TM 9-6115-664-13&P
4-38.
OIL COOLER HOSE ASSEMBLY MAINTENANCE
This task covers inspection and repair.
INITIAL SETUP
Tools:
Equipment Condition:
Shop Equipment, Automotive Maintenance
Engine Oil Drained (App. F)
and Repair (Item 1, App. B)
A.
REMOVAL.
NOTE
Have a supply of clean rags available
to soak up oil. Place rags inside APU
enclosure, below fittings, before
disconnecting hose assemblies.
NOTE
Discard and replace all lockwashers
and locknuts when removed.
1.
Open oil filter access door (1, Figure 4-28) by turning
door latches.
2.
Remove air outlet header (2) from APU enclosure by
removing six screws (3), lockwashers (4), and
washers (5).
3.
Disconnect oil cooler hose assemblies (9, 10) from
elbows (6, 7) and oil cooler (8). Remove elbows (6,
7) from oil filter adapter only if replacement is
required.
B.
INSPECTION.
1.
Inspect oil cooler hoses for punctures, cuts, tears, or
evidence of corrosion or leakage. Ensure hose
fittings are securely attached.
2.
Inspect elbows and oil cooler fittings for crossed,
stripped, or flattened threads.
Figure 4-28. Oil Cooler Hoses
4-94
