TM 5-4310-354-14
Table 4-2. Organizational Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE
1. ENGINE FAILS TO CRANK WHEN START BUTTON IS PRESSED.
Step 1. Check to see if battery electrolyte level is above the top of the plates.
If electrolyte level is low, service the battery in accordance with figure 3-10.
Step 2. Inspect for loose, corroded, or broken battery cables. Inspect for damaged battery.
Refer to figure 3-18 and inspect battery cables.
Refer to Section VIII for maintenance of battery box group.
Step 3. Inspect start switch on instrument panel for loose or broken wire connections.
If wires are loose, tighten terminal connections. Refer to para 4-61 and figure 4-34 for
start switch maintenance.
Step 4. Check starting motor for defects.
Replace the starting motor (para 4-37).
Step 5. Any other cause.
Notify Direct Support or General Support Maintenance of any other cause.
2. ENGINE CRANKS BUT FAILS TO START WHEN START BUTTON IS PRESSED.
Step 1. Check ignition switch. It must be in ON position.
Pull ignition switch outward to ON position.
Step 2. Safety pushbutton switch is not being pressed along with the start pushbutton switch.
Press safety pushbutton switch simultaneously with start pushbutton and hold safety
pushbutton in until engine oil pressure reaches at least 4 psi (0.28 KG/CM2).
Step 3. Check air cleaner restriction indicators on instrument panel for indication of air cleaners being
restricted.
Service the air cleaner (figure 4-6).
Step 4. Check for defective fuel transfer pump.
Replace the fuel transfer pump (para 4-43).
Step 5. Inspect for defective fuel injection nozzles.
Replace defective fuel injection nozzles (para 4-42).
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