Disassemble, assemble countershaft

AR26.50-D-4775D

Disassemble, assemble countershaft

30.10.15

Transmission

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

1

Retaining ring

7

Friction ring

13

Cone ring

2

Constant-mesh gear

8

Cone ring

14

Friction ring

3

6th gear drive gear

9

Synchronizer ring

15

Clutch body

4

3rd gear idler gear

10

Retaining ring

16

4th gear idler gear

5

3rd gear needle roller bearing

11

3rd/4th gear synchronizer unit

17

4th gear needle roller bearing

6

Clutch body

12

Synchronizer ring

18

Countershaft



Remove

1

Remove the transmission

AR26.10-D-0020G

2

Attach transmission to assembly stand

AR26.10-D-0036A

3

Disassemble transmission housing

AR26.40-D-2002D

4

Remove countershaft (18)

AR26.50-D-0002A



Disassemble

5

Disassemble countershaft (18)

AR26.50-D-4775-02D



Clean

6

Clean the components

 Use clean, lint-free rag.



Check

7

Check components

If damaged or worn



Replace corresponding component.



Assemble

8

Assemble countershaft (18)

AR26.50-D-4775-03D

 Set of assembly clamps

*711589013700

 Drift

*711589171500



Install

9

Install countershaft (18)

AR26.50-D-0002A

10

Attach gear set with rear section of transmission housing to assembly stand

AR26.10-D-0036A

11

Assemble transmission housing

AR26.40-D-2002D

12

Detach transmission from assembly stand

13

Install transmission

AR26.10-D-0020G