Owner Service
21
MAN1313 (3/3/2021)
Figure 17
. Belt Routing
BLADE SERVICING
Before dismounting power unit or performing
any service or maintenance, follow these steps:
disengage power to equipment, lower the 3-point
hitch and all raised components to the ground,
operate valve levers to release any hydraulic pres-
sure, set parking brake, stop engine, remove key,
and unfasten seat belt.
Keep all persons away from operator control
area while performing adjustments, service, or
maintenance.
Frequently check blades. They should be sharp,
free of nicks and cracks, and securely fastened.
1.
Inspect blades before each use to determine that
they are mounted securely and are in good condi-
tion.
2.
Replace any blade that is bent, excessively nicked,
worn, or has any other damage. Do not repair.
3.
Small nicks can be ground out when sharpening.
Remove Blades
CAUTION!:
Do not handle blades with bare hands.
Wear gloves. Careless or improper handling may result
in inujury.
1.
Remove bolt (79), Figure 19, which has right hand
threads.
2.
Remove belville washers (78) and blade (77).
Sharpen Blades
NOTICE:
When sharpening blades, be sure to bal-
ance them. Unbalanced blades will cause exces-
sive vibration that can damage blade spindle
bearings. Vibration may also cause structural
cracks in mower housings.
Figure 18
. Blade Balancing
1.
Follow original sharpening pattern.
2.
Do not sharpen blade to a razor edge, but leave
approximately 1/64" blunt edge.
3.
Do not sharpen back side of blade.
4.
Sharpen both cutting edges equally to keep blade
balanced. Balance blade using the method shown
in Figure 18.
Install Blades
Your dealer can supply genuine replacement
blades. Substitute blades may not meet original
equipment specifications and may be dangerous.
NOTICE:
When installing blade, the lift of the blade
must be toward the spindle blade housing as
shown in Figure 19. Torque bolt (79) into shaft
assembly to 100 lbs-ft.
1.
Place blade over the bottom of the shaft assembly.
2.
Place Belleville washer (78) over blade and insert
blade bolt (79). Torque blade bolt to 100 lbs-ft.
Figure 19
. Blade and Spindle Assembly
WARNING
CAUTION
CAUTION
