MacDon A40-D, Operator'S Manual

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Revision A
4.7.2 Removing Knife
WARNING
To avoid bodily injury or death from unexpected start-up or fall of raised machine, always stop engine,
remove key, and engage safety props before going under machine for any reason.
WARNING
Stand to rear of knife during removal to reduce risk of injury from cutting edges. Wear heavy gloves when
handling knife.
1. Stop engine and remove the key from ignition.
Figure 4.16: Knifehead
2. Stroke the knife manually to its outer limit.
3. Clean the area around the knifehead.
4. Remove bolt (A).
5. Remove grease fitting (B) from the pin.
6. Use a screwdriver or chisel in slot (C) to release the
load on the knifehead pin.
7. Use a screwdriver or chisel to pry the pin upwards in the
pin groove until the pin is clear of the knifehead.
8. Push the knife assembly inboard until it is clear of the
output arm.
9. Seal the knifehead bearing with plastic or tape unless it
is being replaced.
10. Wrap a chain around the knifehead and pull out
the knife.
4.7.3 Installing Knife
WARNING
To avoid bodily injury or death from unexpected start-up or fall of raised machine, always stop engine,
remove key, and engage safety props before going under machine for any reason.
WARNING
Stand to rear of knife during installation to reduce risk of injury from cutting edges. Wear heavy gloves
when handling knife.
1. Stop engine, and remove the key from ignition.
MAINTENANCE AND SERVICING