MAC215986
335
Revision A
1036615
A
Figure 4.119: Knife Drive Box
3.
Grease the knife head bearing prior to assembly spread
grease around bearing evenly.
4.
Install knife assembly (A).
1036586
A
B
Figure 4.120: Knifehead
5.
Install knifehead pin (A) through the drive arm and into the
knifehead.
6.
Position knifehead pin (A), so that groove (B) is 2 mm
(5/64 in.) above the drive arm.
1036590
A
B
C
Figure 4.121: Knifehead
7.
Secure the knifehead pin with M16 x 85 mm hex bolt (A)
and hex nut (B). Install the bolt from the inboard side of the
arm. Torque the bolt to 220 Nm (162 lbf·ft).
8.
Rotate he flywheel attached to the knife drive box to
manually stroke knife arm (A) to the inside limit of travel,
and ensure there is still 0.2
–
1.2 mm (1/64
–
3/64 in.)
clearance (C) between the drive arm and the knifehead.
9.
If no adjustment is required, proceed to Step
.
If drive arm adjustment is required, contact your MacDon
Dealer.