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OVERVIEW OF SETTINGS
6.7 Cleaning
Inadequate cleaning not only results in increased fuel
consumption but also shortens the life of the boiler.
The boiler is to be cleaned by a specialist twice a year
• Switch off the main switch
• Remove burner plug and switch off the fuel supply
• Unscrew the hexagon sealing nut with hole (1, Fig. 24)
using the steel mandrel supplied.
Attention: The sealing nuts without a hole must on no
account be unscrewed
• Open the boiler door and swing out burner.
• Thoroughly clean combustion chamber (2), second
compartment (3) and third compartment (4) using
a
brush or spray.
• Take off the cleaning cover (5, Fig. 25) at the back, on
-
ector.
Brush off the boiler back wall and the space between
the ends of the pipes.
-
ector at the connector (6).
•
Reclose and seal the cleaning apertures.
•
Close the boiler door and tighten the screws.
•
Plug the burner back in and switch on the boiler.
Fig. 24
Fig. 25
Fig. 26
1
5
6
2
3
4
• Refit the third pass tube bank retarders.
Remove the retarders from the third pass tube bank
(4, Fig. 26) and clean them.
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