Use and Care Manual

Service
7
16
Blade Sharpening
To properly sharpen the cutting blades, remove equal amounts
of metal from both ends of the blades along the cutting edges,
parallel to the trailing edge, at a 25° to 30° angle. See Fig. 7-2.
NOTE: It is important that each cutting blade edge be ground
equally to maintain proper blade balance. The blade can be
tested by balancing it on a round shaft screwdriver. Grind metal
from the heavy side until it balances evenly.
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.
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 assembly for cracks, especially if
you strike a foreign object. Replace when necessary. Follow the
steps below for blade service.
Stop the motor and disconnect the power supply to the 1.
mower. Turn the mower on its side.
Use a block of wood between blade and mower deck to 2.
prevent the blade from turning when the bolt is removed.
Loosen and remove the blade bolt, locking plate, and 3.
blade. See Fig. 7-1.
The blade can be sharpened with a file or on a grinding 4.
wheel. Do not attempt to sharpen the blade while it is still
on the mower.
Blade Bolt
Locking
Plate
Blade
Block of
Wood
Figure 7-1
Figure 7-2