Disassemble/assemble front section of transmission housing

AR26.40-D-2471R

Disassemble/assemble front section of transmission housing

05.06.2018

Transmission

711.683 in model 909

Shown on transmission 711.685

1

Front section of transmission housing

2

Drive shaft

3

Locking plates

4

Bolts

5

Oil guide

6

Countershaft

7

Inner bearing race

8

Bearing

9

Deep-groove ball bearing

10

Retaining ring



Remove

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

1

Remove transmission

AR26.10-D-0020R

2

Attach transmission to assembly stand

AR26.10-D-0036R

3

Remove the central clutch release bearing

AR25.20-D-0180R

4

Remove front section of transmission housing (1)

AR26.40-D-2002R

 Refer to Disassemble/assemble transmission housing.



Disassemble

5

Remove lock washers (3)

6

Remove oil conduit (5)

7

Press out drive shaft (2)

8

Detach circlip (10) and press off grooved ball bearing (9)

9

Remove radial shaft sealing ring of axle shaft (2)

AR26.40-D-0335R

10

Press out bearing (8)

 Drift

*716589021500

11

Remove inner bearing race on output side (7) from countershaft (6)

 The inner race of bearing (8) is divided into two halves. The drive side half has been removed with the front section of the transmission housing (1).

 Puller

*001589503300

 Extraction tool

*711589023300



Clean

12

Clean seats and bearing seats

 Use clean, lint-free rags.



Assemble

13

Press output side inner bearing race (7) on countershaft (6)

AR26.50-D-4775-04R

 The drive side inner bearing race is installed when assembling the transmission housing front section (1).

 Drift

*716589021500

14

Press grooved ball bearing (9) onto drive shaft (2) and install removed circlip (10)

 The chamfer on the outer bearing race must point toward the gear wheel.

15

Check and adjust play between grooved ball bearing (9) and circlip (10)

AR26.50-D-4743-02R

 Replace retaining ring (10).

Axial play between drive shaft bearing and retaining ring

*BE26.50-N-1006-01D

16

Press in drive shaft (2) as far as the end stop in the front section of the transmission housing (1)

 Drift

*711589151500

17

Press in bearing (8) as far as the end stop

 The chamfer on the outer bearing race must point up (toward output side).

 Drift

*716589001500

18

Install oil conduit (5)

19

Install lock washers (3)

 Replace screws/bolts (4).

 Screw/bolt, locking plate for countershaft bearing, main shaft bearing or drive shaft bearing to transmission housing

*BA26.50-N-1007-01D

20

Install new radial shaft sealing ring of drive shaft (2)

AR26.40-D-0335R



Install

21

Install front section of transmission housing (1)

AR26.40-D-2002R

 Refer to Disassemble/assemble transmission housing.

22

Install central clutch release bearing

AR25.20-D-0180R

23

Detach transmission from assembly stand

AR26.10-D-0036R

24

Install transmission

AR26.10-D-0020R

Adjustment values for gear set

Number

Designation

Transmission 711.680/683 in model 909

BE26.50-N-1006-01D

Axial play between drive shaft bearing and retaining ring

mm

0,02...0,08

 Gear set, shafts

Number

Designation

Transmission 711.683

BA26.50-N-1007-01D

Screw/bolt, locking plate for countershaft bearing, main shaft bearing or drive shaft bearing to transmission housing

Nm

10