Installing Knife Drive Box Pulley; Installing Knife Drive Box - MacDon D65 Operator's Manual

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.
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 and torque it to 217 Nm
(160 lbf·ft).

Installing Knife Drive Box

The procedure for installing knife drive boxes is the same for single- and double-knife headers.
NOTE:
If the pulley was removed from the knife drive box, refer to
removed, proceed to Step
CAUTION
The knife drive box and pulley weigh over 35 kg (65 lb.) Use
care when removing or installing it. Lug (L) can be used for
lifting. If the speed sensor is installed at this location, you will
need to remove it before using it for lifting.
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 (A) on the side
and two 5/8 in. x 2-1/4 in. grade 8 hex head bolts (B) on the
bottom.
3. Tighten knife drive box side bolts (A) slightly, then tighten
bottom bolts (B) to ensure proper contact with the vertical
and horizontal mounting surfaces. Do NOT torque the bolts
at this time.
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MAINTENANCE AND SERVICING
1, page 159.
B
A
Figure 5.64: Knife Drive Box
Installing Knife Drive Box Pulley, page
Figure 5.65: Knife Drive Box
159
159. If the pulley was not
L
A
B
Revision B