Mower Blade Service - Simplicity LTH series Service Manual

Figure 7. Removing The Blade
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.

MOWER BLADE SERVICE

1. Remove mower from the tractor. See Operators
Manual.
2. Blades should be sharp and free of nicks and dents.
If not, sharpen blades as described in following steps.
3. To remove blade for sharpening, use wooden block
to hold blade while removing the blade mounting cap-
screw (Figure 7).
4. Use a file to sharpen blade to fine edge. Remove all
nicks and dents in blade edge. If blade is severely
damaged, it should be replaced.
5. Balance the blade as shown in Figure 8. Center the
blades' hole on a nail lubricated with a drop of oil. A
balanced blade will remain level.
6. Reinstall each blade with the tabs pointing up toward
deck as shown in Figure 9. Secure with a capscrew
(D), cup washer (C) and spline washer (B). Use a
wooden block to prevent blade rotation and torque
capscrews to 50-70 ft.lbs. (67-95 N.m.).
Figure 8. Balancing The Blade
A
Figure 9. Installing The Blade
A. 4X4 Wooden Block
B. Spline Washer
Blade mounting capscrews must each be
installed with a cup washer and spline washer,
then securely tightened. Torque blade mounting
capscrew to 50-70 ft.lbs. (67-95 N.m.)
3 - 7
3 Maintenance
Mower Blade Service
B
TIGHTEN
C. Cup Washer
D. Capscrew
WARNING
C
D