Removing Knifehead Bearing - MacDon FlexDraper FD1 Series Operator's Manual

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 to keep
out dirt and debris unless it is being replaced.
10. Wrap a chain around the knifehead and pull out
the knife.

5.8.3 Removing Knifehead Bearing

WARNING
To avoid bodily injury or death from unexpected startup of machine, always stop engine and remove key
before making adjustments to machine.
WARNING
Stand to rear of knife during removal to reduce risk of injury from cutting edges. Wear heavy gloves when
handling knife.
IMPORTANT:
Repeat this procedure for each knife.
1. Shut down the engine, and remove the key from the ignition.
2. Remove the knife. Refer to
NOTE:
Because the bearing is being replaced, it is not necessary to wrap the knifehead to protect the bearing.
3. Use a flat-ended tool with the same approximate
diameter as pin (A). Tap seal (B), bearing (C), plug (D),
and O-ring (E) from the underside of the knifehead.
NOTE:
Seal (B) can be replaced without removing the bearing.
When changing the seal, check the pin and needle
bearing for wear and replace if necessary.
214683
MAINTENANCE AND SERVICING
5.8.2 Removing Knife, page 438.
Figure 5.88: Knifehead Bearing Assembly
439
A
B
C
D
E
Revision A