10. 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.
9. Storage•Oil the blade to prevent rust.
•Empty the fuel tank and put the cap back on.
•Remove the spark plug, pour a small amount of
oil into the cylinder.
•Rotate the crankshaft several times using the
starting rope in order to distribute the oil. Put the
spark plug back in.
•Wrap the engine with a plastic sheet.
•Store the trimmer in a dry place, preferably not
in direct contact with the floor and away from
heat sources.
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