TM 5-3810-306-10
TABLE 3-1. OPERATOR TROUBLESHOOTING (CONTD)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
19. EXCESSIVE ENGINE NOISES
Step 1.
Drive belt squeal, insufficient tension or abnormally high loading.
a. Check belt tension and condition of drive belt. (Refer to page 3-26.)
b. Make sure water pump tensioner pulley, fan hub and alternator turn freely. If ok, do step 2.
c. Contact Organizational Maintenance to replace drive belt or tensioner.
Step 2.
Defective engine.
a. Contact Organizational Maintenance.
20. FUEL OR OIL LEAKING FROM EXHAUST MANIFOLD
Step 1.
Defective engine.
a. Contact Organizational Maintenance.
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