Disassembling and assembling gear shift cylinder

AR26.18-B-2001GA

Disassembling and assembling gear shift cylinder

19.02.2019

Transmission

715.378

with code GE3 (Mercedes PowerShift)

Transmission

715.378

with code GE7 (Mercedes PowerShift 2)

Modification notes

12.12.2018

Actuation cylinder on the case

Gearbox 715.378 in the Type 934.2, 938.1, 958.4

BA26.20-B-1004-04A

1

Housing

2

Cover

3

Needle roller bearing

4

O-Rings

5

Radial shaft seal ring

6

Sealing ring

7

Differential piston

8

Sealing ring

9

Slipping ring

10

O-Ring

11

Actuation cylinder

 

Disassemble/assemble

1

Remove the gear shifting module

.

AR26.20-B-1004GA

2

Remove the actuation cylinder (11) from the housing (1)

 Installation: O-Rings (4, 10).

 .Actuation cylinder on the case

*BA26.20-B-1004-04A

3

Pull the differential piston out (7)

 Installation: Grease the slipping ring (9) and the seal rings (6, 8) with synthetic grease.

Synthetic grease 50 g

*BR00.45-Z-1027-06A

4

Remove the differential piston (7)

AR26.18-B-2001-02GA

Synthetic grease 50 g

*BR00.45-Z-1027-06A

5

Remove the radial shaft seal ring (5) from the housing (1)

Synthetic grease 50 g

*BR00.45-Z-1027-06A

6

Remove the cover (2) from the housing (1)

7

Remove the needle roller bearing (3)

 Installation: Install the needle bearing (3) with a proper mandrel.

 Internal extractor

*000589293300

 Counter stay

*000589343300

8

Assemble in the reverse order

 Gear module

Number

Designation

Gearbox 715.378 in the Type 934.2, 938.1, 958.4

BA26.20-B-1004-04A

Actuation cylinder on the case

-

Nm

50

Repair materials

Number

Designation

Order number

BR00.45-Z-1027-06A

Synthetic grease 50 g

A 001 989 32 51 10