Adjusting double knife timing, Adjusting – MacDon D65 SP DHOM User Manual

Page 181

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MAINTENANCE AND SERVICING

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).

Figure 6.87: Knife Drive

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.

Figure 6.88: Belt Guide

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

Opening Endshields,

page 37

.

2.

Remove the belt on the right-hand side.

Refer to

Removing Timed Knife Drive Belt, page 165

.

169899

169

Revision A

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