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19. ANNUAL SERVICING
If the boiler was operating, wait for the combustion chamber and pipes to cool down.
Before commencing any maintenance operations, make sure the boiler is disconnected from the power supply. After servicing,
reset the original operating parameters of the boiler if they were changed.
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It is advisable not to use the service cap at the base to empty and clean the siphon. Remove the siphon from inside the boiler
and clean it with a jet of water. Fill the siphon with clean water and put back in place, making sure that it is properly connected.
19.1 HYDRAULIC UNIT
19.2 CLEANING THE FILTERS
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When replacing and/or cleaning the O-rings on the hydraulic assembly, only use Molykote 111 as a lubricant, not oil or
grease.
19.3 DISMOUNTING THE WATER-WATER HEAT EXCHANGER
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Pay great attention when dismantling the individual parts of the hydraulic assembly. Do not use sharp tools, do not apply
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7733595 (01-05/19)
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