Wobble Box; Mounting Bolts; Wobble Box Removal; Wobble Box Installation - MacDon A30-S Operator's Manual
Pull-type mower conditioners, self-propelled auger headers
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Also See for A30-S:
- Operator's manual (192 pages) ,
- Unloading and assembly instructions (56 pages) ,
- Assembly instructions manual (56 pages)
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7.8.13
Wobble Box
7.8.13.1 Mounting Bolts
Check four wobble box mounting bolts (A)
torque after the first 10 hours operation and
every 100 hours thereafter. Torque bolts to 200
ft∙lbf (270 N∙m). When tightening, start with the
side mounting bolts.
7.8.13.2 Wobble Box Removal
a. Loosen sickle drive belt (B) and slip off wobble
box pulley.
Refer to one of the following
sections:
Section 7.8.9.1, Tension Adjustment -Sickle
•
Drive Belt, A30-S,
Section 7.8.10.1, Tension Adjustment –LH
•
Sickle Drive Belt, A30-D,
Section 7.8.10.4, Tension Adjustment –RH
•
Sickle Drive Belt, A30-D,
Section 7.8.11.1, Tension Adjustment –LH
•
Sickle Drive Belt, A40-D,
Section 7.8.11.4, Tension Adjustment –RH
•
Sickle Drive Belt, A40-D.
b. Stroke sickle to its outer limit.
E
c. Clean area around sickle head and remove nut
and bolt (C).
d. Remove grease zerk from pin (D).
e. Insert screwdriver in groove (E) of pin and pry
up on sickle head pin to free sickle. Pin does
not have to be removed from arm.
Form # 169000
MAINTENANCE/SERVICE
A
B
A
D
C
G
f.
Remove bolt (F) from pitman arm.
g. Remove pitman arm (G) from wobble box shaft.
h. Remove bolts (A) attaching wobble box to
frame.
i.
Remove wobble box.
7.8.13.3 Wobble Box Installation
a. Position wobble box as shown and install four
bolts (A). Torque side bolts and then bottom
bolts to 200 ft∙lbf (270 Nm).
Use only Grade L9 bolts and flat washers.
b. Apply Loctite® #243 adhesive (or equivalent) to
spline. Apply in two bands (H) around shaft as
shown, with one band at end of spline and one
band approximately mid-way.
c. Slide pitman arm (G) onto output shaft. Rotate
pulley to ensure drive arm just clears frame to
ensure proper placement on splines.
d. Position
pitman arm at
position. Slide arm up or down on shaft until it
just contacts knifehead [0.010 in. (0.25 mm)]
gap.
e. Install bolt (B) and nut and torque to 160 ft∙lbf
(217 N∙m).
126
F
IMPORTANT
H
F
G
furthest outboard
(continued next page)
Model Year - 2009
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