D–EIMWC00808-16HU - 59/64
Maintenance Schedule
Maintenance Check List Item
Daily
W
ee
kl
y
Mon
th
ly
Q
u
ar
ter
ly
An
n
u
all
y
5-
Yr
As Req
’d
I. Unit
· Operational Log
O
· Analyze Operational Log
O
· Refrigerant Leak Test Chiller
O
· Test Relief Valves or Replace
X
II. Compressor
· Vibration Test Compressor
X
A. Motor
· Meg. Windings (Note 1)
X
· Ampere Balance (within 10% at RLA)
O
· Terminal Check (Infrared temperature measurement)
X
· Motor Cooling Filter Drier Pressure Drop
X
B. Lubrication System
· Clean Oil Cooler Strainer (water)
X
· Oil Cooler Solenoid Operation
O
· Oil Appearance (clear color, quantity)
O
- Oil Filter Pressure Drop
O
· Oil Analysis (Note 5)
X
· Oil change if indicated by oil analysis
X
III. Controls
A. Operating Controls
· Calibrate Temperature Transducers
X
· Calibrate Pressure Transducers
X
· Check Vane Control Setting and Operation
X
· Verify Motor Load Limit Control
X
· Verify Load Balance Operation
X
· Check Oil Pump Contactor
X
B. Protective Controls
· Test Operation of:
Alarm Relay
X
Pump Interlocks
X
Guardistor and Surgeguard Operation
X
High and Low Pressure Cutouts
X
Oil Pump Pressure Differential Cutout
X
Oil Pump Time Delay
X
Continued on next page.
