱壁板顶板
中修
30
更换机推力轴承
中修
31
更换蜗杆轴油封
中修
32
更换曳引轮轴骨架油封
中修
33
更换曳引轮
中修
34
制动器解体检查 清理 调整
中修
35
更换电动机
中修
36
更换电动机轴承(前)
中修
37
更换电动机轴承()
中修
38
轿箱重导靴修正更换
中修
39
轿架轿底尺寸检查修正
中修
40
调校门头 门扇 门锁立柱尺寸
中修
41
更换厅门踏板(F梯)
中修
42
更换厅门踏板(客梯铁牛腿)
中修
43
更换厅门踏板(客梯水泥牛腿)
中修
44
加装底坑梯
修
45
加装涨紧轮开关
修
46
加装缓器开关
修
47
负载试验
修
48
磅机
修
49
更换轿门
修
NO
項目
类
50
更换电子板 模块检查线路
修
51
加装值班室讲机
修
52
更换垂直式涨紧轮
修
53
加装井道灯
修
54
更换导轨靴靴衬
修
55
更换附导轨靴靴衬
修
56
截短曳引钢丝绳(12)
修
57
截短曳引钢丝绳(10)
修
58
更换刹车皮调整
修
59
重新调整曳引机部分参数
修
60
标准系统检查修正(满载)
修
61
轿门机动系统检修
修
62
清洁调整轿箱安全钳钳嘴
修
63
层门轮门门刀厅踏板轿门踏板尺寸
修
64
层门轮 转动机构 付锁调整
修
65
更换厅门(门锁门扇传动机构)
修
66
更换门锁付门锁
修
67
更换门传动机构
修
68
更换控制屏电器机件
修
69
检查控制线路动作程序
修
70
更换厅门(门锁门扇传动机构)
修
71
更换厅门踏板
修
72
更换门锁付门锁
修
73
更换门传动机构
修
74
更换控制屏电器机件
修
75
检查控制线路动作程序
修
76
接触器检修更换
修
77
接线端子紧固检查(整机)
修
78
回路检查安全回路检查
修
79
控制回路检查 排障
修
80
信号回路检查 排障
修
81
明回路检查 排障
修
82
回路检查 排障
修
83
电脑梯障清增减功
修
84
更换更改指层灯
修
85
更换限速器更换部分调整
修
86
操箱检修 更换零部件
修
87
层指召唤信号检修
修
88
检查门电动机转子 定子轴承
修
89
井道线路检修更换添加
修
90
检修线路绝缘
修
91
更换钢片带
修
92
缓器加油调整
修
93
电梯加层
改造
94
电梯移装
改造
95
拆装电梯
改造
96
更换电梯轿门
改造
97
更换电梯控制屏
改造
98
更换机
改造
Responsibilities of Maintenance and Repair between WalMart
(Party B) and Landlord (Party A)
1 AC system
11 A set of independent AC system is provided for WalMart only WalMart shall be responsible for daily cleaning and operational management with own charges The owner shall be responsible for equipment maintenance and updating with own charges Please refer to the Appendix A for details
12 If the AC system used by WalMart is just part of the owner’s the owner shall be responsible for maintenance of the main equipment of AC system and any other relevant equipment If there is malfunction in the AC system the owner shall come and fix within two hours If the owner refuses to fix or fails to fix in time WalMart will entrust the third party to fix and the caused cost will be charged to the owner by deduction of the current monthly rent There is a clear calculation or measurement method for energy consumption described in the Lease Contract and Property Management Contract The energy consumption of AC system within the Premises shall be measured according to the provisions of this Premises Lease Agreement between WalMart and Landlord
13 The outdoor condenser of AC system provided by the owner produces a big noise which fails to meet the requirement of local environmental protection The owner shall be responsible for the noise protection work if it is caused by the quality of equipment and incorrect installation
2 Heating system (Boiler)
21 A set of independent heating system (Boiler) shall be provided for WalMart only The owner shall be responsible for including but not limited to daily cleaning and operational management with own charges And the owner shall be responsible for equipment maintenance and updating with own charges WalMart shall be responsible for the heating system’s operational fee
22 If the heating system is just part of the owner’s the owner shall be responsible for maintenance of main equipment of heating system and any other relevant equipment WalMart shall be responsible for
cleaning and operational management of the terminal equipment in the Premises at its sole cost The owner shall be responsible for maintenance of terminal equipment of heating system The energy consumption of heating system within the Premises shall be measured according to the provisions of this Premises Lease Agreement between WalMart and Landlord
3 Fire fighting system
31 The owner shall entrust the third independent and qualified Fire Fighting Company to take charge of daily maintenance examination and repairs with own charges if the fire fighting system is provided for WalMart only and the owner shall provide WalMart a monthly examination report issued by the third party to ensure WalMart’s fire fighting system in a normal condition In addition the owner shall also be responsible for equipment overhauling and updating with own charges The overhaul covers
· Maintenance and replacement of main equipment of the fire fighting control center on normal operation and upkeep basis
· Program updating system and product updating as well as technical renovation of equipment
· Maintenance and repair of the motor of smoke exhausting fans fire pump and motor outdoor fire hydrants as well as some outdoor attached fire fighting facilities
32 The owner shall be responsible for maintenance and examination of the main fire fighting system including power supply of the fire pump if the fire fighting system is just part of the owner’s WalMart shall be responsible for daily inspection and protection of the fire fighting facilities in the Premises The owner shall entrust the third independent and qualified Fire Fighting Company to take charge of maintenance of the fire fighting system which also includes the leasing area of WalMart and shall provide WalMart a monthly examination report issued by the third party to ensure WalMart’s fire fighting system in a normal condition
33 If WalMart adds another fire fighting system the owner shall be in charge of maintenance and examination of the main system of the fire fighting monitor center and assign associates to be on duty WalMart shall be responsible for maintenance and examination of the added equipment with own charges and liabilities As for others it shall be fulfilled according to clause two of the contract WalMart’s associates can be allowed to access to the main equipment room for monthly inspection
34 The owner shall assign associates to be on duty in the fire fighting control room for the abovementioned three situations The owner shall pay for it
4 Power supply system
41 Transformer station the owner shall be responsible for maintenance of the relevant equipment in the station including HV switch cabinet transformer LV distribution cabinet feeder and the related facilities The owner shall assign associates to be on duty in the HV switch cabinet transformer and LV distribution cabinet room The owner shall pay for it
42 Diesel generator a) Sharing with the owner The owner shall be responsible for maintenance of the diesel generator and ensure it is always in a safe and normal running condition b) If it is provided for WalMart only there is one year or 1500 hours guarantee period for the diesel generator ie within this period the diesel generator shall be maintained by the owner and WalMart shall only bear the operational fees If the generator is in a good condition beyond the guarantee period WalMart shall be responsible for its daily maintenance with own charges If it breaks down before the service lifetime due to other reasons instead of operation the owner shall take the full responsibility
43 The owner shall ensure that the HV cables are in a safety condition without connecting to other circuits used by other users In addition WalMart will pay the Power Bureau directly according to independent power meter
5 Elevators
51 If the elevator is only for WalMart’s use the owner shall be responsible for its maintenance and annual inspection with own charges within guarantee period And WalMart shall take over daily cleaning work operational protection and annual inspection beyond the guarantee period with own charges The owner shall be responsible for
elevators maintenance and updating under the normal running condition and professional upkeep condition As for definitions of maintenance please refer to appendix two for details
52 If the owner and WalMart share the elevators the owner shall be responsible for maintenance upkeep and annual inspection The owner shall take the maintenance and operational fees
6 Water supply and drainage facilities
If WalMart shares the water facilities with the owner or other users the owner shall be responsible for the following
· Maintenance of water facilities from the general water meter to the city government’s main water pipe
· Maintenance and upkeep of the water supply facilities cleaning work of living water tank and fire water tank
If the city government directly supplies water to WalMart WalMart shall be responsible for the following
· Maintenance of all watersupply facilities between the general water meter and the Premises with own charges
The owner shall be responsible for maintenance and block treatment of outdoor sewage pipes and well chambers The owner shall also be responsible for block treatment of outdoor water piping at least once a year
7 Gas supply facilities
The owner shall be responsible for
· Gas supply facilities between the general gas meter and the city government’s main gas pipe including gas pressure adjustment station and gas meter
WalMart shall be responsible for
· Gas facilities from the general gas meter to the Premises
8 The owner shall be responsible for the maintenance of surrounding facilities and the ones in other public areas and for the water and power supplies And the owner shall provide support when WalMart associate needs to inspect the facilities
Appendix A Requirements for overhaul of AC units
1 Definition of overhaul
Watercooling unit
It must be maintained once a year WalMart shall be responsible for replacement of lubricating oil oil filters and drying filters The owner shall be responsible for inspection of the whole unit to ensure it is under a normal running condition and find out hidden danger and potential risks in order to save energy and prolong service lifetime It is possible to cause potential troubles without appropriate maintenance
Overhaul covers important overhaul and medium overhaul it is also divided into unit overhaul and compressor overhaul Medium overhaul refers to dismantling the compressor to check and clean internal surface without replacing any components And important overhaul refers to replacing the seriously worn internal parts Unit overhaul refers to maintenance can be done only after introducing the coolant out of the unit which is also called important overhaul Other maintenance treatments are called medium overhaul All of these shall be the responsibility of the owner
Pneumatic cooling piston units
Same as the abovementioned maintenance method They are under the owner’s responsibility
Medium overhaul shall be done like this remove the compressor out of the unit open the cover to clean the motor Check the shaft linkage bar and piston to find whether they are over worn and then they can be reinstalled if no need to replace If the parts are found to be over worn and need to be replaced we call it important overhaul for the compressor
2 Definition of upkeep
Watercooling unit
Inspection before cooling supply season
A Preparation and Inspection
Before starting up watercooling unit the following items shall be inspected in order to ensure the unit operates in the safe reliable and high efficiency status
· Coolant level and oil level
· Oil channel oil heater and its temperature
· All operational control and safety control functions
· Further familiar with operational procedures by the operators and reviewing the previous records
· Operation of the starter
· Operation status of water system including frozen water pump water flow switch frozen water pump cooling column valves etc
· Adjustment of the set value in microcomputer control center
· Starting up cooling water unit to check the operational status of the entire system recording operational parameters of the unit
· Analyze and solve problems occurred in the operation of cooling water unit according to the operational records
B Inspection in the operational season
In order to ensure the whole cooling water unit operates under a high efficiency and reliable condition WalMart shall perform regular (monthly) inspections as follows
· Inspection of cooling water unit and adjustment of safety control device
· Operation of control device
· Coolant level and oil level
· Operation of lubrication system
· Oilturning system
· Operation of the motor and the starter
· Record operational parameters analyze and confirm whether the unit is operating under the normal condition And the owner shall be informed of unit overhaul when necessary
· Record and report to the owner of the spare parts needed
C Equipment shutdown inspection and preventive maintenance once a year (The owner’s liability)
The cooling water unit shall be shut down for inspections once a year so as to correctly evaluate the equipment status making good preparation for the operation of the next season
Inspect the following items of the compressor and motor units to complete preventive maintenance
· Record the voltage
· Measure and record winding insulation resistance of the motor with megger
· Lubrication of the opentype motor
· Inspect the positioning status of drive device of the opentype motor
· Inspection of the coupler
· Inspection of the operational organ and coupling organ lubricating the necessary parts
· Inspect lubrication system of the compressor as follows
1) Replacement of the lubricating oil oil filter and drying filter as required
2) Inspection of oil pump oil seal and motor of the oil pump
3) Clean the sewage pipe
4) Inspection of the heater and thermostat
5) Inspection of all other parts of the oil system like oil cooler filter and solenoid valve
· Inspect the starter of motor as follows
1) Carry out inspection procedure
2) Clean contact or suggest replacement if necessary
3) Inspect and tighten all the terminals
4) Operate the starter without loading to check its indicator
· Inspect the control panel as follows
1) Carry out inspection procedure
2) Inspect operational status of safe shutdown of the unit
3) Inspect and tighten all the terminals
4) Inspect indicated data precision and set value
· Inspect the cooler and evaporator as follows
1) Inspect the control of water flow switch
2) Analyze heat exchanging results based on the recorded parameters and give advice on water quality treatment
3) Remove the cover and replace the gasket if necessary
· The following items to be checked
1) Record the status of liquid observation hole
2) Inspect circulation of the coolant to confirm it is in a normal condition
· Others
1) Follow inspection and maintenance procedures Repair damaged thermal insulation layer
2) Communication with the operators
Reciprocating cooling water unit
Inspections in the cooling supply season
A Preparations and Inspections
In order to ensure the whole cooling water unit operates under a high efficiency and reliable condition WalMart shall carry out regular inspections and preparations as follows
· Assisting in carrying out inspection of operational status of the auxiliary equipment
· Replacement of the lubricating oil
· Inspection of the heater oil temperature and lubrication system
· Inspection and test of all operational and safe control devices
· Inspection and confirmation of the correct voltage and operation of the starter
· Start up the units and confirm the control and transformer
· Inspection and confirmation of the correct configuration of supercooler and superheater
· Record operational conditions when the unit is in a stable status
· Further familiar with the operational procedure together with the operators
· For the pneumatic cooler the following inspections and preparations shall be added
1) Remove dirty thing inside or surrounding the unit
2) Check whether or not the coil is blocked suggesting to clean the coil
3) Inspect and tighten the electric connectors
4) Inspection and lubrication of the fans and the bearings
5) Inspect operational status of the fans and its motors after starting up
B Inspections in the operational season
In order to ensure the whole reciprocating cooling water unit operates under a high efficiency and reliable condition WalMart shall carry out regular inspections and preparations as follows
· Inspection and confirmation of the normal operational condition and status
· Record operational status analyze data and find the unreasonable factors
· Adjustment of operational control as required
· Inspection and confirmation of the oil level and proper coolant quantity
· Inspection of the oil temperature and heater
· Inspection of the starter relay and control elements
· Inspection of the operational status of the pneumatic cooler fans and motor
· Further familiar with operational steps together with the operators checking the users’ previous records
C Equipment shutdown inspection and preventive maintenance once a year (The owner’s liability)
The Reciprocating cooling water unit shall be shut down for inspection once a year so as to correctly evaluate the equipment status making a good preparation for the operation in the next season Please refer to the following items to be inspected and prepared for details
· Measure and record the winding resistance of the motor with the megger
· Inspect oil level of the compressor and supplement the lubricating oil as required
· Inspection and confirmation of the heater in its normal operation
· Replacement of the drying filter
· Tighten the contacts and the wires inside the motor terminal box
· Clean all the connectors and replace them as required
· Inspection of all the relays operational control units unloading devices
· Inspect and confirm suction and air exhausting valves of the compressor are in good conditions
AC system (directfired units)
Requirements for overhaul of AC units
1The owner is responsible for the regular maintenance of the directfired units
Maintenance Content (Annual)
Frequency
Service
Time
Once
Inspection of refrigeration poweron
May
Twice
Inspection after refrigeration shutdown
October
3 times
Inspection of heating poweron
November
4 times
Inspection after heating shutdown
March ~ April
5 times
Liquor sample test
During unit operation
2Key inspection items of the directfired units’ regular maintenance are as follow
1）Inspect and test all the devices
2）Analyze and measure the operation
3）Management of absorbent and coolant
4）Management of combustion device and cleaning and dust removing in the combustion room
5）Maintenance of vacuum pump
6）Examination and repair of the pumps
7) Cleaning of thermal transmission pipe inside the absorber and condenser
3Be responsible for timely informing the manufacturer to inspect and solve the problem when there is sudden breakdown during the operation of the directfired units
Description of professional maintenance of refrigeration equipment and the concentration AC main equipment
1 Gradeone maintenance (within 4000 hours of operation) under the responsibility of the owner
11 Remove the rust paint internal and external surfaces of the main equipment Fasten the screws and nuts of the main equipment Repair insulation layer of the main equipment Install antimice network
12 Clean the surface of refrigeration system and internal and external electrical control cabinets as well as electrical control system of the main equipment Test accessories and parts of the electrical control system resistance and insulation values sensitivity and precision of the fans and motors Eliminate abnormal noises peculiar smells and potential risks of the electrical control system and clean its surfaces and then fasten them
13 Test the working conditions of various valves protectors filters and detectors of the refrigeration system to eliminate the potential risks
14 Check whether there is an electricity leak and block in the refrigeration system Test temperature of each part of the refrigeration system including the compressor In order to eliminate the potential risks test condensation pressure evaporation pressure suction pressure air exhausting pressure oil temperature and pressure condensation temperature evaporation temperature frozen water access temperatures and difference in temperature cooling water access temperatures and difference in temperature
15 Test the precision and sensitivity of the instruments and apparatuses and then correct and clean them
16 Carry out a comprehensive adjustment and commissioning for the main equipment on its working conditions add or retrieve the coolant reasonably according to the real situation making the main equipment in a good working condition
17 After gradeone maintenance having been done the equipment has clean appearance and is in a good operational condition
Gradetwo maintenance (more than 4000 hours of operation) (The owner’s liability)
21 Dismantle various valves and filters of the cooling system for test and potential risk elimination Change the filter or the core of the filter Clean the oil tank and oil filter of the compressor and replace the cooler
22 Remove accessories and protectors of the electrical control system for thoroughly clean rustremoval dustremoval and deaxidation treatment in order to eliminate potential risks Dismantle the motor of the fan to clean the shaft and the bearing for test lubricate the bearing to reduce the potential risks Restore in place and test the cables and wires to find problems Test the resistance value insulation status and work current of the motor of the compressor
23 Check whether there is an electricity leak and block in the refrigeration system Test the temperature of each part of the refrigeration system including the compressor Test condensation pressure evaporation pressure suction pressure air exhausting pressure oil temperature and pressure condensation temperature evaporation temperature frozen water access temperatures and difference in temperature cooling water access temperatures and difference in temperature
24 Coolant shall be retrieved prior to performing maintenance then test the pressure check if there is an electricity leak and block in the refrigeration system Test the vacuum after that the coolant shall be conveyed back to the system
25 Test the precision and sensitivity of the instruments and apparatuses and then correct and clean them
26 Carry out a comprehensive adjustment and commissioning for the main equipment on its working conditions add or retrieve the coolant reasonably according to the real situation making the main equipment in a good working condition
27 After gradetwo maintenance having been performed the potential risks shall be removed and the equipment shall be in a good operational condition
Gradethree maintenance (more than 5000 hours of operation) (The owner’s liability)
31 Clean internal cooler and evaporator by using chemical method or manually to remove all the stains oil deposits bacteria and algae Only the Gerui brand detergents made by Nanzhou Corrosion Relieve Technology & Research Institute can be used This kind of detergent is the unique green environmental protection
type in the world applicable for heat exchangers like refrigeration equipment concentration air conditioning system and boilers It has many characteristics such as safety free of corrosion and pollution and free of poison
32 Pressure test electricity leak test block treatment and vacuum examination shall be done for the cooler and evaporator The coolant shall be retrieved prior to cleaning and be conveyed back after cleaning
Special –grade maintenance (more than 6000 hours operation) (The owner’s liability)
41 Dismantle all accessories and parts of the compressor Thoroughly examine its surface cleanliness and clearance precision Clean and grind properly the internal and external oil route system of the compressor making oil running smoothly Clean internal wall of the compressor housing to eliminate various potential risks Fabricate asbestos rubber gaskets for restoring in place
42 Test the operational pressure of the compressor check the electricity leak and test its vacuum
43 Carry out internal cleaning and oil change of the compressor without dismantling It is proved that 80 cleanliness can be achieved after cleaning The trouble occurrence ratio of the compressor can be greatly reduced Furthermore its service lifetime can be prolonged for another 35 years The coolant shall be retrieved prior to cleaning and the compressor shall also be moved to the job spot
44 Check whether there is an electricity leak and block in the refrigeration system Test the temperature of each part of the refrigeration system including the compressor Test condensation pressure evaporation pressure suction pressure air exhausting pressure oil temperature and pressure condensation temperature evaporation temperature frozen water access temperatures and difference in temperature cooling water access temperatures and difference in temperature
45 Carry out a complete adjustment and commissioning on the working conditions for the main equipment add or retrieve the coolant reasonably according to the real situation making the main equipment in a good working condition
46 After specialgrade maintenance having been done the potential risks can be eliminated for the compressor and refrigeration system which ensures the equipment to be in a safe operational condition greatly decreasing the trouble occurrence ratio of the equipment and prolonging the equipment’s service lifetime Certainly a utilization rate of equipment will be improved accordingly
Appendix B Definitions of maintenance of elevators
Upkeep It refers to all necessary and regular works as schedule such as inspection of lubrication condition cleaning adjustment and replacement of damaged parts in order to ensure normal and safe operation of the elevators after it is handed over for use
Maintenance It refers to maintenance services that the supplier provides for the products relating to elevators based on the signed contract or agreement by both parties according to the requirement of the user For instant alternation of rated speed and load modification of quality of the elevator cars replacement of parts like drive units control system of the elevator cars and guide rail etc
Modification It refers to complete or partial modification and improvement of the elevators’ function performance reliability and safety
Breakdown of items to be maintained and modified
No
Description
Category
1
Add poweroff cabinet YPVF and VFMG
Important Overhaul
2
Add poweroff cabinet GVFFX and GH98
Important Overhaul
3
Add poweroff cabinet YP
Important Overhaul
4
Parallel circuit instead of single control YP
Important Overhaul
5
Parallel circuit instead of single control YPVF and FVF
Important Overhaul
6
Add group control system GMS
Important Overhaul
7
Add group control system CIP
Important Overhaul
8
Replace the drive wire rope (11)
Important Overhaul
9
Replace the drive wire rope (21)
Important Overhaul
10
Replace the rope wheel bearing
Important Overhaul
11
Replace the rope wheel bearing
Important Overhaul
12
Resolve oil leaks problem at the side cover of the TYS main equipment
Important Overhaul
13
Replace the drive unit
Important Overhaul
14
Replace the worn shaft (Passenger lift) F10 B10
Important Overhaul
15
Replace the worn shaft (Passenger lift) F20 F30
Important Overhaul
16
Replace the bearing (TYS main machine)
Important Overhaul
17
Adjust the clearance of the dragging machine
Important Overhaul
18
Correct the top elevator cars and the car frame
Important Overhaul
19
Add remote control monitor
Important Overhaul
20
Adjust and fasten each part of the elevator cars
Important Overhaul
21
Inspect and adjust the landing status at each level
Medium Overhaul
22
Modify the top elevator cars and its decorations
Medium Overhaul
23
Add fire forced landing and feedback signals for YPVF and VFMG
Medium Overhaul
24
Add fire forced landing and feedback signals for GVFYPF and B
Medium Overhaul
25
Add fire fighting function for YPF and B
Medium Overhaul
27
Add landing reminders in the elevator cars
Medium Overhaul
28
Replace the fake ceiling in the elevator cars
Medium Overhaul
29
Replace the wall and the top ceiling
Medium Overhaul
30
Replace the push bearing of the main unit
Medium Overhaul
31
Replace the oil seal of the main worn shaft
Medium Overhaul
32
Replace the oil seal of the main rack of the drive wheel
Medium Overhaul
33
Inspect clean and adjust the brake after being dismantled
Medium Overhaul
34
Replace the motor
Medium Overhaul
35
Replace the bearing of motor (Front)
Medium Overhaul
36
Replace the dragging wheel
Medium Overhaul
37
Replace the bearing of motor (Rear)
Medium Overhaul
38
Modify and replace of the elevator cars
Medium Overhaul
39
Dimension inspection and modification of the elevator cars frame and bottom
Medium Overhaul
40
Adjust the dimensions of the door door plank and frame doorpost etc
Medium Overhaul
41
Replace the footboard for F
Medium Overhaul
42
Replace the footboard (Iron bracket of the passenger lift)
Medium Overhaul
43
Replace the footboard (Concrete bracket of the passenger lift)
Medium Overhaul
44
Add the stairs in the bottom of the shaft
Medium Overhaul
45
Add tension wheel switch
Slight Overhaul
46
Add damper switch
Slight Overhaul
47
Loading test
Slight Overhaul
48
Main equipment
Slight Overhaul
49
Replace the elevator car door
Slight Overhaul
50
Replace electronic plate and model check the circuit
Slight Overhaul
51
Add walkietalkie in the guard room
Slight Overhaul
52
Replace verticaltype tension wheel
Slight Overhaul
53
Add the lights of the shaft
Slight Overhaul
54
Replace the liner of the main guide rail
Slight Overhaul
55
Replace the liner of the secondary guide rail
Slight Overhaul
56
Shorten the wire rope (12)
Slight Overhaul
57
Shorten the wire rope (10)
Slight Overhaul
58
Replace and adjust the brake block
Slight Overhaul
59
Readjust parameters of each part of the drive unit
Slight Overhaul
60
Inspect and correct standard system (Full loading)
Slight Overhaul
61
Overhaul the drive system of the elevator car door
Slight Overhaul
62
Clean and adjust the safe scissors
Slight Overhaul
63
Adjust dimension of the footboard on each floor
Slight Overhaul
64
Adjust the door wheel rotating organ and blocks
Slight Overhaul
65
Replace the front door
Slight Overhaul
66
Replace the door blocks
Slight Overhaul
67
Replace the door drive unit
Slight Overhaul
68
Replace various elements of the control screen
Slight Overhaul
69
Check the control circuits and operational programs
Slight Overhaul
70
Replace the front doors
Slight Overhaul
71
Replace the footboards
Slight Overhaul
72
Replace the door blocks
Slight Overhaul
73
Replace the door drive units
Slight Overhaul
74
Replace various elements of the control screen
Slight Overhaul
75
Check the control circuits and operational programs
Slight Overhaul
76
Repair and replace the contacts
Slight Overhaul
77
Fasten and check the terminals
Slight Overhaul
78
Inspect the main circuits and safety circuits
Slight Overhaul
79
Inspect the control circuits and troubleshooting
Slight Overhaul
80
Inspect the signal circuits and troubleshooting
Slight Overhaul
81
Inspect the lighting circuits and troubleshooting
Slight Overhaul
82
Inspect other circuits and troubleshooting
Slight Overhaul
83
Add troubleshooting function of the escalator control computer
Slight Overhaul
84
Replace and modify the floor indicators
Slight Overhaul
85
Replace or adjust the speed limiter
Slight Overhaul
86
Repair the operational box and change the accessories
Slight Overhaul
87
Overhaul the floor signals calling signal and floor indication signal
Slight Overhaul
88
Inspect the door rotators stators and bearings
Slight Overhaul
89
Inspect replace and add the cables in the shaft
Slight Overhaul
90
Inspect insulation of the wires
Slight Overhaul
91
Replace the steel sheet stripe
Slight Overhaul
92
Have the damper oiled or adjust it
Slight Overhaul
93
Add the function of the elevators lifting more higher floors
Modification
94
Remove and install elevators in another place
Modification
95
Dismantle and install the elevators
Modification
96
Replace the elevator car doors
Modification
97
Replace the control screen of the elevators
Modification
98
Replace the main equipment
Modification
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