TM 5-4310-354-14
Table 3-2. Operator/Crew Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE - Continued
2. ENGINE CRANKS BUT FAILS TO START WHEN STARTER BUTTON IS DEPRESSED -continued.
Step 6.
Check and make certain proper grade of fuel is being used.
Drain fuel tank and refill with proper grade of fuel.
Step 7.
Check air cleaner restriction indicator on instrument panel for indication of air cleaner element being
restricted.
Remove the air cleaner element and notify organizational maintenance that element requires
cleaning.
Step 8.
Any other cause.
Notify organizational maintenance.
3. ENGINE MISSES OR RUNS ERRATICALLY.
Step 1.
Check temperature of engine coolant.
Allow engine to run until operating temperature is achieved before applying air compressor
load. Warm-up engine at fast idle.
Step 2.
Check for water or dirt in the fuel system.
Drain the fuel tank and refill with clean fuel.
Replace the engine fuel filter.
Step 3.
Check for air in the fuel injection system.
Disconnect fuel pressure gauge hose from elbow at fuel injection pump inlet and purge the
system of air (figure 3-17). Manually operate the fuel transfer pump lever until air-free fuel
flows from the hose connection elbow; then reconnect the hose.
Step 4.
Check for restriction in engine exhaust.
Remove any exhaust restriction.
Step 5.
Any other cause.
Notify organizational maintenance.
4. ENGINE LACKS POWER.
Step 1.
Check air cleaner restriction indicator on instrument panel.
If indicator shows red, remove air cleaner element, notify organizational maintenance that air
cleaner element requires cleaning, install clean air cleaner element. Press top of restriction
indicator to reset to green.
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