Ideal Boilers Mexico Super 100 FF Installation And Servicing Manual

Ideal Boilers Mexico Super 100 FF Installation And Servicing Manual Manual pdf 31 page image

31Mexico Super 100 FF & 125 FF - InstallationSERVICING58 BURNER AND CONTROLS ASSEMBLY REMOVAL1. Remove the silicon rubber tube from the fan sensingpoint.2. Disconnect the fan leads.3. Remove the M4 screw securing the flue connector to thefan.4. Slacken the M4 screw securing the flue connector to theturret front panel.5. Disconnect the silicon rubber tube from the top of thecollector hood.6. Remove the 4 M4 screws on the top of the collector hoodand by sliding it forwards remove collector hood/fanassembly.7. Check that the fan impellor runs freely. Remove anydebris from the impellor with a soft brush.8. Remove the flue baffles.9. Remove all loose deposits from the heat exchanger,particularly between the fins, using a suitable brush.10. Re-assemble in reverse order. Lubricate fan 'O' ring withsilicon grease. Ensure the fan leads and 2 sensing tubesare connected.59 CLEANING THE BURNER / PILOT ASSEMBLY1. Brush off any deposits that may have fallen onto theburner head (ensuring that the flame ports areunobstructed) and remove any debris that may havecollected.Note. Brushes with metallic bristles MUST NOT beused.2. Remove the main burner injector .Check, clean orreplace, as required.3. Refit the injector, using an approved jointing compound.4. Inspect the pilot burner and ignition/detection electrode;ensure they are clear and in good condition.Check that:a. The pilot burner is clean and unobstructed.b. The ignition/detection electrode is clean andundamaged.c. The ignition/detection lead is in good condition andsecurely connected.d. The spark gap is correct. Refer to Frame 69.e. The position of the ignition/detection electrode relativeto the pilot burner is correct. Refer to Frame 69.5. Clean or renew components as necessary.60 CLEANING THE FAN/FLUEWAYS1. Remove the 2 screws and lift off the lowerfront panel. Refer to Frame 57.2. Remove the grilleassembly. Undo the gascock union.3. Disconnect the ignitionlead from the PCB.4. Remove the 4 wing nutsand withdraw the burnerand controls assembly,complete, from the boiler.5. Place on a convenientworking surface.SERVICING