ar2650i2001a

Remove/install and adjust main shaft and countershaft

Type ar · topic 26.50 · version 0105 · 2011-08-16

Applies to: TRANSMISSION 712.351 in MODEL 397, 684

Where it sits

Function group 2 Chassis › 26 Manual transmission › 26.50 Gear assembly, shafts, differential — Series 397 · Series 684

EinPAS 17 Drivetrain/axle › 17.20 Transmission › 17.20.50 Shaft/gear/synchronization — Series 397 · Series 684

Also applies to engines/gearboxes: 712 351

AR26.50-I-2001A

Remove/install and adjust main shaft and countershaft

15.8.11

TRANSMISSION 712.351 in MODEL 397, 684

Remove/install and adjust main shaft and countershaft

N26.50-2047-09

1 Shift mechanism

2 Bolt

3 Washer

4 Spacer plate

5 Shift housing gasket

6 Screw plug

7 Sealing ring

8 Spring

9 Centering pin

10 Nut

11 Output flange

12 Transmission housing

13 Main shaft

26 Oil drain screw

27 Side cover

28 Side cover gasket

29 Bolt

30 Outer bearing race of input shaft tapered roller bearing

31 Bolts

32 Washers

33 Magnet

35 Speedometer drive worm

14 Countershaft

15 Input shaft bearing cap

16 Input shaft

17 Transmission rear end cover

18 Reverse gear

19 Countershaft shim

20 Outer bearing race of countershaft front tapered roller bearing

21 Bearing cap shim

22 Nilos ring

23 Bearing cap gasket

24 Washer

25 Bolt

Remove

1

Remove transmission housing (12)

AR26.40-I-2001A

2

Remove main shaft (13), shift rods, and countershaft (14).

AR26.50-I-2002-03A

*710589016300

*710589026300

Install

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

3

Install main shaft (13) in rear transmission cover (17) together with shift rods and countershaft (14).

AR26.50-I-2002-02A

*BE26.30-N-1001-01B

*BA26.30-N-1008-01E

*BA26.50-N-1001-01H

*710589016300

*710589026300

4

Determine countershaft shim (19) for countershaft (14).

The countershaft shim (19) ensures the correct preload for the tapered roller bearing on the countershaft (14).

AR26.50-I-4775-01A

*BE26.40-N-1001-01A

*BA26.30-N-1007-01E

*710589016300

*710589026300

*710589002100

5

Remove countershaft (14) and outer bearing race of countershaft front tapered roller bearing (20) from transmission housing (12).

6

Place previously determined shim (19) for countershaft (14) in transmission housing (12).

7

Install outer bearing race of countershaft front tapered roller bearing (20) and countershaft (14) in transmission housing (12).

8

Install transmission housing (12)

AR26.40-I-2001A

Inspection data of cover

Number

Designation

Transmission 712.351

BE26.30-N-1001-01B

Installation depth of radial sealing ring in rear transmission cover

mm

7...8

Inspection data of cover

Number

Designation

Transmission 712.351

BE26.40-N-1001-01A

Shims, transmission housing bearing cap

mm

0.02...0.09

Cover

Number

Designation

Trans-mission 712.351

BA26.30-N-1007-01E

Bolt, rear transmission cover to transmission housing

M8

Nm

23

BA26.30-N-1008-01E

Bolt for gear lock on rear transmission cover

M6

Nm

10

Gear set, shafts

Number

Designation

Trans-mission 712.351

BA26.50-N-1001-01H

Nut for output flange on main shaft

M24

Nm

330

Remove/install and adjust main shaft and countershaft
Remove/install and adjust main shaft and countershaft
Remove/install and adjust main shaft and countershaft

710 589 02 63 00

Dial indicator with magnet

Bracket

Bracket

710 589 01 63 00

710 589 00 21 00

Referenced documents