Craftsman 917.37742 Lawn Mower User Manual


 
CYUNDER
° Remove spark plugo
o Pour one ounce (29 ml) of oil through spark
plug hole into cylinder.
° Puttstarter handle slowly a few times toc[_
tn'buteoil.
o Replace with new spark plug_
OTHER
° Do not store gasoline from one season to
another,
o Replace your gasoline can if your can starts
to rust. Rust and!or dirt in your gasoline will
cause problems,
o If possible, store your unit indoors and cover it
to give protection from dust and dirt,
o Cover your unit with a suitable protective
cover that does not retain moisture. Do not
use plastic. Plastic cannot breathe which
allows condensation to form and will cause
your unit to rust,
IMPORTANT: Never cover mower while engine
and exhaust areas are still warm.
CAbTION: Never'store the lawn mower with
gasoline in the tank inside a building where
fumes may reach an open flame or spark
Allow the engine to cool before storing in any
enclosure.
tROUBLESHOOTING CHART
PROBLEM
Does not start
Loss of power
CAUSE
o Dirty air filter,,
= Out of fuel.
o Stale fuel.
o Water in fuel.
= Spark plug wire is
disconnected.
CORRECTION
o CleanJreplace air filter:
° Fill fuel tank.
= Drain tank and refill with
fresh clean fuel.
° Drain fuel tank and
carburetor and refill tank
with fresh gasoline,,
Connect wire to plug.
o
adapter.
o Control bar in released
position.
° Control bar defective.
Bad spark plug. °
Loose blade or broken blade o
o Rear of lawn mower housing
or cutting blade dragging
in heavy grass.
o Cutting too much grass.
o Dirty air filter.
° Buildup of grass, leaves,
and trash under mower_
oToo much oilin engine.
oWalking speed too fast.
Replace spark plug_
"l]ghten blade bolt or
replace blade adapter.
Depress control bar to
handle.
Replace control bar.
Set to "Higher Cut"
position.
o Set to "Higher Cut"
position.
o Clean/replace air filter.
o Clean underside of mower
housing.
= Check oil level.
= Cut at slower walking
speed.
' : .,, : 16 ',.'