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15.5
To Remove The Gas Tap/F.S.D & Solenoid Assembly
15.5.1 Remove the burner unit - See section 15.4.
15.5.2 Disconnect the electrode lead from tab underneath the electrode.
15.5.3 Undo the thermocouple nut at the gas tap.
15.5.4 Disconnect the inlet pipe at the solenoid junction.
15.5.5 Disconnect the main burner pipe at the tap end.
15.5.6 To gain access to the pilot pipe connection, detach the fan switch
bracket from the burner control bracket by removing two screws (see
figure 50).
15.5.7 Disconnect the pilot pipe at the tap end.
15.5.8 Pull off the control knob.
15.5.9 Remove the gas tap fixing nut.
15.5.10 Disconnect the two burner wiring loom leads from the solenoid unit.
15.5.11 Disconnect the earth lead from the solenoid unit.
15.5.12 Pull the tap & solenoid unit clear.
15.5.13 To separate the tap from the solenoid, detach the solenoid unit at the gas
tap end
15.5.14 Replace in the reverse order.
15.6
To Remove The Piezo Generator
15.6.1 Remove the gas tap & solenoid unit as sections 15.5.1 to 15.5.12.
15.6.2 Make sure that the tap is in the off position.
15.6.3 Remove the circlip holding the piezo unit to the tap. Remove the piezo
unit.
15.6.4 Replace in the reverse order.
15.7
To Remove The Main Burner Elbow Injector
15.7.1 Detach the burner unit from the convection box as section 15.4.
15.7.2 Disconnect the main burner pipe from the elbow injector. If
necessary, loosen the pipe at the gas tap end to swing the pipe clear of
the injector.
15.7.3 Unscrew the elbow injector from the support bracket.
15.7.4 Refit in the reverse order. Make sure that no leads are trapped.
15.8
To Remove an "On" or "Off" Fan Switch
15.8.1 Detach the fan switch bracket from the burner control bracket
by removing two screws (see figure 50). Carefully pull clear of the
burner unit.
15.8.2 Detach the two leads from the switch which is to be removed.
15.8.3 Press in the plastic spring grips at the ends of the switch and
pull the switch clear of the bracket.
15.8.4 Replace in the reverse order. Make sure the correct leads
go to each switch (see wiring diagram figure 31). Make sure that
no leads are trapped.
15.9 For Access to the Electrical Control Components
15.9.1 Remove the burner unit - See section 15.4.
15.9.2 Detach the control unit from the convection box left
side flange by removing two screws (see figure 51). Carefully
pull the unit slightly forward.
15.9.3 Detach the fan wiring loom connection. (see figure 52).
15.9.4 Detach the plastic vacuum tube from the metal vacuum
pipe (see figure 52).
31
Figure 50 Fan switch fixings
Figure 51 Electrical control unit
fixings
Figure 52 Fan loom & vacuum pipe
connection
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