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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.
BLADE CARE
For best results, mower blade must be kept
sharp.
Replace bent or damaged blades.
A 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, Iockwasher and hardened washer).
TO REPLACE
BLADE
1. Position blade on the blade adapter
aligning the two (2) holes in the blade
with the raised lugs on the adapter.
2.
Be sure the trailing edge of blade (oppo-
site sharp edge) is up toward the engine.
3. Install the blade bolt with the lock
washer and hardened washer into
blade adapter and crankshaft.
4.
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.
Blade adapter
Ke
Crankshaft
keyway
Lockwasher
Blade
IMPORTANT:
Blade bolt is heat treated.
If bolt needs replacing,
replace only with
approved bolt shown in the Repair Parts
section of this manual.
TO SHARPEN
BLADE
NOTE: We do not recommend
sharp-
ening the blade - but if you do, be sure
the blade is 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.
RASS CATCHER
G
o
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.
ENGINE
LUBRICATION
Use only high quality detergent
oil rated
with
API
service
classification
SJ-SL.
Select the oil's SAE viscosity grade according
to your expected operating temperature.
SAE ViSCOSiTY
GRADES
liIIl_
4
°F-20
0
2TO
3T2
4TO
6,0
8,0
100
_C-:30
-50
-i0
0
17
2:0
3:0
4:0
TEMPERATURE
RANGE
EXPECTED
BEFORE
NEXT
OIL CHANGE
Change the oil after every 25 hours of
operation or at least once a year if the
lawn mower is not used for 25 hours in
one year.
Check the crankcase oil level before
starting the engine and after each five (5)
hours of continuous
use. Tighten oil plug
securely each time you check the oil level.
Blade
bolt
Hardened
.....
::',::,
/
\
washer
Trailing edge
TO CHANGE ENGINE OIL
NOTE:
Before tipping lawn mower to
drain oil, empty fuel tank by running en-
5gine until fuel tank is empty.
Crankshaft
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