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12. To provide clearance between the knife drive box pulley
and the endsheet, open the access cover (A) on the
endsheet behind the cutterbar.
Figure 5.47: Access Cover
13. Remove the belt (A) from the drive pulley (B).
14. Slip the belt (A) over and behind the knife drive
box pulley (C). Use the notch in the pulley to assist
with belt removal.
Figure 5.48: Knife Drive
15. Stroke the knife manually to its outer limit.
16. Clean the area around the knifehead.
17. Remove the grease zerk (B) from the pin.
18. Remove bolt (A).
19. Use a screwdriver or chisel in slot (C) to release the
load on the knifehead pin.
20. Use a screwdriver or chisel to pry the pin upwards in
the pin groove until the pin is clear of the knifehead.
21. Push the knife assembly inboard until it is clear of the
output arm.
22. Seal the knifehead bearing with plastic or tape unless
it is being replaced.
Figure 5.49: Knifehead
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Revision A