13
SERVICE AND MAINTENANCE
Blade
Blade
Adapter
Bolt
Blade Bell
Support
Figure 12
BlADe CAre
Periodically inspect the blade adapter for cracks, especially if you
strike a foreign object. Replace when necessary. Follow the steps
below for blade service.
Disconnect spark plug boot from spark plug. Turn mower on its
1.
side making sure that the air filter and the carburetor are facing
up.
Remove the bolt and the blade bell support which hold the blade
2.
and the blade adapter to the engine crankshaft. See Figure 12.
Remove blade and adapter from the crankshaft.
3.
Remove blade from the adapter for testing balance. Balance the
4.
blade on a round shaft screwdriver to check. Remove metal from
the heavy side until it balances evenly. When sharpening the
blade, follow the original angle of grind. Grind each cutting edge
equally to keep the blade balanced.
Lubricate the engine crankshaft and the inner surface of the blade
5.
adapter with light oil. Slide the blade adapter onto the engine
crankshaft. Place the blade on the adapter such that the side of
the blade marked “Bottom” (or with part number) faces the ground
when the mower is in the operating position. Make sure that the
blade is aligned and seated on the blade adapter flanges.
Place blade bell support on the blade. Align notches on the blade
6.
bell support with small holes in blade.
Replace hex bolt and tighten hex bolt to torque: 450 in. lbs. min.,
7.
600 in. lbs. max.
To ensure safe operation of your mower, periodically check the blade
bolt for correct torque.
WArNING
When removing the cutting blade for sharpening or replacement,
protect your hands with a pair of heavy gloves or use a heavy rag to
hold the blade.
WArNING
An unbalanced blade will cause excessive vibration when rotating at
high speeds. It may cause damage to mower and could break causing
personal injury.
Off-SeASON STOrAGe
The following steps should be taken to prepare your lawn mower for
storage.
1. Clean and lubricate mower thoroughly as described in the lubrica-
tion instructions.
2. We do not recommend the use of a pressure washer or garden
hose to clean your unit.
3. Refer to engine manual for correct engine
storage instructions.
4. Coat mower’s cutting blade with chassis grease to prevent rusting.
5. Store mower in a dry, clean area. Do not store next to corrosive
materials, such as fertilizer.
NOTE: When storing any type of power equipment in a poorly
ventilated or metal storage shed, care should be taken to rust-proof the
equipment. Using a light oil or silicone, coat the equipment, especially
cables and all moving parts of your lawn mower before storage.
WArNING
Never store lawn mower with fuel in tank indoors or in poorly
ventilated areas where fuel fumes may reach an open flame, spark,
or pilot light as on a furnace, water heater, clothes dryer, or gas
appliance.
