MacDon FD75 OM - Manual (Page 412)

MAINTENANCE AND SERVICING
11. Recheck the wing balance. Refer to 6.14.1 Checking
Wing Balance, page 390 .
12. If necessary, perform the following adjustments:
• If the wing is too heavy, turn adjuster bolt (B) to move
clevis (C) outboard (D).
• If the wing is too light, turn adjuster bolt (B) to move
clevis (C) inboard (E).
13. Adjust clevis (C) position if necessary until indicator
readings are within one increment.
14. Tighten clevis bolt (A).
Figure 6.311: Balance Linkage
A - Clevis Bolt B - Adjuster Bolt
C - Clevis D - Outboard
E - Inboard
15. Move handle to the upper LOCK position.
16. If lock does not engage, move the wing up and down
with torque wrench until it locks. When locked, there
will be some movement in the linkage.
17. If the cutterbar is not straight when wings are in lock
mode, then further adjustments are required. Contact
your MacDon Dealer.
Figure 6.312: Wing Lock in Lock Position
18. Replace torque wrench on adapter frame.
19. Reinstall linkage cover (A), secure with bolt (B).
NOTE:
Adjustment to the main float may be required to
maintain good wing balance when operating in
the field. Refer to Step
Checking and Adjusting
Header Float, page 138 .
Figure 6.313: Linkage Cover
169894 398 Revision A