14.4 To remove the main burner injector.
(See figure 39).
1.
Remove the burner as in point 1-4 of section 14.3.
2.
Remove the burner clamping screw (See figure 39)
3.
Unscrew the injector from the burner.
4.
Refit in the reverse order.
14.5 To remove the gas tap/F.S.D & solenoid
assembly.
1.
Remove the complete burner module as in section
14.1
2.
Disconnect the electrode lead from underneath the
electrode. To do this firmly hold the electrode lead
and gentle pull the lead clear of the electrode.
3.
Remove the thermocouple ‘push on’ connector to the gas valve. To do this, firmly
hold the thermocouple connector and gently pull it clear of the gas valve (See figure
36).
Never hold the thermocouple wire when pulling.
4.
Disconnect the inlet pipe at the solenoid junction.
5.
Disconnect the main burner pipe at the gas valve.
6.
Disconnect the pilot pipe at the gas valve.
7.
Pull off the control knob.
8.
Remove the gas tap fixing nut.
9.
Pull the gas valve and solenoid unit clear.
10.
To separate the gas valve from the solenoid, detach the solenoid unit at the gas valve
end.
11.
Replace in the reverse order.
14.6 To remove the piezo generator.
1.
Remove the gas valve and solenoid unit as described in section 14.5.
2.
Make sure that the gas valve is in the ‘OFF’ position.
3.
Remove the circlip holding the piezo unit
to the tap.
4.
Remove the piezo unit.
5.
Replace in the reverse order.
14.7 To gain access to the electrical control
components.
1.
Remove the complete burner module as in
section 14.1.
2.
Detach the control unit from the hotbox by
removing two screws (See figure 40).
Page 35
INSTALLER GUIDE
Figure 39. Main burner injector
removal
Figure 40.