1.Blades should be sharp and free of nicks and dents. If not, sharpen blades as described in following steps.
2.To remove blade for sharpening, use a wood block to hold blade while using two 15/16” wrenches to removing the blade mounting bolt and nut (Figure 31).
3.Use a file to sharpen blade to fine edge. Remove all nicks and dents in blade edge. If blade is severely damaged, it should be replaced.
4.Balance the blade as shown in Figure 32. Center the blade’s hole on a nail lubricated with a drop of oil. A balanced blade will remain level.
5.Reinstall each blade with the tabs pointing up toward deck as shown in Figure 33. The five (5) blade spac- ers, blade, washer and bolt must be reinstalled in the exact same order in which they were removed.
Secure with a bolt and hex nut. Use a wooden block to prevent blade rotation and torque bolts to 70 ft.lbs. (94 N.m.).
WARNING
Mower blades are sharp. For your personal safety, do not handle mower blades with bare hands. Careless or improper handling of blades may result in serious injury.For your personal safety, blade mounting bolts must each be installed with a flat washer then securely tightened. Torque blade mounting bolts to
70 ft.lbs. (94 N.m.)
Regular Maintenance
LOOSEN
Figure 31. Removing the Blade
Nail
Figure 32. Balancing The Blade
B
A
TIGHTEN
Figure 33. Installing The Blade
A. 4x4 Wood Block C. Blade Bolt
B.Flat Washer
00 | 29 |