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GAC-6HZ 60 HZ GENERATOR • OPERATION AND PARTS MANUAL — REV. #1 (03/31/10) — PAGE 29
TROUBLESHOOTING (ENGINE)
Table 6. Engine Troubleshooting (Continued)
Symptom Possible Cause Solution
Weak in power.
Compression is proper
but misfires.
Water in fuel system?
Flush fuel system and replace with correct
type of fuel.
Dirty spark plug? Clean or replace spark plug
Ignition coil defective? Replace ignition coil.
Engine overheats.
Spark plug heat value improper? Replace with correct type of spark plug.
Incorrect type of fuel? Replace with correct type of fuel.
Cooling fins dirty? Clean cooling fins.
Rotational speed
fluctuates.
Governor adjusted correctly? Adjust governor
Governor spring defective? Replace governor spring.
Fuel flow restricted? Check entire fuel system for leaks or clogs.
Recoil starter
malfunction.
Recoil mechanism clogged with dust and
dirt?
Clean recoil assembly with soap and water.
Spiral spring loose? Replace spiral spring.