Service
Blade Care
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. Be certain to disconnect the power supply.
Periodically inspect the blade adapter for cracks, especially if you
strike a foreign object. Replace when necessary. Follow the steps
below for blade service.
1.
Stop the motor and disconnect the power supply to the
mower. Turn the mower on its side.
2.
Use a block of wood between blade and mower deck to
prevent the blade from turning when the bolt is removed.
3.
Loosen and remove the blade bolt, locking plate, and
blade. See Fig. 7-1.
Locking
Plate
Figure 7-1
4.
The blade can be sharpened with a file or on a grinding
wheel. Do not attempt to sharpen the blade while it is still
on the mower. When sharpening the blade, follow the
original angle of grind and grind each cutting edge equally
to keep the blade balanced. Balance the blade on a round
shaft screwdriver. Remove metal from the heavy side until
it balances evenly.
5.
Place the cutting blade, locking plate, and blade bolt on
the motor shaft and thread the blade bolt in finger tight.
Refer to Fig. 7-1.
NOTE: Make certain to replace the parts in the exact order
in which they were removed. When installing the cutting
blade, be sure it is installed with the curved ends pointing
towards the mower deck and not towards the ground.
6.
Torque the blade bolt down using a torque wrench to
assure the bolt is tightened properly. The recommended
torque for the blade bolt is 170-220 in. lbs.
To insure safe operation of your unit, all nuts and bolts must be
checked periodically for correct tightness.
Off-Season Storage
Blade
The following steps should be taken to prepare your lawn mower
for storage.
•
Clean and lubricate mower thoroughly as described in the
lubrication instructions.
•
We do not recommend the use of a pressure washer or
garden hose to clean your unit.
Blade
•
Make certain the power supply is disconnected.
Bolt
•
Coat mower's cutting blade with chassis grease to prevent
rusting.
•
Store mower in a dry, clean area. Do not store next to
corrosive materials, such as fertilizer.
•
Wipe extension cord to remove any foreign substance such
as oil or stains. Replace extension cord if cut or damaged in
any way.
•
Wind cord in a series of equal loops on each side of your
hand to prevent snarling.
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.
WARNING:
The blade hardware is not only used to
attach the blade assembly, but is also an insulated
safety device and should never be altered in any
way. If replacement is necessary, use original
equipment parts as shown in the parts list.
7
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