ARMY TM 9-6115-464-12
AIR FORCE TO 35C2-3-445-1
NAVY NAVFAC P-8-624-12
Table 4-2. Unit Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. ENGINE STARTS CORRECTLY, BUT STOPS WHEN START/RUN/STOP SWITCH IS RELEASED.
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Step 6.
Defective speed switch.
Replace speed switch (para 4-19).
Defective START-RUN-STOP switch.
Replace switch (para 4-63).
Clogged oil filter assembly.
Service oil filter assembly (para 4-4)
Defective oil pressure switch.
Replace low oil pressure switch (para 4-23).
High coolant temperature.
Refer to malfunction 11 of this table.
Low fuel in day tank.
Check main tank fuel level. Check transfer pumps for proper operation. Replace if necessary (para
4-28). Check fuel solenoid valve for proper operation. Replace if defective (para 4-25). Check day
tank fuel level and low fuel cut-off switch for proper operation. Replace if necessary (para 4-24).
4. ENGINE STOPS SUDDENLY
Step 1.
Step 2.
Step 3.
Step 4.
4-10
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). Tighten any loose fuel line connections (para 4-33).
Obstruction in fuel supply line.
Clean or replace fuel supply line (para 4-33).
Water in fuel.
Drain main fuel tank (para 3-45), fuel filters (para 3-39, 3-22) and day tank (para 3-21).
Service fuel system with clean fuel of proper grade (para 3-45).
