Pilot Burner Replacement; Control Thermostat Replacement - IDEAL Mexico RS 3/100 Installation And Servicing Manual

Floor standing, gas fired, balanced flue, room sealed boiler
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38 PILOT BURNER REPLACEMENT

1. Lift off front panel and remove the grille assembly - refer to Frames 29 & 30.
Undo the gas cock union and the 4 wing nuts to remove the burner / controls
assembly.
2. Prise the retaining clip out of the groove in the electrode, using a small
screwdriver, and withdraw the electrode.
3. Unscrew the thermocouple nut and pull the thermocouple clear..
4. Undo the pilot supply pipe connection and ease clear of the pilot burner. DO
NOT lose the pilot injector, which is a push-fit in the pilot burner housing.
5. Remove the 2 securing screws and washers, and withdraw the pilot burner.
6. Fit the new pilot burner and re-assemble in reverse order, ensuring that:
a. The injector is in position when refitting the pilot supply.
b. A gas-tight joint is made.
c. The spark gap is correct. Refer to Frame 43.

39 CONTROL THERMOSTAT REPLACEMENT

1. Lift off the front door - Refer to Frame
29.
2. Pull off the thermostat knob.
3. Remove the 2 screws and pull down
the control panel tabs clear of the top
panel.
4. Remove the thermostat phial from the
pocket - refer to Frame 29.
5. Remove the bottom screw and remove
the cover.
6. Remove the top screw and ease the
control box off the control panel.
7. Remove the 2 screws to release the
thermostat bracket.
8. Disconnect the electrical leads.
9. Unscrew the thermostat nut to
withdraw the thermostat.
10. Fit the new thermostat and re-
assemble in reverse order.
40 IGNITION LEAD REPLACEMENT
1. Lift off front panel and remove the grille assembly -
refer to Frames 29 & 30.
Undo the gas cock union and the 4 wing nuts to
remove the burner / controls assembly.
2. Remove the purse clip.
3. Undo the 2 securing nuts and washers. Remove
the sealing plate and gasket.
4. Disconnect the ignition lead from the base of the
electrode and the piezo unit, and withdraw the
lead.
5. Fit the new lead and re-assemble in reverse order.
24
SERVICING
Mexico Super RS 3/100 & 3/125 -
Installation

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Mexico rs 3/125

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