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Mower Deck
Maintenance
WARNING
If you raise the machine using only a jack to support
it while you work under the mower deck, the jack
could tip, causing the mower deck to fall, crushing
you or bystanders.
Always secure the machine with at least 2 jack
stands when you have the mower deck raised.
CAUTION
On the top of the mower deck are two links that
connect them to the frame. Connected to these links
are torsion spring that are under tension (Figure 64).
If you disconnect the link the stored energy in the
torsion spring will be released and could cause the
links to move, damaging your hands or fingers.
Be careful when removing the mower deck from
the frame and secure the links before disconnecting
them from the frame.
Figure 64
1. Link
Servicing the Cutting Blades
Maintain sharp blades throughout the cutting season because
sharp blades cut cleanly without tearing or shredding the grass
blades. Tearing and shredding turns grass brown at the edges,
which slows growth and increases the chance of disease.
Check the blades daily for sharpness, and for any wear
or damage. Sharpen the blades as necessary. If a blade is
2. Torsion spring
damaged or worn, replace it immediately with a genuine Toro
replacement blade.
DANGER
A worn or damaged blade can break, and a piece
of the blade could be thrown into the operator's
or bystander's area, resulting in serious personal
injury or death.
• Inspect the blade periodically for wear or
damage.
• Replace a worn or damaged blade.
Inspect and check the blades every 8 hours.
Before Inspecting or Servicing the
Blades
1. Disengage the PTO, release the traction pedal and set
the parking brake.
2. Move the throttle lever to the Slow position, stop the
engine, remove the key, and wait for all moving parts to
stop before leaving the operating position.
Inspecting the Blades
Service Interval: Before each use or daily
1. Inspect the cutting edges (Figure 65). If the edges
are not sharp or have nicks, remove and sharpen the
blades. Refer to Sharpening the Blades.
2. Inspect the blades, especially the sail area (Figure 65).
If you notice any damage, wear, or a slot forming in
this area (Figure 65), immediately install a new blade.
DANGER
If you allow the blade to wear, a slot will form
between the sail and flat part of the blade.
Eventually a piece of the blade may break
off and be thrown from under the housing,
possibly resulting in serious injury to you or
bystanders.
• Inspect the blade periodically for wear or
damage.
• Never try to straighten a blade that is bent
or weld a broken or cracked blade.
• Replace a worn or damaged blade.
55
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