TM 5-3740-214-14
Table 5-3. Direct and General Support Maintenance Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
THE ENGINE IS HARD TO START (Continued)
a.
Start the engine and run it for fifteen minutes.
b.
Shut the engine OFF and remove the spark plug.
CAUTION
BE CAREFUL when removing the spark plug. Too much force can break the insulator.
Figure 5-92. Spark Plug Cleaning
(1)
Loosen the spark plug a few turns.
(2)
Blow out the spark plug well with high pressure air. This will clean out any dirt or debris that can
fall into the cylinder.
(3)
Remove the spark plug by hand.
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