TM 5-3810-306-20
TABLE 3-1. ORGANIZATIONAL TROUBLESHOOTING (CONTD)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 4.
Fuel system malfunction.
a. Contact Direct Support Maintenance.
16. FUEL KNOCK
Step 1.
Air in fuel system.
a. Bleed fuel system and check for suction leaks. If no air is detected, do Step 2. (Refer to page
5-12.)
Step 2.
Fuel system malfunction.
a.
Contact Direct Support Maintenance.
17. EXCESSIVE FUEL CONSUMPTION
Step 1.
Inadequate intake air or exhaust restriction.
a. Refer to troubleshooting logic for Exhaust Smoke Excessive Under Load. If OK, do Step 2.
Step 2.
Incorrect valve adjustment.
a. Check valve adjustment.
b. Adjust valve clearances. (Refer to page 4-2.)
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