MacDon D65 Operator's Manual page 182

3. Rotate the left knife drive box driven pulley clockwise
until the left 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.
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.
169899
MAINTENANCE AND SERVICING
Figure 6.89: Timing: Left Side
Figure 6.90: Timing: Right Side
Figure 6.91: Knife Drive: Right Side
170
Revision A