Remove/install main shaft and countershaft with shift unit

AR26.50-S-0002SJ

Remove/install main shaft and countershaft with shift unit

04.06.2018

Transmission

711.6 in model 636, 639

except code MA0 (E-CELL 60 kW)

1

Nut

5

Shift fork

9

Shift fork

2

Output flange

6

Shift fork

10

Countershaft

3

Rear section of transmission housing

7

Shift fork

4

Main shaft

8

Support fixture



Remove

1

Remove manual transmission

AR26.10-S-0020SJ

2

Secure manual transmission to assembly stand

AR26.10-S-0036SD

3

Remove front section of transmission housing

AR26.40-S-2002SJ

4

Remove shift shaft

AR26.60-S-6500SJ

5

Insert gear set with transmission housing rear section (3) into support fixture (8)

AR26.40-S-2475-07SJ

 Support fixture

*711589034000

6

Remove output flange(2)

AR26.45-S-0070-01SD

 Nut, output flange to main shaft

*BA26.50-N-1001-01D

 Puller

*000589653300

 Puller

*355589003300

 Pin wrench

*901589000700

7

Detach rear section of transmission housing (3) from gear set

AR26.50-S-0002-03SJ

 Puller

*000589653300

 Gripper

*000589873300

8

Remove main shaft (4) and countershaft (10) with shift unit from support fixture (8)

AR26.50-S-0002-02SJ

 Support fixture

*711589034000

9

Remove radial shaft sealing ring and bearing of main shaft (4) from transmission housing rear section (3)

AR26.40-S-2476SJ

 The radial shaft sealing ring and bearing of the main shaft (4) must always be replaced.



Install

10

Install new bearing and new radial shaft sealing ring of main shaft (4) in transmission housing rear section (3)

AR26.40-S-2476SJ

11

Insert main shaft (4) and countershaft (10) with shift unit into support fixture

AR26.50-S-0002-01SJ

 Support fixture

*711589034000

12

Install rear section of transmission housing (3) on gear set

AR26.50-S-0002-04SJ

 Nut, output flange to main shaft

*BA26.50-N-1001-01D

 Pin wrench

*901589000700

13

Attach rear section of transmission housing (3) along with gear set onto the assembly stand

AR26.10-S-0036SD

14

Install shift shaft

AR26.60-S-6500SJ

15

Install front section of transmission housing

AR26.40-S-2002SJ

16

Remove manual transmission from assembly stand

AR26.10-S-0036SD

17

Install manual transmission

AR26.10-S-0020SJ

 Gear set, shafts

Number

Designation

Transmission 711.680

BA26.50-N-1001-01D

Nut, output flange to main shaft

M12x1.5

Nm

-

M24x1.5

Stage 1

Nm

-

Stage 2

Nm

-

Stage 3

Nm

-

M26x1.5

Stage 1

Nm

200

Stage 2, loosen

Nm

-

Stage 3

Nm

160