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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
63).
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
94).
Figure 94
1. Cutting edge
2. Curved area
(Figure
94).
Sharpening the
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3. Wear/slot forming
4. Crack
Checking for Bent Blades
1.
Disengage the blade-control switch (PTO), move
the motion-control levers to the N
position, and engage the parking brake.
2.
Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3.
Rotate the blades until the ends face forward
and backward.
4.
Measure from a level surface to the cutting
edge, position A, of the blades
1. Measure here from blade
to hard surface
5.
Rotate the opposite ends of the blades forward.
6.
Measure from a level surface to the cutting edge
of the blades at the same position as in step
above.
Note:
The difference between the dimensions
obtained in steps
mm (1/8 inch).
Note:
If this dimension exceeds 3 mm (1/8
inch), the blade is bent and must be replaced.
62
EUTRAL
(Figure
95).
Figure 95
2. Position A
4
and
6
must not exceed 3
-
LOCK
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4
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