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2.5 replace with a new ignition lead following the same route as
the old one. replace the valve cover and securing screw.
2.6 check the operation of the new ignition lead.
3.1 The piezo unit used on this appliance is not serviceable and
unlikely to fail. If a new piezo is required it will be
necessary to change the gas valve, refer to section 7.
4.1 Remove the fire, see section 1.
4.2 Remove the pilot shield and place to one side. Gently pull
the ignition lead off the electrode. See diagram 5.
4.3 Undo the thermocouple connection from the back of the
gas valve and carefully pull the thermocouple clear of the
pipework and valve. See diagram 6, arrow A.
SERVICING INSTRUCTIONS
REPLACING PARTS
4.4 Undo the pilot pipe connection from the pilot unit, remove
the 2 screws securing the pilot and remove the pilot
assembly. See diagram 7.
4.5 Replace with a new pilot unit of the correct type (refer to
short spares list) and re-assemble. Set the spark gap as
shown in diagram 5, replace the appliance and check the
pipework for gas soundness, especially the inlet connection
and pilot pipe connection.
4.6 Carry out flame failure functional check as detailed in the
flow chart paying particular attention to the mag drop out
time.
3. PIEZO
4. ODS PILOT UNIT
5
6
AR1114
A
7