MacDon D65 Operator's Manual page 171

4. Rotate the right knife drive box pulley counterclockwise
until the right knife (A) is at the center of the
inboard stroke (B) (moving towards center of header).
NOTE:
Center stroke is when the knife sections (C) are
centered between guard points.
5. Install right-hand belt (A).
NOTE:
To maintain timing, knife drive box driver and driven
pulleys must not rotate as the belt is tightened.
6. Rotate the idler pulley bracket (A) down and slide the
idler pulley up by hand to remove most of the belt slack.
Tighten nut (B).
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MAINTENANCE AND SERVICING
Figure 5.78: Timing: Right Side
Figure 5.79: Knife Drive: Right Side
Figure 5.80
157
Revision A