Servicing The Mower Blades - Ferris Hydrowalk Series DDSKAV15CE Operator's Manual

Regular Maintenance

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.).
WARNING
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.)
Figure 13. Removing the Blade
Figure 14. Balancing the Blade
Figure 15. Installing the Blade
A. Bolt
B. Flat Washer
18
LOOSEN
Nail
B
A
TIGHTEN