Difficulty

Difficult

Steps

18

Time Required

                          35 minutes

Sections

4

  • Viasys Avea UIM and Plastic Cover Disassembly
  • 6 steps
  • Viasys Avea Exhalation Corner Assembly Removal
  • 6 steps
  • Viasys Avea Metal Top Cover Disassembly
  • 2 steps
  • Battery
  • 4 steps

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Introduction

Removing the Battery is discussed in service manual revision D:

  • Chapter 4: Assembly and Disassembly, Pg 60-61

PLEASE NOTE: This repair guide was developed by a student iFixit team based on Viasys/CareFusion’s own service manual. Neither iFixit nor this repair guide is endorsed by or affiliated with Viasys or CareFusion.

What you need

Step 1

              Viasys Avea UIM and Plastic Cover Disassembly
  • Remove the ‘rubber collar’ located at the UIM rear neck, by grasping one of the two rubber tabs at the bottom. Pull firmly in an “arcing” motion.

Remove the ‘rubber collar’ located at the UIM rear neck, by grasping one of the two rubber tabs at the bottom. Pull firmly in an “arcing” motion.

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Step 2

  • Pull UIM forward and look for the Phillips Screw on the front arm cover. Remove (1) Phillips screw from the front arm cover. Remove the front arm cover.

Pull UIM forward and look for the Phillips Screw on the front arm cover. Remove (1) Phillips screw from the front arm cover. Remove the front arm cover.

Step 3

  • Remove the two mounting screws now visible inside the ‘back arm cover’. Tilt the UIM down and remove the ‘back arm cover’.

Remove the two mounting screws now visible inside the ‘back arm cover’. Tilt the UIM down and remove the ‘back arm cover’.

Step 4

  • Remove the (4) 11/32 KEP nuts that secure the ‘plastic top cover’ opening onto the chassis.
  • Remove (2) Phillips screws that secure the ‘plastic top cover’ to the rear chassis.
  • Slide the top ‘plastic top cover’ upward and forward away from the chassis.

Remove the (4) 11/32 KEP nuts that secure the ‘plastic top cover’ opening onto the chassis.

Remove (2) Phillips screws that secure the ‘plastic top cover’ to the rear chassis.

Slide the top ‘plastic top cover’ upward and forward away from the chassis.

Step 5

  • Remove the (2) Phillips screws and washers that secure the HSSC Cable on the GDE. Unplug the HSSC Cable.
  • Carefully feed the HSSC Cable through the ‘plastic top cover’ opening.

Remove the (2) Phillips screws and washers that secure the HSSC Cable on the GDE. Unplug the HSSC Cable.

Carefully feed the HSSC Cable through the ‘plastic top cover’ opening.

Step 6

  • While continuously supporting the UIM, remove (4) 3/8 nuts that fasten the UIM support arm onto the pneumatics.
  • Lift UIM off of pneumatics and set aside.
  • Remove plastic cover and set aside.

While continuously supporting the UIM, remove (4) 3/8 nuts that fasten the UIM support arm onto the pneumatics.

Lift UIM off of pneumatics and set aside.

Remove plastic cover and set aside.

Step 7

              Viasys Avea Exhalation Corner Assembly Removal
  • Check to see if the exhalation filter assembly is installed, if it is, remove the exhalation filter assembly.
  • Rotate the metal locking lever on the lower right of the ventilator body forward to an open position.
  • Remove the exhalation filter assembly from the ventilator body by pulling straight down.

Check to see if the exhalation filter assembly is installed, if it is, remove the exhalation filter assembly.

Rotate the metal locking lever on the lower right of the ventilator body forward to an open position.

Remove the exhalation filter assembly from the ventilator body by pulling straight down.

Step 8

  • Using a long Phillips screwdriver, remove the Phillips screw located at the top of the exhalation filter assembly well, if applicable.

Using a long Phillips screwdriver, remove the Phillips screw located at the top of the exhalation filter assembly well, if applicable.

Step 9

  • Using a long Phillips screwdriver, remove the Phillips screw located at the exhalation port marked EXH, if applicable.

Using a long Phillips screwdriver, remove the Phillips screw located at the exhalation port marked EXH, if applicable.

Step 10

  • Using a long Phillips screwdriver, remove the Phillips screw from the outside of the plastic cover.

Using a long Phillips screwdriver, remove the Phillips screw from the outside of the plastic cover.

Step 11

  • Using a long Phillips screwdriver, remove the Phillips screw on the font left wall.
  • Using a long Phillips screwdriver, remove the Phillips screw on the right side of the wall.
  • Set the plastic cover aside.

Using a long Phillips screwdriver, remove the Phillips screw on the font left wall.

Using a long Phillips screwdriver, remove the Phillips screw on the right side of the wall.

Set the plastic cover aside.

Step 12

  • Using a long Phillips screwdriver, remove the 3 Phillips screws on the metal re-enforcement cover, if applicable, and set aside.
  • Remove the Exhalation Corner Assembly.

Using a long Phillips screwdriver, remove the 3 Phillips screws on the metal re-enforcement cover, if applicable, and set aside.

Remove the Exhalation Corner Assembly.

Step 13

              Viasys Avea Metal Top Cover Disassembly
  • Locate metal top cover
  • Remove the 19 SEMS screws, (3) on the left side (5) on the right sife and (11) on top.

Locate metal top cover

Remove the 19 SEMS screws, (3) on the left side (5) on the right sife and (11) on top.

Step 14

  • Remove metal top cover and set aside.
  • Disconnect the internal battery 2 pin Molex connector

Remove metal top cover and set aside.

Disconnect the internal battery 2 pin Molex connector

Step 15

              Battery
  • Disconnect the internal batteries
  • Disconnect the battery fuse holder by pulling straight back on the two faston connectors.

Disconnect the internal batteries

Disconnect the battery fuse holder by pulling straight back on the two faston connectors.

Step 16

  • Remove the fuse holder and fuse from the ventilator chassis using pliers to remove nut.
  • Remove the (3) 11/32 KEPS nuts that hold the battery bracket in place; (2) KEPS nuts on the bottom and (1) on the top.

Remove the fuse holder and fuse from the ventilator chassis using pliers to remove nut.

Remove the (3) 11/32 KEPS nuts that hold the battery bracket in place; (2) KEPS nuts on the bottom and (1) on the top.

Step 17

  • Slide out the retaining bracket and the batteries.
  • Disconnect the positive and negative leads from the wire harness that connects to the driver transition board.

Slide out the retaining bracket and the batteries.

Disconnect the positive and negative leads from the wire harness that connects to the driver transition board.

Step 18

  • Cut both tie wraps that secure the battery monitor board and the 4-pin molex to the batteries.
  • Disconnect the batteries from each other.

Cut both tie wraps that secure the battery monitor board and the 4-pin molex to the batteries.

Disconnect the batteries from each other.

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

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                    Anthony Hernandez

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                       Cal Poly, Team S1-G1, Zimmerman Spring 2020                        

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