Cojali jaltest TOOLS WST User Manual

Wear sensor tester

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Jaltest WST
Wear Sensor Tester
(Tester of wear sensors)
User manual

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Summary of Contents for Cojali jaltest TOOLS WST

  • Page 1 Jaltest WST Wear Sensor Tester (Tester of wear sensors) User manual...
  • Page 2 Rev. 01 Jaltest WST Wear Sensor Tester (Tester of wears sensors) User manual...
  • Page 3: Table Of Contents

    English Index Contenido Index General information PRODUCT DESCRIPTION 1.2 INDICATIONS AND SUGGESTIONS 1.3 EQUIPMENT COMPOSITION 2.1 CHECK OF CONTINUOUS AND END-OF-PAD/2-WIRE SENSORS 2.2 CHECK OF THE WEAR OF BRAKE PADS AND DISCS Procedure 2.2.1 END-OF-PAD/ 2-WIRE SENSORS 2.2.2. CONTINUOUS SENSORS 3.1 TABLE 1.
  • Page 4 English Index Reference table 3.2 TABLE 2. POSITION OF THE SENSOR SELECTOR 3.3 POSITION OF THE SELECTOR FOR DAF, IVECO, MB, SCANIA, (+) 3.4 TABLE 4. POSITION OF THE SELECTOR FOR MAN, MERITOR 3.5 TABLE 5. POSITION OF THE SELECTOR FOR END-OF-PAD/2-WIRE SENSORS Technical data Easy navigation Faster access to...
  • Page 5: General Information

    English General information PRODUCT DESCRIPTION Jaltest WST is a portable equipment of small dimensions made for checking the correct operation of brake pad wear sensors as well as their state. It has a selector that enables the user to choose the type of sensor to be checked and, through a display incorporated to the device, see the voltage value (V) in an easy way.
  • Page 6: Equipment Composition

    English 1.3 EQUIPMENT COMPOSITION Jaltest WST is formed by an electronic device with a sensor type selector and a com- plete kit of connectors. 1.3.1 DEVICE A. Connection Input port of the cable for the s e n s o r B.
  • Page 7 English 1.3.2 CABLE KIT Indicative application list CONNECTOR BRANDS RENAULT, VOLVO VOLVO SCANIA, MERCEDES-BENZ, KNORR-BREMSE MERCEDES-BENZ, DAF, EVOBUS, IVECO, SCANIA, HYUNDAI, MAN, KNORR-BREMSE, WABCO RENAULT, VOLVO...
  • Page 8: Check Of Continuous And End-Of-Pad/2-Wire Sensors

    English 2 Procedure 2.1 CHECK OF CONTINUOUS AND END-OF-PAD/2- WIRE SENSORS Disassemble the vehicle wheel if needed Disconnect the connector of the brake caliper sensor Loosen the brake pads with the help of the adapter until they can be disassembled Important: The pushers must be at the same height, with a difference below 0.25mm.
  • Page 9: End-Of-Pad/ 2-Wire Sensors

    English 2.2.1 END-OF-PAD/ 2-WIRE SENSORS Turn sensor type selector to the position of the end-of-pad/2-wire sensor If the LED lights up in green, the wear is correct NOT OK If the LED lights up in red, it must be visually inspected, since Jaltest WST does not indicate any wear value Note: If Jaltest WST indicates a value below 0.2V or above 4.8V, the brake caliper sensor is an end-of-pad/2-wire sensor and, therefore, it cannot be checked with...
  • Page 10 English 3 Reference table Low pad support Brake disc and bushing Axle of rotation Adjustment spindle Pusher 3.1 TABLE 1. DISTANCE BETWEEN THE DISC AND THE PAD Maximum distance Minimum distance Absolute minimum Type of brake caliper “L” (mm) “L” (mm) distance “L”...
  • Page 11 English 3.2 TABLE 2. POSITION OF THE SENSOR SELECTOR Position of the colour of the Information to know if the Vehicle or axle manufacturer sensor type selector continuous operation is correct sensor MERITOR DAIMLER The voltage values DANA SCANIA increase from 1V to 3.5V DAF, IVECO, MB, EVOBUS SOR-LIBCHAVY...
  • Page 12 English 3.4 TABLE 4. POSITION OF THE SELECTOR FOR MAN, MERITOR Distance variation for Type of brake Maximum Measured Minimum Measured complete turn of the caliper distance “L” voltage distance “L” voltage (V) adjustment screw (mm) (mm) (mm/V) 6/0,57 SB6/SN6 SB7/SN7 6/0,49 ELSA 1 /...
  • Page 13 English 4 Technical data 66 x 144 x 40 mm • Device dimensions: 350 x 230 x 86 mm • Suitcase dimensions: ~ 193 g • Device weight: ~ 1270 g • Complete suitcase weight: From -10 ºC until 40 ºC •...
  • Page 14 2021 V2 EN...

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