Removing Knife - MacDon D65 Operator's Manual

7. Reposition bars (C) and/or (D) on knife (A) and install lock
nuts (B).
NOTE:
If replacing screws, ensure they are fully inserted. Do NOT
use nuts to draw screws into the knife bar.
8. Torque the nuts to 9.5 Nm (7 lbf∙ft).

5.5.2 Removing Knife

The cutterbar knife is designed to easily be replaced if worn or damaged. A spare knife can be stored in the header
frame tube.
DANGER
To prevent bodily injury or death from the unexpected start-up or fall of a raised machine, always stop the engine and
remove the key before leaving the operator's seat, and always engage the safety props before going under the
machine for any reason.
WARNING
Stand to the rear of the knife during removal to reduce the risk of injury from the cutting edges. Wear heavy gloves
when handling a knife.
1. Raise the header fully.
2. Shut down the engine, and remove the key from the ignition.
3. Engage the header safety props. For instructions, refer to the windrower operator's manual.
4. Stroke the knife manually to its outer limit.
5. Clean the area around the knifehead.
6. Remove bolt (A).
7. Remove grease fitting (B) from the pin.
8. Use a screwdriver or chisel in slot (C) to release the load on
the knifehead pin.
9. Use a screwdriver or chisel to pry the pin upwards in the
pin groove until the pin is clear of the knifehead.
10. Push the knife assembly inboard until it is clear of the
output arm.
11. Seal the knifehead bearing with plastic or tape unless it is
being replaced.
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MAINTENANCE AND SERVICING
Figure 5.27: Knife Bar
Figure 5.28: Knifehead
139
B
D
C
C
A
B
A
Revision B