Remove/install range group

AR26.31-G-3100AD

Remove/install range group

27.04.2018

Transmission

715.366 in model 800

1

Transmission

7

Carrier ring

14

Oil strainer

2

Catch bolt

8

Oil pump

15

Sealing ring

3

Spring

9

End cover

16

Screw plug

4

Screw plug

10

Output flange

B18

Travel and speed rpm sensor (only on bodies without 2-speed transfer case)

5

Bracket

11

Range group

6

Planetary gear set with shift mechanism

13

Spring

21

Compressed-air line

22

Compressed-air line

23

Compressed air connections

24

Electrical connector

B18

Travel and speed rpm sensor (only on bodies without 2-speed transfer case)

B504

Range group travel sensor

17

Drift

18

Threaded hole

19

Extraction bolt

20

Extraction bolt

Only for vehicles with transmission cooling

12

Oil lines

25

O-rings

50

Detaching tool

D

Arrow direction

E

Arrow direction

Installation diagram for screws securing transmission housing rear section to transmission housing center section without secondary coolant-retarder

A

Screw (screw length 48 mm)

B

Screw (screw length 62 mm)

C

Bolt (bolt length 83 mm)

Installation diagram for screws securing transmission housing rear section to transmission housing center section with secondary coolant-retarder

A

Screw (screw length 48 mm)

B

Screw (screw length 62 mm)

C

Bolt (bolt length 83 mm)

68

Main shaft

69

Oil restrictor

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Notes on compressed air connection systems

AH00.18-N-0001-01A



Remove

1

Drain fluid from transmission.



AP26.00-G-2601OH

2.1

Remove end cover (9).

On transmission (1) without power take-off.

AR26.30-G-3001AD

2.2

Remove power take-off.

On transmission (1) with power take-off.

Power take-off 121

AR26.45-G-0004ADA

Power take-off 123, 124

AR26.45-G-0004ADB

Power take-off 125

AR26.45-G-0004ADC

Power take-off 131

AR26.45-G-0004ADD

Power take-off 135

AR26.45-G-0004ADE

3

Remove oil pump (8).

AR26.55-G-3000AD

4

Detach oil lines (12) and collect escaping oil in a suitable container.

Only on transmission (1) with transmission oil cooling.

 To release, push the detaching tool (50) first in the direction of the arrow (arrow D) and then in the direction of the arrow (arrow E).

 Detaching tool

*221589013300

5

Detach propeller shaft from output flange (10) and secure to prevent it from falling.

6

Remove retarder.

Only on transmission with secondary coolant-retarder.

7

Detach compressed-air lines (21, 22) from range group cylinder.

8

Detach compressed-air lines from compressed-air connections (23) of range group cylinder.

Only on transmission with power take-off.

9

Remove screw plug (4), remove catch bolt (2) and spring (3).

 The screw plug (4) is spring-loaded.

10.1

Disconnect electrical connector from travel and speed rpm sensor (B18) and create access to electrical line at transmission (1).

On body without 2-speed transfer case.

10.2

Disconnect electrical connector from output shaft rpm sensor and create access to electrical line at transmission (1).

On body with 2-speed transfer case.

11

Disconnect electrical connector (24) from range group travel sensor (B504).

12

Remove bracket (5) from transmission (1) and place to one side.

13

Remove screw plug (16), oil strainer (14) and spring (13).

14

Remove screws around circumference of range group (11).

15

Install drift (17).

 Drift

*715589091500

16

Pull off range group (11) evenly with puller screws (19, 20) via threaded holes (18).

 Puller screws

*715589143300

17

Disassemble range group (11).

Only if the range group (11) is to be repaired.

AR26.31-G-3200AD



Install

18

Install oil restrictor (69) on main shaft (68).

Only if no oil restrictor (69) is installed in the main shaft (68).

AR26.50-G-0004AD

19

Assemble range group (11).

Only if the range group (11) has been disassembled.

AR26.31-G-3200AD

20

Clean sealing surface on transmission (1) and on range group (11) and coat with sealant.

Loctite 5203 sealant

*BR00.45-Z-1015-01A

21

Position range group (11) on transmission (1) and rotate output flange (10) to mesh teeth on sun gear and in planetary gear set with shift mechanism (6).

22

Align carrier ring (7) with centering pin on transmission (1) and push in range group (11) up to contact.

23

Tighten screws around circumference of range group (11).

 Observe the installation diagram for the bolts and also the different bolt lengths.

 Bolt, transmission housing rear section to transmission housing center section

*BA26.40-N-1002-01HA

24

Remove drift (17).

25

Install spring (13), oil strainer (14) and screw plug (16) with new sealing ring (15).

 The guide lugs on the oil strainer (14) must point toward the screw plug (16).

 Screw plug, oil strainer

*BA26.56-N-1001-01HA

26

Install oil pump (8).

AR26.55-G-3000AD

27

Insert catch bolt (2) with spring (3) and tighten screw plug (4).

 Range group shift rod lock to transmission housing

*BA26.31-N-1003-01HA

28

Attach bracket (5) to transmission (1).

 Screw/bolt, bracket to transmission

*BA26.40-N-1009-01HA

29

Reconnect electrical connector (24) to range group travel sensor (B504).

30.1

Reconnect electrical connector to travel and speed rpm sensor (B18) and fasten electrical line on transmission (1).

On body without 2-speed transfer case.

30.2

Reconnect electrical connector to output shaft rpm sensor and fasten electrical line on transmission (1).

On body with 2-speed transfer case.

31

Attach compressed-air lines (21, 22) to range group cylinder.

32

Attach compressed-air lines to compressed-air connections (23) of range group cylinder.

Only on transmission with power take-off.

33

Install oil lines (12) with new O-rings (25).

Only on transmission with transmission oil cooling.

34

Install retarder.

Only on transmission with secondary coolant-retarder.

35

Attach propeller shaft to output flange (10).

 Bolt/nut, propeller shaft to flange connection

*BA41.10-N-1002-01F

36.1

Install end cover (9).

On transmission (1) without power take-off.

AR26.30-G-3001AD

36.2

Install power take-off.

On transmission (1) with power take-off.

Power take-off 121

AR26.45-G-0004ADA

Power take-off 123, 124

AR26.45-G-0004ADB

Power take-off 125

AR26.45-G-0004ADC

Power take-off 131

AR26.45-G-0004ADD

Power take-off 135

AR26.45-G-0004ADE

37

Pour in transmission oil and correct transmission oil level.



AP26.00-G-2601OH

38

Connect vehicle diagnosis system and switch on ignition.

 See information from body manufacturer.

39

Perform initial quick test.

 The initial quick test is saved until the end of the diagnosis session as an initial quick test.

40

Teach-in transmission control unit (TCM) (A5) and clutch.

 The teach-in process is completely menu-assisted under:
TCM - transmission control unit (A5) 
Adaptations

41

Delete fault memory in all the control units.

42

Run final quick test, print out initial quick test and final quick test and file in a tamperproof manner.

 There must be no fault codes in the control units being updated. If necessary, process any fault codes in other control units, subject to a separate repair order.

43

Remove vehicle diagnosis system.

 Range group

Number

Designation

Transmission 715.356/366

BA26.31-N-1003-01HA

Range group shift rod lock to transmission housing

Size 24

Nm

50

Size 32

Nm

100

 Housing

Number

Designation

Transmission 715.356/366

BA26.40-N-1002-01HA

Bolt, transmission housing rear section to transmission housing center section

Nm

80

 Housing

Number

Designation

Transmission 715.356/366

BA26.40-N-1009-01HA

Screw/bolt, bracket to transmission

M6

Nm

10

M8

Nm

25

M10

Nm

50

 Transmission filter

Number

Designation

Transmission 715.356/366

BA26.56-N-1001-01HA

Screw plug, oil strainer

Nm

120

 Propeller shaft

Number

Designation

Model 800

BA41.10-N-1002-01F

Bolt/nut, propeller shaft to flange connection

M10

Nm

-

M12

Nm

100

M14

Nm

160

M16

Nm

200

Repair materials

Number

Designation

Order number

BR00.45-Z-1015-01A

Loctite 5203 sealant

A 002 989 71 20 10