Zenoah HB250 Benutzerhandbuch

14 

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.

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

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. 

■ PROCEDURES TO BE PERFORMED AFTER

• 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.