18
SERVICING INSTRUCTIONS
REPLACING PARTS
NOTE: BEFORE REPLACING THE BURNER, ENSURE THE
SILICONE SEAL AROUND THE INJECTOR IS INTACT AND
CHECK THAT VENTURI COVER IS ATTACHED.
3. PILOT UNIT
3.1 The pilot assembly consists of four components that can be
individually changed, these are:
1) Pilot burner bracket
2) Pilot injector
3) Electrode
4) Thermocouple
3.2 Turn the gas supply off at the isolation device. Remove the
door and place to one side and carefully remove the
ceramic fuelbed components.
3.3 Remove the main burner. See Section 2 above.
3.4 Remove the two fixing screws from the pilot bracket. See
Diagram 5. Gently draw the assembly away from the firebox
to give access to the nuts and ignition lead.
3.5 To remove the pilot injector, undo the compression nut on
the pilot feed pipe and withdraw the injector which will be
hooked onto the olive. When replacing an injector always
make sure it is hooked onto the olive before inserting it into
the pilot burner. See diagram 6.
3.6 To remove the electrode, disconnect the ignition lead and
undo the retaining nut. The electrode can now be removed.
Note the orientation of the electrode terminal when
reassembling. See diagram 7.
3.7 To remove the thermocouple, undo the retaining nut and
withdraw the thermocouple. Undo the thermocouple from
the back of the gas valve. See Diagrams 8 and 9. Reassemble
in reverse order. Do not overtighten.
NOTE: Special care should be taken when replacing the
thermocouple to the back of the gas valve ensuring that the
sensor wires for the gazco flue sure system are not
disconnected.
AR0617
8
AR0943c
9
AR0614
5
AR0616
7
AR1604
6
