MacDon FD70 for Combine Operators User Manual
Page 182
SECTION 10. MAINTENANCE AND SERVICING
Form 169006
180
Revision D
10.11.10.5 Wobble Box Installation
a. Position wobble box with locating tab (C) at
original position, and install four bolts (B). Torque
side bolts, and then bottom bolts to 200 ft·lbf
(270 N·m).
b. Apply Loctite® #243 adhesive (or equivalent) to
spline. Apply in two bands around shaft as
shown, with one band at end of spline, and one
band approximately mid-way.
c. Remove any rust or paint from pitman arm
splines. For replacement parts, remove oil/grease
with degreasing agent.
d. Slide pitman arm (D) onto output shaft.
e. Slide arm up or down on shaft until it just contacts
knifehead (0.010 in. (0.25 mm) gap) (E).
f. Rotate pulley to ensure drive arm just clears
frame to ensure proper placement on splines.
Position pitman arm at furthest outboard position.
g. Install bolt (A) and nut, and torque to 160 ft·lbf
(217 N·m).
h. Install sickle head pin. Refer to Section 10.11.4
Sickle Installation.
i. Install drive belt onto wobble box pulley, and
tighten. Refer to Section 10.11.8 Sickle Drive
Belts: Non-Timed Drive, and Section 10.11.9
Double Knife Drive Belts: Timed Drive.
B
C
E
D
A