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Bear 1000 Power Entry Module Replacement

Medical Equipment
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Introduction

This guide will walk you through the process of replacing the Power entry Module in a Bear 1000 Ventilator. Found on page 88 in the full service manual.

What you need

  1. Bear 1000 Power Entry Module Replacement, Air and O2 Blender: step 1, image 1 of 1

    • Remove the ribbon cable at the connection on the oxygen blender control board.

    Edit

  2. Bear 1000 Power Entry Module Replacement: step 2, image 1 of 1

    • Mark the plastic hoses attached to the oxygen blender (so you can put them back on the same way) and then remove.

    Edit

  3. Bear 1000 Power Entry Module Replacement: step 3, image 1 of 1

    • The air/oxygen blender has two screws close to the control board. Remove them and remove the unit.

    Edit

  4. Bear 1000 Power Entry Module Replacement, Air and O2 Inlet Manifold: step 4, image 1 of 1

    • Remove the pneumatic and electrical connections labeled.

    Edit

    • Remove the water trap bowls on the rear of the unit.

    Edit

  6. Bear 1000 Power Entry Module Replacement: step 6, image 1 of 1

    • Remove the four screws and remove the manifold.

    Edit

    • Remove the two screws holding the power supply to the manifold.

    Edit

    • Mark or label the 6 faston connections as to position and remove

    Edit

    • Mark or label the two wires going to the power switch and remove at the power switch end

    Edit

    • Using an allen wrench, remove the power cord retaining bracket.

    Edit

  11. Bear 1000 Power Entry Module Replacement: step 11, image 1 of 1

    • Using an allen wrench, remove the mounting screwa and nuts from the Power Entry Module.

    Edit

    • After removing the heat shrink tubing, unsolder the two lower wires from the Power Entry Module, noting locations.

    Edit

    • Solder the wires to the replacement module, covering the joints with heat shrink tubing.

    Edit

    • Transfer the voltage selector drum from the original module to the replacement and reinstall.

    Edit
Conclusion

To reassemble your device, follow these instructions in reverse order.

One other person completed this guide.

Author

with 2 other contributors

Eli Ferman

Member since: 04/08/20

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Team

Cal Poly, Team S7-G12, Paton Fall 2020 Member of Cal Poly, Team S7-G12, Paton Fall 2020

CPSU-PATON-F20S7G12

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