ENGINE LACKS POWER. - TM-5-4310-354-140085

TM 5-4310-354-14

Table 4-2. Organizational Troubleshooting - Continued

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

ENGINE - continued

4. ENGINE LACKS POWER.

Step 1. Check for restriction in engine exhaust.

Remove any restriction. Refer to para 4-47 for maintenance of exhaust manifold.

Step 2. Check fuel lines, hoses, and fittings for tightness of connections, pinching, and clogging.

Refer to para 4-31 and para 4-44 for maintenance.

Step 3. Inspect fuel transfer pump operation.

Replace a worn or defective fuel transfer pump (para 4-43).

Step 4. Check fuel injection nozzles for clogging or sticking.

Replace defective fuel injection nozzles (para 4-42).

Step 5. Check speed control linkage adjustment.

Adjust the speed control linkage (para 4-74).

Step 6. Check valve clearance.

Adjust the rocker arms (para 4-50).

Step 7. Any other cause.

Notify Direct Support or General Support Maintenance.

5. ENGINE KNOCKS, DEVELOPS EXCESSIVE NOISE, OR VIBRATES.

Step 1. Check engine for overload or operating at excessive speed.

Adjust the speed control linkage (para 4-74).

Step 2. Check to see if engine is overheating.

Refer to para 4-45 for maintenance of cooling fan, water pump, and thermostat. See para 4-14

for drive belt adjustment, para 4-12 for radiator hose service, and para 4-29 for maintenance of

radiator and oil cooler group.

Step 3. Check fuel injection nozzles for clogging.

Replace fuel injection nozzles (para 4-42).

4-14

Privacy Statement
Press Release
Contact