Maintenance - Wolf TGB-40 Installation Instructions Manual

Maintenance
Dismantling the combustion chamber
unit
.
Removethe combustion chamber housing after
releasingthe toggles.
.
Removethe plug connectionsfrom the following
components:
Ignition, ionisation, flow and return sensor,flue
gastemperature sensorand gasfan.
.
Pullthe anti-radiation panelforward and unhook
the panel.
.
Releasethe fixings between the gas connection
and mixing chamber.
.
Release the nuts (three no.) on the small
combustion chamber lid.
.
Removethe whole unit (mixing chamber,fan and
small combustion chamber lid).
Flowsensor.
plug
Gasfanplug
Ignition plug
lonisationplug
Earthplug
Fluegas
sensorplug
Fig.: Gas-fired condensingboiler with combustion chamber
housing removed
Anti-radiation panel
Fig.: Anti-radiation panel
Fixings between the gasconnection and mixing chamber
Fig.: Fixingsbetweenthe gasconnection and mixing chamber
Nut on the small combustion chamber lid
Fig.: Nut on the combustion chamber lid