Table of Contents
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Table of Contents
Related Manuals for WABCO 4S/2M
Summarization of Contents
General Information
Obtain Support Information
Information on how to get additional maintenance, service, and product details.
Safety Information
Safe Work Environment Provisions
Guidelines for ensuring a safe working environment during installation and maintenance.
Preparation for Installation
Inspect ECU/Modulator Valve Assembly
Procedure to inspect the ECU/dual modulator valve assembly for damage before installation.
Required Installation Materials
List of WABCO and non-WABCO components needed for the installation.
Trailer iABS Installation
5.1 Install the ECU/Dual Modulator Valve Assembly
Step-by-step guide for mounting the ECU/dual modulator valve assembly.
5.1.1 Tank-Mounted ECU Installation
Instructions for mounting the ECU/dual modulator valve assembly on the air tank.
5.1.2 Cross Member Mounted ECU Installation
Instructions for mounting the ECU/dual modulator valve assembly on the vehicle's cross member.
5.1.3 Attach ABS External Relay Valve
Procedures for attaching the ABS external relay valve for 4S/3M systems.
5.1.6 Connect Air Lines
Guidance on connecting the air lines to the ECU/dual modulator valve assembly and relay valve.
5.1.7 Install Sensor Extension Cables
Instructions for installing sensor extension cables on ABS-prepped axles.
5.1.8 Install Power Cable
Steps for installing the power cable for the ECU/dual modulator valve assembly.
5.2 End of Line Testing
Procedures for performing end-of-line testing after installation.
5.2.1 EOL Testing with TOOLBOX PLUS Software
Detailed steps for end-of-line testing using WABCO TOOLBOX PLUS software.
5.2.2 Verify Valve and Lamp Installation
Procedure to verify correct installation of the valve and indicator lamp.
5.2.3 Sensor Orientation Test
Performing the sensor orientation test to ensure correct wheel sensor alignment.
5.2.4 EOL Testing Without TOOLBOX PLUS Software
Procedures for end-of-line testing without using the WABCO TOOLBOX PLUS software.
Appendix I - Sensor Installation on Non-ABS Axles
6.1 Install Sensors on Non-ABS-Prepped Axles
Instructions for installing sensors on axles that are not pre-wired for ABS.
Appendix II - Cable Management
7.1 Cable Strain Relief Guidelines
Best practices for cable strain relief to ensure performance and durability.
7.1.1 Excess Cable Length Management
Guidelines for bundling and securing excess cable length.
7.1.2 Bracket Mounted ECU Strain Relief
Strain relief methods for ECU mounted using a bracket.
7.1.3 Tank Mounted ECU Strain Relief
Strain relief methods for ECU mounted on the tank.
7.1.4 Sensor Extension Cables at ECU
Guidelines for attaching sensor extension cables to the ECU.
7.1.5 Cable-to-Cable Connections
Ensuring proper strain relief for all cable-to-cable connections.
Appendix III - Electrical Grounding
8.1 Vehicle Electrical Grounding Guidelines
Procedures and recommendations for proper vehicle electrical grounding.
Appendix IV - Parts and Variants
9.1 Parts and Variant List
A comprehensive list of available parts and system variants.
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