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GB - 21
Do not change angle of cutting edge or round
the corner at the end of mower blade.
2. Sharpen mower blade by removing an
equal amount of material from each end
of mower blade.
3. Check mower blade balance by sliding
mower blade on an unthreaded bolt. If
blade is balanced, it should remain in a
horizontal position. If either end of
mower blade moves downward, sharpen
the heavy end until mower blade is
balanced.
4. Install mower blade on unit (see
REPLACING MOWER BLADE on
page 20).
ADJUSTING ANTI-SCALP
ROLLER
NOTE: The anti-scalp rollers are intended to
prevent lawn scalping, not to control cutting
height. All anti-scalp rollers should be set at
the same height.
See figure 16 for anti-scalp locations on
models 915067, 055, 057, 059, 501. See
figure 17 for anti-scalp locations on models
915065 and 502.
There are two positions:
• Highest Position: Use to disable
anti-scalp feature.
• Lowest Position: Use for all cutting
positions.
In the lowest position the anti-scalp rollers will
touch the ground.
1. Air Lift Erosion
Area
2. Cutting Edge
Figure 15
OE0052
2
1
DO NOT Sharpen to this Pattern
Sharpen to this Pattern
DISCARD
if more
than 1/2 in.
(1.27 cm)
Figure 16
OE0038
1
1. Anti-scalp
Roller
2. Lowest Position
3. Highest
Position
3
2
1
3
2
Models 915067, 055, 057, 059, 501