Craftsman 917.37841 Lawn Mower User Manual


 
AIR FILTER
Your engine will not run properly and may
be damaged by using a dirty air filter.
Replace the air filter every year, more
often if you mow in very dusty, dirty
conditions. Do not wash air filter.
TO CHANGE AIR FILTER
1. Remove the air filter by turning
clockwise to the stop and pull away
from collar.
2. Remove filter from inside of cover.
3. Clean the inside of the cover and the
collar to remove any dirt accumula-
tion.
4. Insert new filter into cover.
5. Put air filter cover and filter into collar
aligning the tab with the slot.
6. Push in on cover and turn counter-
clockwise to tighten.
Collar
Turn
_lockwise
remove
Slot
Airfilter
Air filter cover
Turn
counter-
clockwise
to tighten
MUFFLER
Inspect and replace corroded muffler as it
could create a fire hazard and/or dam-
age.
SPARK PLUG
Change your spark plug each year to
make your engine start easier and run
better. Set spark plug gap at .030 inch.
CLEANING
IMPORTANT: For best performance,
keep mower housingfree of buiLt-up
grass and trash. Clean the underside of
your mower after each use.
_b.CAUTION: Disconnect spark plugwire
from spark plug and place wire where it
cannot come in contact with the spark
plug.
Clean the underside of your lawn
mower by scraping to remove build-up
of grass and trash.
Clean engine often to keep trashfrom
accumulating. A clogged engine runs
hotter and shortens engine life.
Keep finished surfaces and wheels free
of all gasoline, oil,etc.
We do not recommend using a garden
hose to clean lawn mower unless the
electricalsystem, muffler, air filter and
carburetor are covered to keep water
out. Water in engine can result in
shortened engine life.
CLEAN UNDER DRIVE COVER
Clean underdrive cover at least twice a
season. Scrape undersideof cover with
putty knife or similartool to remove any
build-up of trash or grasson underside of
drive cover.
ACAUTION: Before performing any
service or adjustments:
1. Release control bar and stop engine.
2. Make sure the blade and all moving
parts have completely stopped.
3. Disconnect spark plug wire from spark
plug and place where it cannot come
in contact with plug.
LAWN MOWER
TO ADJUST CUTTING HEIGHT
See "TO ADJUST CUTTING HEIGHT" in
the Operation section of this manual
REAR DEFLECTOR
The rear deflector, attached between the
rear wheels of your mower, is provided to
minimize the possibilitythat objects will
be thrown out of the rear of the mower
into the operator mowing position, If the
deflector becomes damaged, it should be
replaced,
13
TO REMOVE/REPLACE DRIVE BELT
1. Remove drive cover. Remove belt
from gearcase pulley by pushing
down on pulley and rolling belt off it.
2. Turn lawn mower on its side with air
filter and carburetor up.
3. Remove blade.
4. Remove debds shield.
5. Remove belt from engine pulley on
crankshaft.
6. InstaU new belt by reversing above
steps.
7. Always use factory approved belt to
assure fit and long life.
Drive
Belt
Push
down