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Biomed
Medische apparatuur
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Biomed

Inleiding

This guide will cover the removal and replacement of the analog PCB within the Newport e500. In order to perform this operation, a screwdriver and torque wrench will be required. Be sure to keep track of all cables as they will be reused on the replacement PCB. For some helpful tips, go to page 64 in the user manual.

  1. Place device so that the top cover is facing you.
    • Place device so that the top cover is facing you.

    • Open the top cover.

  2. Remove the four hex nuts and lock washers (two at each hinge) that secure the cover to the hinges on the left side of the pneumatic box.
    • Remove the four hex nuts and lock washers (two at each hinge) that secure the cover to the hinges on the left side of the pneumatic box.

  3. Remove the cover and set aside. Retain hardware for re-assembly.
    • Remove the cover and set aside. Retain hardware for re-assembly.

  4. Pull up and remove the flexible rubber exhalation outlet boot (push fit).
    • Pull up and remove the flexible rubber exhalation outlet boot (push fit).

  5. Disconnect the tubes from both sides of the flow sensor and the two tubes from the exhalation valve.
    • Disconnect the tubes from both sides of the flow sensor and the two tubes from the exhalation valve.

  6. Pull the exhalation module straight up to remove it from the GDU.
    • Pull the exhalation module straight up to remove it from the GDU.

  7. Remove the 2 screws and washers securing the manifold/mixer assembly
    • Remove the 2 screws and washers securing the manifold/mixer assembly

  8. Slide the manifold/mixer assembly forward to disengage the flow sensors
    • Slide the manifold/mixer assembly forward to disengage the flow sensors

  9. Gently pull each flow sensor straight out from the servo valve, (the flow sensor push-fits into the servo valve port).
    • Gently pull each flow sensor straight out from the servo valve, (the flow sensor push-fits into the servo valve port).

  10. Disconnect the flow sensor cable from its 10 pin connector at the underside of the flow sensor PCB and lift out the flow sensor.
    • Disconnect the flow sensor cable from its 10 pin connector at the underside of the flow sensor PCB and lift out the flow sensor.

  11. Remove the screw and washer that secure the exhalation manifold support to the pneumatic panel.
    • Remove the screw and washer that secure the exhalation manifold support to the pneumatic panel.

  12. Pull up on the exhalation valve guide block to remove it from the pneumatic box.
    • Pull up on the exhalation valve guide block to remove it from the pneumatic box.

  13. Remove the standoff and five screws and washers that secure the pneumatic panel to the pneumatic box.
    • Remove the standoff and five screws and washers that secure the pneumatic panel to the pneumatic box.

  14. Lift the pneumatic panel out of the box, and from the underside, detach all tubes and the heater wires that connect to the analog PCB.
    • Lift the pneumatic panel out of the box, and from the underside, detach all tubes and the heater wires that connect to the analog PCB.

  15. Remove the cable from the connector J1 on the analog PCB.
    • Remove the cable from the connector J1 on the analog PCB.

  16. Carefully pull the tubes from each of the seven transducers on the analog PCB. Take note of the tubing connections for re-assembly.
    • Carefully pull the tubes from each of the seven transducers on the analog PCB. Take note of the tubing connections for re-assembly.

  17. Disconnect the J4 connector from the analog PCB.
    • Disconnect the J4 connector from the analog PCB.

  18. Remove the four screws and washers that hold the analog PCB to the pneumatic box assembly.
    • Remove the four screws and washers that hold the analog PCB to the pneumatic box assembly.

  19. Hold tubing aside and remove analog PCB from the box assembly.
    • Hold tubing aside and remove analog PCB from the box assembly.

Conclusie

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

Seth Aguilar

Lid sinds: 24-01-19

354 Reputatie

3 handleidingen geschreven

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Cal Poly, Team S7-G16, Paton Spring 2020 Lid van Cal Poly, Team S7-G16, Paton Spring 2020

CPSU-PATON-S20S7G16

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