Assembling transmission main shaft

AR26.50-W-0426J

Assembling transmission main shaft

25.1.11



Assemble

1

Clamp transmission main shaft (29) on the output side into the clamping device

 Tensioning device

*315589023100

2

Install needle bearing (28) and 3rd gear gearwheel (27)

 Lubricate needle roller bearing (28).

3

Place driver (26) with chamfered teeth facing upwards onto 3rd gear gearwheel (27)

4

Install synchronizer cone (25)

5

Install synchronizer ring (24) and synchronizer cone (23)

 Lubricate synchronizer ring (24).

6

Install synchronizer body (22)

 Observe installation position:

The wide collar of the synchronizer body (22) must face towards the drive side.

7

Install circlip (21).

8

Check axial play between retaining ring (21) and synchronizer body (22), adjust if necessary

AR26.50-W-0426-01B

*BE26.50-N-1003-01A

9

Install sliding sleeve (20).

 Observe installation position:

The marking groove on the sliding sleeve (20) must face towards the output side. The straight tooth on the sliding sleeve (20) must match one of the 3 rectangular notches (arrow) on the synchronizer body (22).

10

Insert thrust pieces (7) with push springs (6) into recesses at synchronizer body (22)

 To do so shift sliding sleeve (20) through to 3rd gear gearwheel (27).

11

Install synchronizer cone (19)

12

Install synchronizer ring (18) and synchronizer cone (17)

 Lubricate synchronizer ring (18).

13

Install needle roller bearing (16), driver (15) and 4th gear gearwheel (14)

 Lubricate needle roller bearing (16).

 Danger!

Risk of injury to skin and eyes caused by handling hot or glowing objects.

Wear safety gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

14

Heat thrust washer (13) to approx. 80 °C and install

 Observe installation position:

The ground side of the thrust plate (13) must face towards the 4th gear gearwheel (14).

15

Install circlip (12).

16

Move shift sleeve (20) to neutral position

17

Check axial play between retaining ring (12) and thrust plate (13), adjust if necessary

AR26.50-W-0426-01B

*BE26.50-N-1004-01A

18

Install needle bearing (11) and 6th gear gearwheel (10)

 Lubricate needle roller bearing (11).

19

Install synchronizer cone (9) and synchronizer ring (8)

 Lubricate synchronizer ring (8).

20

Install synchronizer body (5)

 Observe installation position:

The high collar of the synchronizer body (5) must face towards the output-end.

21

Install circlip (4).

22

Check axial play between retaining ring (4) and synchronizer body (5), adjust if necessary

AR26.50-W-0426-01B

*BE26.50-N-1003-01A

23

Install sliding sleeve (3).

24

Insert thrust pieces (7) with push springs (6) into recesses at synchronizer body (5)

 To do so shift sliding sleeve (3) through to 6th gear gearwheel (10).

25

Install synchronizer ring (1) and synchronizer cone (2)

26

Secure synchronizer ring (1) and synchronizer ring (9) using retaining springs

 Retaining springs

*715589026300

27

Move shift sleeve (3) to neutral position

28

Output transmission main shaft (29) and insert from drive side into mounting plate

 Support plate

*715589016300

 If the production date of the support plate is before 10.2006, the support plate must be reworked:





Modify support plate for transmission.

WF58.50-N-2610-04A

29

Install needle bearing (30) and 2nd gear gearwheel (31)

 Lubricate needle roller bearing (30).

30

Install driver (32) and synchronizer cone (33)

31

Install synchronizer ring (34) and synchronizer cone (35)

 Lubricate synchronizer ring (34).

32

Install synchronizer body (36)

 Observe installation position:

The wide collar of the synchronizer body (36) must face towards the output-end.

33

Install circlip (37).

34

Check axial play between retaining ring (37) and synchronizer body (36), adjust if necessary

AR26.50-W-0426-01B

*BE26.50-N-1003-01A

35

Install sliding sleeve (38).

 Observe installation position:

The marking groove on the sliding sleeve (38) must face towards the output side. The straight tooth on the sliding sleeve (38) must match one of the 3 rectangular notches (arrow) on the synchronizer body (36).

36

Insert thrust pieces (7) with push springs (6) into recesses at synchronizer body (36)

 To do so shift sliding sleeve (38) through to 2nd gear gearwheel (31).

37

Install synchronizer cone (39)

38

Install synchronizer ring (40) and synchronizer cone (41)

 Lubricate synchronizer ring (40).

39

Install needle roller bearing (42), driver (43) and 1st gear gearwheel (44)

 Lubricate needle roller bearing (42).

40

Install synchronizer body (45)

41

Move shift sleeve (38) to neutral position

42

Install circlip (46).

43

Check axial play between retaining ring (46) and synchronizer body (45), adjust if necessary

AR26.50-W-0426-01B

*BE26.50-N-1003-01A

44

Install needle roller bearing (47) and reverse gear gearwheel (48)

 Observe installation position:

The rounded teeth on the reverse gear gearwheel (48) must face towards the rounded teeth on the synchronizer body (45).

45

Mount thrust plate (49) onto main shaft (29)

 Only up to transmission end no. 0042297

46

Assemble transmission

AR26.10-W-0010G

Number

Designation

Transmission
712.62/63
715.050/051/060/068

BE26.50-N-1003-01A

Play between circlip and synchronizer body

mm

0.00...0.07

BE26.50-N-1004-01A

Play between retaining ring and thrust plate

mm

0.00...0.07