30
• Route the other end of the new drive
belt through hole in housing.
• Return mower to upright po si tion.
• Install new belt on gearcase pulley.
• Reinstall belt keeper and spring.
• Reinstall drive cover.
NOTE:
Always use factory approved belt
to assure proper fit and long life.
• Turn lawn mower on its side with air filter
and car bu re tor down.
• Reinstall blade and blade adapter.
HI-VAC MODELS:
1. Disconnect spark plug wire from spark
plug and place wire where it cannot
come in contact with plug.
2. Remove screws retaining drive cover
and remove drive cover from lawn
mower housing.
3. Remove drive cable from anchor, then
detach it and return spring from idler
arm assembly.
18" (45cm) HI-VAC MODELS:
Blade
bolt
Crankshaft
keyway
Hardened
washer
Lockwasher
Blade adapter
Key
Blade
Trailing edge
Belt
retainer
SERVICE AND ADJUSTMENTS
Drive cable
anchor
Return
spring
Drive
pulley
Housing
hole
PIVOT
Drive
belt
Idler arm
assembly
Drive cable anchor
Return spring
Belt keeper
Drive
pulley
Housing hole
PIVOT
Drive belt
Idler arm
assembly
21" (53cm) HI-VAC MODELS:
4. Pivot idler arm assembly to slacken
drive belt, then remove drive belt from
drive pulley, belt keepers and idler arm.
5. Turn lawn mower on its side. Make
sure air filter and carburetor are up.
NOTE
: Before tipping lawn mower to
remove drive belt, empty fuel tank by run-
ning engine until fuel tank is empty.
6. Remove screw securing debris shield.
Note that the debris shield has a tab
which fits into a gap in the housing.
Trailing edge
Crankshaft
Debris
shield
Screw
Blade
adapter
Hardened
washer
Lock-washer
Blade
bolt
Tab
Housing
hole
7. Use a wood block between blade and
mower hous ing to prevent blade from
turning when re mov ing blade bolt.
NOTE:
Protect your hands with gloves
and/or wrap blade with heavy cloth.
8. Remove blade bolt.
9. Remove blade, attaching hardware
(bolt, lock wash er, hardened wash er),
blade adapter and debris shield as one
assembly.
10. Remove drive belt from blade adapter
and debris shield; discard old belt.
• Position the blade adapter on the en-
gine crank shaft. Be sure key in adapter
and crankshaft keyway are aligned; and
that the drive belt is inside the tabs of
the belt retainer.
7
AS SEM BLE GRASS CATCHER
(REAR DISCHARGE MOWERS ONLY)
IMPORTANT:
If your model lawn mower
is mulcher ready, the mulcher plate or
plug must be removed before using
mower as a bagger. To convert mower to
bagging or discharging, see the Operation
section in this manual.
Look at the different grass catcher illustra-
tions that follow. Determine which type
of grass catcher you have and follow the
appropriate instructions.
Flanged
locknut
Wheel
assembly
Washer
Axle
O-Ring
Frame
handle
Frame
opening
Vinyl
bindings
INSTALL REAR WHEELS
(“HIGH WHEEL” MOWERS ONLY)
Some high wheel models require wash ers
which will be pro vid ed in a parts bag. If
provided, install washers on the axle first
as shown.
• Install one (1) rear wheel on the axle of
rear wheel adjuster.
• Install 3/8-16 locknut and tighten se-
curely.
• Repeat procedure for other rear wheel.
ASSEMBLY
INSTALL STARTER ROPE
(MODELS EQUIPPED WITH T-KNOB)
• Loosen T-knob.
• Hold control bar against upper handle.
• Slowly pull engine starter rope out until
rope will slip into loop of rope guide.
• Tighten T-knob.
Upper handle
Control bar
Engine
starter rope
Rope guide
T-Knob
