Changing Components - Baxi Brazilia F5 Installation And Servicing Instructions

Brazilia F5, F5S & F8S
7.0 Changing Components – Page 13
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7.1 Changing Components

1. Before changing any components please read
Section 1.3 Important Information.
2. Turn off the gas supply and ensure that the appliance is
cold.
3.Remove the control knob by pulling forward, then remove
the case by easing upwards and forwards until it is clear of
its retaining lugs (Fig. 19).
4. After changing any components re-commission the
appliance
7.2 Piezo Unit (Fig. 20).
1. Pull off the spark lead at the rear of the igniter.
2. Straighten the tabs securing the piezo unit to the tap
retaining plate and remove.
3. Fit the new piezo unit and twist the tabs slightly to secure.
4. Replace all components in the reverse order of
dismantling.
7.3 Gas Control Tap
1. Undo the heat exchanger retaining nuts and washers and
draw the casting forwards off the locating studs.
2. Remove the three screws holding the burner retaining
plate to the airbox and undo the thermocouple nut from the
gas tap (Fig. 21 & 23).
3. Ease the thermocouple and electrode leads from the
rubber grommet (Fig. 22).
4. Disengage the burner from the injector and pull the
electrode lead off the spark electrode (Fig. 21).
5. Pull off the spark electrode lead at the rear of the igniter
(Fig. 23).
6. Remove the supply pipe from the gas tap.
7. Undo the nut holding the gas tap to its retaining bracket,
and disengage the tap from the bracket (Fig. 23).
8. Remove the injector and sealing washer. If the washer is
damaged it must be replaced.
9. On re-assembly ensure that the airbox sealing grommet is
correctly positioned and check for gas soundness.
Baxi Heating Ltd.
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