Supplied By www.heating spares.co Tel. 0161 620 6677
19
Part No. 5000893
6.3 Thermocouple & Spark
Electrode
a. Gain general access - See 6.2.
b. Disconnect the nut securing the
thermocouple to the interrupter at the
chassis base.
c. Disconnect the electrode lead from the
back of the piezo unit, pull the lead up
through the grommet and remove.
d. Remove the fixing screw and bracket
then lower the spark electrode.
e. On re-assembly, ensure that the pilot
tube bends towards the rear of the
appliance. (The thermocouple will be
vertical and nearest the burner manifold).
The thermocouple connection need only
be finger tight and a
⁄
turn.
6.4 Pilot Injector
a. Gain general access - See 6.2.
b. Lift up the lint filter, disconnect the union
nut and carefully lift up the pilot tube
taking care not to lose the pilot injector.
c. On re-assembly ensure the pilot injector
is correctly seated (taper side down) and
that the lint filter is correctly assembled
and located on the union nut.
Note:
The lint filter can be cleaned if
required.
6.5 Flame Safety Device
a. Gain general access - See 6.2.
b. Disengage the electrode lead from the
piezo unit.
c. Release the thermocouple from the back
of the flame safety device.
d. Release the union nuts above and below
the flame safety device.
e. Release the union nut securing the pilot
transfer tube to the flame safety device.
f.
Remove the 3 screws securing the flame
safety device to the chassis base and
carefully withdraw the unit.
g. Re-assemble in reverse order. The
thermocouple connection need only be
finger tight and a
⁄
turn.
Fig. 27
Fig. 28
Fig. 29
Replacement Of Parts