MacDon FD75 OM - Manual (Page 316)

MAINTENANCE AND SERVICING
6.8.2 Removing Knife
WARNING
Stand to rear of knife during removal to reduce risk of injury from cutting edges. Wear heavy gloves when
handling knife.
1. Manually stroke knife to its outer limit and clean area
around the knifehead.
2. Remove bolt (A).
3. Remove the grease zerk (B) from the pin.
4. Use a screwdriver or a chisel in slot (C) to release load
on knifehead pin.
5. Pry pin upward with a screwdriver in pin groove until
pin is clear of knifehead.
6. Push the knife assembly inboard until it is clear of the
output arm.
7. Seal bearing in knifehead with plastic or tape.
8. Wrap a chain around knifehead and pull knife out.
NOTE:
For single knife drive with splice plate, remove
bolts from splice plate and pull knife out from both
ends.
Figure 6.94: Knifehead
6.8.3 Removing Knifehead Bearing
WARNING
Stand to rear of knife during removal to reduce risk of injury from cutting edges. Wear heavy gloves when
handling knife.
IMPORTANT:
The following procedure applies to single knife headers. Repeat this procedure for each knife on double
knife headers .
1. Remove the knife. Refer to previous section.
NOTE:
It is not necessary to wrap the knifehead
to protect the bearing as it is being
replaced.
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