30
Fit a new centre gasket between the plaques. If there is any play between the
plaques and the end retaining flanges, push the plaques and gasket firmly to the
left squeezing the gasket between the two plaques. Any gap should be between
the right side of the plaque and the right side retaining flange.
15.1.7
Fit the front and rear plaque clamping strips. Make sure that the
plaques are as far to the left as possible.
It is important that the left side plaque is
accurately positioned so that it has the correct relationship to the pilot.
Fully
tighten the clamping strips.
15.1.8
Refit the ceramic fuel effects and walls as described in part 12 of this
manual.
15.2
To Remove The Front Surround
15.2.1
Remove the bottom front cover casting
.
15.2.2
Lift the fire front casting up and forward to release the locating screw
heads at the back of the casting from the keyholes in the surround sides. Lift
the casting clear.
15.2.3
Remove the two screws securing the bottom of the front
surround to the sides of the convection box.
Raise the front surround to allow the retaining lugs at the top to
clear the slots in the convection box hood and then lift clear (see
figure 46).
15.2.4
Replace in the reverse order.
15.3
To Remove The Pilot Unit
15.3.1
Remove the 7 loose coals, ceramic side walls, front base
coal, rear base coal and ceramic back wall.
15.3.2
Remove the front surround unit - See section 15.2
.
15.3.3
Support the inlet isolating elbow to avoid straining the pipework and
disconnect the appliance from the elbow
.
15.3.4
Detach the burner unit from the convection box by removing 2 screws
(see figure 47). Carefully lift the burner unit forward making sure that the unit
does not snag on any leads. Rest the burner on its front face to allow access to
the pilot and gas tap.
15.3.5
Disconnect the electrode lead from tab underneath the electrode.
15.3.6
Undo the thermocouple nut at the gas tap .
15.3.7
Disconnect the pilot pipe from the pilot unit elbow.
15.3.8
Remove the first screw
s
ecuring the dust cage to the
pilot
unit/burner (see figure. 48). Carefully remove the dust cage and place
aside.
15.3.9
Remove the second screw securing the
pilot unit to the
burner. Remove the pilot unit and place it aside.
15.3.10
Refit in the reverse order. Make sure that no leads are trapped.
Note 1 The pilot unit must be replaced as a whole assembly. Its individual
components are not separately replaceable.
2. Once removed, ensure that the dust cage is cleaned before refitting. Make sure
that it locates squarely onto the pilot unit without any gaps between the cage edges and the
pilot unit.
15.4
To Completely Remove The Burner Unit
15.4.1
Remove the ceramics and front surround, disconnect the appliance and
detach the burner unit from the convection box as sections 15.3.1 to 15.3.4.
15.4.2
Detach the burner wiring loom connection at the right side of the
burner (see figure 49).
15.4 .3
Refit in the reverse order. Make sure no leads are trapped.
Figure 49 Burner loom connector
Figure 48 Pilot unit fixings
(Dust cage not
shown for clarity)
Figure 47 Burner fixing points
Figure 46 Front surround
removal
