214323 419 Revision B
Figure 6.135: Knifehead
9. Remove bolt (A).
10. Remove grease fitting (B) from the pin.
11. Use a screwdriver or chisel in slot (C) to release the load on
the knifehead pin.
12. Use a screwdriver or chisel to pry the pin upwards in the
pin groove until the pin is clear of the knifehead.
13. Push the knife assembly inboard until it is clear of the
output arm.
14. Seal the knifehead bearing with plastic or tape unless it is
being replaced.
Figure 6.136: Knife Drive Box
15. Remove bolt (A) that clamps knife drive arm (B) to the knife
drive box output shaft.
16. Remove knife drive arm (B) from the knife drive box
output shaft.
17. Remove four knife drive box mounting bolts (C) and (D).
NOTE:
Bolt (E) is factory set; do NOT remove it. It is used to secure
the knife drive box in the proper fore-aft position.
CAUTION
The knife drive box and pulley weigh over 35 kg (65 lb.) Use
care when removing or installing it. Lug (L) can be used for
lifting.
18. Remove the knife drive box and place it on a bench for
disassembly.
MAINTENANCE AND SERVICING
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