MAINTENANCE
NOTE: Mower blades must be timed perpendicular to
each other.
1. Remove mower deck (see “Mower Deck Removal”).
2. To remove blade for sharpening, use a block of wood
(Figure 16) to prevent blade rotation while loosening
the capscrew.
3. Remove the bolt (
A
, Figure 17), spring washer (
B
),
and blade.
4. Use a file to sharpen blade to a fine edge. If blade is
damaged, it must be replaced.
5. Balance the blade as shown in Figure 18. Center the
blade’s hole on a nail lubricated with a drop of oil. A
balanced blade will remain level.
6. Reinstall the blade (Figure 17) with the tabs pointing
up toward the mower deck as shown. Reinstall the
spring washer (
B
) and bolt (
A
). Use a wooden block
(
C
) to prevent blade rotation while tightening the bolt
to 50-60 ft-lbs (68-81 Nm).
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
capscrews must each be installed with a hex/
spline washer and spring washer, then securely
tightened. Torque blade mounting capscrew to
50
-
60 ft
-
lbs
(
68
-
81 Nm
)
.
Figure 18. Balancing the Blade
Workbench
Nail
LOOSEN
Figure 16. Blade Removal
C
A
B
Figure 17. Blade Installation
Servicing the Mower Blades
25
en
Not
for
Reproduction
Summary of Contents for 2690817
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