Cleaning The Fan, Non-Return Valve And Venturi; Replacing The Ionisation/Ignition Electrode - REMEHA Gas 320 Ace Service Manual

7.4.1

Cleaning the fan, non-return valve and venturi

Fig.73 Disassembling the fan unit
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Fig.74 Cleaning the fan and venturi
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8
Fig.75 Checking and cleaning the non-
return valve
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9.2
7.4.2

Replacing the ionisation/ignition electrode

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2
3
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10. Reassemble the unit in reverse order.
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The ionisation/ignition electrode must be replaced if:
1. Push back the safety slides on both sides of the power plug to unlock
it.
2. Remove the electrical connections from the fan.
3. Unscrew the bolts from the extension piece under the fan.
Support the gas control valve, using a block of wood for example.
4. Disconnect the air supply hose from the venturi.
5. Unscrew the nuts on the fan output.
6. Disconnect the fan from the adaptor.
7. Clean the fan with a soft plastic brush.
8. Clean the venturi with a soft plastic brush.
9. Inspect the non-return valve.
9.1. Replace the non-return valve if it is faulty or seriously
damaged.
9.2. Clean the non-return valve with a soft plastic brush or
compressed air if it does not need to be replaced.
Important
Reconnect the fan's electrical connection.
The ionisation current is < 3 µA.
The electrode is damaged or worn.
The specific maintenance activities are carried out.
7 Maintenance
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