Hyster W60-80XT (E135 A838) Forklift Index:

• toc
  • Diagrams
  • Safety Precautions Maintenance and Repair

• toc
  • Diagrams
  • Safety Precautions Maintenance and Repair

• toc
  • Curtis Transistor Motor Controller
  • Safety Precautions Maintenance and Repair
  • General
  • Principles of Operation
    • General
    • Transistor Motor Controller
  • Sequence of Operation
    • Key Switch
    • Brake Switch
    • Control Circuit
    • FWD/REV Switch Closed
    • Forward Contactor Energized
    • Gate Pulse to FETs
    • FETs ON for Time of Gate Pulse
    • Gate Pulse Removed
    • Induction Current Flows Through Motor and Flyback Diode
    • Plugging
  • Checks
    • Checking Contactor Coil
    • Checking Transistor Controller
  • Adjustments
    • Plugging Adjustment
    • Acceleration Adjustment
    • Current Limit Adjustment
  • Repairs
    • Contactors
    • Curtis Contactor Parts, Replace
    • GE Contactor Parts, Replace
    • Controller, Replace
    • Accelerator Potentiometer and Control Switches, Replace and Adju
  • Troubleshooting
    • General
    • General Procedures
  • Fault Procedures
• tables
  • Table 1. Inductance
  • Table 2. Fault Codes and Display Messages for R30XMS2 Only

• toc
  • Curtis Transistor Motor Controller
  • Safety Precautions Maintenance and Repair
  • General
  • Principles of Operation
    • General
    • Transistor Motor Controller
  • Sequence of Operation
    • Key Switch
    • Brake Switch
    • Control Circuit
    • FWD/REV Switch Closed
    • Forward Contactor Energized
    • Gate Pulse to FETs
    • FETs ON for Time of Gate Pulse
    • Gate Pulse Removed
    • Induction Current Flows Through Motor and Flyback Diode
    • Plugging
  • Checks
    • Checking Contactor Coil
    • Checking Transistor Controller
  • Adjustments
    • Plugging Adjustment
    • Acceleration Adjustment
    • Current Limit Adjustment
  • Repairs
    • Contactors
    • Curtis Contactor Parts, Replace
    • GE Contactor Parts, Replace
    • Controller, Replace
    • Accelerator Potentiometer and Control Switches, Replace and Adju
  • Troubleshooting
    • General
    • General Procedures
  • Fault Procedures
• tables
  • Table 1. Inductance
  • Table 2. Fault Codes and Display Messages for R30XMS2 Only