Airox Legendair Turbine Box Replacement

はじめに

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

必要な工具と部品

手順1 How to Properly Clean the Airox Legendair

Airox Legendair Turbine Box Replacement, How to Properly Clean the Airox Legendair: 手順 1、 1の画像 1

First, switch off the device.

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手順2

Place the device in a clean and open environment.

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手順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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手順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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手順5

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

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手順6 Turbine Box

Airox Legendair Turbine Box Replacement, Turbine Box: 手順 6、 1の画像 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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手順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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手順8

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

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手順9

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

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手順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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手順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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手順12

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

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手順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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手順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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手順15

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

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手順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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