• Topic ID: id_15460188
  • Version: 4.0
  • Date: Apr 22, 2019 12:56:39 AM

Service outlet and E-Stop Button Replacement

Prerequisites

Overview

Procedure

  1. Remove gantry right side cover (and left side if necessary).

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

  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. Notice Image
    • notice
    • Always turn OFF the HVDC before the 120 VAC. Turning OFF 120 VAC power before HVDC power can result in equipment damage.
  3. Turn off all three (3) switches (Axial Drive, HVDC, 120VAC) on the Service Switch Panel.
  4. Verify there is no electricity at the outlet.
  5. Remove the cable connection on the bottom of the assembly.

    Figure 1. Example Service Outlet and E-stop assembly

  6. Remove the four (4) hex screws that fasten the plate assembly to the chassis.
  7. Install the Service Switch and E-Stop assembly and reconnect the cable.
    8. Notice Image
    • notice
    • Always turn ON the 120 VAC before the HVDC. Turning ON HVDC power before 120 VAC power can result in equipment damage.
  8. Turn on the 3 service switches.

Finalization

  1. Confirm that all E-stop buttons are operational.
  2. Enable the table drives after E-stop reset by use of the cover control panel drives reset button or drives reset button on service switch panel lower right corner.
  3. Reinstall gantry side covers.