BENDIX BW2738 User Manual

We’ve Made Some Changes For The Better.

New

Design

9 Bendix Updates Design Of Its AD-IS® / AD-IP® Air

Dryer Purge Valve Assembly, Adds Replacement Kits

The times are changing and so are we. Over the years, evolving commercial vehicle engine emissions standards have resulted in higher heat and new air system contaminants. So, as part of our ongoing continuous improvement process, Bendix – the leader in air treatment system design – has redesigned our AD-IS for even greater service life and reliability for your customers.

Here’s an overview of the improvements along with an easy-to-use guide to help you and your customers transition to the new part numbers.

Our Updated Purge Valve Assembly Offers:

/ AD-IP® air dryer purge valve assembly

™

New

Replacement

OBSOLETE

FEATURES

• New dual U-cup seal

• Wear band addition

• A longer return spring with more active coils

Kit

BENEFITS

• Improved durability and performance from two seals versus one

• The U-cup seals are protected from additional premature wear

• Enables consistent piston return

Dual U-Cup Purge Valve Assembly Kit

New Part Numbers: K022105; K031559; K031560;

K031561; K031562; K031563

Current Status: Supersedes all existing quad ring kits

listed below as of 09/15/2008

Flip this document over to learn more about proper

assembly kit selection and current availability.

Quad Ring Purge Valve Maintenance Kit

Impacted Part Numbers: 5003547, 5017683 Current Status: Obsolete as of 09/15/2008 Why The Change?

Replace With: Replace with a complete valve assembly

Flip to the reverse of this document to learn more about

the proper assembly kit selection and current availability.

The new & improved piston design will not ﬁ t or operate in the old style housing of the Bendix purge valve.

• Durability lab test results show 2-3 times longer life than the previous design

• Extends service life signiﬁ cantly

• Prevents the valve piston from sticking or binding

ADVANTAGES

OBSOLETE

Quad Ring Purge Valve Assembly Kit

Impacted Part Numbers: 800404; 5009650; 5017682; 5017687 Current Status: Obsolete as of 09/15/2008 Why The Change?

The quad ring was replaced by the dual U-cup seals and wear

ring.

Replace With: Replace with a complete valve assembly

Read the reverse side of this document to learn more about

the proper assembly kit selection and current availability.

Original Kit

Piece Number

800404

Purge Valve Assembly Kit for climate

conditions above -40°C (-40°F)

5017687

Arctic Purge Valve Assembly Kit for climate conditions

between -40°C to -50°C (-40°F to -58°F)

5009650

Purge Valve Assembly Kit for climate conditions

above -40°C (-40°F)

5017682

Arctic Purge Valve Assembly Kit for climate

conditions between -40°C to -50°C (-40°F to -58°F)

5003547

Purge Valve Maintenance Kit for climate

conditions above -40°C (-40°F)

5017683

Arctic Purge Valve Maintenance Kit for climate

conditions between -40°C to -50°C (-40°F to -58°F)

Conﬁ guration /

Installation

AD-IS

/ AD-IP® Air Dryer

AD-IS® / AD-IP® EverFlow™ Air Dryer

AD-IP® Air Dryer Discharge Line Unloader

Purge valve maintenance kits will no longer be offered. Select the appropriate purge valve assembly kit from those shown above that best matches your application.

AD-IP

Drop-In Air Dryer

AD-IS

/ AD-IP® Air Dryer

AD-IP

Drop-In Air Dryer

Replacement Kit

Piece Number

K022105

K031560*

K031559

K031561*

K031562

K031563

* Available Q1 2009

For more information about the new updates to our redesigned purge valve assembly kits, or about any of our complete line of Genuine Bendix air dryers, valves, compressors, electronics, wheel end components and more, talk to your Bendix account manager, call 1-800-AIR-BRAKE (1-800-247-2725), or visit www.bendix.com today.