Zenoah HB250 用户手册
14
Storage
BEFORE STORING THE BLOWER:
1. Drain a fuel tank and push the primer bulb until it
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.
several time and install the spark plug.
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
When your unit seems to need further service, please consult with our RedMax service shop in your area.
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.
away any carbon buildup on the muffler exhaust
vent and cylinder exhaust port at the same time.
• Tighten all screws, bolts, and fittings.