Ferris Industries Ddskav15 - Manual (Page 20)

18
SERVICING THE MOWER BLADES
1. Blades should be sharp and free of nicks and dents.
If not, sharpen blades as described in following
steps.
2. Remove the deck guard.
3. Raise the mower deck and secure with jackstands.
4. To remove blade for sharpening, use two (2) 15/16”
wrenches to remove the nut from the top of the blade
bolt. (Figure 13).
5. Use a file or hand-held grinder, sharpen blade to fine
edge. Remove all nicks and dents in blade edge. If
blade is severely damaged, it should be replaced.
6. Balance the blade as shown in Figure 14. Center the
blade’s hole on a nail lubricated with a drop of oil. A
balanced blade will remain level.
7. Reinstall each blade with the tabs pointing up toward
deck as shown in Figure 15. The blade spacers,
blade, washer and bolt must be reinstalled in the
exact same order in which they were removed.
Torque bolts to 70-90 ft.lbs. (94-120 N.m.).
LOOSEN
TIGHTEN
Nail
Figure 13. Removing the Blade
Figure 14. Balancing the Blade
Figure 15. Installing the Blade
A. Bolt
B. Flat Washer
B
A
Regular Maintenance
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
70-90 ft.lbs. (94-120 N.m.)