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Maintenance
Burner/heatingwater heat exchange
disassembly. cleaning and assembly
.Slackenandremovethethreadedrodsofthe large
combustion chamberlid (four no.).
. Removethe burner upwards.
.Removethe large combustion chamberlid.
. Removethe combustion chamberbase.
Threadedrod
Fig.: Threadedrodsof the largec:ombustionc:hamberlid
Burner
Fig.: Burner
32
Fig.: Largec:ombustionc:hamberlid
Fig.: Combustionc:hamberunit
Ic:ondensatesump
Combustionc:hamberbase
Fig.: Combustionc:hamberbase
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