MacDon FD75 OM - Manual (Page 332)

MAINTENANCE AND SERVICING
4. Apply Loctite ® #243 to the output shaft in two bands as
shown at (A).
5. Slide output arm (B) onto output shaft. Rotate pulley to
ensure drive arm just clears frame on inboard stroke to
ensure proper placement on splines.
Figure 6.127: Knife Drive Box
6. Position output arm (A) to farthest outboard position.
Move output arm (A) up or down on splined shaft until
it almost contacts knifehead (B). Exact clearance (C)
will be set when installing knifehead pin.
Figure 6.128: Knifehead
7. Torque output arm bolt (B) to 160 ft·lbf (217 N·m) to
secure arm to knife drive output shaft.
Figure 6.129: Knife Drive Box
169894 318 Revision A