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Servicing the Cutting
Blades
To ensure a superior quality of cut, keep the blades
sharp. For convenient sharpening and replacement,
you may want to keep extra blades on hand.
Before Inspecting or Servicing the
Blades
1.
Park the machine on a level surface, disengage
the blade-control switch (PTO), and engage the
parking brake.
2.
Shut off the engine, remove the key, and
disconnect the spark-plug wires from the spark
plugs.
Inspecting the Blades
Service Interval: Before each use or daily
1.
Inspect the cutting edges
2.
If the edges are not sharp or have nicks, remove
and sharpen the blade; refer to
Blades (page
62).
3.
Inspect the blades, especially in the curved area.
4.
If you notice any cracks, wear, or a slot forming
in this area, immediately install a new blade
(Figure
86).
Figure 86
1. Cutting edge
2. Curved area
(Figure
86).
Sharpening the
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3. Wear/slot forming
4. Crack
Checking for Bent Blades
Note:
The machine must be on a level surface for
the following procedure.
1.
Raise the mower deck to the highest
height-of-cut position.
2.
While wearing thickly padded gloves, or other
adequate hand protection, slowly rotate the
blade into a position that allows you to measure
the distance between the cutting edge and the
level surface the machine is on
1. Deck
2. Spindle housing
3.
Measure from the tip of the blade to the flat
surface
(Figure
1. Blade (in position for measuring)
2. Level surface
3. Measured distance between blade and the surface (A)
4.
Rotate the same blade 180 degrees so that
the opposing cutting edge is now in the same
position
(Figure
61
(Figure
Figure 87
3. Blade
88).
Figure 88
89).
87).
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