Caution – MacDon D60 Draper Headers User Manual
Page 108
SECTION 8. MAINTENANCE AND SERVICING
Form 169441
106
Revision B
8.7.10 WOBBLE
BOX
CAUTION
To avoid personal injury, before servicing
machine or opening drive covers, follow
procedures in Section 8.1 PREPARATION
FOR SERVICING.
8.7.10.1 Mounting Bolts
Check four wobble box mounting bolts (B) torque
after the first 10 hours operation, and every 100
hours thereafter. Torque should be 200 ft·lbf
(270 N·m). When tightening, start with the side
mounting bolts.
8.7.10.2 Wobble Box Removal
a. Loosen sickle drive belt, and slip off wobble box
pulley. Refer to Section 8.7.8 Sickle Drive Belts -
Non-Timed Drive and 8.7.9 Sickle Drive Belts -
Timed Drive.
b. Remove sickle head pin. Refer to Section 8.7.2
Sickle Removal, steps a. and b.
c. Remove bolt (A) from pitman arm.
d. Remove pitman arm from wobble box shaft.
e. Remove bolts (B) attaching wobble box to frame.
IMPORTANT
Do not remove or loosen locating tab
(C). This is a factory adjustment.
f. Remove
wobble
box.
8.7.10.3 Pulley Removal
a. Loosen nut and bolt from pulley.
b. Remove pulley using a 3-jaw puller.
8.7.10.4 Pulley Installation
a. Remove any rust or paint from shaft and pulley
splines. For replacement parts, remove oil/grease
with degreasing agent.
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. Install pulley on shaft until flush with end of shaft,
and secure with bolt and nut. Torque bolt to
160 ft·lbf (217 N·m).
A
B
C