Disassemble/assemble front section of transmission housing

AR26.40-B-2471C

Disassemble/assemble front section of transmission housing

05.09.2017

Transmission

712.370 in model 688

Transmission

712.371 in model 688

1

Cover

2

Oil drain plug

3

Gasket

4

Cover

5

Bolt

6

Cover

7

Oil filler plug

8

Reverse gear switch

9

Sphere bushing

10

Gearbox front case



Remove

1

Remove the front housing from the gearbox

AR26.40-B-2470D

2

Remove the cover (1)

3

Remove the oil draining plug (2)

 .Oil drain plug

*BA26.40-B-1001-01C

4

Remove the bolts (5) and the cover (4)

5

Remove the joint (3)

6

Remove the cap (6)

7

Remove oil filler plug (7)

 .Oil filling plug

*BA26.40-B-1002-01C

8

Remove the ball bush (9)

 Internal extractor

*000589263300

 Counter stay

*000589333300

9

Remove reverse gear switch (8)



Install

10

Install the ball bush (9)

 Heat gearbox housing to 100 °C in the ball bush track and mount them with an appropriate mandrel.

 Drift

*055589551500

11

Install a new gasket (3)

 Clean contact surfaces.

12

Install the cap (4) and fix it with the screws (5)

 .Side covers' bolts

*BA26.40-B-1004-01C

13

Install the cover (1)

14

Install the oil drain plug (2) and the oil filler plug (7)

 .Oil drain plug

*BA26.40-B-1001-01C

 .Oil filling plug

*BA26.40-B-1002-01C

15

Install the cap (6)

16

Install reverse gear switch (8)

 .Reverse gear switch

*BA26.40-B-1006-01C

17

Install front carcass on gearbox

AR26.40-B-2470D

 Housing

Number

Designation

Gearbox 712.370/371/372

BA26.40-B-1001-01C

Oil drain plug

Nm

50

 Housing

Number

Designation

Gearbox 712.370/371/372

BA26.40-B-1002-01C

Oil filling plug

Nm

50

 Housing

Number

Designation

Gearbox 712.370/371/372

BA26.40-B-1004-01C

Side covers' bolts

Nm

46

 Housing

Number

Designation

Gearbox 712.370/371/372

BA26.40-B-1006-01C

Reverse gear switch

Nm

50