Instruction Manual

MAINTENANCE AND SERVICING
5. If the belt (A) is tracking to one side of the knife drive
box pulley (B), the likely cau se is an out of p osition idler
pulley (C). Proceed to Step 7., Adjusting Belt Tracking,
page 174 to correct the problem .
Figure 6.96: Knife Drive Belt
6. To correct the tracking problem on the drive pulley,
adjust the position of the cross shaft support tube
as follows:
a. Loosen nut (A) on support assembly (B).
b. Slide the support (B) rearward in slot (C) to correct
toe-out condition, or forward to correct toe-in
condition.
c. Retighten nut (A).
d. Operate the header and check the tracking. Adjust
the support assembly as required.
e. If the belt tracking proble m continues, proceed to
Step 8., Adjusting Belt Tracking, page 175.
Figure 6.97: Cross-Shaft Support
169899 173 Revision A