Remove/install diaphragm brake cylinder of disk brake

AR42.10-W-0821AH

Remove/install diaphragm brake cylinder of disk brake

13.05.2019

Model

956

Model

963, 964

Model

967

1

Joint shoulder

5

Compressed-air line

9

Thrust rod

2

Brake lever

6

Diaphragm brake cylinder

10

Nuts

3

Brake caliper

7

Sealing surface

Pfeile

Rubber plugs (for new diaphragm brake cylinder)

4

Sealing surface

8

Sealing ring

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Notes on compressed air connection systems

AH00.18-N-0001-01A

Note on calculation of tightening torque when using insertion or socket tools with various effective lengths

AH00.00-P-0015-01CW



Remove

1

Remove air line (5) from diaphragm brake cylinder (6)

Model 967

AR42.10-W-0900NA

Model 963, 964

AR42.10-W-0900H

Model 956

AR42.10-W-0900NE

2

Remove diaphragm brake cylinder (6)



Check

3

Check housing of brake caliper (3) for condensation

If condensation is found in housing of brake caliper (3).



Install new brake caliper (3).

Model 956 Knorr disk brake with dia. 22.5"

AR42.10-W-0091A

Model 963, 964 disk brake Ø 22.5" from Knorr

AR42.10-W-0091H

Model 963, 964 disk brake Ø 22.5" from Wabco

AR42.10-W-0091D

Model 963, 967 disk brake Ø 17.5" from Knorr

AR42.10-W-0091B

Model 967 disk brake Ø 19.5" from Knorr

AR42.10-W-0091C

4

Check sealing surface (7), housing opening and push rod (9) of diaphragm brake cylinder (6) for corrosion

If traces of corrosion are found.



Install new diaphragm brake cylinder (6).



Install

5

Clean sealing surfaces (4, 7)

6

Grease spherical cap on brake lever (2) and sealing surface (7)

Installation grease (white) part number: II 14525

*BR00.45-Z-1021-06A

7

Install diaphragm brake cylinder (6)

 Disk brake Ø 17.5"Nut, diaphragm/combination brake cylinder to brake caliper

*BA42.10-N-1005-22B

 Disk brake Ø 19.5" and Ø 22.5"Nut, diaphragm/combination brake cylinder to brake caliper

*BA42.10-N-1007-22A

 Open wrench

*000589260100

 Torque wrench handle

*001589442100

8

Remove rubber plugs (arrows) at downward-facing hole of diaphragm brake cylinder (6)

Only when installing a new diaphragm brake cylinder (6).

9

Attach compressed air line (5) to diaphragm brake cylinder (6)

Model 956

AR42.10-W-0900NE

Model 963, 964

AR42.10-W-0900H

Model 967

AR42.10-W-0900NA

10

Check service brake for proper operation and leaktightness

 Disk brake

Number

Designation

Model 963
Disk brake Ø 17.5"

Model 967
Disk brake Ø 17.5"

BA42.10-N-1005-22B

Nut, diaphragm/combination brake cylinder to brake caliper

M16x1.5

Nm

180

180

 Disk brake

Number

Designation

Model 956

Model 963, 964

BA42.10-N-1007-22A

Nut, diaphragm/combination brake cylinder to brake caliper

M161.5

Nm

180

180

 Disk brake

Number

Designation

Model 967

BA42.10-N-1007-22A

Nut, diaphragm/combination brake cylinder to brake caliper

M161.5

Nm

180

Repair materials

Number

Designation

Order number

BR00.45-Z-1021-06A

Installation grease (white) part number: II 14525

Knorr-Bremse AG
Moosacher Str. 80
80809 Munich, Germany
Germany
Tel. +49 89 3547-0
Fax +49 89 3547-2767
www.knorr-bremse.de