MacDon FlexDraper FD1 Series, Operator'S Manual, Page: 383 / 510

MAINTENANCE AND SERVICING
6. Position the output arm (A) to the farthest outboard
position. Move the output arm (A) up or down on
the splined shaft until it is almost contacting the
knifehead (B) (exact clearance [C] is set during the
knifehead pin installation).
Figure 5.112: Knifehead
7. Torque the output arm bolt (B) to 160 ft · lbf (217 N · m).
Figure 5.113: Knife Drive Box
8. Slide the knife into place and align the knifehead with
the output arm.
NOTE:
Remove the grease zerk from the knifehead pin for
easier removal and installation of knifehead pin.
9. Install the knifehead pin (A) through the output arm (C)
and into the knifehead.
10. Set the groove (B) in the knifehead pin 1/16 in.
(1.5 mm) above the output arm (C). Secure with
5/8 in. x 3 in. hex head bolt and nut (D), and torque to
160 ft
· lbf (217 N · m).
Figure 5.114: Knifehead
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Revision A