Regular Maintenance
4x4 Wood Block
LOOSEN
Figure 24. 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 24).
4.Install the new blades with the lift tabs pointing up toward deck (Figure 25). 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
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 26). If not, remove the blade and rotate the adapter (A, Figure 25).
A | B |
| C |
| D |
| E |
Figure 25. Installing The Blade
A. Adapter | D. Cup Washer | ||||||||||||||||||||
B. Alignment Pin | E. Capscrew | ||||||||||||||||||||
C. Spline Washer |
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Figure 26. 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 26). If not, remove the blade and rotate the adapter (A, Figure 25) using the procedure outlined in Servicing the Mower Blades
24