Combustion Chamber Insulation Replacement - IDEAL istor HE260 Installation And Servicing

71 COMBUSTION CHAMBER INSULATION REPLACEMENT

Ideal Stelrad Group recommends that, for your own comfort
and safety and to comply with good working practice, the
procedure described below is followed:
1. Refer to 'Replacement of Components' Frame.
2. Remove the boiler front and sealing panels. Refer to
'Boiler Front Panel Removal' and 'Boiler Sealing Panel
Removal' Frame.
3. Remove the fan / venturi assembly. Refer to 'Fan and
Venturi Assembly removal and cleaning' Frame.
4. Remove the burner. Refer to 'Burner removal and
cleaning' Frame.
5. Remove the ignition electrode. Refer to 'Ignition Electrode
replacement' Frame.
6. Remove the flame detection electrode. Refer to 'Flame
Detection electrode replacement' Frame.
7. Remove the front and rear ionisation probes and discard.
Prior to removal of the insulation piece the following
protective equipment should be worn:
- Face mask supplied with the spare part.
- Gloves supplied with the spare part.
8. Damp down the combustion chamber area containing
the insulation piece.
9. Remove the insulation piece. The replacement one piece
insulation is supplied in a plastic bag, this bag should be
retained and the discarded insulation should now be
placed into it.
10. Sweep any dampened particles and place in the plastic
bag.
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SERVICING
Insulation
Combustion
chamber
11. Fit new insulation piece -
(a) Locate and align the insulation with the electrode
holes and position the insulation into the combustion
chamber.
(b) Push the flexible material into the corners of the
combustion chamber ensuring it is flat and flush
against the combustion chamber wall.
(c) Interlock the insulation piece along the back wall of
the combustion chamber.
(d) Again push the flexible material into the corners of the
combustion chamber ensuring it is flat and flush
against the combustion chamber wall.
(e) Secure the insulation by replacing the ionisation
probes with those supplied in the kit. Note that
ionisation probes are a serviceable component and
require inspecting annually.
Note. The insulation is designed to be interlocking and
should be fitted as shown.
12. Remove the gloves and face mask and place them in the
plastic bag.
13. Wash your hands and any areas of skin which may have
come into contact with any of the particles from the
insulation piece.
Note. Seal the plastic bag and dispose of it and its contents
into a commercial tip.
14. Reassemble in reverse order.
15. Check operation of the boiler. Refer to 'General Checks'
Frames.
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Installation and Servicing