CBX 24 & 32 SBX 30 - Trademate Home Page

6.5 COMBUSTION CHAMBER &HEAT EXCHANGERInspect the inside of the combustion chamber for debris. Ifnecessary, clean the inside of the tubes with a soft brush. Do notbrush the insulation at the rear, check the integrity of thecombustion chamber insulation panels, if damaged they willrequire replacement.26 26A SPARK ELECTRODE6.6 CONDENSATE DRAINThe condensate Drain has a removable cap, Figure 27, whichallows the removal of debris that may be caught within it. Place abowl under the cap to catch the condensate and remove the cap.Any debris inside will be expelled at this point. Replace the capensuring a good seal is made. Discard the condensate and debris.26B DETECTOR ELECTRODE6.7 DOMESTIC COLD WATER INLETFILTER (CBX APPLIANCES ONLY)Close the water inlet isolating cock, open a domestic hot watertap at the lowest point in the system and allow the pressure todissipate. Close this tap again. Undo the nut holding DHWturbine to the water inlet isolating cock. The filter inside theisolating cock can now be carefully removed, and cleaned asnecessary by flushing with water. Re-assemble in reverse order,ensuring all seals are replaced correctly. Refer to Figure 2825 GAS CONTROL VALVE, FAN & BURNER ASSEMBLY25