• Topic ID: id_17423173
  • Version: 3.0
  • Date: Dec 3, 2019 2:00:50 AM

Stepping Motor Driver Replacement

Prerequisites

Procedure

    Notice Image
    • notice
    • Understand and follow the Safety Guidelines Manual.
  1. Move the cradle to the OUT mechanical limit position by hand.
  2. Raise the Table to its highest position.
    note: If the Table up/down movement is inoperative, use the service power cable to raise the Table (refer to Enforced Table Elevation).
  3. Remove power from Table by turning off “120VAC”, “Axial Drive” and “HVDC” switches on the service switch panel.
  4. Remove the following cover from the Table:
  5. Remove 4 screws, and slide the power driver support toward the Gantry.

    Figure 1. Location of Stepping Motor Driver

  6. Disconnect the three cable connectors (CN1 ~ CN3) from the Stepping Motor Driver Assy.
  7. Remove the Stepping Motor Driver Assy by unscrewing its two screws.

    Figure 2. Stepping Motor Driver Removal

  8. Install the new Stepping Motor Driver Assy by referring to Step 7. through Step 6.
  9. Restore the Table to original configuration.

Finalization

  1. (For Optima CT520) Skip this step.

    Perform the Stepping Motor Torque Adjustment.