214323 420 Revision B
Removing Knife Drive Box Pulley
To remove the knife drive box pulley, follow the recommended removal procedure provided here.
Figure 6.137: 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.
Installing Knife Drive Box Pulley
The knife drive box pulley is driven by the knife drive motor and the knife drive belt. To install the knife drive box pulley,
follow the recommended installation procedure provided here.
Figure 6.138: Knife Drive Box
1. Ensure the splines and bores in the pulley and drive arm
are free of paint, oil, and solvents.
2. Apply two bands (A) of medium-strength threadlocker
(Loctite
®
243 or equivalent) around the shaft as shown.
Apply one band at the end of the spline and the second
band at the approximate midpoint location.
3. Install pulley (B) so that it is flush with the end of the shaft.
4. Secure the pulley with 5/8 in. x 3 in. hex head bolt with
distorted thread NC lock nut.
5. Torque the lock nut to 217 Nm (160 lbf·ft).
Installing Knife Drive Box
NOTE:
If the pulley was removed from the knife drive box, refer to Installing Knife Drive Box Pulley, page 420. If the pulley was not
removed, proceed to Step 1, page 421.
MAINTENANCE AND SERVICING
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