Disassemble/assemble front section of transmission housing

AR26.40-D-2471D

Disassemble/assemble front section of transmission housing

29.10.2015

Transmission

711.651 in model 906.1/2/6/7 with engine 646.984/985/986/989/990

Transmission

711.660 in model 906.1/2/6/7 with engine 642.992, 646.985/986/989/990

Transmission

711.670 in model 204 with engine 642, 651

Transmission

711.670 in model 207 with engine 651

1

Front section of transmission housing

2

Bearing sleeve

3

Drive shaft

4

Locking plates

5

Bolts

6

Countershaft

7

Inner bearing race (only transmission 711.660 in model 906.1/2/6/7 with engine 642.992, transmission 711.670 in model 204 with engine 642, transmission 711.670 in model 207 with engine 651)

8

Bearing (only transmission 711.660 in model 906.1/2/6/7 with engine 642.992, transmission 711.670 in model 204 with engine 642, transmission 711.670 in model 207 with engine 651)

9

Bearing (only transmission 711.651 in model 906.1/2/6/7 with engine 646.984/985/986/989/990, transmission 711.660 in model 906.1/2/6/7 with engine 646.985/986/989/990)

10

Retaining ring

11

Bearing



Notes on self-locking nuts and bolts

AH00.00-N-0001-01A



Remove

1

Remove transmission

Transmission 711.670 in model 207 with engine 651

AR26.10-P-0020CWA

Transmission 711.670 in model 204 with engine 642, 651

AR26.10-P-0020SA

Transmission 711.651 in model 906.1/2/6/7 with engine 646.984/985/986/989/990
Transmission 711.660 in model 906.1/2/6/7 with engine 642.992, 646.985/986/989/990

AR26.10-D-0020G

2

Fasten transmission on assembly stand

AR26.10-D-0036A

3

Remove central clutch release bearing

Transmission 711.670 in model 204 with engine 642, 651
Transmission 711.670 in model 207 with engine 651

AR26.40-P-0345CW

Transmission 711.651 in model 906.1/2/6/7 with engine 646.984/985/986/989/990
Transmission 711.660 in model 906.1/2/6/7 with engine 642.992, 646.985/986/989/990

AR25.20-D-0180SD

4

Disassemble transmission housing

AR26.40-D-2002D



Disassemble

5

Remove locking washers (4)

6

Press out drive shaft (3)

 Drift

*716589021500

7

Detach circlip (10) and press off bearing (11)

8

Remove radial shaft sealing ring of drive shaft (3)

AR26.40-D-0335SD

9.1

Press out bearing (9)

Transmission 711.651 in model 906.1/2/6/7 with engine 646.984/985/986/989/990
Transmission 711.660 in model 906.1/2/6/7 with engine 646.985/986/989/990

 Drift

*716589021500

9.2

Press out bearing (8)

Transmission 711.660 in model 906.1/2/6/7 with engine 642.992
Transmission 711.670 in model 204 with engine 642, 651
Transmission 711.670 in model 207 with engine 651

 The inner bearing race (7) of the bearing (8) is divided into two halves. The half on the drive side was removed when disassembling the transmission housing.

 Drift

*716589021500

10

Pry inner bearing race on output side (7) off countershaft (6)

Transmission 711.660 in model 906.1/2/6/7 with engine 642.992
Transmission 711.670 in model 204 with engine 642, 651
Transmission 711.670 in model 207 with engine 651

11

Remove bearing bushing (2) of main shifter shaft

 Internal extractor

*000589253300

 Counter stay

*000589333300



Clean

12

Clean seats and bearing seats

 Use clean, lint-free rag.



Assemble

13

Press bearing (11) into drive shaft (3) and attach retaining ring (10)

 Transmission 711.670 in model 204 with engine 642, 651
Transmission 711.670 in model 207 with engine 651
Replace the bearing (11).

 Replace retaining ring (10).

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

 Drift

*716589021500

14

Press drive shaft (3) into transmission housing front section (1) up to end stop

 Drift

*711589151500

15.1

Press in bearing (9) up to end stop

Transmission 711.651 in model 906.1/2/6/7 with engine 646.984/985/986/989/990
Transmission 711.660 in model 906.1/2/6/7 with engine 646.985/986/989/990

 The chamfer on the outer bearing race must point towards the output.

 Drift

*716589001500

15.2

Press in bearing (8) up to end stop

Transmission 711.660 in model 906.1/2/6/7 with engine 642.992
Transmission 711.670 in model 204 with engine 642, 651
Transmission 711.670 in model 207 with engine 651

 The chamfer on the outer bearing race must point towards the output.

 The drive-side inner bearing race is installed during assembly of the transmission housing.

 Drift

*716589001500

16

Press on output side inner bearing race (7) as far as the end stop on the countershaft (6)

Transmission 711.660 in model 906.1/2/6/7 with engine 642.992
Transmission 711.670 in model 204 with engine 642, 651
Transmission 711.670 in model 207 with engine 651

 Drift

*716589021500

17

Press in bearing bushing (2) of the main shifter shaft as far as the end stop

 Drift

*711589041500

18

Install lock washers (4)

 Bolt, locking plate for countershaft bearing, main shaft bearing or drive shaft bearing to transmission housing

*BA26.50-N-1007-01D

19

Install radial shaft sealing ring of drive shaft (3)

AR26.40-D-0335SD



Install

20

Assemble transmission housing

AR26.40-D-2002D

21

Install central clutch release bearing

Transmission 711.670 in model 204 with engine 642, 651
Transmission 711.670 in model 207 with engine 651

AR26.40-P-0345CW

Transmission 711.651 in model 906.1/2/6/7 with engine 646.984/985/986/989/990
Transmission 711.660 in model 906.1/2/6/7 with engine 642.992, 646.985/986/989/990

AR25.20-D-0180SD

22

Detach transmission from assembly stand

23

Install transmission

Transmission 711.670 in model 207 with engine 651

AR26.10-P-0020CWA

Transmission 711.670 in model 204 with engine 642, 651

AR26.10-P-0020SA

Transmission 711.651 in model 906.1/2/6/7 with engine 646.984/985/986/989/990
Transmission 711.660 in model 906.1/2/6/7 with engine 642.992, 646.985/986/989/990

AR26.10-D-0020G

 Gear set, shafts

Number

Designation

Transmission 711.651

Transmission 711.660

BA26.50-N-1007-01D

Bolt, locking plate for countershaft bearing, main shaft bearing or drive shaft bearing to transmission housing

Nm

10

10

 Gear set, shafts

Number

Designation

Transmission 711.670

BA26.50-N-1007-01D

Bolt, locking plate for countershaft bearing, main shaft bearing or drive shaft bearing to transmission housing

Nm

10