Mower Blade Service - Simplicity 1691682 Service & Repair Manual

Figure 6. 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.
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 6).
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 7. 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 Figures 8 and 9. Secure with a cap-
screw (D), cup washer (C) and spline (or hex) washer
(B). Use a wooden block to prevent blade rotation
and torque capscrews to 50-70 ft.lbs. (67-95 N.m.).
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.)
Figure 7. Balancing The Blade
LOOSEN
Figure 8. Installing The Blade - Early Models
A. Wooden Block
B. Spline Washer
Figure 8. Installing The Blade - Early Models
A. Wooden Block
B. Hex Washer
3 - 7
Mower Blade Service
A
C. Cup Washer
D. Capscrew
A
C. Cup Washer
D. Capscrew
3 Maintenance
B
C
D
TIGHTEN
B
C
D