Assembling transmission main shaft

AR26.50-B-0426TA

Assembling transmission main shaft

12.02.16



Assemble

Danger!

Risk of injury on the skin or in the eyes by handling hot and incandescent objects

Wear gloves, clothes and safety goggles

AS00.00-B-0002-01A

1

Check the wearing between the synchronizing cone and the coupling sleeve

AR26.50-B-0420-12TA

*BE26.50-B-1004-01C

Feeler gauge

2

Attach the main shaft (23) in the immobilizer device

 Immobilizer device

*315589023100

3

Assemble the 2nd speed gear (25) with the needle bearing (24) in the main shaft (23)

 Grease the needle bearing (24) and the thrust collar of the 2nd gear (25).

4

Assemble the synchronizing ring (26) in the 2nd speed gear (25)

5

Fit the ring spring (28) in the synchronizing cone (27) and compress it in the synchronizing ring (26)

 Check the ring spring (28) for wearing, and if necessary replace. Grease the ring spring (28) and the synchronizing cone.

6

Assemble the synchronizing body (30) and install the safety lock (31)

 The safety lock (31) must be installed free from play, if necessary, install another with other thickness.

*BE26.50-B-1001-01C

7

Assemble the coupling sleeve (29)

The long chamfer must indicate the outlet side.

8

Fit the ring spring (32) in the synchronizing cone (33) and compress it in the synchronizing ring (35)

 Check the ring spring (32) for wearing, if necessary replace. Grease the ring spring (32) and the synchronizing cone.

9

Assemble the synchronizing ring (35) with the synchronizing cone (33)

10

Assemble the 1st speed gear (36) with the needle bearing (34)

 Grease the needle bearing (34) and the thrust collar of the 1st speed gear (36).

11

Assemble the synchronizing body of the reverse gear (37)

 The collar must indicate to the 1st speed gear (36).

12

Heat the bushing (41) at 100 °C and assemble it in the main shaft

 Adjust the busing (41) free from axial play.

Temperature gauge

Heating plate

13

Assemble the coupling sleeve (40)

 Vehicles with code (GS1) gearbox "manual" actuation, the rounded teeth in the coupling sleeve (40) must indicate to the output.

Vehicles with code (GS2) gearbox electro-pneumatic actuation, the sharp toothed of the coupling sleeve (40) must indicate to the shifting side.

14

Install the reverse gear coupling fork (39) with the sliding shoes (38)

 The shoulder (arrow) in the reverse gear coupling fork (39) must indicate to the output.

15

Assemble the reverse gear (43) with the needle bearing (42)

 Grease the needle bearing (42) and the thrust collar of the reverse gear (43).

16

Heat the taper roller bearing (44) at 100 °C and assemble it in the main shaft

 Adjust the taper roller bearing (44) free from axial play.

Temperature gauge

Heating plate

17

Install the sun gear (46), the spacer washer (45) and the lock ring (47)

 The spacer washer (45) is only installed in taper roller bearings (44) without collar.

The shoulder in the sun gear internal toothed (46) must be positioned to the taper roller bearing (44), and the flat side to the lock ring (47).

18

Turn and attach the main shaft (23) in the immobilizer device

 Immobilizer device

*315589023100

19.1

Assemble the 4th speed gear (21) with the needle bearing (22)

 Grease the needle bearing (22) and the thrust collar of the 4th speed gear (21).

Gearbox 715.527

19.2

Fit the 3th speed gear (21) with the needle bearing (22)

 Grease the needle bearing (22) and the thrust collar of the 3rd speed gear (21).

Gearbox 715.517

20.1

Assemble the synchronizing ring (20) in the 4th speed gear (21)

Gearbox 715.527

20.2

Assemble the synchronizing ring (20) in the 3rd speed gear (21)

Gearbox 715.517

21

Assemble the ring spring (19) in the synchronizing cone (18) and press it in the synchronizing ring (20)

 Check the ring spring (19) for wearing, if necessary replace. Grease the ring spring (19) and the synchronizing cone.

22

Assemble the synchronizing body (17), and install the safety lock (16)

 The long collar must indicate the outlet side.

The safety lock (16) must be installed free from play, if necessary, install another with other thickness.

*BE26.50-B-1001-01C

23

Heat the taper roller bearing (12) at 100 °C and assemble it in the main shaft

 Adjust the taper roller bearing (12) without axial play.

Apply multi-use grease in the taper roller bearing (12).

*BR00.45-B-1056-06A

Temperature gauge

Heating plate

24

Install the coupling sleeve (15)

 The long chamfer must indicate the output side.

25

Assemble the ring spring (14) in the synchronizing cone (13) and compress it in the synchronizing ring (11)

 Check the ring spring (14) for wearing, if necessary replace. Grease the ring spring (14) and the synchronizing cone.

26

Install the synchronizing ring (11) with the synchronizing cone (13)

27

Assemble the constant gear 2 (10)

28

Heat the taper roller bearing (6) at 100 °C and assemble it in the main shaft

 Apply multi-use grease in the taper roller bearing (6).

*BR00.45-B-1056-06A

Temperature gauge

Heating plate

29

Determine the shim (4) for the main shaft

 The shim (4) is to adjust the axial play of the constant gear 2 (10).

AR26.50-B-0420-11TA

*BE26.50-B-1002-01C

 Dial indicator

*001589532100

 Adjustment sleeve

*715589002100

Adjustment template

*714589042100

 Extender

*366589002105

30

Fit the determined shim (4) and the compensating washer (5)

 The compensating washer (5) is only installed in taper roller bearings (6) without collar.

31

Heat the taper roller bearing (3) at 100 °C and assemble it in the main shaft

 Adjust the taper roller bearing (3) without axial play.

Temperature gauge

Heating plate

32

Assemble and tight the self-locking nut (1)

 Apply chemical lock in the self-locking nut (1) and in the main shaft axle thread (23)

Do not reuse the safety washer (2).

Safety washer (only for self-locking nut (1) without collar).



*BA26.50-B-1001-01C

33

Assemble the synchronizing ring (9) in the constant gear 2 (10)

 Only vehicles with gearbox 715.517

34.1

Assemble the ring spring (7) in the synchronizing cone (8) and press it in the synchronizing ring (9)

 Check the ring spring (7) for wearing, if necessary replace. Grease the ring spring (7) and the synchronizing cone.

Gearbox 715.517

34.2

Assemble the ring spring (7) in the synchronizing cone (8) and compress it in the synchronizing ring of the constant gear 2 (10)

 Check the ring spring (7) for wearing, if necessary replace. Grease the ring spring (7) and the synchronizing cone.

Gearbox 715.527

35

Assemble the reverse gear control bar (49) and fit the clamp (48)

Número

Denominação

Gearbox 715.527

Gearbox 715.517

BE26.50-B-1001-01C

Axial clearance of lock rings

mm

<0.08

<0.08

BE26.50-B-1002-01C

Axial clearance of tapered roller bearings in constant throttle valve 2

mm

0,02...0,08

0,02...0,08

BE26.50-B-1004-01C

Wear limit between synchronizing cone and sliding coupling sleeve

mm

<0.3

<0.3

Número

Denominação

Gearboxes 715.517/527

BA26.50-B-1001-01C

Self-locking nut retaining the pilot bearing in the secondary shaft

Nm

300

Nut with microencapsulation

Nm

340

Número

Denominação

Número de pedido

BR00.45-B-1056-06A

Vaseline - DBL 6850.00

A 000 989 15 51