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ARMY TM 9-2805-258-14
AIR FORCE TO 38G2-89-21
NAVY NAVFAC P-8-614-14E
S Y M P T O M I N D EX
S y m p t om
P a ge
Engine oil consumption excessive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Engine lacks power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..4-6
Table 4-2. Unit Troubleshooting Procedures.
Malfunction
Test or lnspection
Corrective Action
1. ENGINE FAILS TO START.
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Step 6.
Inspect fuel filter.
Service a dirty fuel filter (para. 4-13).
Inspect magneto coil.
Replace a defective or othenwise damaged magneto coil (para. 4-36).
Inspect magneto contacts.
Adjust or replace worn magneto contacts (para. 4-34).
Check condenser.
Replace a damaged or defective condenser (para. 4-35).
Inspect spark plugs.
Adjust or replace worn spark plug (para. 4-38).
Test high tension cables.
Replace a defective high tension cable (para. 4-37).
Step 7. Check carburetor adjustment.
Adjust carburetor (para. 4-47).
Step 8. Check automatic choke operation.
Adjust or replace automatic choke solenoid (para. 4-30).
Step 9. Check low oil pressure shutdown switch as follows:.
a. Remove lead going to low oil pressure shutdown switch.
b. Connect lead end to ground.
4 - 4
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