214683 458 Revision A
Removing Knife Drive Box Pulley
Before removing the knife drive box pulley, remove the knife drive box from the header. Refer to Removing Knife
Drive Box, page 456.
Figure 5.123: Knife Drive Box and Pulley
1. Loosen and remove knife drive box pulley clamping
bolt (A) and nut (B).
2. Using a three-jaw puller, remove knife drive box
pulley (C).
Installing Knife Drive Box Pulley
Before removing the knife drive box pulley, remove the knife drive box from the header. Refer to Removing Knife
Drive Box, page 456.
Figure 5.124: 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
at right. Apply one band at the end of the spline and the
second band in the middle.
3. Press pulley (B) onto shaft until flush with the end of
the shaft.
4. Secure the pulley with a 5/8 x 3 in. hex head bolt with
distorted thread NC lock nut and torque to 217 Nm
(160 lbf·ft).
MAINTENANCE AND SERVICING
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