Disassemble/assemble transmission housing

AR26.40-P-2002E

Disassemble/assemble transmission housing

19.11.09

17.1.07

Nut, output flange to main shaft

Transmission 716.6

*BA26.50-N-1001-01D



Removing

Danger!

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between the columns of the lifting platform and position the four support plates at the lifting platform support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

Danger!

Risk of injury to skin or eyes caused by hydraulic fluid spraying out under high pressure. Risk of poisoning caused by swallowing hydraulic fluid

Depressurize the hydraulic system completely before starting any work on the system. Wear protective clothing and safety glasses.

AS00.00-Z-0013-01A

1

Detach cover (21) of electrical connectors on right of transmission

2

Unplug 2-pin SEQ connector (X22/18)

3

Switch on ignition and switch through the gears until the transmission is unpressurized

 Read out hydraulic pressure with STAR DIAGNOSIS The transmission must be unpressurized.

STAR DIAGNOSIS diagnosis system

4

Drain hydraulic fluid

AR26.60-D-0008-01A



Clean

5

Clean the area around the oil drain screw (14)

Cleaner from package

*BR00.45-Z-1032-04A

6

Remove oil drain screw (14) and drain transmission oil

7

Remove transmission

AR26.10-P-0020E



Disassemble

8

Fasten transmission on assembly stand

AR26.10-P-0036D

9

Remove output flange (2)

 Pin wrench

*129589010700

 Socket wrench bit

*126589020900

10

Remove pressure reservoir

AR26.60-D-0015A

11

Remove rpm sensor

AR26.19-D-0023A

12

Remove hydraulic pump

AR26.60-D-0007A

13

Remove sensor plate

AR26.60-D-0017B

14

Removing hydraulic module

AR26.60-D-0019-01B

 Screwdriver

*716589001100

15

Remove oil reservoir

AR26.60-D-0020A

16

Remove bleed hoses (6, 7)

17

Remove vent housing (4)

18

Remove reverse gear lock (3)

 Impact extractor

*602589003300

 Extraction claw

*716589033300

19

Remove bracket (8)

 Unclip central connector (10) and plug (16).

20

Remove electric cable harness (19)

 Remove bolts (11, 12, 17) and expose lines.

21

Remove bracket (18)

22

Remove central clutch release bearing

AR26.40-D-0345A

23

Disassemble transmission housing

AR26.40-D-2002-01A

 Retainer wrench

*716589000900

 Drift

*711589041500

 Pliers for external circlip

24

Remove main shaft and countershaft with shift unit

AR26.50-D-4000-01A

Assembly plate

*716589003100

 Puller

*000589653300

 Jaw

*000589873300



Assemble

25

Install main shaft and countershaft with shift unit

AR26.50-D-4000-02A

Assembly plate

*716589003100

 Insertion sleeves

*716589003300

26

Assemble transmission housing

AR26.40-D-2002-02A

 Collar nut, output flange to main shaft

*BA26.50-N-1001-01D

 Countershaft bolt

*BA26.50-N-1005-01D

 SEQ gearshift lever

*000589856300

 Screwdriver

*716589001100

 Drift

*210589031500

 Pin wrench

*129589010700

 Socket

*126589020900

 Drift

*716589011500

 Retainer wrench

*716589000900

 Drift

*210589041500

 Insertion tool

*716589043300

 Pliers for external circlip

Sealant

*BR00.45-Z-1017-01A

27

Install bracket (18)



*BA26.60-N-1023-01A

28

Mount electrical wiring harness (19)

 Ground terminal point of wiring harness to transmission

*BA26.60-N-1020-01A

 Wiring harness to transmission bottom right

*BA26.60-N-1021-01A

 Wiring harness to transmission bottom left

*BA26.60-N-1022-01A

29

Install bracket (8)



*BA26.60-N-1019-01A

 Clip in central connector (10) and plug (16).

30

Drive in reverse gear lock (3) as far as it will go

31

Install vent housing (4)

 Grease contact surfaces of transmission housing.



*BA26.60-N-1018-01A

32

Install ventilation hoses (6, 7)

33

Install central clutch release bearing

AR26.40-D-0345A

34

Install oil reservoir

AR26.60-D-0020A

35

Install hydraulic unit

AR26.60-D-0019-02B

 Pressure line, hydraulic unit to hydraulic unit

*BA26.60-N-1010-01A

 Pressure line, hydraulic pump to hydraulic unit

*BA26.60-N-1011-01A

 Bolt, hydraulic unit to bottom of transmission

*BA26.60-N-1012-01A

 Clutch line to hydraulic unit

*BA26.60-N-1013-01A

 Bolt, connecting sleeve to central shift shaft

*BA26.60-N-1014-01A

 Bolt, hydraulic unit to top of transmission

*BA26.60-N-1017-01A

 Bracket, connection hose to hydraulic unit

*BA26.60-N-1024-01A

 Bolt, solenoid displacement angle to connecting sleeve

*BA26.60-N-1026-01A

 Screwdriver

*716589001100

Sealant

*BR00.45-Z-1017-01A

36

Install sensor plate

AR26.60-D-0017B

37

Install hydraulic pump

AR26.60-D-0007A

38

Install rpm sensor

AR26.19-D-0023A

39

Tighten oil drain screw (14)



*BA26.40-P-1004-01C

40

Remove oil filler screw (13)

41

Fill with transmission oil

 The transmission must be in the installation position.

 Correct oil level = 10 mm below bottom edge of filler opening.

*BF26.10-P-1001-01C

 Carry out measurement e.g. with a slanted Allen wrench.



Filling capacity of transmission oil revised

BT26.00-P-0001-01A

42

Tighten oil filler screw (13)



*BA26.40-P-1003-01C

43

Install pressure reservoir

AR26.60-D-0015A

44

Remove transmission from assembly stand



Install

45

Install transmission

AR26.10-P-0020E

46

Top up hydraulic oil

AR26.60-D-0008-01A



*BF26.10-P-1002-01C

 Hand pump

*210589007100

47

Push on ASG connector, 2-pin (X22/18) until it latches

48

Mount cover (21) of electrical connectors on right of transmission

 Insert journal (arrow) of cover (21) in bracket.

49

Teach in turning angle sensors using STAR DIAGNOSIS

Number

Designation

Trans-mission
716.6

BA26.40-P-1003-01C

Oil filler plug

Nm

35

BA26.40-P-1004-01C

Oil drain screw

Nm

30

Number

Designation

Trans-mission
716.6

BA26.50-N-1001-01D

Nut, output flange to main shaft

M121.5

Nm

110

M241.5

Stage 1

Nm

-

Stage 2

Nm

-

Stage 3

Nm

-

M261.5

Stage 1

Nm

-

Stage 2

Nm

-

Stage 3

Nm

-

BA26.50-N-1005-01D

Bolt, countershaft to countershaft bearing

M141.5

Nm

75

M181.5

Nm

100

Number

Designation

Trans-mission 716.622/
662

Trans-mission 716.623

BA26.60-N-1010-01A

Pressure line, hydraulic unit to pressure reservoir

Nm

16

16

BA26.60-N-1011-01A

Pressure line hydraulic pump - hydraulic unit

Nm

16

16

BA26.60-N-1012-01A

Bolt at bottom of hydraulic unit to transmission

Nm

9.5

9.5

BA26.60-N-1013-01A

Clutch line to hydraulic unit

Nm

16

16

BA26.60-N-1014-01A

Bolt of connecting sleeve to central shift shaft

Nm

11.5

11.5

BA26.60-N-1017-01A

Bolt for hydraulic unit on top of transmission

Nm

7.5

7.5

BA26.60-N-1018-01A

Bolt, vent housing to transmission

Nm

6

6

BA26.60-N-1019-01A

Bracket of central connector to transmission

Nm

10

10

BA26.60-N-1020-01A

Ground terminal point, wiring harness to transmission

Nm

10

10

BA26.60-N-1021-01A

Wiring harness to bottom right of transmission

Nm

10

10

BA26.60-N-1022-01A

Wiring harness on transmission at lower left

Nm

15

15

BA26.60-N-1023-01A

Bracket, connector of turning angle sensors

Nm

10

10

BA26.60-N-1024-01A

Bracket of connection hose to hydraulic unit

Nm

6

6

BA26.60-N-1026-01A

Bolt, magnet displacement angle to coupling sleeve

Nm

3

3

Number

Designation

Transmission
716.60/61/62/
630/631/632/
633/634/635/
636/638

Transmission
716.640/641/644/646/649, 716.653/654/655/656/657/658/66/67

BF26.10-P-1001-01C

Gear oil

Filling capacity

Liters

1.2

1.5

Specifications for Operating Fluids

Sheet

BB00.40-P-0235-10A

BB00.40-P-0235-10A

BF26.10-P-1002-01C

Hydraulic oil

Filling capacity

Liters

0.5

0.5

Specifications for Operating Fluids

Sheet

BB00.40-P-0345-00A

BB00.40-P-0345-00A

Number

Designation

Order number

BR00.45-Z-1032-04A

Cleaner from package

Würth GmbH
D-74650 Künzelsau

BR00.45-Z-1017-01A

Loctite 5203 sealant

002 989 71 20 10