MAINTENANCE
TECHNICAL DOCUMENTATION 35
REMOVAL OF THE FAN AND BURNER ASSEMBLY (ETHOS 70)
• Isolate the gas and electrical supplies to the boiler.
• Remove the caps from the ignition electrode and ionisation probe.
• Remove the gas valve and venturi as descibed on page 34.
• Remove the two electrical connections from the fan.
• Remove the four nuts from the burner door ( ).
• Extract the burner / fan assembly.
• To separate the fan from the burner, remove the four screws from the fan ( ).
• Replace in reverse order ensuring all seals / gaskets are in good condition (renew if necessary).
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