ARMY TM 9-6115-464-12
AIR FORCE TO 35C2-3-445-1
NAVY NAVFAC P-8-624-12
Table 3-1. Operator Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. ENGINE STARTS CORRECTLY, BUT STOPS WHEN START/RUN/STOP SWlTCH lS RELEASED.
Step 1. Switch not held in START position long enough.
Hold switch in START position until engine oil pressure reaches 20 psi (para 2-6).
Step 2. High coolant temperature.
Refer to malfunction 11 of this table.
4. ENGINE STOPS SUDDENLY.
Step 1.
Step 2.
Step 3.
Step 4.
Protective device tripped.
Check fault indicator for malfunction indication. Refer to the appropriate maintenance section.
Fuel supply exhausted.
Service fuel tank (para 3-45).
Air lock in fuel supply line.
Bleed fuel system (para 3-21, 3-22, 3-45).
Water in fuel.
Drain main fuel tank (para 3-45), fuel filters (para 3-39, 3-41) and day tank (para 3-21).
Service with clean fuel of proper grade (para 3-45).
5. ENGINE RUNS ERRATICALLY OR MISFIRES.
Step 1.
Step 2.
Improper grade or contaminated fuel.
Drain the entire fuel system. Service with clean fuel of proper grade (para 3-45).
Service fuel filters (para 3-22, 3-39).
Dirty air cleaner
Notify higher level of maintenance.
6. ENGINE DOES NOT DEVELOP FULL POWER.
Step 1. One or more cylinders misfiring.
Refer to malfunction 5 of this table.
3-13