TB 9-2320-335-13&P
3-7.1. ENGINE OIL COOLER SUPPLY AND RETURN LINES MAINTENANCE
(SERIAL NUMBERS 300000 AND ABOVE)
This task covers:
a. Removal
c. Installation
b. Inspection
INITIAL SETUP:
Tools
Manual References
General mechanic's tool kit:
TM 9-2320-387-10
automotive (Appendix B, Item 1)
TM 9-2320-387-24-1
Maintenance and repair shop equipment:
TB 9-2320-335-13&P, Appendix E
automotive (Appendix B, Item 2)
Equipment Condition
Materials/Parts
Engine left splash shield removed (para. 10-23.1).
Two lockwashers (Appendix A, Item 144)
Oil filter removed (TM 9-2320-387-24-1).
Two locknuts (Appendix A, Item 77)
General Safety Instructions
Three tiedown straps (Appendix A, Item 323)
Do not drain oil when engine is hot.
Lockwasher (Appendix A, Item 145)
Maintenance Level
Unit
WARNING
Do not drain oil when engine is hot. Severe injury to personnel
may occur.
CAUTION
Cover or plug all open lines and connections immediately after
disconnection to prevent contamination. Remove all plugs prior to
connection.
NOTE
Replacement procedures for engine oil cooler supply and return
lines are basically the same. This procedure covers the supply line.
Mark line connectors for installation.
a. Removal
NOTE
Have drainage container ready to catch oil.
1.
Disconnect supply line connector (12) from adapter (11) and allow oil to drain.
2.
Disconnect supply line connector (29) from oil cooler port (30).
3.
Remove locknut (25), lockwashers (26), capscrew (1), oil and power steering lines bracket (3), and
washers (2) and (27) from airlift bracket (4). Discard locknut (25) and lockwasher (26).
4.
Remove capscrew (20), lockwasher (21), washer (22), and oil lines bracket (23) from steering gear
case (24). Discard lockwasher (21).
5.
Remove capscrew (14), two clamps (15) and (16), and oil line (13) from engine mount bracket (17).
6.
Remove locknut (9), washer (8), capscrew (19), lockwasher (18), two clamps (6) and (7), and
oil line (13) from oil lines bracket (23). Discard locknut (9) and lockwasher (18).
7.
Remove three tiedown straps (5), (10), and (28) from engine oil and power steering lines.
b. Inspection
Inspect adapter (11) and oil cooler port (30) for damaged threads or cracks. If damaged, replace.
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