Ferris Industries 5900636, 5900645, 5900646 manual Servicing The Mower Blades, Regular Maintenance

Regular Maintenance

SERVICING THE MOWER BLADES

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.)

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.

LOOSEN

Figure 17. Removing the Blade

3.	Raise the mower deck and secure with jack
	stands.
4.	To remove blade for sharpening, use two (2)
	15/16” wrenches to remove the nut from the top of
	the blade bolt. (Figure 17).
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		Nail
	replaced.
6.	Balance the blade as shown in Figure 18. Center
	the blade’s hole on a nail lubricated with a drop of	Figure 18.	Balancing the Blade
	oil. A balanced blade will remain level.

7.Reinstall each blade with the tabs pointing up toward deck as shown in Figure 19. 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.).

B

A

TIGHTEN

Figure 19. Installing the Blade

A.Bolt

B.Flat Washer

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