45
REMOVAL
1. Loosen the two screws retaining the front panel.
2. Pull the two spring clips down to disengage and pull panel
forward and upward and remove.
46
FAN AND VENTURI ASSEMBLY REMOVAL AND CLEANING
1. Disconnect the electrical leads from the fan.
2. Remove the clip from the gas control valve
outlet and ease the pipe upwards rotate and
then ease down to remove.
3. Remove the extended nut on the fan
mounting bracket.
4. Lift off fan and venturi assembly.
5. Undo the two M4 screws and release the
nozzle assembly.
6. Inspect the injector for blockage or damage.
7. Inspect fan outlet sealing gasket and
replace if necessary.
view from top of boiler
view from bottom of boiler
1
2
3
Flue sampling point
(for rear ue termination)
1
2
3
5
Injector
REPLACEMENT
3. Hook the panel onto the top retaining clips.
4. Push the panel until the 2 bottom spring clips engage
ensuring the 4 control knobs line up with the holes in the
front panel.
5. Re-tighten the two retaining screws.
SERVICING