PRE-RELEASE
Combustion chamber
| Combustion chamber |
| To remove |
| 1. |
Remove the cover over the combustion air fan.
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| 2. |
Remove the four control module bolts.
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| 3. |
Carefully extract the control module, unplug the connector and remove the control module from the heater.
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| 4. |
Remove the centre housing.
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| 5. |
Remove the combustion air fan. Remove the gasket.
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| 6. |
Lift out the combustion chamber. Remove the gasket.
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| To fit |
| 1. |
Make sure that the heat exchanger's O-ring is undamaged and that no leakage has occurred. Change as necessary.
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| 2. |
Clean the contact surfaces. Change the gasket and fit the combustion chamber. It can be fitted in only one way.
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| 3. |
Change the gasket and fit the combustion air fan. Align the gasket with the three holes.
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| 4. |
Fit the centre housing.
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| 5. |
Plug connector B2 into the control module.
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| 6. |
Fit the control module.
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| 7. |
Fit the cover.
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