Sharpening the Blades
WARNING
When sharpening blades, pieces of a blade could be
thrown and cause serious injury.
Wear proper eye protection when sharpening
blades.
1.
Use a file to sharpen the cutting edge at both ends of
the blade (
).
Note:
Maintain the original angle.
Note:
The blade retains balance if the same amount
of material is removed from both cutting edges.
Figure 95
1.
Sharpen at the original angle
2.
Check the balance of the blade by putting it on a blade
balancer (
Note:
If the blade stays in a horizontal position, the
blade is balanced and ready to use.
Figure 96
1.
Blade
2.
Balancer
3.
If the blade is not balanced, file some metal off the end
of the sail area only (
).
4.
Repeat this procedure until the blade is balanced.
Installing the Blades
1.
Install the blade onto the spindle shaft (
Important:
The curved part of the blade must
point upward toward the inside of the mower to
ensure proper cutting.
2.
Install the spring disk and the blade bolt. The spring
disk cone must be installed toward the bolt head
(
). Torque the blade bolt to 115 to 150 N∙m
(85 to 110 ft-lb).
Figure 97
1.
Sail area of blade
3.
Curved washer
2.
Blade
4.
Blade bolt
Removing the Mower Deck
WARNING
Deck lift arm assemblies have stored energy.
Removing the deck with out releasing the stored
energy can cause serious injury or death.
Do not attempt to disassemble the deck from the
front frame without locking out the stored energy.
Before servicing or removing the mower deck, lock out the
spring-loaded deck arms.
1.
Shut off the engine, wait for all moving parts to stop,
and remove the key. Engage the parking brake.
2.
Remove the height-adjustment pin and lower the deck
to the ground.
3.
Place the height-adjustment pin in the 7.6 cm (3 inch)
cutting-height location.
4.
Remove the belt covers.
5.
Lift up the floor pan and insert a ratchet into the square
hole in the deck idler (
).
6.
Rotate the deck idler clockwise and remove the mower
belt (
59
