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14
LAWN MOWER
Always observe safety rules when performing any main-
te nance.
TIRES
• Keep tires free of gasoline, oil, or insect control chem i-
cals 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 drive wheels, check both rear wheels.
BLADE CARE
For best results, mower blade must be kept sharp. Re place
bent or dam aged blades.
MAINTENANCE
11
9
10
8
7
3
2
6
1
4
5
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.
CAUTION: Protect your hands with gloves and/
or wrap blade with heavy cloth.
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 hous ing
to prevent blade from turning when re mov ing blade bolt.
4. Remove blade bolt by turning counter-clockwise
(Figure 20).
5. Remove blade and attaching hardware (bolt, lock
wash er and hardened wash er).
6. Remove screw securing debris shield.
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 engine 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 (Figure 20).
2. Install debris shield using screw.
3. Position blade on the blade adapter.
IMPORTANT: TO ENSURE PROPER AS SEM BLY, CENTER
HOLE IN BLADE MUST ALIGN WITH STAR ON BLADE
ADAPTER.
Figure 20
1. Crankshaft
keyway
2. Key
3. Blade adapter
4. Debris shield
5. Screw
6. Blade
7. Belt retainer
8. Trailing edge
9. Hardened washer
10. Lock washer
11. Blade bolt
4. Be sure the trailing edge of blade (opposite sharp edge)
is up toward the engine.
5. Install the blade bolt with the lock washer and hardened
washer into blade adapter and crankshaft.
6. 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. lbs.
IMPORTANT: BLADE BOLT IS HEAT TREATED. IF BOLT
NEEDS REPLACING, REPLACE ONLY WITH APPROVED BOLT.