Blade and Belt
9
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
29° to 32° angle.
IMPORTANT: If the cutting edge of the blade has already
been sharpened to within 1 5/8” from the back edge at the
smallest point, or if any metal separation is present,
replace the blades with new ones. See Figure 2.4.
• It is important that each cutting blade edge be ground
equally to maintain proper blade balance.
• The blade can be tested by using a blade balancer.
Grind metal from the heavy side until it balances
evenly.
NOTE: MTD blade balancer AR-SBB-102 or the blade bal-
ancing kit, AR-BSK-1 can be used to balance the blade.
See Figure 2.5.
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Figure 2.4
Figure 2.5
AR-BSK-1
AR-SBB-102
A poorly balanced blade will
cause excessive vibration and
may cause damage to the
mower and result in personal injury.
! CAUTION! CAUTION
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