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The information contained herein is subject to alteration without notice and therefore may not be the latest release. Please check our website truckservices.knorr-bremse.com for the latest update or contact your local Knorr-Bremse representative. The figurative mark “K” and the trademarks 

KNORR and KNORR-BREMSE are registered in the name of Knorr-Bremse AG. Additional terms and conditions apply; please refer to our website truckservices.knorr-bremse.com for full Disclaimer. Note: If service work is carried out on a vehicle based on information provided herein, it is the 

responsibility of the workshop to ensure the vehicle is fully tested and in full functional order before the vehicle is returned into service. Knorr-Bremse accepts no liability for problems caused as a result of appropriate tests not being carried out.

Copyright © Knorr-Bremse AG - all rights reserved, including industrial property rights applications. Knorr-Bremse AG retains any power of disposal, such as for copying and transferring.

Knorr-Bremse Systeme für
Nutzfahrzeuge GmbH

Moosacher Strasse 80
80809 Munich
Germany
Tel: +49 89 3547-0
Fax: +49 89 3547-2767
truckservices.knorr-bremse.com

DISCLAIMER
The information contained herein is intended for the exclusive use of trained persons within the commercial vehicle industry, and must not be passed on to any third party. The information is subject to alteration without notice and therefore may not be the latest release. Please check our website www.knorr-bremseCVS.com for the latest update 
or contact your local Knorr-Bremse representative. The information does not purport to be all-inclusive and no responsibility is assumed as a result of its use. We cannot accept any liability nor offer any guarantee regarding data accuracy, completeness or timeliness. The information does not represent any guarantee or ensured characteristics of 
the Products or Systems described. No liability can be accepted based on the information, its use, recommendations or advice provided. In no event may we be held liable for any damage or loss except in the case of wilful intent or gross negligence on our part, or if any mandatory legal provisions apply.
Note: If service work is carried out on a vehicle based on information taken from this document, it is the responsibility of the workshop to ensure the vehicle is fully tested and in full functional order before the vehicle is returned into service. Knorr-Bremse accepts no liability for problems caused as a result of appropriate tests not being carried 
out. 
This disclaimer is an English translation of a German text, which should be referred to for all legal purposes.
Any legal disputes arising from the use of this information shall be subject to German law.
Copyright © Knorr-Bremse AG - all rights reserved, including industrial property rights applications. Knorr-Bremse AG retains any power of disposal, such as for copying and transferring.

F

eatures

Test of Knorr-Bremse disc brake potentiometer function 
Wear status check of brake pads and disc

Summary of Contents for K154433N50

Page 1: ...DIGITAL TESTER K154433N50 FOR DISC BRAKE WEAR POTENTIOMETER Reference No K066644 Doc No Y119119 EN Rev 001 July 2020 USER MANUAL...

Page 2: ...en working under or around the vehicle and particularly when working in the engine compartment the engine should be shut off and the battery disconnected Where circumstances require that the engine be...

Page 3: ...make certain that all components and the complete brake systems are leak free and restored to their proper operating condition Welding To avoid damage to electronic components when carrying out elect...

Page 4: ...contrary to this specification may damage the device When fitting the battery ensure the correct polarity plus and minus Warranty claims will not be honoured if the device has been opened except the b...

Page 5: ...c brakes and for the determination of the wear of the brake disc and brake pads 3 pin plug for threaded connection 3 pin plug for clamp connection Battery cover Display Red LED Wear indication Yellow...

Page 6: ...l be necessary to measure over the disc using a vernier caliper or suitable fabricated device 3 1 Read the Safety Advice Section of this manual 3 2 Only if caliper is installed on vehicle Remove wheel...

Page 7: ...e see tables in section 5 Compare the indicated measured value with the value of the reference table see section 6 If the test device always indicates a value 0 00 V check the position of the rotary s...

Page 8: ...ania DAF Others DAF silver Voltage values increase between maximum gap and minimum gap from 1Volt to 3 5Volt linearly see section 6 1 Daimler Dana Evobus Hendrickson Hyundai Iveco Meritor SAF Scania S...

Page 9: ...es for disc and brake pad gap measured voltages 6 1 For switch position cont Daimler Iveco Scania DAF Others Adjuster must only be turned using the shear adapter TABLES FOR DISC AND PAD GAP MEASURED V...

Page 10: ...92 3 89 1 85 9 82 7 79 5 76 9 73 2 70 0 Y119119 EN REV 001 JULY 2020 6 2 For switch position cont MAN Adjuster must only be turned using the shear adapter Brake type Maximum disc and brake pad gap mm...

Page 11: ...are valid under the condition that the switch position is selected according to the wear indicator used in the brake see section 5 7 Disc and brake pad gap voltage check setting dimensions DISC AND BR...

Page 12: ...se Please check our website www knorr bremseCVS com for the latest update or contact your local Knorr Bremse representative The information does not purport to be all inclusive and no responsibility i...

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