Ideal Boilers Mexico Slimline RS 3/40 Installation & Servicing Manual

22 Mexico Slimline RS 3/40 & 3/50 - Installation27 SCHEDULE e. Check the condition of the thermocouple.f. Check that the flue terminal is unobstructed and that theflue system, including the flue cleanout cover, is sealedcorrectly.g. If the appliance has been installed in a compartment,check that the ventilation areas are clear.The servicing procedures are covered more fully in Frames 28to 33 and MUST be carried out in sequence.WARNING. Always turn OFF the gas supply at the gasservice cock and switch OFF and DISCONNECT the electricalsupply to the appliance BEFORE SERVICING.IMPORTANT. After completing the servicing or exchange ofcomponents always test for gas soundness and carry outfunctional checks as appropriate.SERVICINGSERVICING1. Lift off the lower front panel.2. Remove the 2 screws and lift off the grille assembly.3. Remove the gas valve electrical cover and disconnectthe electrical leads.4. Release the gas valve lead from the retaining clip.28 BOILER CASING REMOVALTo ensure the continued safe and efficient operation of theappliance, it is recommended that it is checked at regularintervals and serviced as necessary. The frequency ofservicing will depend upon the installation condition andusage but should be carried out at least annually .It is the law that any service work must be carried out by aCORGI registered installer.a. Light the boiler and carry out a pre-service check,noting any operational faults.b. Clean the main burner.c. Clean the heat exchanger.d. Clean the main injectors.5. Remove the 2 screws securing the controlpanel and pull down to release the tabsfrom under the top panel.6. Remove the thermostat phial from thepocket as shown.7. If the boiler is not fitted under a work top,access for flue cleaning will be improved byremoving the top panel.