TM-9-2330-267-14-P
TRAILER, TANK, WATER: 400 GALLON, 1-1/2 TON, 2 WHEEL M149, M149A1 AND M149A2
TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTS)
JULY 1991
TM-9-2330-267-14-P - Page 72 of 354
TM 9-2330-267-14&P
Table 4-2. Organizational Troubleshooting (Con’t).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 3.
Check for loose wheel bearings.
Adjust wheel bearings (para 4-45).
Step 4.
Check for loose or worn out brakeshoe linings.
Replace brakeshoes (para 4-32).
TIRES
12. TIRES ARE CUPPED OR WEARING UNEVENLY
Step 1.
Step 2.
Step 3.
Step 4.
Check for correct tire pressure of 40 psi (276 kPa).
Adjust tire pressure as needed.
Check for loose wheel nuts.
Torque wheel nuts to 340-370 Ib.-ft. (461-502 NŽm).
Check for loose wheel bearings.
Adjust wheel bearings (para 4-45).
Check for bent wheel or rim.
Replace defective wheel (para 4-43).
SUSPENSION
13. NO SPRINGING ACTION IN SUSPENSION SYSTEM.
Step 1.
Check for loose or broken spring leaves.
Notify direct support maintenance to replace springs as needed.
Step 2.
Check for loose or worn out shock absorbers.
Tighten or replace shock absorbers as required (para 4-52).
4-22
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