Technical data

13.0 Changing Components
45
13.27 Heat Exchanger Insulation Pads
(Fig. 84)
1. Remove the fan and condensate trap (see
section 13.21 and 13.24).
2. Remove the burner (see section 13. 25).
3. Remove the four bolts securing the
combustion box base.
4. Remove the combustion box base.
5. Pull the central insulation panel down from the
centre of the heat exchanger and remove the
insulation pads.
6. Check combustion box seal for damage,
replace if necessary.
7. Fit the new insulation pads and reassemble in
reverse order.
Fig. 84
Central Insulation
Panel
Lower Insulation
Panel
Upper Insulation
Panel
Burner
Combustion Box
Base
Support Bracket
Burner Securing
Screws
Combustion Box Base
Securing Bolts