Zenoah HEZ2500F Trimmer User Manual


 
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11. Troubleshooting guide
Case 1. Starting failure
CHECK PROBABLE CAUSES ACTION
fuel tank incorrect fuel drain it and with correct fuel
fuel filter fuel filter is clogged clean
carburetor adjustment screw out of normal range adjust to normal range
sparking (no spark) spark plug is fouled/wet clean/dry
plug gap is incorrect correct (GAP: 0.6~0.7mm)
spark plug disconnected retighten
Case 2. Engine starts but does not keep running/Hard re-starting.
CHECK PROBABLE CAUSES ACTION
fuel tank incorrect fuel or staled fuel drain it and with correct fuel
carburetor adjustment screw
out of normal range adjust to normal range
muffler,cylinder (exhaust port)
carbon is built-up wipe away
air cleaner clogged with dust wash
cylinder fin, fan cover clogged with dust clean
When your unit seems to need further service, please consult with our RedMax service shop in your area.