Section 5
MAINTENANCE
25
NOTE
Operation at speeds below the minimum idle
speeds shown in the Table in Section 3, Specifica-
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 wheel bearings on wheel---mounted
units.
5.9 MAINTENANCE EVERY 1200 HOURS
When using Sullair AWF, change the compressor
fluid and replace the fluid filter element (See mainte-
nance procedures in Section 5.10).
5.10PARTS REPLACEMENT ANDADJUSTMENT
PROCEDURES
COMPRESSOR FLUID 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
spec if ic ations in S ec tion 3 .
COMPRESSOR FLUID FILTER ELEMENT RE-
PLACEMENT
1. Using a strap wrench, remove the old element.
2. Clean the gasket seating surface.
3. Apply a light film of fluid to the new gasket.
4.Handtighten thenewelement (P/N250025---524)
until the new gasket isseated onthe gasket seat.
5. Continue tightening theelement byhand anaddi-
tional 1/2 to 3/4 turn.
6. Restart the compressor and check for leaks.
AIR FILTER MAINTENANCE
Refer to Figure 5 --- 2. Air filter (P/N 250040 --- 807)
maintenance should be performed as often as con-
ditions require. If 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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