• Topic ID: id_18480236
  • Version: 4.0
  • Date: Dec 22, 2021 11:23:24 PM

Operator Control Panel Replacement

Prerequisites

Overview

This procedure defines the steps necessary to replace the operator control panels on the gantry covers.

Procedure

  1. Remove gantry right side cover.

    Refer to Parts Replacement > Gantry > Enclosure > (Cover Removal Procedures).

  2. Stop the rotor of X-ray tube in case of Liquid Bearing Tube before HVDC off. Refer to Liquid Bearing Tube Rotor stop procedure for details.
  3. Turn OFF the Axial Drive, HVDC and 120 VAC switches on the gantry’s Service Switch Panel.
  4. Remove the gantry left side cover, top covers, scan window and front cover.
  5. Disconnect the two cables on the top of the control panel.

    Figure 1. Gantry control panel

  6. Loosen five (5) screws that fasten the control panel to the cover.
  7. Install the new control panel to the cover.
  8. Reconnect the two cables to the control panel.
  9. Install the gantry front cover, scan window, top covers, and left side cover.

    Refer to Parts Replacement > Gantry > Enclosure > (Cover Procedures).

  10. Enable 120 VAC HVDC and Axial Drive service switches from the service switch panel. Press the table drives enable button on the lower right corner of the service switch panel.
  11. Install the gantry right side cover.

Finalization

  1. Use the controls of the replaced panel to perform the table and gantry movement functions to ensure they work as expected.
  2. Perform a System Scanning Test from the Functional Checks menu of the service manual to ensure system operation.