TM 10-4930-351-14
0012 00
Table 1. Operator Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. Engine cranks but will not start
Check fuel supply to engine.
a.
Add fuel to fuel tank if required.
b.
Check that fuel selector valve is in ON or EXTERNAL ON position.
c.
Make sure all fuel lines between fuel tank and engine are connected.
d.
If engine still does not start, notify unit maintenance.
6. Engine starts but lacks power or will not continue running.
Check for blockage at air intake.
a.
Inspect air filter element for clogging.
b.
Tap lightly against hand to remove clogging.
7. Engine will not start electrically.
Raise manual start control and attempt to start.
If engine starts, notify unit maintenance of electrical problem in fuel shutoff solenoid circuit.
8. Engine exhaust produces black smoke.
Step 1. Check for clogged air intake.
Remove filter element from air filter. Check for blockage at air intake.
Step 2. Inspect filter element for clogging.
Tap lightly against hand to remove clogging.
9. Engine exhaust produces blue smoke.
Stop engine and wait 2-3 minutes for oil to drain down. Check level on dipstick.
If level is above maximum mark, notify unit maintenance.
10. Fuel transfer pump will not prime.
Ensure that all valves on inlet side are open.
If pump still does not prime, notify unit maintenance.
11. Fuel transfer pump does not provide flow and pressure when engine is running.
Step 1. Verify that all system valves are open.
Step 2. Ensure no kinks in hoses.
If pump still does not provide flow and pressure, notify unit maintenance.
0012 00-2