Removing Knife Drive Box Pulley; Installing Knife Drive Box Pulley - MacDon FlexDraper FD1 Series Operator's Manual

Removing Knife Drive Box Pulley

Before removing the knife drive box pulley, remove the knife drive box from the header. Refer to
Drive Box, page 456.
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
Drive Box, page 456.
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).
214683
MAINTENANCE AND SERVICING
Figure 5.123: Knife Drive Box and Pulley
Figure 5.124: Knife Drive Box
458
A
B
C
B
A
Removing Knife
Removing Knife
Revision A