Baxi Solo 3 PFL 30 Installation & Servicing Instructions Manual page 37

Baffle Retension Clip
60, 70 and 80
Models Only
Fig. 104
Flexible Tubes
Fig. 107
© Baxi Heating UK Ltd 2009
Baffles
Electrode
Fig. 105
Pilot Hood
Pilot Injector
Sealing Washer
Fig.106
9.0 Annual Servicing
9.2
Fig. 102
1. Remove the burner assembly by pulling it forward
(Fig. 103).
2. Lightly brush any dirt from the top of the burner
blades and ensure that the ports are free from
obstruction.
3. Remove the baffle retension clip (Fig. 102).
4. Lift the baffles out of the heat exchanger
(Fig. 103).
9.3
1. The heat exchanger may be cleaned by insertion of a
thin metal strip e.g. a hack saw blade or steel rule, from
above or below, taking care not to damage any
insulation.
2. Clean the front and rear fin sections and ensure that
any blockages are cleared.
9.4
Fig. 103
1. Remove the injector which is screwed into the
burner feed manifold (Fig. 104).
2. Examine and clean carefully, then replace ensuring
that the copper washer is in position. Tighten the
injector fully.
9.5
1. Disconnect the spark electrode lead at the electrode
(Fig. 105).
2. Unscrew the electrode from the manifold and
withdraw the electrode (Fig. 105).
3. Remove the right hand side insulation carrier bracket
by releasing the screw. Remove the side insulation
(Fig. 103).
4. Release the screw securing the pilot hood and
remove (Fig. 106).
5. Carefully remove the pilot injector (Fig. 106).
Examine and clean it as necessary. Do not use a wire or
pin to clean the injector orifice.
6. Examine the sealing washer (Fig. 106) and replace if it
is damaged in any way. Reassemble in reverse order.
7. Replace all components in reverse order ensuring
that the flexible tubes from the fan unit to the pressure
switch are routed correctly and that they are not kinked
or flattened (107).
8. Check that the seal to the combustion box door is
good.
9. Re-commission the boiler before use, checking for gas
soundness and ensuring all controls are working
correctly.
10. Complete the relevant Service Interval Record
section of the Benchmark Commissioning Checklist and
hand it back to the user.
Cleaning the Combustion Box
Cleaning the Heat Exchanger
Cleaning the Burner Injector
Cleaning the Pilot
37