• Topic ID: id_16157861
  • Version: 5.0
  • Date: Mar 2, 2022 10:23:14 PM

Cradle Motor and Clutch Assy Replacement

Prerequisites

Overview

Procedure

  1. Raise the Table to maximum height.
  2. Perform this step if applicable:

    (For Global PET/CT Table, with fixed position IMS) Skip this step.

    (For Global PET/CT Table) Move the IMS to OUT limit position.

    (For GT2000 and GT2000X Table) Move the IMS to OUT limit position.

    (For GT1700 and GT1700V Table) Skip this step.

  3. Remove power from Table by turning off 120VAC, Axial Drive and HVDC switches on Service Switch Panel.
  4. Remove the following Table component and covers:

    • Cradle

    • Top Cover (Right/Left)

    • Tray-F

    • Front Top Cover

    • Front Left Rail Cover

    Figure 1. Table Covers

  5. Cut any tie-wraps holding the motor and the clutch cables to the Table frame.
  6. Disconnect a motor cable connector and a clutch cable connector.
  7. Loosen 2 bolts to remove tension from the cradle belt, and remove the belt from the small pulley of the clutch.

    Figure 2. Cradle Motor & Clutch Assembly

  8. Unscrew 4 bolts under the Cradle Motor & Clutch Assy.
  9. Slide the Cradle Motor & Clutch Assy away from the Gantry, and remove it from the Table.

    Figure 3. Cradle Motor & Clutch Assembly Removal

  10. Install the new Cradle Motor & Clutch Assy in place, and tighten the 4 bolts.
    note:

    Verify that the base of cradle motor & clutch assembly is parallel with edge.

    Figure 4. Cradle Motor & Clutch Assembly Installation

  11. Check to make sure that the cables does not catch the cradle belt.
  12. Adjust the cradle belt tension according to Cradle Motor and Cradle Drive Belt Tension Adjustment.
  13. Connect the 2 cable connectors, and fasten the cables to the Table frame with tie-wraps.

Finalization

  1. Re-install the cradle and Table covers.
  2. Power up the Table from the Service Switch Panel.
  3. Move the cradle In/Out completely 10 cycles, and verify that the cradle movement is operating normally.