TM 5-3740-214-14
Table 4-3. Troubleshooting Chart (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE IS HARD TO START (Continued)
a. If any wires are loose, tighten them and go to step 1c.
b. If wire insulation is frayed, cracked or broken, replace the wire and go to step 1c.
c. Start engine.
(1) If engine starts without trouble, the problem is solved.
(2) If engine does not start or if it is hard to start, go to step 2.
Step 2. Check the carburetor.
Figure 4-43. Carburetor
a. Adjust needle valves.
(1) Turn both needle valves all the way to the right (clockwise) until they gently
touch bottom.
(2) Turn main fuel needle valve to the left (counterclockwise) two full turns.
(3) Turn idle needle valve to the left (counterclockwise) 1-1/4 turns.
(4) Go to step 2b.
b. Start the engine.
(1) If engine starts without trouble, the problem is solved. Go to step 2c.
(2) If engine is hard to start, go to step 2c.
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