Not for
Reproduction
35
5. Use a grinder, hand file, or electric blade sharpener to
sharpen the mower blades by removing an equal amount
of material from the cutting edge of each end of the blade.
6. Keep the original bevel (A, Figure 42) when grinding. DO
NOT change the mower blade bevel.
42
7. The mower blade should have a maximum of 1/64" (0,40
mm) cutting edge (B) or less.
CAUTION
Thrown objects hazard.
An unbalanced mower blade can create excessive vibration
and damage the unit, or cause mower blade failure resulting
in thrown debris.
Be sure blade is balanced before installing.
8. Clamp a nail in a bench vise, hang the blade on the nail,
and position the blade in a level horizontal position as
shown in Figure 43.
43
9. Check the balance of the blade. If either end of the
blade moves downward the end that moves downward
is heavier than the other. Sharpen the heavy end until
balance is achieved.
10. Repeat the process until the mower blade remains in the
horizontal, level position.
Installing the Mower Blades
CAUTION
Laceration hazard.
Mower blades are sharp.
Always wear gloves when handling, or working near, mower
blades.
1. Install each mower blade with the air lifts (C, Figure 44)
pointing up towards the mower deck as shown in Figure
44 and secure with the mower blade mounting bolt (A)
and flat washer (B).
44
2. Wedge a wooden block (D) between the mower blade
and the mower deck housing to keep the mower blade
from turning and torque the blade mounting bolt to 120 ft.
lbs (163 Nm).
Cutting Height Adjustment
The cutting height is adjustable between 1-3/4" (4,5 cm) and
5" (12,7 cm) in 1/4" (0,64 cm) increments. Figure 45 depicts
the cut height plate and the cut height decal for the unit. This
figure is intended to help you better understand the available
cutting heights for this unit.
