• Topic ID: id_17423471
  • Version: 4.0
  • Date: Mar 6, 2020 10:02:00 PM

ABS Encoder Assembly Replacement

Prerequisites

Overview

Procedure

    Notice Image
    • notice
    • Understand and follow the Safety Guidelines Manual.
  1. 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) .
  2. Remove the cradle (Refer to Cradle)
  3. Move the cradle carriage to the mechanical IN limit position by hand.
  4. Remove power from Table by turning off “120VAC”, “Axial Drive” and “HVDC” switches on the service switch panel.
  5. Remove the following cover and component from the Table:

    • Cradle Tray (Six(6) Screws)

    • Protect Cover (Four(4) Screws)

    • Metal–Free Table Cover (Four(4) Screws)

    Figure 1. Metal-Free Table Cover and Cradle Removal

  6. Disconnect the cable connector leading from the encoder.
  7. Remove a screw, and remove the encoder wire from the wire hook located on the underside of the cradle carriage.
  8. Remove the encoder assy from the encoder holder by unscrewing its 2screws.

    Figure 2. Cradle Encoder Removal

  9. Install the new encoder assembly by referring toStep 8 through Step 6.
  10. Restore the Table to original configuration.

Finalization

  1. Perform the following check according to Align, Setup, Cals -> Table.
    • Cradle Characterization Procedures