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LAWN
MOWER
Always observe safety rules when per-
forming any maintenance.
TIRES
• Keep tires free of gasoline,
oil, or insect
control chemicals
which can harm rubber.
• Avoid stumps,
stones,
deep
ruts, sharp
objects
and other hazards
that may
cause tire damage.
DRIVE WHEELS
Check
rear drive wheels
each time you
mow to be sure they move freely.
The
wheels
not turning
freely
means
trash,
grass cuttings,
etc., may be inside the
drive wheel
and dust cover area and must
be cleaned
out to free drive wheels.
If necessary
to clean the drive wheels,
check
both rear wheels.
BLADE
CARE
For best results,
blade must be kept sharp.
Replace
a bent or damaged
blade.
CAUTION:
Use only a replacement
blade approved
by the manufacturer
of
your mower.
Using a blade
not approved
by the manufacturer
of your mower is
hazardous,
could damage
your mower
and
void your warranty.
TO REMOVE
BLADE
1.
Disconnect
spark plug wire from spark
plug and place wire where
it cannot
come
in contact
with plug.
2.
Turn lawn mower
on its side. Make
sure air filter and carburetor
are up.
3.
Use a wood
block between
blade and
mower
housing
to prevent
blade from
turning
when
removing
blade bolt.
NOTE:
Protect
your hands
with gloves
and/or
wrap blade with heavy cloth.
4.
Remove
blade bolt by turning
counter-
clockwise.
5.
Remove
blade and attaching
hardware
(bolt, lock washer,
hardened
washer).
NOTE:
Remove
the blade adapter
and
check
the key inside
hub of blade adapter.
The key must be in good condition
to work
properly.
Replace
adapter
if damaged.
TO REPLACE
BLADE
1.
Position
the blade adapter
on the en-
gine crankshaft.
Be sure key in adapter
and crankshaft
keyway
are aligned.
2.
Position
blade on the blade adapter
aligning
the two (2) holes
in the blade
with the raised
lugs on the adapter.
3.
Be sure the trailing
edge of blade (oppo-
site sharp edge) is up toward the engine.
•
4.
Install the blade bolt with the lock
washer
and hardened
washer
into
blade adapter
and crankshaft.
13
5.
Use block of wood
between
blade and
lawn mower
housing
and tighten
the
blade bolt, turning
clockwise.
• The recommended
tightening
torque
is
35-40 ft. Ibs. / 47-54
N-m.
IMPORTANT:
Blade bolt is heat treated.
If bolt needs
replacing,
replace
only with
approved
bolt shown
in the Repair
Parts
section
of this manual.
Blade adapter
Key
Crankshaft
keyway
Lockwasher
Blade
Blade
bolt
Hardened
/\
washer
Trailing edge
Crankshaft
TO SHARPEN
BLADE
NOTE:
We do not recommend
sharpening
blade - but if you do, be sure the blade is bal-
anced. Care should be taken to keep the blade
balanced.
An unbalanced
blade will cause
eventual
damage
to lawn mower
or engine.
• The blade can be sharpened
with a file
or on a grinding
wheel.
Do not attempt
to sharpen
while on the mower.
• To check
blade balance,
drive a nail into
a beam
or wall. Leave
about one inch of
the straight
nail exposed.
Place center
hole of blade over the head of the nail.
If blade is balanced,
it should
remain
in
a horizontal
position.
If either end of the
blade moves
downward,
sharpen
the
heavy end until the blade is balanced.
GRASS
CATCHER
• The grass catcher
may be hosed
with
water,
but must be dry when used.
• Check your grass catcher
often for dam-
age or deterioration.
Through
normal
use it will wear.
If catcher
needs
replac-
ing, replace
only with approved
replace-
ment catcher
shown in the Repair
Parts
section
of this manual.
Give the lawn
mower
model
number
when
ordering.
GEAR
CASE
• To keep your drive system
working
properly,
the gear case and area around
the drive should
be kept clean
and free
of trash build-up.
Clean under the drive
cover twice a season.
The gear case is filled with lubricant
to the
proper
level at the factory.
The only time
the lubricant
needs
attention
is if service
has been performed
on the gear case.
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