Removing the Backing Plate

To remove the backing plate, do the following:

Note:

The following procedure requires the use of an overhead lifting device. Refer to Lifting and Handling for lifting and handling instructions.

  1. Remove the hot runner from the machine. Refer to Removing and Installing the Hot Runner for more information.
  2. Remove the locating ring.
    Figure 1. Removing the Locating Ring

    1. Locating Ring

    2. Screw

  3. If equipped, remove the insulator board from the back of the backing plate.
    Figure 2. Removing the Insulator Board

    1. Insulator Board

    2. Screw

  4. If the backing plate has wire grooves, do the following:
    1. Disconnect the wires and thermocouples routed through the backing plate from the multi-pin connectors.
    2. Remove the wires and thermocouples from the wire grooves.
  5. Remove the screws that connect the backing plate to the manifold plate.
    Figure 3. Removing the Backing Plate Screws

    1. Backing Plate

    2. Screw

    Warning:

    Crushing hazard – risk of death or serious injury. Inadequate lifting equipment could fail and cause death or serious injury. Make sure all lifting equipment is rated for the load and in safe operating condition.

  6. Install hoist rings in the designated lifting points marked on the backing plate.
  7. Attach an overhead lifting device to the hoist rings and lift the backing plate in stages. Use the pry slots between the manifold plate and backing plate to assist in separation.
    Figure 4. Removing the Backing Plate

    1. Hoist Ring

    2. Backing Plate

    3. Guide Pin

  8. Moving the backing plate to a clean work area and set it on supports.
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