215184 495 Revision A
16. Shut down the combine.
17. Compare actual pulley rpm with values in the following chart:
Table 11.1 Recommended Knife Drive Speed (rpm)
Header Size
Recommended Knife Drive Speed Range:
Single Knife
Recommended Knife Drive Speed Range:
Double Knife
6.1 m (20 ft.)
N/A
700–850 rpm
7.6 m (25 ft.)
600–725 rpm
9.1 m (30 ft.)
600–700 rpm 600–750 rpm
10.7 m (35 ft.)
550–650 rpm
12.2 m (40 ft.)
525–600 rpm 550–700 rpm
13.7 m (45 ft.)
N/A
18. If adjustment to the knife drive box pulley rpm is necessary, refer to your combine operator’ s manual.
19. Perform the run-up check as listed on the Predelivery Checklist (yellow sheet attached to this instruction — Predelivery
Checklist, page 519.
11.1 Performing Post Run-Up Adjustments
Stop engine and perform post run-up check as listed on the Predelivery Checklist (yellow sheet attached to this instruction
Predelivery Checklist, page 519) to ensure machine is field-ready.
WARNING
To avoid bodily injury or death from unexpected startup of machine, always stop engine and remove key before
adjusting machine.
Some adjustments may be necessary after the run-up. Refer to the following:
• 11.1.1 Adjusting Draper Tracking, page 496
• 11.1.2 Adjusting Knife, page 498
RUNNING UP HEADER
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