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Inspecting the Blades
1.
Inspect the cutting edges (Fig 8). If the edges are
not sharp or have nicks, remove and sharpen the
blades. Refer to Sharpening the Blades on page
10.
2.
Inspect the blades, especially the curved area
(Fig. 8). If you notice any damage, wear, or a
slot forming in this area (item 3 in Fig. 8),
immediately install a new blade.
Figure 8
1. Cutting edge
2. Curved area
1
2
3
m–151
3. Wear/slot forming
Checking for Bent Blades
1.
Rotate the blades until the ends face forward and
backward (Fig. 9). Measure from a level surface
to the cutting edge of the blades (Fig. 10). Note
this dimension.
Figure 9
Figure 10
2.
Rotate the opposite ends of the blades forward.
Measure from a level surface to the cutting edge
of the blades at the same position as in step 1
above. The difference between the dimensions
obtained in steps 1 and 2 must not exceed 1/8"
(3 mm). If this dimension exceeds 1/8" (3 mm),
the blade is bent and must be replaced. Refer to
Removing the Blades, and Installing the Blades
on page 10.
Maintenance
m–1078
m–2539
9
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