TM 5-1940-322-10
0041 00
MECHANICAL TROUBLESHOOTING (Contd)
Engine Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4.
ENGINE SPEED AND PERFORMANCE DROP OFF
Step 1. Check fuel level.
Fill fuel tank.
Step 2. Check fuel tank vent for obstruction.
Remove obstruction.
Step 3. Check fuel lines for leaks.
If leaks are found, notify Field maintenance.
END OF TESTING
5.
ENGINE SPEED AND PERFORMANCE DROP OFF AND BLACK SMOKE IS EMITTED
FROM EXHAUST
Check for clogged air filter. Refer to WP 0049 00.
a. Clean or replace air filter.
b. If problem persists, notify Field maintenance.
END OF TESTING
6.
ENGINE WILL NOT SHUT OFF
Step 1. Pull engine emergency stop control cable.
Step 2. Notify Field maintenance.
END OF TESTING
7.
SUDDEN LOSS OF OIL PRESSURE
Step 1 Check engine for oil leaks while running.
If oil leak is present, determine location and notify Field maintenance.
Step 2. Check engine oil level. Refer to WP 0049 00.
Fill oil to proper level.
END OF TESTING
