Redmax HEZ2500S User Manual download pdf (Page 26)

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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.

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Redmax HEZ2500S User Manual Page 26