Assembling transmission main shaft

AR26.50-B-0426TKA

Assembling transmission main shaft

12.02.16

29.08.14

Assemble the 4th speed gear (13) with the needle bearing (14) in the main shaft (15), included

Work pitch 15.1

29.08.14

Assemble the 3rd speed gear (13) with the needle bearing (14) in the main shaft (15)

Work pitch 15.2



Assemble

1

Check the wearing between the synchronizing cone and the coupling sleeve

AR26.50-B-0420-12TA

*BE26.50-B-1004-01G

Feeler gauge

2

Attach the main shaft (15) in the immobilizer device

 Immobilizer device

*315589023100

3

Assemble the 2nd speed gear (17) with the needle bearing (16) in the main shaft (15)

 Grease the needle bearing (16) and the thrust collar of the 2nd speed gear (17).

4

Assemble the synchronizing body (19) and install the lock (20) free from play

 The collar long side must be assembled for the 2nd speed gear (17).

If necessary, assemble a new lock (20) with another thickness.

*BE26.50-B-1001-01G

5

Assemble the coupling sleeve (18)

6

Assemble the 1st speed gear (22) with the needle bearing (21) in the main shaft (15)

 Grease the needle bearing (21) and the thrust collar of the 1st speed gear (22).

7

Assemble the reverse gear synchronizing body (23) in the main shaft (15)

 The collar in the synchronizing body must be directed to the 1st speed gear (22).

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

8

Heat the bushing (27) at 100 °C and assemble it in the main shaft

 Adjust the busing (27) free from axial play.

Temperature gauge

Heating plate

9

Assemble the coupling sleeve (26)

 The engaging direction of the coupling sleeve (26) must be directed to the actuation.

10

Assemble the reverse gear coupling fork (25) with the sliding shoes (24)

 The shoulder (arrow) in the reverse gear coupling fork (25) must indicate to the output.

11

Assemble the speed gear (29) with the needle bearing (28) in the main shaft (15)

 Lubricate the needle bearing (28) and the thrust collar of the reverse gear (29).

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

12

Heat the taper roller bearing (30) at 100 °C and assemble it in the main shaft

 Adjust the taper roller bearing (30) free from axial play.

Temperature gauge

Heating plate

13

Assemble the sun gear (31) and the lock ring (32)

 The shoulder in the sun gear internal toothed (31) must be positioned to the taper roller bearing (30), and the flat side to the lock ring (32).

14

Turn the main shaft (15) in the immobilizer device

 Immobilizer device

*315589023100

15.1

Assemble the 4th speed gear (13) with the needle bearing (14) in the main shaft (15)

Gearbox 715.531

Grease the needle bearing (14) and the thrust collar of the 4th speed gear (13).

15.2

Assemble the 3rd speed gear (13) with the needle bearing (14) in the main shaft (15)

Gearbox 715.535

Grease the needle bearing (14) and the thrust collar of the 3rd speed gear (13).

16

Assemble the synchronizing body (12) and install the lock (11) free from play

 The long collar must indicate to the outlet side.

If necessary, assemble a new lock (11) with another thickness.

*BE26.50-B-1001-01G

17

Assemble the coupling sleeve (10)

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

18

Heat the taper roller bearing (9) at 100 °C and assemble it in the main shaft

 Adjust the taper roller bearing (9) free from axial play and apply multi-use grease.

*BR00.45-B-1056-06A

Temperature gauge

Heating plate

19

Assemble the constant gear 2 (8)

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

20

Heat the taper roller bearing (7) at 100 °C and assemble it in the main shaft

 Apply multi-use grease in the taper roller bearing (7).

*BR00.45-B-1056-06A

Temperature gauge

Heating plate

21

Determine the shim (6) for the main shaft

 The shim (6) is to adjust the axial play of the constant gear 2 (8).

AR26.50-B-0420-11TA

*BE26.50-B-1002-01G

 Adjustment template

*714589042100

 Dial indicator

*001589532100

 Adjustment sleeve

*715589002100

 Extender

*366589002105

22

Install the determined shim (6)

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

23

Heat the taper roller bearing (5) at 100 °C and assemble it in the main shaft

 Adjust the taper roller bearing (5) free from axial play.

Temperature gauge

Heating plate

24

Assemble the self-locking nut (4)

 Self-locking nut (4) with left-hand thread.



*BA26.50-B-1001-01C

25

Assemble the synchronizing ring (3) in the constant gear 2 (8)

 Only gearbox 715.535

26

Assemble the ring spring (1) in the synchronizing cone (2) and press it in the synchronizing ring (3)

 Replace the ring spring, if necessary.

27

Assemble the reverse gear control bar (34) and fit the clamp (33)

Número

Denominação

Gearbox 715.531/535

BE26.50-B-1001-01G

Axial play of the locking rings

mm

< 0.08

BE26.50-B-1002-01G

Taper roller bearing axial clearance on the constant gear 2

mm

0,02...0,08

BE26.50-B-1004-01G

Wear limit between the synchromesh cone and the shifting sliding sleeve

mm

< 0.3

Número

Denominação

Gearboxes 715.531/535

BA26.50-B-1001-01C

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

Nm

-

Nut with microencapsulation

Nm

340

Número

Denominação

Número de pedido

BR00.45-B-1056-06A

Vaseline - DBL 6850.00

A 000 989 15 51