Toro 78477 Operator's Manual page 17

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POTENTIAL HAZARD
A blade that is bent or damaged could
break apart and pieces could be thrown at
bystanders or at you as you use the mower.
WHAT CAN HAPPEN
Pieces of blade that may be thrown could
seriously injure or kill you or bystanders.
HOW TO AVOID THE HAZARD
Always replace bent or damaged blade with
a new blade.
Never file or create sharp notches in the
edges or surfaces of blade.
Removing the Blades
Blades must be replaced if a solid object is hit, if the
blade is out of balance or is bent. To ensure optimum
performance and continued safety conformance of the
machine, use genuine TORO replacement blades.
Replacement blades made by other manufacturers
may result in non-conformance with safety standards.
Hold the blade end using a rag or thickly-padded
glove. Remove the retainer bolt with its washer and
spacer, and the blade bolts and locknuts from the
blade retainer (Fig. 26).
Installing the Blades
IMPORTANT: The blades are different for
each side and rotate in opposite directions
forcing clippings to the center rear of the
mower. Align cutting edges properly when
installing (Fig. 25).
1
1
Figure 25
1. Cutting edge
1.
Install the blade onto the blade retainer and
secure with retainer bolt, spacer and washer
(Fig. 26).
IMPORTANT: The curved part of the blade,
the sail, must be pointing upward toward the
top of the mower to ensure proper cutting.
2.
Install the blade bolts and locknuts (Fig. 26).
3.
Torque blade bolts to 120 in-lb (13.5 N m).
4.
Torque the retainer bolt to 85–110 ft-lb
(115–140 N m).
1
3
4
7
Figure 26
1. Spindle
2. Key
3. Blade retainer
4. Blade
5. Sail Area of Blade
Maintenance
1
m–3372
2
10
5
9
8
6
m–3182
6. Retainer bolt
7. Spacer
8. Washer
9. Blade Bolt
10. Locknut
15

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