MacDon D50 - Removing Knife Drive Box Pulley

169441 176 Revision D
1009514
C
D
E
A
B
L
Figure 4.114: Knife Drive Box
18. Remove bolt (A) that clamps knife drive arm (B) to the knife
drive box output shaft.
19. Remove knife drive arm (B) from the knife drive box
output shaft.
20. 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.
21. Remove the knife drive box and place it on a bench for
disassembly.
Removing Knife Drive Box Pulley
To remove the knife drive box pulley, follow the recommended removal procedure provided here.
1002446
A
B
C
Figure 4.115: Knife Drive Box and Pulley
1. Loosen and remove knife drive box pulley clamping bolt (A)
and nut (B).
2. Remove knife drive box pulley (C) using a three-jaw puller.
MAINTENANCE AND SERVICING