Craftsman 37763 Owner's Manual page 16

PROBLEM
TROUBLE SHOOTING
CAUSE
Will not start
Loss of power
Poor cut - unever
Excessive vibra-
tion
Starter rope hard
to pull
• Dirty air filter.
• Out of fuel.
• Stale fuel.
• Water in fuel.
• Spark plug wire is dis-.
connected
• Bad spark plug.
• Loose blade or broken
blade adapter.
• Control bar in released
position
• Control bar defective
• Weak battery
• Disconnected battery
connector.
• Rear of lawn mower
housing/blade dragging in
heavy grass.
• Cutting too much grass.
• Dirty air filter.
• Buildup of grass, leaves
and trash under mower.
• Too much oil in engine.
• Walking speed too fast.
• Wom, bent or loose blade.
• Wheel heights uneven.
• Buildup of grass, leaves,
and trash under mower.
• Wom, bent or loose blade.
• Bent engine crankshaft.
• Engine flywheel brake is
on when control bar is
released.
• Bent engine crankshaft
• Blade adapter broken.
• Blade dragging in grass.
CORRECTION
• Clean/replaceair filter.
• Fill fuel tank.
• Drain tank and refill with fresh
clean fuel.
• Drain fuel tank and carburetor
and refill tank with fresh gaso-
line.
• Connect wire to plug.
• Replace spark plug.
• "13ghten'blade b olt or replace
blade adaPter.
• Depress'i:ontrolbar to handle.
• Replace control bar.
• Charge battery.
• Connect battery to engine.
• Set in =Higher Cut" position.
• Set in =Higher Cut" position.
• Clean/replace air filter.
• Clean underside of mower
housing.
,, Check oil level.
• Cut at slower walking speed.
• Replace blade. Tighten blade
bolt.
• Set all wheels at same height.
• Clean underside of mower
housing.
• Replace blade. Tighten blade
bolt.
• Contact an authorized service
center/department.
• Depress control bar to upper
handle before pulling starter
rope.
• Contact an authorized service
center/department.
• Replace blade adapter.
• Move lawn mower to cut grass
or to hard surface to start _
engine.
16 _