Airox Legendair Turbine Box Replacement

Introducción

When whirring noises persist after troubleshooting the Airox Legendair, it may be mandatory to replace the turbine box. This guide will help walk the operator step-by-step through the process of replacing the turbine box.

The repair guide information is mentioned in following sections of the user repair manual:

· Chapter 2 – 2.1.1 Cleaning the Device

· Chapter 2 – 2.4.1 Opening and Closing

· Chapter 6 – 6.1 Removal/Installation of the Turbine Box with Wiring

Qué necesitas

Paso 1 How to Properly Clean the Airox Legendair

Airox Legendair Turbine Box Replacement, How to Properly Clean the Airox Legendair: paso 1, imagen 1 de 1

First, switch off the device.

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Paso 2

Place the device in a clean and open environment.

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Paso 3

Using a cloth or a sponge slightly dampened with a bactericide or germicide solution, gently clean the outside of the device.

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Paso 4

If necessary, spray the device lightly with the germicide solution, taking account of the requirements discussed in the preliminary operations.
Do not allow any liquid to enter inside the device (in particular through the cooling apertures).

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Paso 5

Use a gentle air blast to clear away any remaining liquid from ventilator.

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Paso 6 Turbine Box

Airox Legendair Turbine Box Replacement, Turbine Box: paso 6, imagen 1 de 1

Make sure to turn off the ventilator before starting the repair.
Put the device in a clean and open environment.
Thoroughly clean the device before beginning any work.

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Paso 7

Open the device by removing the five attachment screws (Pl1.20) on the bottom casing side (Pl1-280). Lift off the top outer panel.
Carefully separate the two casings to avoid tearing off the keypad connections.

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Paso 8

Unscrew the three attachment screws (Pl1-130) for the CPU board (Pl1-120).

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Paso 9

Disconnect all connectors Pl1.J1.CT, Pl1.J2.CT of the turbine control board.

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Paso 10

Extract the turbine casing (Pl1.50) from its housing and uncouple the flow rate measurement block (Pl1-260), the O2 supply pipes and the piezo solenoid valve.

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Paso 11

Place the turbine box (Pl1-50) in a clean and open environment
Remove the four screws, washers and spacers (Pl1.70, Pl1.80, Pl1.90) in order to successfully extract the turbine control board (Pl1.60).

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Paso 12

Disconnect the box from the turbine control board (Pl1.J6.CT).

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Paso 13

Replace the turbine box (Pl1-50).
Replace the turbine control board (Pl1.60) on the box with four screws, washers and spacers (Pl1.70, Pl1.80, Pl1.90) (Torque 5 Nm max.).

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Paso 14

Connect the box to the turbine control board (Pl1.J6.CT).
Couple the flow rate measurement block (Pl1-260) to the casing and connect the two O2 supply pipes and the piezo solenoid valve.
Then, reinsert the assembly into its housing. Put the cone support (Pl1-50) into place. Put the additional cone support (Pl1-220) also into place.

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Paso 15

Reconnect all connectors (Pl1.J1.CT, Pl1.J2.CT) to the turbine control board.

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Paso 16

Reinstall the CPU board (Pl1-120) with the three attachment screws (Pl1-130) (Torque 5 Nm max.)
Close the device again, taking all necessary precautions (see Step 2-3)

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