48W415-1519 / C / 11.06.15EN37.1C! WARNINGTHE FIREBOX BECOMES VERY HOT DURING OPERATION. LET THE APPLIANCE COOLCOMPLETELY OR WEAR HEAT RESISTANT GLOVES BEFORE CONDUCTING SERVICE.NEVER VACUUM HOT EMBERS.DO NOT PAINT THE PILOT ASSEMBLY.• This appliance will require maintenance which should be planned on an annual basis.• Service should include cleaning, battery replacement, venting inspection and inspection of the burner,media and firebox. Refer to the door removal section and remove the door as instructed.• Carefully remove media if necessary (logs, glass, brick panels etc).• Using a vacuum with a soft brush attachment, gently remove any dirt, debris or carbon build up from thelogs, firebox and burner. For glass media, follow the installation instructions for pre-cleaning.• Also gently remove any build-up on the pilot assembly including, if equipped; thermopile, thermocouple,flame sensor and igniter. NOTE: The fl ame sensor may require to be cleaned using a fi ne steel wool orScotch-Brite™ scrubbing pad to remove any oxides. Clean the pilot assembly using a vacuum with asoft brush attachment. It is important that the pilot assembly is not painted.• Inspect all accessible gaskets and replace as required.• Access the blower, if equipped and clean using a soft brush and vacuum.• Re-assemble the various components in reverse order.• Inspect the relief system. The appliance relieves through the main glass door or through the flaps on thefirebox top. Ensure they open freely, and close sealed.• Check the gas control valve pilot and Hi / Lo knobs move freely (if equipped) – replace if any stiffness inmovement is experienced.• Check for gas leaks on all gas connections up and downstream from the gas valve including the pilot tubeconnections.9.2 ANNUAL MAINTENANCE9.3 CARE OF GLASS5.1DO NOT CLEAN GLASS WHEN HOT! DO NOT USEABRASIVE CLEANERS TO CLEAN GLASS.Buff lightly with a clean dry soft cloth. Clean both sidesof the glass after the first 10 hours of operation with arecommended fireplace glass cleaner. Thereafter cleanas required. If the glass is not kept clean permanentdiscoloration and / or blemishes may result.HOT GLASS WILLCAUSE BURNS.DO NOT TOUCH GLASSUNTIL COOLED.NEVER ALLOW CHILDRENTO TOUCH GLASS.! WARNING5.5This appliance is factory equipped with 4mm tempered glass. Use only replacement glass available from yourNapoleon® dealer. DO NOT SUBSTITUTE MATERIALS.