Gas Tap Removal; Piezo Generator Removal; Greasing Gas Tap; Injector Removal - Valor COSYFLAME BR623 Installer's Manual

TO REMOVE THE GAS TAP/F.S.D
• Remove the burner unit.
• Disconnect the electrode lead from tab underneath the electrode.
• Undo the thermocouple nut at the gas tap
• Disconnect the inlet pipe at the tap end
• Disconnect the pilot pipe at the tap end.
• Disconnect the main burner pipe at the tap end
• Pull off the control knob
• Remove the gas tap fixing nut. Pull the tap clear of the control plate.
• Replace in the reverse order.
TO REMOVE THE PIEZO GENERATOR
• Remove the gas tap/F.S.D. as above
• Make sure that the tap is in the off position
• Remove the circlip holding the piezo unit to the tap. Remove the piezo unit.
• Replace in the reverse order.
TO GREASE THE CONTROL TAP/F.S.D
• Detach the tap and remove the piezo generator making sure that the tap is in the off position.
• Remove the two screws from the head of the tap. Remove the niting head and spindle complete with collar and spring.
• Note the position of the slot in the plug - mark its position on the tap body.
• Remove the plug rotating slightly while pulling.
• Clean and grease the plug lightly with suitable grease. Do not apply excessive grease. Particularly, make sure that the gas
ports in the tap are not restricted by grease.
• Push the plug into the tap body and position the slot in line with the mark previously made on the tap body.
• Reassemble the niting head and spindle complete with collar and spring making sure that the components are correctly
engaged. Check the operation of the tap.
• Refit the piezo generator.
TO REMOVE THE MAIN BURNER ELBOW INJECTOR
• Remove the burner unit – as above.
• Disconnect the main burner pipe from the injector at the venturi end. If necessary, loosen the pipe at the gas tap end to
swing the pipe clear of the injector.
• Unscrew the injector from the rear support bracket.
• Refit in the reverse order.
TO REMOVE THE APPLIANCE FROM THE FIREPLACE
• Remove the 9 loose coals, front base coal and rear base coal.
• Slacken the hexagonal adjusters on the cable retainers and unscrew to release the cables.
• Refit as described in the relevant installation sections. Make sure gas soundness, sealing spillage test and performance are
satisfactory.
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