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Maintenance
• Assemble in reverse order.
• Remove soot/sulphur deposits with the
cleaning brush supplied.
Cleaning using the cleaning brush
• Open the boiler door.
• Pull out the turbulators (only for CNK-40/
FNK-40 and CNK-63/FNK-63).
Turbulators
Turbulator
• Pull out the hot combustion chamber.
Hot combustion chamber