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169441
188
Revision D
4.9.6
Adjusting Draper Tracking
Draper tracking is adjusted by aligning the drive and idler draper rollers.
CAUTION
To avoid personal injury, before servicing machine or opening drive covers, refer to
Each draper deck has fixed drive roller (A) and spring-loaded idler roller (B) that can be aligned using the adjuster rods so
the draper tracks properly on the rollers.
Table 4.3 Draper Tracking
Tracking
Location
Adjustment
Method
Backward
Drive roller
Increase
(X)
Tighten nut
Forward
Drive roller
Decrease
(X)
Loosen nut
Backward
Idler roller
Increase
(Y)
Tighten nut
Forward
Idler roller
Decrease
(Y)
Loosen nut
1001579
B
A
Z
X
Y
Figure 4.138: Draper Tracking Adjustments
A - Drive Roller
B - Idler Roller
X - Drive Roller Adjust
Y - Idler Roller Adjust
Z - Draper Rotation Direction
1.
Refer to Table
to determine which roller
requires adjustment and which adjustments are necessary.
NOTE:
To change the distance
(X)
, adjust the back end of the roller
using the adjuster mechanism at the inboard end of
the deck.
1009586
B
C
A
Figure 4.139: Left Drive Roller
2.
Adjust the drive roller distance
(X)
as follows:
a.
Loosen nuts (A) and jam nut (B).
b.
Turn adjuster nut (C).
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