Gearbox Installation - A40-D - MacDon A30-S Operator's Manual

M
j. Remove the three flanged lock nuts (M) that
secure gearbox (N) to header end sheet and
remove gearbox.
7.13.8 Gearbox Installation – A40-D
a. Position gearbox (N) as shown picking up the
three holes in the end sheet.
b. Install three flanged locknuts (M) but do not
tighten.
c. Position channel (L), picking up the three holes
in the end sheet.
d. Install bolts at (J) in the lower two holes and bolt
and nut (K) in the upper hole and tighten.
e. Tighten hardware.
Form # 169000
MAINTENANCE/SERVICE
N
K
L
J
f. Install drive pulley (G) as follows:
O
1. Slide pulley (G) onto shaft with key.
2. Install tapered bushing (H) onto shaft,
ensuring holes are aligned with holes in
pulley.
3. Align pulley (G) and countershaft pulley (O)
faces to within .06 in. (1.5 mm).
4. Install three bolts in tapered bushing (H) and
tighten to 18 ft∙lbf (25 N∙m).
5. Tap bushing and re-torque.
bolts no longer turn at 18 ft∙lbf (25 N∙m).
g. Position belts (F) on pulleys (G) and (O).
h. Turn adjuster bolt (E) to move pulley (G) until a
force of 8-12 lbf (35-50 N) on each belt at mid-
span deflects the belt (F) 0.16 inch (4 mm).
i. Tighten jam-nut at (E) and three nuts (D).
j. Slide upper roll driveline onto gearbox as shown.
Install and tighten two bolts and nuts (S).
Torque to 75 ft∙lbf (102 N∙m).
k. Attach lower roll driveline flange onto gearbox
flange using four bolts and nuts (T).
155
D
E
Repeat until
S
T
T
(continued next page)
Model Year - 2009
F
H
G