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Combustion chamber

Combustion chamber

To remove


1. Remove the cover over the combustion air fan.


Note

Pay attention to the fuel pipe's rubber lead-through.


2. Remove the four control module bolts.

3. Carefully extract the control module, unplug the connector and remove the control module from the heater.


4. Remove the centre housing.


5. Remove the combustion air fan. Remove the gasket.


6. Lift out the combustion chamber. Remove the gasket.



To fit



1. Make sure that the heat exchanger's O-ring is undamaged and that no leakage has occurred. Change as necessary.

2. Clean the contact surfaces. Change the gasket and fit the combustion chamber. It can be fitted in only one way.

3. Change the gasket and fit the combustion air fan. Align the gasket with the three holes.


4. Fit the centre housing.


5. Plug connector B2 into the control module.


6. Fit the control module.


7. Fit the cover.

Note

Pay attention to the fuel pipe's rubber lead-through.