Simplicity SunStar 1692521 - Servicing the Mower Blades.17

Normal Care
*1687
Blade Mounting
Capscrew
Figure 21. Removing The Blade
SERVICING THE MOWER BLADES
1. Remove mower from the tractor.
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 21).
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 22. Center the
blades’ hole on a nail lubricated with a drop of oil. A
balanced blade will remain level.
A. Wooden Block C. Cup Washer
B. Spline Washer D. Capscrew
6. R einstall each blade with the tabs pointing up toward
deck as shown in figure 23. 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 Nm.).
A 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.
&WARNING
For your personal safety, blade mounting cap¬
screws 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.)
17