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CHANGING APU OIL | Up
TM-55-2835-208-23 Transportability Guidance Small Emplacement Excavator (SEE) High Mobility Entrencher (HME) High Mobility Material Handler (HMMH) Manual | Next
Section IX PREVENTIVE MAINTENANCE 1-29. DROPPED ENGINE INSPECTION Technical Inspector shall perform overall inspection of APU if it was dropped. Check for any broken, bent or kinked tube assemblies, broken air inlet screen, dented combustor housing, damaged electrical harness/ connectors, damaged fuel manifold assembly and other obvious damage. Refer to DA PAM 738-751 for applicable forms, records and worksheets. CHECKS AND SERVICES |
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TM 55-2835-208-23
1-28. CHANGING APU OIL (Continued)
1-28
NOTE
Do not use DOD-L-85734 oil in tur-
bine engines. DOD-L-65734 oil is to
be used in transmissions and gear-
boxes only. If DOD-L-85734 oil is
inadvertently added to the APU, the
oil should be drained and the APU
serviced with the correct oil.
Clean top of by-pass valve housing (2) before removal
to prevent contamination.
Remove retaining ring (1), by-pass valve housing (2)
and filter element (4) using tool (T23). Discard pack-
ing (3).
NOTE
Inspect filter element (4) for contami-
nation (refer to paragraph 1-30).
Ensure packing (5) is properly lubricated and seated
inside filter element (4).
Lightly lubricate new packing (4) with assembly fluid
(E31). Lubricate and install new packing (3) on by-
pass valve housing (2).
Install new filter element (4). by-pass valve housing
(2) and retaining ring (1).
Install drain plugs (Task 1-27).
Service APU (Task 1-26).
FOLLOW ON MAINTENANCE:
None
END OF TASK
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