Gearbox Removal: A30-S - MacDon A30-S Operator's Manual

7.13.8 Gearbox Removal: A30-S

a. Remove hydraulic drive motor. Refer to Section
7.13.6 Hydraulic Drive Motor Removal: All
Models.
It is not necessary to disconnect the
motor hoses for this operation.
b. Remove four nuts and bolts (B) from the lower
roll driveshaft, and swing driveline clear of
gearbox.
c. Remove two nuts and bolts (C) from the upper
roll shaft at the gearbox, and pull driveline clear
of gearbox.
d. Open endshield on LH side of header.
e. Remove the auger drive belts (E) from the drive
pulley as follows:
J
H
1. Loosen three bolts (F).
2. Loosen jam-nut on adjuster bolt (G).
3. Turn adjuster bolt (G) to loosen chain (H).
4. Loosen jam-nut on adjuster bolt (J).
5. Turn adjuster bolt (J) to loosen auger drive
belts (E).
6. Remove belts (E) from drive pulley.
Form 169000 / 169040
SECTION 7 MAINTENANCE AND SERVICING
NOTE
C
B
B
G
F
f. Remove the auger drive pulley (F) as follows:
1. Remove three bolts from tapered bushing
(G) in pulley (F).
2. Install bolts in the two threaded holes in
bushing, and tighten to release the bushing.
3. Remove pulley, bushing, and key.
J
g. Remove two bolts (H), and nut and bolt (J)
attaching channel (K) to endsheet, and remove
E
channel (K).
h. Remove three flanged lock nuts (L) that secure
gearbox (M) to header endsheet, and remove
gearbox.
163
F
H
M
L
G
K
Revision D