Air Compressor User's Manual
 17  2006SSD-75 R4 (10/10)  16  2006SSD-75 R4 (10/10) 
Dual-Compressor Module    Maintenance
 16  2006SSD-75 R4 (10/10) 
4.0  maiNteNaNCe
4.1  Routine Maintenance
Perform the maintenance procedures in Table 3 at least once per year or more often if needed.
Oil consumption varies by application and during initial operation. Monitor the oil level routinely to 
determine a consistent pattern of actual consumption.
Table 3  Maintenance summary
Components Maintenance Reason For details, see:
Lubrication 
& Cooling 
System
•  Monitor and check the oil level.
A low oil level or loss 
of oil in the system will 
result in overheating or 
mechanical failure. 
A high oil level may result 
in excessive oil carryover 
and oil discharge from 
the Compressor Module 
when the Compressors 
are turned off.
4.3 - Checking 
the Oil Level
(page 18)
•  Add oil as needed.
4.5.1 - Topping 
Off the Oil Level
(page 19)
•  Change oil annually. 
Note: Some applications may require more 
frequent service.
4.5.2 - Changing 
the Oil
(page 20)
•  Check the condition of the lubricant 
periodically. Normal color is clear or light 
gray.
—
•  Change the oil lter (if equipped) annually 
or as required.
—
Gas Inlet 
System
•  Inspect and clean the inlet screen annually 
or more often as needed.
A restricted inlet screen 
will result in reduced ow.
4.6 - Cleaning 
the Inlet Screen
(page 22)
Second- 
Stage 
Separator 
System
•  Inspect and clean the scavenge line orice 
annually or more often as needed.
A restricted scavenge 
line orice will result in 
excessive oil carryover.
4.7 - Servicing 
the Scavenge 
Line Orice
(page 22)
•  Change the second-stage oil separator 
element annually or more often if 
contaminated.
Note: Some applications may require more 
frequent service.
A dirty or plugged 
separator element will 
result in excessive oil 
carryover.
4.8 - Changing 
the Second-
Stage Separator 
Element
(page 23)
Oil Heat 
Exchanger
•  Ensure heat exchanger cooling ns are clear 
of dust and debris.
•  Verify that the fans run freely.
— —
See 5.0 - Troubleshooting on page 25 for additional details.










