Bendix Bw7535 Users Manual BW7535_US_000

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1

As fl eets continue to experience the advantages of Bendix® Air Disc Brakes and the number of vehicles with this

technology grows, there is an increasing need to have information on the brake chambers that are used on this

equipment.

To make it easier for you to service your vehicle(s), below is some key information on service part numbers, maintenance

kits, and a cross reference guide.

A. Universal Replacement Chamber Guide

There are many OEM air disc brake chamber part numbers utilized by truck fl eets. However, as with S-Cam chambers, the

recommended service replacement part is provided in a “universal” confi guration by Type and Size of the chamber itself.

This greatly simplifi es stocking requirements. Here is the Bendix Air Disc Brake Chamber universal part number quick

reference guide.

Bendix® EverSure® Air Disc Brake Spring Brake Chamber

Type* Stroke

Spring Brake

Universal

Replacement

Part No.

Diaphragm

Kit

Clamp

Ring

Kit

Dust

Plug

Bellows

Kit

T16/24 2.25”

(57mm)

K042457 K052484 K090235

K034202 K090594

T18/24 K043329 K052484

T20/24

2.50”

(63mm)

K041960 K052486 K090236

T22/24 K043148 K052487 K090237

T24/24 K043270 K052488

3/8”-18

NPTF Ports

* The chamber type is noted as TXX/5.6kN on the chamber bar code label. Note that 5.6kN refers to the force of the power spring.

Air Disc Brake spring brake chamber for trailers part number K026451 has been replaced by part number K043329.

Type Stroke

Spring Brake

Universal

Replacement

Part No.

Diaphragm

Kit

Clamp

Ring

Kit

Bellows

Kit

T14/24

2.25”

(57mm)

K026735 — —

K090594

T16/24 K026731 K052484 K090235

T18/16 K027557 K052485

T18/24

2.50”

(63mm)

K025670 K052486 K090236

T20/24 K025669 K052486

T22/24 K026737 K052488 K090237

T24/24 K026734 K052488

NG-3™ Piston Style Spring Brake Chamber

3/8”-18

NPTF Ports

Bendix® Air Disc Brake Chamber Service Information

Air Disc Brake Service Chambers

Type Stroke

Service New

Universal

Replacement

Pc. No.

Diaphragm

Kit

Clamp

Ring

Kit

Bellows

Kit

T12

2.25”

(57mm)

K028227 — —

K090594

T14 K028039

T16 K028226 K052484 K090235

T18

2.50”

(63mm)

K028022 K052486 K090236

T20 K028225 K052486

T22 K028238 K052487 K090237

T24 K028252 K052488

3/8”-18

NPTF Ports

Universal replacements may require re-clocking of the clamp band. See Bendix Service Data Sheet SD-02-4525 for instructions on re-clocking.

Size and Ref. Part Number

are stamped here

2

Item

No. Description

Kit Contents

Diaphragm

Kit

Clamp Ring

Kit

Bellows

Kit

1 Diaphragm 1 — —

2 Bellow 1 — 1

3 Spring 1 — —

4 Lock Nut 2 — 2

5 Screw 1 1 —

6 Hex Nut 1 1 —

7 Spacing Sleeve 1 1 —

8 Clamp Ring — 1 —

9 Grease Packet (not shown) 1 — 1

4

2

3

1

8

6

5

7

Maintenance Kits for Air Disc Brake Chambers

Caution: Be sure to follow the instruction sheet included in the kit when servicing.

The replacement diaphragm must match the original diaphragm.

The clamp band torque is 20 ft-lbs. (28 Nm.)

The mounting nut torque is 133 ft-lbs. (180 Nm.)

B. Bendix Air Disc Brake Chamber Maintenance Kit Contents

The following describes the components included in the maintenance kits referenced in Section A (Diaphragm Kit, Clamp

Ring Kit, Bellows Kit):

For Specifi c Part No. information, please see section A.

3

C. Bendix Air Disc Brake Chamber – OEM to Universal AM Replacement Cross-Reference

Information

Bendix Air Disc Brake Service Chambers

OEM

Part No. Size Stroke

Universal AM

Replacement Kit

5016147

T20 2.50”

(64mm) K028225

5016148

5016149

5016150

5016151

5016152

5016153

5016154

5016155

5016156

5016157

5016158

5016159

5016160

5016161

5016162

5017775

5017776

5018500

5018501

5019682

5019683

K025439

K025440

K026449

K026450

K034179

K034180

5016179

T16 2.25”

(57mm) K028226

5016180

5016183

5016184

5016185

5016186

5016187

5016188

5016189

5016190

5016191

5016192

5017995

5017996

5018299

5018300

5020042

5020043

OEM

Part No. Size Stroke

Universal AM

Replacement Kit

5020282

T16 2.25”

(57mm) K028226

5020283

K031541

K031542

K034062

K034063

5016736

T18 2.50”

(64mm) K028022

5016737

5016738

5016739

5016756

5016757

5018616

5017617

5019418

5019419

5019420

5019421

5019724

5019725

K031569

K031570

K034105

K034106

K044753 T20 2.50”

(64mm) K028225

K044754

K044755 T22 2.50”

(64mm) K028238

K044756

5016691

T24 2.50”

(64mm) K028252

5016692

5016693

5016694

5016695

5016696

5019385

5019386

K035714

K035715

5017180*

T18 2.25”

(57mm) K028022

5017181*

5017773*

5017774*

5017787*

5017788*

5017789*

5017790*

Universal replacements may require re-clocking of the clamp band. See Bendix Service Data Sheet SD-02-4525 for instructions on re-clocking.

*OE PN had 57mm stroke and is no longer in production. All of these

chambers can be serviced by Universal replacement T18 (64mm) part

number K028022, but they should always be replaced in pairs across

axle due to the stroke differences.

4

Bendix Air Disc Brake Service Chambers, continued

OEM

Part No. Size Stroke

Universal AM

Replacement Kit

5016678

T22 2.50”

(64mm) K028238

5016679

5016680

5016681

5016710

5016711

5017096

5017097

5016665

T12 2.25”

(57mm) K028227

5016666

5016667

5016668

5019740

OEM

Part No. Size Stroke

Universal AM

Replacement Kit

5016650

T14 2.25”

(57mm) K028039

5016651

5016652

5016653

5016654

5016655

5016656

5016657

5020018

5020019

K031902 T16 2.25”

(57mm) K028226

K031901

K025442 T18 2.50”

(64mm) K028022

K025443

NG-3 Piston Style Spring Brakes

OEM

Part No. Size Stroke

Universal

Replacement AM

Part No.

(Piston Style) Ref PN

5017187

T18/16 2.25”

(57mm) K027557 K012314

5017188

5017758

5017759

5017760

5017761

5016450

T16/24

2.25”

(57mm) K026731 K011097

5016451

5016452

5016453

5016454

5016455

5016941

5016942

5016722

2.50”

(64mm) K025670 K011236

5016723

5016724

5016725

5016726

5016727

5016770

5016771

5018434

5018435

3/8”-18

NPTF Ports

Size and Ref. Part Number

are stamped here

Universal replacements may require re-clocking of the clamp band. See Bendix Service Data Sheet SD-02-4525 for instructions on re-clocking.

Universal replacements may require re-clocking of the clamp band. See Bendix Service Data Sheet SD-02-4525 for instructions on re-clocking.

5

OEM

Part No. Size Stroke

Universal

Replacement AM

Part No.

(Piston Style) Ref PN

5018436

T18/24 2.50”

(64mm)

K025670 K011236

5018437

5018450

5018451

5019734

5019735

K025437

K025438

5016264

T20/24 2.50”

(64mm) K025669 K011101

5016265

5016279

5016280

5016281

5016282

5016283

5016284

5016285

5016286

5016287

5016288

5016289

5016290

5016775

5016776

5016784

5016785

K025435

K025436

5016463

T24/24 2.50”

(64mm) K026734 K011109

5016464

5016465

5016466

5016467

5016468

5016469

5016470

K029173

K029174

5016933

T22/24 2.50”

(64mm) K026737 K011106

5016934

5017710

5017711

NG-3 Piston Style Spring Brakes, continued

Universal replacements may require re-clocking of the clamp band. See Bendix Service Data Sheet SD-02-4525 for instructions on re-clocking.

3/8”-18

NPTF Ports

Size and Ref. Part Number

are stamped here

6

Bendix EverSure® Double Diaphragm ADB Spring Brakes

OEM

Part No. Size Stroke

Universal Replacement

AM PN – EverSure® ADB

K042441

T16/24 2.25”

(57mm) K042457

K042442

K042443

K042444

K042445

K042446

K042447

K042448

K043290

T18/24 2.25”

(57mm) K043329

K043291

K043294

K043295

K043296

K043297

K043302

K043303

K043304

K043305

K057415

T16/24 2.25”

(57mm) K042457

K057416

K057417

K057418

K059879

K059880

K065798

K059884

T18/24 2.25”

(57mm) K043329

K059885

K065541

K066986

K066987

K066988

K066989

K039215

T20/24 2.50”

(64mm) K041960

K039219

K039220

K039221

K039222

K039225

K039227

K039229

K039230

K039231

K039232

K057413

Universal replacements may require re-clocking of the clamp band. See Bendix Service Data Sheet SD-02-4525 for instructions on re-clocking.

3/8”-18

NPTF Ports

7

OEM

Part No. Size Stroke

Universal Replacement

AM PN – EverSure® ADB

K057414

T20/24 2.50”

(64mm) K041960

K059877

K059878

K065543

K043136

T22/24 2.50”

(64mm)

K043148

K043137

K043138

K043139

K059882

K059883

K072251

K043250

K043270

K043251

K043252

K043253

K043254

K043255

K043256

K043257

K043258

K043259

5017127

T18/5.4 2.25”

(57mm) K043329

5017128

5017129

5017130

5017661

5017662

5020487

5020488

5020489

K026129

K026128

K026127

K026453

Bendix EverSure® Double Diaphragm ADB Spring Brakes, continued

Universal replacements may require re-clocking of the clamp band. See Bendix Service Data Sheet SD-02-4525 for instructions on re-clocking.

3/8”-18

NPTF Ports

BW7535 ©2013 Bendix Spicer Foundation Brake LLC • 10/13 • All Rights Reserved

901 Cleveland Street • Elyria, Ohio 44035 • 1-866-610-9709 • www.foundationbrakes.com

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