Maintenance & Repair
43
CAS3560 Maintenance Procedures
Maintenance intervals in the schedule outlined in this manual are based on one hour of
compressor operation equal to about 40 road miles on an engine. Thus, eight hours operation is
equal to 320 road miles, 250 hours is equal to 10,000 road miles, etc.
Only inspection processes can be completed with the compressor covers on. To complete any
maintenance procedures, the covers must be removed.
LIFTING COMPRESSOR
A hole with 5/8-11 UNC threads is provided on the top of the compressor. This threaded hole is
designed to be used with an eyehook or lifting hook to lift the compressor. Lift hooks or
eyehooks with a rating of at least 600 pounds must be provided by the customer.
COMPRESSOR OIL SUMP FILL, LEVEL, AND DRAIN
CHECKING COMPRESSOR OIL LEVEL
The proper compressor oil level, when unit is shut down and has had time to settle, is at the
midpoint of the oil sightglass. The truck must be level both side to side and front to back when
checking the oil.
ADDING OIL TO COMPRESSOR
1
Before adding or changing
compressor oil, completely
drain air tank and relieve
pressure by opening pressure
relief valve.
2
Remove filler cap and add new
oil until the upper limit of the oil
level indicator is reached. Oil
can be added at the oil fill tube
(1).
3
Replace filler cap.
4
Close pressure relief valve (2).
