Toro 30353 Operator's Manual page 19

2. Remove the blade bolt, anti-scalp plate, and blade from
the spindle shaft (Figure
Sharpening the Blades
WARNING
When sharpening blade, pieces of blade could be
thrown and cause serious injury.
Wear proper eye protection when sharpening
blades.
1. Sharpen the cutting edge at both ends of the blade
(Figure 21). Maintain the original angle. The blade
retains its balance if the same amount of material is
removed from both cutting edges.
Figure 21
1. Sharpen at original angle
2. Check the balance of the blade by putting it on a blade
balancer (Figure 22). If the blade stays in a horizontal
position, the blade is balanced and can be used. If the
blade is not balanced, file some metal off the end of
the sail area only (Figure
until the blade is balanced.
Figure 22
1. Blade
Installing the Blades
1. Install the blade onto the spindle shaft
Important: The curved part of the blade must be
pointing upward toward the inside of the mower to
ensure proper cutting.
2. Install the anti-scalp plate and blade bolt
23).
23). Repeat this procedure
2. Balancer
(Figure 23).
(Figure 23).
1. Spindle
2. Sail Area of Blade
3. Torque the blade bolt to 115-150 N⋅m (85-110 ft-lb).
Correcting Mower Mismatch
If the cut is uneven across the mower swath, correct it as
follows:
1. Position the machine on a level surface on the shop
floor.
2. Set the cutting unit to the desired height of cut, move
the throttle lever to the Slow position, stop the engine,
set the parking brake, and remove the ignition key.
3. Check and adjust front and rear tractor tire pressure;
refer to Checking Tire Pressure.
4. Check for bent blades.
5. Remove the covers from the top of the cutting units.
6. Rotate the blade on each spindle until the ends face
forward and backward.
7. Measure from the floor to the front tip of the cutting
edge.
8. Adjust the jam nuts securing the mower yokes/chains
to the mower until the mower is level
19
Figure 23
3. Anti-scalp plate
4. Blade Bolt
(Figure 24).