Clark ET-204 Forklift Troubleshooting the EV T5 Control Technical Training Manual - Download PDF

TABLE OF CONTENTS

About this Class
Class Objectives
Class Content
Sequence of Operations
Troubleshooting
Quiz
About Safety
Section 1. EV-T5 Control Sequence of Operations
Identification of Abbreviations
Identification of Symbols
Sequence 1. Drive Control
Sequence 2. Connect the Battery
Sequence 3.Close the KeySwitch
Sequence 4. Energizing the Line Contactor
Sequence 5. Energizing the Directional Contactors
Sequence 6. Turning 'ON' the MOSFETs
Sequence 7. Turning 'OFF' the MOSFETs, Capacitor Charging and Flyback
Sequence 8. Accelerator, Thermal Protectors, and PMT
Sequence 9. 1A Contactor Operation
Sequence 10. Plugging
Sequence 11. Emergency Reverse
Section 2. EV-T5 Control Troubleshooting
Symptom 1. Line contactors will not close
Symptom 2. Line contactor closes, Directional Contactors Will Not Close
Symptom 3. Directional contactors close, no power, and No audible Sound, truck inoperable with accelerator in FET range
Symptom 4.One Directional contactors closes With Normal Operation But Other Directional Contactor Will Not Close
Symptom 5. PMT Trips After Operating In 1A Mode and Returning to FET Mode.
Symptom 6. Contactor Closes, Higher Than Normal Stall Currents in FET Mode. C/L Pot Will Not Adjust. Contactors May Open Once and Then Remain Open
Symptom 7. 1A contactor will not close on Rider
Symptom 8. 1A Contactor Will Not Close on Walkie
Symptom 9. Stiff Plug and Distance Will Not Adust
Section 3. Component and Card Adjustment
Card Adjustments
Component Identification
Internal Wiring
Checking Components (Battery)
Checking Components (MOSFETs)
Checking Components (#3&4 REC)
Checking Components (Capacitor)
Checking Components (TP, Shunt & Snubber)

Pages - 56
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Clark ET-204 Forklift Troubleshooting the EV T5 Control Technical Training Manual - PDF Download