!
Pull off the control knob.
!
Remove the gas tap fixing nut.
!
Disconnect the two burner wiring loom leads from the solenoid unit.
!
Disconnect the earth lead from the solenoid unit.
!
Pull the tap & solenoid unit clear.
!
To separate the tap from the solenoid, detach the solenoid unit at the gas tap end
!
Replace in the reverse order.
14.5 To remove the piezo generator.
!
Remove the gas tap, FSD & solenoid unit as described 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.
14.6 To remove the main burner injector.
!
Detach the burner unit from the fire box as described above.
!
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.
!
Unscrew the injector from the support bracket.
!
Refit in the reverse order. Make sure that no leads are trapped.
14.7 To remove an “On” or “Off” switch.
!
Detach the fan switch bracket from the burner control bracket by removing two
screws (See figure 46). Carefully pull clear of the burner unit.
!
Detach the two leads from the switch that is to be removed.
!
Press in the plastic spring grips at the ends of the switch and pull the switch clear of
the bracket.
!
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.
14.8 To gain access to the electrical control
components.
!
Remove the burner unit as described
above.
!
Detach the control unit from the fire box
(left hand side) flange by removing two
screws (See figure 47). Carefully withdraw
the unit.
!
Detach the fan wiring loom connection. (See figure 48).
Page 39
INSTALLER GUIDE
Figure 47.