Dismantling and assembling clutch K1

AR27.51-P-0800A

Dismantling and assembling clutch K1

7.9.94



Disassembly

1

Remove snap ring (11) from outer multi-disc carrier (1)

2

Take out disc assembly (6, 7, 8 and 10) and disc spring (15)

 Check inner multi-discs for signs of scorching and wear

Immerse new inner multi-discs in ATF oil for approx. 1 hour before installing

3

Fit assembly device (020) on spring plate (4) and compress until snap ring (5) is exposed

Assembly device

*201589124300

4

Remove snap ring (5)

5

Remove spring plate (4) and springs (3)

 Note number of springs.

Do not confuse the springs from clutch K1 and clutch K2

6

Pull piston (2) out of outer multi-disc carrier (1)

7

Remove radial lip-type sealing rings (12/13) from piston

 Check radial lip-type sealing rings and replace if necessary

8

Remove snap ring (16) from outer multi-disc carrier (1)

9

Remove piston guide ring (18)

10

Remove sealing ring (17)



Assembly

11

Insert new sealing ring (17)

12

Insert piston guide ring (18)

13

Install snap ring (16) in outer multi-disc carrier (1)

14

Install piston K1 in outer multi-disc carrier

AR27.51-P-0800-01A

Sleeve

*126589021400

Sleeve

*140589001400

15

Install spring plate (4) and springs (3)

16

Fit assembly device (020) on spring plate (4) and compress until groove of snap ring (5) is exposed

Assembly device

*201589124300

17

Install snap ring (5)

 Check for proper seating

18

Install disc spring (15) and disc assembly (6, 7, 8 and 10) in outer multi-disc carrier (1)

 Place bulge of disc spring on piston

Note sequence of clutch discs (see section)!

19

Insert snap ring (11)

 After installing, use a screwdriver to press the snap ring upwards around its entire circumference



Measuring

20

Use a feeler gauge to measure play "A" and adjust if necessary with the snap ring (11)

 Snap rings are available as replacement parts in thicknesses of 2.0, 2.5 and 3.0 mm
Additional correction with the inner multi-discs is only necessary if the specified play "A" cannot be achieved with the snap ring

Inner multi-discs are available as replacement parts in thicknesses of 4.5 and 5.0 mm

*BE27.51-P-1002-01A

Number

Designation

Transmission 722.5

BE27.51-P-1002-01A

Play in multi-disc clutch K1

mm

0.7 – 1.3