TM 3-4230-218-12&P
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step
Step
Step
Step
4.
Check if carburetor is primed when engine is cold.
If carburetor is not primed, squeeze ball pump and press tickler
until fuel flows from the carburetor.
If carburetor is primed, proceed to step 5.
5.
Check that engine choke is closed in cold weather and open in
hot weather or when engine is warm.
If choke is not set properly, set choke.
If choke is set properly, proceed to step 6.
6.
Check for flooded engine/fouled spark plug.
Remove spark plug and examine electrodes. If they appear wet, the
engine may be flooded.
Dry spark plug and pull recoil starter several time to purge excess
fuel from cylinder.
If the plug has excessive accumulation of deposits around electrodes,
clean deposits from spark plug electrodes with wiping rag, abrasive
paper or wire brush.
Rinse spark plug electrodes in solvent, dry
plug, regap to .030 (.75mm) inches and reinstall plug finger tight
plus 1/8 turn.
Attempt to restart engine. Be sure choke is open.
If engine will not start, proceed to step 7.
7.
Check for contaminated or clogged fuel filter.
Water can be seen as a separate layer below fuel level within filter.
If filter is contaminated, drain filter by back-draining fuel system:
Remove lid from fuel container.
Let fuel hose hang. Do not let
strainer end of hose come in contact with ground.
Keep fuel filter
in vertical position and allow fuel and water contamination to drain
when ball is squeezed. After draining, reinsert assembly in fresh
fuel container. Reprime system and attempt to start.
If engine does not start,notify organizational maintenance.
2.
ENGINE RUNS ROUGHLY OR STOPS.
If fuel can is not empty, proceed to step 2.
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