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

Draper header for self-propelled windrowers
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Installing Knife Drive Box Pulley

To install the knife drive box pulley, follow these steps:
1. Ensure splines and bores in pulley or drive arm are free
of paint oil and solvents.
®
2. Apply Loctite
#243 adhesive (or equivalent) to spline.
Apply in two bands (A) around shaft as shown, with
one band at end of spline and one band approximately
mid-way.
3. Install pulley (B) until flush with end of shaft.
4. Secure pulley with 5/8 in.
distorted thread NC lock nut and torque to 160 ft·lbf
(217 N·m).

Installing Knife Drive Box

This procedure can be used for single- and double-knife headers.
NOTE:
Before installing the knife drive box onto the header, install the pulley onto the knife drive box. Refer to
Knife Drive Box Pulley, page
Box, page
158.
CAUTION
Knife drive box with pulley weighs over 65 lb (35 kg).
Use care when removing or installing. Lug (L) can
be used for lifting. If speed sensor is installed at this
location, you will need to remove it before using it
for lifting.
1. Place knife drive box into position on header mount and
locate belt on pulley.
2. Install two 5/8 in. x 1.75 grade 8 hex head bolts (A)
at the side and two 5/8 in. x 2.25 grade 8 hex head
bolts (B) underneath to mount knife drive box to frame.
3. Slightly tighten knife drive box side bolts (A) first, then
the bottom bolts (B), to ensure proper contact with
vertical and horizontal mounting surfaces. Do NOT
torque bolts at this time.
169899
MAINTENANCE AND SERVICING
x 3 hex head bolt with
158.If the pulley was not removed, then proceed to Step
Figure 6.60: Knife Drive Box
Figure 6.61: Knife Drive Box
158
Installing
1., Installing Knife Drive
Revision A

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