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12. Push down on wrench until indicator (A) reaches a
maximum reading and then begins to decrease. Note
maximum reading and repeat at opposite side.
13. Use following table as a guide for float settings:
•
If reading on wrench is high, header is heavy
•
If reading on wrench is low, header is light
Table 4.3 Float Settings
Header Size (feet)
30 and 35
40 and 45
14. To increase float (decrease header weight)
a. Loosen jam nuts.
b. Turn left adjustment bolts (A) and right adjustment
bolts (B) clockwise.
c. Tighten jam nuts.
15. To decrease float (increase header weight)
a. Loosen jam nuts.
b. Turn left adjustment bolts (A) and right adjustment
bolts (B) counterclockwise.
c. Tighten jam nuts.
16. Use following guidelines when adjusting float:
•
Adjust float so wrench readings are equal on both sides of the header.
•
For 40- and 45-foot double-knife headers: adjust float so wrench readings are equal at both sides, and
then loosen both right spring bolts two turns.
•
Turn each bolt pair equal amounts. Refer to Step
reading procedure.
NOTE:
If adequate header float cannot be achieved using all of available adjustments, an optional heavy duty spring is
available. Refer to parts catalog for ordering information.
214325
PERFORMING PREDELIVERY CHECKS
Cutting on Ground
1-1/2 to 2
2 to 2-1/2
12, page
108
Figure 4.36: Indicator
Torque Settings
Cutting off Ground
Figure 4.37: Float Adjustment
108, and repeat torque wrench
2 to 2-1/2
2-1/2 to 3
Revision A
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