Ideal Boilers Classic RS 300 Installation & Servicing Manual

Ideal Boilers Classic RS 300 Installation & Servicing Manual Manual pdf 25 page image

25Classic RS - Installation & ServicingSERVICING42 DETECTION ELECTRODE REPLACEMENT1. Refer to Frame 36.2. Remove the burner and air box assembly. Refer to Frame 43.3. Remove the electrode retaining nut.4. Remove the pilot shield.5. Remove the ignition electrode and integral lead.6. Refit the new electrode and lead in reverse order.Ensure that the pilot shield is replaced.7. Check the spark gap. Refer to Frame 40.8. Refit the burner.9. Check the pilot ignition.41 IGNITION ELECTRODE AND LEAD REPLACEMENT1. Refer to Frame 36.2. Remove the screw retaining the front burner support strapto the combustion chamber.3. Remove the M5 pozi screw, situated at the LH bottom rearof the burner. Pull the burner downward to disengage theretention tab and remove the burner.4. At this stage the main burner injector can be removed,checked, cleaned or replaced as required. Ensure that anapproved jointing compound is used sparingly.5. Fit the new burner, ensuring that the retention tab iscorrectly located in the air box slot.6. Refit the M5 retaining screw.7. Refit the boiler casing.9. Check the burner for cross-lighting and flame stability.43 MAIN BURNER AND MAIN BURNER INJECTOR REPLACEMENT3 4RetainingclipCla 21212Clas 21221. Refer to Frame 36.2. Pull the electrode and lead from the PCB connection.3. Remove the bracket retaining screw.4. Pull the bracket forward to disengage the rear retainingclip.5. Remove the bracket.6. Remove the screw retainingthe detection electrode.7. Fit new detection electrodeand reassemble in reverseorder.SERVICING