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Wabco guide Installation Guide TP- Revised - Enhanced Easy-Stop Trailer ABS S M Basic with PLC Installation Instructions RT PeTv-e isc eh dn ic a l-B ulletin Hazard Alert Messages Read and observe all Warning and Caution hazard alert messages in this publ

Installation Guide TP- Revised - Enhanced Easy-Stop Trailer ABS S M Basic with PLC Installation Instructions RT PeTv-e isc eh dn ic a l-B ulletin Hazard Alert Messages Read and observe all Warning and Caution hazard alert messages in this publication They provide information that can help prevent serious personal injury damage to components or both How to Obtain Additional Maintenance Service and Product Information Refer to Maintenance Manual MM- Enhanced Easy-Stop Trailer ABS with PLC Maintenance Manual Easy-Stop Trailer ABS and Parts Book PB- Enhanced Easy-Stop with PLC and Easy-Stop Trailer ABS To obtain these publications or for more information about the WABCO product line contact WABCO North America Customer Care at - - or visit our website wabco-na com Important Information This bulletin contains instructions for mounting the ECU single modulator valve assembly as one unit If you are mounting the ECU and valve separately please contact WABCO North America Customer Care at - - for speci ?c installation requirements and instructions Use only genuine WABCO components Other manufacturers ? parts are not designed for use with a WABCO ABS system and may not function correctly WABCO recommends that a control line ?lter part number - - - be installed on the air system ? s control line upstream of the ABS ECU valve assembly Preparation WARNING To prevent serious eye injury always wear safe eye protection when you perform vehicle maintenance or service The Anti-lock Braking System ABS is an electrical system When you work on the ABS take the same precautions that you must take with any electrical system to avoid serious personal injury As with any electrical system the danger of electrical shock or sparks exists that can ignite ammable substances You must always disconnect the battery ground cable before working on the electrical system Park the vehicle on a level surface Block the wheels to prevent the vehicle from moving Support the vehicle with safety stands Do not work under a vehicle supported only by jacks Jacks can slip and fall over Serious personal injury and damage to components can result End of line testing must be done after all installations WABCO recommends using TOOLBOX Software to perform this testing If you do not have TOOLBOX Software this bulletin also includes instructions for testing without the software Before beginning the installation procedure inspect the ECU single modulator valve assembly for damage that may have occurred during shipping or storage ? Look for crushed or bent connectors ? Verify that the retainer clips have not been bent or otherwise damaged ? Attach the ABS relay valve cable to the ECU with the WABCO ID face down Ensure the cable is free from cuts or breaks ? Do not install a damaged ECU single modulator valve assembly Notify your supervisor or contact WABCO if there is any apparent damage Have the following installation material available ECU single modulator valve assembly Power cable or power diagnostic cable Sensor extension cables two pieces Sensors two for non-ABS -prepped