Baxi Eco 3 Service Manual download pdf (Page 29)

12.0 Changing Components

29

12.5 Injectors (Fig. 64)

1. Remove the burner as described in Section

12.4.

2. Undo the screws securing the injector

manifold to the inlet elbow and remove the

manifold.

3. Unscrew and replace injectors as required

and examine the sealing gasket, replacing as

necessary. Reassemble in reverse order.

12.6 Electrodes (Fig. 64)

1. Remove the four screws securing the

combustion box door and remove the door.

2. Draw the burner out of the combustion box,

pulling the electrode grommets from the slots in

the combustion box lower panel.

3. Disconnect the lead and grommet from the

electrode being replaced. Undo the securing

screw and withdraw the electrode to the burner.

4. Reassemble in reverse order.

12.7 Insulation (Fig. 65)

1. Remove the four screws securing the

combustion box door and remove the door.

2. Slide the side insulation pieces carefully out

of their carriers.

3. To replace the rear insulation piece it is

necessary to remove the heat exchanger as

described in Section 12.3 and slide out the side

pieces.

4. The combustion box door insulation piece

can be replaced by carefully bending up the two

retaining tabs.

5. Replace all insulation pieces and reassemble

in reverse order.

13.8

Injector

Manifold

Inlet Elbow

Gasket

Injector

Burner

Electrode

Grommets

Electrode

Leads

Side Insulation

Rear Insulation

Front Insulation

Combustion

Box Door

Side Insulation

Electrodes

Fig. 64

Fig. 65

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