MacDon A40D - Removing Knife Drive Box Pulley; Installing Knife Drive Box Pulley; Changing Knife Drive Box Oil

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Removing Knife Drive Box Pulley
To remove the knife drive box pulley, follow the recommended removal procedure provided here.
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Figure 4.58: Knife Drive Box Pulley
1. Remove knife drive box. Refer to Removing Knife Drive Box,
page 160.
2. Loosen nut and bolt (A) from pulley.
3. Remove pulley using a three-jaw puller.
Installing Knife Drive Box Pulley
The knife drive box pulley is driven by the knife drive motor and the knife drive belt.
Figure 4.59: Knife Drive Box
1. Remove any rust or paint from the inner spline. For
replacement parts, remove oil/grease with a
degreasing agent.
2. Apply medium-strength threadlocker (Loctite
®
243 or
equivalent) in two bands around shaft (A), with one band at
the end of the spline, and one band approximately midway.
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Figure 4.60: Knife Drive Box Pulley
3. Install the pulley on the shaft until it is flush with the end of
the shaft, and secure the pulley with bolt (A) and nut.
Torque the bolts to 217 Nm (160 lbf·ft).
Changing Knife Drive Box Oil
Change knife drive box lubricant after the first 50 hours operation, and every 1000 hours (or 3 years) thereafter.
To change the knife drive box lubricant, follow these steps:
MAINTENANCE AND SERVICING