Cleaning The Heat Exchanger - Baxi Bermuda Inset 2 Boiler 50/4 Installation And Servicing Manual

7.0 Annual Servicing - Page 21

7.7 Cleaning the Heat Exchanger

1. Remove the top and the centre baffles from the heat
exchanger, noting their orientation (Fig. 45).
2. Remove the side and rear insulation pieces by undoing
the screws retaining the support brackets and sliding the
rear bracket to the left and both side brackets forward (Fig.
46, 47, 48 & 49).
3. Each bracket may then be removed along with the
insulation.
4. Clean between the heat exchanger fins and flueways with
suitable brushes and remove any deposits from the
combustion box base tray.
5. Clean away any lint or other deposits from the boiler hood
and builders opening.
6. Reassemble the insulation in reverse order and refit the
baffles.
7. Reassemble the appliance in reverse order, re-greasing
the thermostat phial if required.
8. Re-commission the appliance and check for gas
soundness.
9. Complete the relevant section of the "Benchmark"
Installation, Commissioning and Service Record Log Book
and hand it back to the user.
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