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CropHawk Draper Platform Operators Manual 47
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Drive System
Adjustments
Knife Drive Belt Adjustment
IMPORTANT: The knife drive belt is a non slip, non stretch belt. Over tensioning of drive belt
will
cause damage and excessive wear on components.
1.
Loosen idler pulley anchor bolt (A) enough to allow adjuster to slide.
2.
Loosen adjuster lock nut (B).
3.
Tension knife drive belt to correct tension by
turning the bottom adjuster lock nut (C).
4.
When correct tension is reached tighten idler
pulley anchor bolt (A) to 271nm (200 ft-lb)
5.
Tighten top adjuster lock nut (B) and bottom ad-
juster lock nut (C) to 43nm (32 ft-lb).
Note: Tightening pulley anchor bolt (C) may change belt
tension.
B
A
C
Knife Drive Belt Tension
Setting the correct tension for the knife drive belt, use the
belt tension gauge
.
1.
Sit belt tension gauge (A) below belt in line with the 2nd bolt from the rear (B).
2.
Tension belt to 7kg.
Note: Tightening pulley anchor bolt (C) may change belt tension.
A
B
C