Section 5
MAINTENANCE
22
NOTE
Operation at speeds below the minimum idle
speeds shown in the Table in Section 3, Specifi ca-
tions will damage the compressor. Extended op-
eration below those speeds will induce coupling
and/or compressor failures.
2. Lubricate the control linkage.
3. Check Engine Manual for required service.
5.8 MAINTENANCE EVERY 1000 HOURS
Perform the following after every 1000 hours of op-
eration:
1. Clean the return line orifice.
2. Grease the w heel bearings on wheel---mounted
units.
5.9 MAINTENANCE EVERY 1200 HOURS
When using Sullair AWF, change the compressor
fluid a nd replace the fluid filter element (See mainte -
nance procedures in Section 5.10).
5.10 PARTS REPLACEMENT AND ADJUSTMENT
PROCEDURES
COMPRESSOR FL UID CHANGE PROCEDURE
Warm---up compressor for 5 to 10 minutes to warm
the fluid. Shut the compressor off and relieve all in-
ternal pressure before proceeding. Drain the fluid
sump by removing the plug at the bottom of the
sump tank. Change the compressor fluid and re-
place the fluid filter element. For element replace-
Figure 5 ---1 Bearing Filter (P/N 250025---520)
* Replacement Element P/N 250025---524
Figure 5 ---2 Air Filter (P/N 250040 ---807)
*Filter Element P/N 02250044---537 (2 req’d.)
ment see procedure for servicing the fluid filter in
this section. Fill the sump with fluid according to
specifications in Section 3.
COMPRES SOR FLUID FILTER ELEMENT RE-
PLACEMENT
1. Using a strap wrench, remove the old element.
2. Clean t he gasket seating surface.
3. A pply a light film of fluid to the new gasket.
4. Hand tighten the new element (P/N 250025---524)
until the new gasket is seated on the gasket seat.
5. Continue tightening the element by hand an addi-
tional 1/2 to 3/4 turn.
6. Restart the compressor and check for leaks.
AIR FILTER M AINTENANCE
Refer to Figure 5---2. Air filter (P/N 250040---807)
maintenance should be performed as often as con-
ditions require. I f the filters are equipped with an op-
tional maintenance indicator, maintenance should
be done when the indicator shows red. The follow-
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