MacDon D65 Operator's Manual page 181

4. Tighten nuts (C) to 54–59 ft·lbf (73–80 N·m) when
proper belt tension is achieved.
5. Remove pry bar (A) and wood (B).
NOTE:
Readjust tension of a new belt after a short run-in period
(about five hours).
6. Check that clearance (A) between belt (B) and
guide (C) is 1/32–1/16 in. (0.5–1.5 mm).
7. If necessary, loosen bolts (D) and adjust guide as
required. Tighten bolts.
8. Repeat procedure for opposite side of header.
9. Close endshields.
Adjusting Double Knife Timing
Timed double knife D65 draper headers, 35 ft. and smaller, require that knives are properly timed to move in
opposite directions.
1. Open both endshields. Refer to
page 37.
2. Remove the belt on the right-hand side.
Removing Timed Knife Drive Belt, page
169899
MAINTENANCE AND SERVICING
Opening Endshields,
Refer to
165.
169
Figure 6.87: Knife Drive
Figure 6.88: Belt Guide
Revision A