MAINTENANCE AND SERVICING
1. Check daily that the cutterblades are securely attached
to the disc.
2. Inspect blades for cracks, w ear beyond safe operating
limits (C), and distortion.
3. Replace blades immediately if any problems occur.
IMPORTANT:
Blades should be replaced in pairs, or the disc
may become unbalanced and cause damage to
the cutterbar.
Figure 4.52: Cutterblades
A - Blade Wear to Center Line
B - Elongated Hole
C - Maximum Elongation 13/16 in. (21 mm)
IMPORTANT:
The cutterblades have cutting edges on both sides so
the blade s can be turn ed over and reused. The tw ist
in each blade determines the cutting direction. If you
are unsure which direction the spindles rotate, refer to
4.4.4 Cutterbar Crop Stream Configurat ion, page 141.
Figure 4.53: Counterclockwise Disc
Rotation Direction
Figure 4.54: Clockwise Disc Rotation Direction
147910 146 Revision A
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