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Releasing The Electric Brake; Mower Maintenance; Servicing The Cutting Blades - Toro 74643 Operator's Manual

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Releasing the Electric Brake

The electric brake releases by manually rotating the link arms
forward. Once the electric brake is energized, the brake will
reset.
1. Locate the shaft on the electric brake where the
brake-link arms are connected (Figure 39).
2. Rotate the shaft forward to release the brake.
g017659
Figure 39
1. Brake-link arm on the electric-brake-control module

Mower Maintenance

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 cutter blades daily for sharpness, and for any
1
wear or damage. File down any nicks and sharpen the
blades as necessary. If a blade is damaged or worn, replace
it immediately with a genuine Toro replacement blade. For
convenient sharpening and replacement, you may want to
keep extra blades on hand.
WARNING
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.
Before Inspecting or Servicing the
Blades
Park the machine on a level surface, disengage the
blade-control switch, move the motion-control levers outward
to the park position, stop the engine, and remove the key.
Inspecting the Blades
Service Interval: Before each use or daily—Check the
1. Inspect the cutting edges (Figure 40).
2. Inspect the blades, especially the curved area (Figure
32
cutting blades.
Note: If the edges are not sharp or have nicks, remove
and sharpen the blades; refer to Sharpening the Blades
(page 34).
40).
Note: If you notice any damage, wear, or a slot
forming in this area (item 3 in Figure 40), immediately
install a new blade.

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