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LAWN MOWER
Always observe safety rules when perform-
ing 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 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 hard-
ware (belt, lock washer and 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 (op-
posite sharp edge) is up toward the
engine.
4. Install the blade bolt with the lock wash-
er and hardened washer into blade
adapter and crankshaft.
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,
IMPORTANT: Blade bolt is heat treated.
If bolt needs replacing, replace only with
approved bolt shown in the Repair Parts
15
section of this manual.
Bladeadapter Key
Lockwasher_
bolt Hardened
washer
Crankshaft
)
Crankshaft
TO SHARPEN BLADE
NOTE: We do not recommend sharpening
blade - but if you do, be sure the blade is
balanced. An unbalanced blade willcause
eventual damage to lawn mower or engine.
• The blade can be sharpened with a file
or on agrinding 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 isbalanced.
ENGINE
Read the maintenance section of your
engine manual,
LUBRICATION
Change the oil after the first two hours of
operation and every 25 hours thereafter or
at least oncea year if the lawn mower is
not used for 25 hours in one year. Refer to
engine manual.
TO CHANGE ENGINE OIL
(SEE ENGINE MANUAL)
• Be sure lawn mower is on level surface.
, Oil will drain more freely when warm,
- Catch oil in a suitable container.
° For engines without dipstick, remove
bottom oil drain plug.
- For engines with oil fill ¢aptdipstick,
remove bottom drain plug or remove en-
gine oil cap and turn mower on its side,
. After oil has drained completely, replace
oil drain plug and tighten securely.
, Refill enginewith oil. Pour slowly, Do
not overfill.
- Fill to top of slot inside of filler hole or
to "FULU' line on dipstick on models so
equipped. Keep oil at proper level.
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