TM 9-2320-289-34
Table 2-1. Mechanical Troubleshooting (Con’t)
MALFUNCTION
TEST OR inspection
Corrective ACTION
48. NOISY
Step 1.
Check for loose transfer case mounting bolts.
Tighten transfer case-to-adapter bolts if loose. Tighten 2 adapter-
to-transmission support bolts to 40 lb. -ft. (54 N.m) if loose. Tighten 4
transfer case-to-front propeller shaft bolts to 15 Ib.-ft. (20 N.m) if loose.
Step 2.
Disassemble transfer case (see paragraph 5-21 or 5-22) and check for worn or
damaged bearings.
Replace any worn or damaged bearings.
49. EXCESSIVE FLUID LOSS
Step 1.
Check for loose transfer case housing bolts.
Tighten front output shaft bolts to 35 Ib.-ft. (47 N.m) if loose. Tighten rear
extension bolts to 30 Ib.-ft. (41 N.m) if loose.
Step 2.
Check to see if transfer case vent is plugged or restricted.
Clear if plugged or replace if restricted.
Step 3.
Disassemble transfer case (see paragraph 5-21
seals and gaskets.
Replace any damaged seals and gaskets.
SO. CONTROL LEVER DISENGAGES FROM POSITION
or 5-22) and check for damaged
Step 1.
Inspect selector rod at transfer case to see if it is bent or worn.
Replace selector rod if bent or worn. (See TM 9-2320-289-20)
Step 2.
Disassemble transfer case (see paragraph 5-21 or 5-22) and check for worn or
damaged gears. Check for missing cap plug, shift ball, and poppet spring.
Replace worn or damaged gears. Install cap plug. shift ball, and poppet
spring if missing.
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