Craftsman 37763 Lawn Mower User Manual


 
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'bladebolt 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 _