TM 9-2320-272-24-1
Table 2-2. Mechanical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 5.
Check for loose front axle steering knuckle(s). Raise wheels off ground. Turn wheels from
side to side to observe for loose steering knuckle.
If steering knuckle is loose, notify DS maintenance.
END OF TESTING!
FRAME AND BRACKETS
52. TOWlNG PINTLE DOES NOT LATCH OR LOCK
Step 1. Inspect pintle hook for lubrication.
Lubricate pintle hook (LO 9-2320-272-12).
Step 2. Check pintle hook lock for proper operation.
Replace defective pintle hook (para. 3-242).
END OF TESTING!
53. PINTLE HOOK DOES NOT TURN
Step 1. Inspect pintle hook for lubrication.
Lubricate pintle hook (LO 9-2320-272-12).
Step 2. Check clearance between thrust washer and mounting bracket housing with feeler gauge.
Clearance should be 0.003 in. - 0.017 in. (0.07 mm - 0.43 mm).
a. If clearance is the same completely around, but not 0.003 in. - 0.017 in. (0.07 mm -
0.43 mm), adjust clearance (para. 3-242).
b. If clearance is the same completely around, go to step 3.
Step 3. Inspect pintle hook shaft for bends.
Replace pintle hook if shaft is bent (para. 3-242).
END OF TESTING!
5-54. EXCESSIVELY LOOSE LIFTING SHACKLE
Inspect shackle and shackle pin for bends, wear, and proper size.
If worn, bent, or size is improper, replace shackle and/or shackle pin (para. 3-241).
END OF TESTING!
55. LOOSE SPARE TIRE CARRIER
Step 1. Check for missing and worn mounting bolts.
If worn or missing, replace mounting bolts.
Step 2. Inspect carrier frame for damage.
If damaged, replace any unserviceable carrier component (chapter 3, section XI).
END OF TESTING!
SPRINGS AND SHOCK ABSORBERS
56. CONTINUOUS WANDERING OR SWAYING (POOR CONTROL)
Step 1. Inspect front leaf springs for breaks.
If broken, replace main leaves (para. 3-161).
Step 2. Inspect shock absorbers for leaks and damage.
If leaking or damaged, replace shock absorbers (para. 3-166).
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