Maintenance

PROCEDURES TO BE PERFORMED AFTER

EVERY 50 HOURS OF USE

Remove the muffler, insert a screwdriver into the vent, and wipe away any carbon buildup. Wipe

away any carbon buildup on the muffler exhaust vent and cylinder exhaust port at the same time.

• Tighten all screws, bolts, and fittings.

Storage

BEFORE STORING THE BLOWER:

1.Drain a fuel tank and push the primer bulb until it becomes empty of fuel.

2.Remove the spark plug and drop a spoonful of 2-cycle oil into the cylider. Crank the engine several time and install the spark plug.

Troubleshooting guide

Case 1. Starting failure

CHECK

PROBABLE CAUSES

ACTION

fuel tank

incorrect fuel

fuel filter

fuel filter is clogged

carburetor adjustment screw

out of normal range

sparking (no spark)

spark plug is fouled/wet

 

plug gap is incorrect

spark plug

disconnected

drain it and with correct fuel

clean

adjust to normal range

clean/dry

correct (GAP: 0.6~0.7mm)

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

When your unit seems to need further service, please consult with our RedMax service shop in your area.

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RedMax HB250 manual Storage, Troubleshooting guide, Procedures to be Performed After Every 50 Hours of USE