MacDon A40-D, Operator'S Manual

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Revision A
Removing Knife Drive Box
Figure 4.47: Knife Drive Box
1. Loosen knife drive belt (A), and slip off knife drive box
pulley. Refer to the following sections:
•
Checking/Adjusting Timing Belt Tension on Left
Side, page 141
•
Checking/Adjusting Timing Belt Tension on Right
Side, page 145
Figure 4.48: Knifehead
2. Stroke knife to its outer limit.
3. Clean area around knifehead.
4. Remove grease fitting (A) from knifehead pin (B).
5. Remove nut and bolt (C).
6. Insert screwdriver in groove of pin (B), and pry up on
pin to free knife. Pin does not have to be removed
from arm.
Figure 4.49: Pitman Arm
7. Remove bolt (A) from pitman arm.
8. Remove pitman arm (B) from knife drive box
output shaft.
MAINTENANCE AND SERVICING