Leveling The Mower Deck - Toro 74760 Operator's Manual

Removing the Blades
The blades must be replaced if a solid object is hit, if
the blade is out of balance, or if the blade 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.
1. Hold the blade end using a rag or thickly-padded
glove.
2. Remove the blade bolt, the curved washer, and
the blade from the spindle shaft
Figure 50
1. Sail area of the blade
2. Blade
Sharpening the Blades
1. Use a file to sharpen the cutting edge at both
ends of the blade
original angle. The blade retains its balance if
the same amount of material is removed from
both cutting edges.
Figure 51
1. Sharpen at original angle
2. Check the balance of the blade by putting it on
a blade balancer
in a horizontal position, the blade is balanced
and can be used. If the blade is not balanced,
file some metal off the end of the sail area only
(Figure 51). Repeat this procedure until the
blade is balanced.
(Figure
3. Curved washer
4. Blade bolt
(Figure 51). Maintain the
(Figure 52). If the blade stays
1. Blade
Installing the Blades
1. Install the blade onto the spindle shaft
50).
50).
Important:
must be pointing upward toward the inside
of the mower to ensure proper cutting.
2. Install the the curved washer (cupped side
toward the blade) and the blade bolt
3. Torque the blade bolt to 47 to 88 N-m (35 to
65 ft-lb).

Leveling the Mower Deck

Check to ensure the mower deck is level any time you
install the mower or when you see an uneven cut on
your lawn.
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The mower deck must be checked for bent blades
prior to leveling; any bent blades must be removed
and replaced. Refer to
(page 42) before continuing.
The mower deck must be leveled side-to-side first
then the front to rear slope can be adjusted.
Requirements:
•
The machine must be on a level surface.
•
All four tire must be properly inflated. Refer to
Checking the Tire Pressure (page
Leveling from Side-to-Side
1. Park the machine on a level surface and
disengage the blade-control switch.
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2. Move the motion-control levers outward to the
P
ARK
key, and wait for all moving parts to stop before
leaving the operating position.
3. Set the height-of-cut lever to middle position.
44
Figure 52
2. Balancer
The curved part of the blade
Checking for Bent Blades
position, stop the engine, remove the
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(Figure
(Figure 50).
41).