214323 397 Revision A
Installing Knife Drive Box Pulley
Figure 5.137: 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 Loctite
®
#243 adhesive (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) until 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 and torque 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 397. If the pulley
was not removed, proceed to Step 1, page 397.
CAUTION
Extension may shift when supports are removed. Use care when removing fasteners and supports.
Figure 5.138: Knife Drive Box
1. Position the knife drive box onto the header mount and
install the belt onto the pulley.
2. Secure the knife drive box to the frame using
two 5/8 in. x 1-3/4 in. grade 8 hex head bolts (C) on the
side and two 5/8 in. x 2-1/4 in. grade 8 hex head
bolts (D) on the bottom.
3. Tighten knife drive box side bolts (C) slightly, then
tighten bottom bolts (D) to ensure proper contact with
the vertical and horizontal mounting surfaces. Do NOT
torque the bolts at this time.
MAINTENANCE AND SERVICING
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