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8. If further adjustment is required to correct drive pulley
tracking, proceed as follows:
a. Loosen jam nuts (A).
b. Loosen jam nut and adjuster bolt (B) to relieve belt
tension.
c. Loosen nuts (C) at the drive pulley location.
d. To correct toe-in problems, turn the adjuster
bolt (D) clockwise to enable the belt to track
inboard.
e. To correct toe-out problems, turn the adjuster
bolt (D) counterclockwise to enable the belt to
track outboard.
f.
Tighten the nuts (C) at the drive pulley location.
g. Tension the belt. Refer to
.
h. Operate the header, check the belt tracking, and
readjust the drive pulley as necessary.
Figure 5.102: Knife Drive – Left Side
Figure 5.103: Knife Drive – Right Side
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Revision A