DIS185SSI4F AIR COMPRESSOR • OPERATION MANUAL — REV. #0 (12/19/16) — PAGE 47
MAINTENANCE (COMPRESSOR)
3. Coat the seal on the new oil separator filter cartridge
with clean engine oil (Figure 66).
4. Install new filter back onto unit and hand tighten.
5. Using a filter wrench, tighten filter 1/2 turn clockwise
until filter cartridge is firmly seated.
COMPRESSOR SAFETY RELIEF VALVE (DAILY)
1. Start the engine and let run under
no load
for at least 5
minutes to build up pressure in the air compressor tank.
2. Use the 7-segment display to verify that the air pressure
is between 110–115 psi (758–793 kPa).
3. Next, pull the compressor
safety valve ring
(Figure 67)
and verify that the air pressure is released through
the valve.
Figure 67. Pressure Relief
4. If pressure is released when the ring is pulled, the
pressure relief valve is working correctly.
5. If pressure is not released when the ring is pulled,
replace the pressure relief valve.
6. At completion of testing, release the
relief pin
to close
the valve.
7. Turn engine off.
SAFETY
VALVE RING
RELIEF PIN
PRESSURE
RELIEF VALVE
CHECKING INLET VALVE SEAL (1000 HOURS)
1. Inspect the inlet valve seal (Figure 68) for wear or
deformations.
2. Clean or replace seal.
Figure 68. Inlet Valve Seal
SEAL
INLET
VALVE
AIR END