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MacDon A40-D User Manual

Page 164

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SECTION 7 MAINTENANCE AND SERVICING

169000 / 169040

162

Revision E

7.13.8 Gearbox Removal: A30-S

a. Remove hydraulic drive motor. Refer to Section

7.13.6 Hydraulic Drive Motor Removal: All
Models.

NOTE

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:

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.

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.

g. Remove two bolts (H), and nut and bolt (J)

attaching channel (K) to endsheet, and remove
channel (K).

h. Remove three flanged lock nuts (L) that secure

gearbox (M) to header endsheet, and remove
gearbox.

G

F

K

H

J

B

C

B

G

F

E

H

J

M

L

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