Service And Adjustments - Craftsman 917.375452 Owner's Manual

CLEAN UNDER DRIVE COVER
Clean under drive cover at least twice a
season. Scrape underside of cover with
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 deflector, 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. Re-
place the deflector if dam aged.
TO REMOVE DRIVE BELT
1. Remove drive cover and belt keeper.
2. Remove belt from gearcase pulley.
NOTE: Before tipping lawn mower to
remove drive belt, empty fuel tank by run-
ning engine until fuel tank is empty.
3. Turn lawn mower on its side with air
filter and car bu re tor up.
4. Remove blade and blade adapter.
5. Remove belt from engine pulley.
Belt

SERVICE AND ADJUSTMENTS

Drive
cover
Gearcase
pulley
Belt
keeper
17
putty knife or similar tool to remove any
build-up of trash or grass on underside of
drive cover.
TO REPLACE DRIVE BELT
1. Place new drive belt on engine pulley,
inside tabs of belt retainer.
2. Route the other end of the new drive
belt through hole in housing.
3. Reinstall blade adapter and blade.
The recommended tightening torque
is 35–40 ft. lbs.
4. Return mower to upright po si tion.
5. Install new belt on gearcase pulley.
6. Reinstall belt keeper and drive cover.
NOTE: Always use factory approved belt
to assure proper fit and long life.
Blade adapter Key
Lockwasher
Blade
Blade
bolt
Hardened
washer Trailing edge
TO ADJUST HANDLE
The handle on your lawn mower has three
(3) height positions - adjust to height that
suits you.
1. Remove knob and carriage bolt on
one side of the lower handle.
2. While holding handle assembly,
remove knob and car riage bolt from
opposite side, align hole in handle with
desired hole in handle bracket and
reassemble bolt and knob and tighten
securely.
3. Align opposite side of handle with
same positioning hole and secure with
bolt and knob.
Handle Knob Bolt
bracket
Crankshaft
keyway
Belt
retainer
High
Medium
Low