OB24 / OB36 / OB48 General Maintenance InstructionsThe appliance should be inspected before initial use and inspected and cleaned at least annually by a qualified field service person.Tampering is DANGEROUS and voids all warranties. Any component that is found to be faulty, must be replaced with an approvedcomponent.To obtain proper operation, it is imperative that the burner flame characteristics are steady, not lifting or floating. Check the burnerflame patterns with Burner System Maintenance Section.Periodically remove media and examine the burner. If dirty, clean with a soft brush. Also examine the area around the burner airshutter. Any dirt or lint in this area should be removed. This will ensure long life and trouble free operation. Replace media (rocks, logs,glass, etc.) as shown in manual. When the appliance is put back in service, check the burner flame patterns with Burner SystemMaintenance Section.Periodically check the hose connecting the LP-gas cylinder to ensure it is not damaged in any way.FOR SAFE INSTALLATION AND OPERATION NOTE THE FOLLOWING:The Burner/Log Assembly has been engineered and permanently adjusted for proper flame control.Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify properoperation after servicing.Cylinders must be stored outdoors in a well ventilated area out of the reach of children. Disconnected cylinders must have threadedvalve plugs tightly installed and must not be stored in a building, garage or any other enclosed area.Storage of this appliance indoors is permissible only if it has been disconnected from its fuel supply (natural gas line or LP gascylinder).The LP gas cylinder supply system must be arranged for vapor withdraws.The LP gas cylinder used must include a collar to protect the cylinder valve.When an LP model is not in use, the LP gas must be turned off at the supply cylinder.The appliance and its individual shut off valve must be disconnected from the gas supply piping system during any pressure testing ofthe system at test pressures in excess of ½ psi (3.5 kPa).The appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressuretesting of the gas supply piping system at test pressures equal to or less than ½ psi (3.5 kPa).CLEANINGIt is recommended to annually inspect and clean the unit to prevent malfunction and / or sooting. This operation should be performed byyour dealer or a qualified technician.Carefully remove media (log set, Rocks, Glass, etc.). Gloves are recommended.Warning: Turn off Unit and allow to cool before cleaning. Only a qualified service technician should service and repair appliance.• Do not use cleaning fluids to clean logs.• Use a soft bristle brush or a vacuum with brush attachment.• Vacuum loose particles and dust from burner and valve• Inspect Burner Plate, Pilot, Valve, and Mixing Sleeve for spider webs or other blockages.• Replace media. Refer to the appropriate page in this manual for proper placement of contents, such as logs.38