Servicing the Mower Blades, 4x4 Wood Block

Regular Maintenance

4x4 Wood Block

LOOSEN

Figure 22. Removing the Blade

SERVICING THE MOWER BLADES

WARNING

For your personal safety, do not handle the sharp mower blades with bare hands. Careless or improper handling of blades may result in serious injury.

Service Interval: Every 100 Hours or As Required

NOTE: Replace blades and bolts in sets.

1.Remove mower from the tractor. See Mower Installation & Removal.

2.Blades should be sharp and free of nicks and dents. If worn or damaged, replace the blades as described in following steps.

3.To remove the blade, use a wood block to hold blade while removing the blade mounting capscrew (Figure 22).

4.Install the new blades with the lift tabs pointing up toward deck (Figure 23). Secure with a capscrew (E), spring washer (D), spline washer (C), and alignment pin (B) (be certain the spline washer is aligned with the shaft). Use a wooden block to prevent blade rota- tion and torque capscrews to 45-55 ft.lbs. (61-75 N.m.).

WARNING

For your personal safety, blade mounting capscrews must each be installed with a spline washer and spring washer, then securely tightened. Torque blade mounting capscrew to 45 - 55 ft. lbs. (61 - 75 N.m.)

5.Check that the mower blades are timed perpendicular to each other (see Figure 24). If not, remove the blade and rotate the adapter (A, Figure 23).

A	B
	C
	D
	E

Figure 23. Installing The Blade

A. Adapter

D. Cup Washer

B. Alignment Pin

E. Capscrew

C. Spline Washer

Figure 24. Blade Timing

CHECK MOWER BLADE TIMING

Service Interval: Yearly

1.Remove mower from the tractor. See Mower Installation & Removal.

2.Check that the mower blades are perpendicular to each other (Figure 24). If not, remove the blade and rotate the adapter (A, Figure 23) using the procedure outlined in Servicing the Mower Blades