Service And Adjustments - Craftsman 917.37658 Owner's Manual

CAUTION: Disconnect spark plug wire
from spark plug and place wire where it
cannot come in contact with plug.
• Clean the underside of your lawn mower
by scraping to remove build-up of grass
and trash.
• Clean engine often to keep trash from
accumulating. A clogged engine runs
hotter and shortens engine life.
• Keep fi nished surfaces and wheels free
of all gasoline, oil, etc.
WARNING: To avoid serious injury,
before performing any service and
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 wire where it cannot
come in contact with plug.
LAWN MOWER
TO ADJUST CUTTING HEIGHT
See "TO ADJUST CUTTING HEIGHT" in
the Operation sec tion of this manual.
REAR DEFLECTOR
The rear defl ector, attached between the
rear wheels of your mower, is provided to
minimize the possibility that objects will
be thrown out of the rear of the mower
into the operator mowing position. If the
defl ector becomes dam aged, it should be
replaced.
TO REMOVE DRIVE BELT
1. Remove drive cover and belt keeper.
2. Remove belt from gearcase pulley by
push ing down on pulley and rolling belt
off it.
3. Turn lawn mower on its side with air
fi lter and car bu re tor down.
4. Remove blade and debris shield.
5. Remove belt from engine pulley on
crankshaft.
TO REPLACE DRIVE BELT
1. Install new belt on engine pulley.
2. Reinstall debris shield and blade.
3. Return mower to upright po si tion.
4. Install new belt on gearcase pulley.
5. Reinstall belt keeper and drive cover.
NOTE: Always use factory approved belt
to assure fi t and long life.

SERVICE AND ADJUSTMENTS

15
• We do not recommend using a garden
hose to clean lawn mower unless the
elec tri cal system, muffl er, air fi lter and
carburetor are covered to keep water
out. Water in engine can result in short-
ened engine life.
CLEAN UNDER DRIVE COVER
Clean under drive cover at least twice a sea-
son. Scrape underside of cover with putty
knife or similar tool to remove any build-up
of trash or grass on underside of drive cover.
Belt
keeper
Belt
TO ADJUST HANDLE
The handle can be mounted in a high or
low position. The mounting holes in the
bottom of lower handle are off center for
raising or lowering the handle.
1. Remove upper handle and wire tie(s)
securing cable(s) to lower handle.
2. Remove hairpin cotters from lower
handle bracket mount ing pin.
3. Squeeze lower handle in to remove it
from mounting pins.
4. Turn lower handle over to raise or
lower handle.
5. Squeeze lower handle in and po si tion holes
onto mount ing pins on handle bracket.
6. Reassemble upper handle and all
parts removed from lower handle.
Mowing
position
Hairpin
cotter
Mounting
pin
LOW POSITION
Drive
cover
PUSH
DOWN
Mowing
position
Handle
bracket
HIGH POSITION