Owner’s Manual 10Remove the RefrigeratorYour dealer or Norcold authorized service center must do thisprocedure.CAUTION: The rear of the refrigerator has sharp edgesand corners. To prevent cuts or abrasions when workingon the refrigerator, be careful and wear cut resistantgloves.1. Close the valve at the propane gas tank(s).WARNING: To avoid possible propane gas leaks,always use two wrenches to loosen and tighten the gassupply line connections.2. Remove the black AC power cord and the white ice maker ACpower cord (model N843-IM only) from the receptacle.3. Remove the DC wiring from the refrigerator:- Put a mark on the DC wires so you can put them back in thecorrect location.- Remove the burner box cover by removing the screw.WARNING: To avoid possible propane gas leaks,always use two wrenches to loosen and tighten thegas supply line connections.- Remove the flare nut from the orifice assembly [1] (SeeArt00956).- Remove the burner [2] from the orifice assembly.WARNING: Do not try to remove the orifice [3] from theorifice adapter [4] when cleaning. Removal willdamage the orifice and seal of the orifice and cancause a propane gas leak. Leaking propane gas canignite or explode which can result in dangerouspersonal injury or death. Do not clean the orifice with apin or other objects.- Clean the orifice assembly with air pressure and alcoholonly.- Using a wrench, assemble the orifice assembly to theburner.- Assemble the flare nut to the orifice assembly.- Examine all of the connections for gas leaks.- Clean the burner box.- Assemble the burner box cover.- Assemble the drip cup.Refrigerator MaintenanceGas flame appearance:While in GAS operation, examine the appearance of the gasflame:- Turn the temperature switch to the COLDEST position.- Open the lower intake vent.CAUTION: The burner box cover can be hot. Weargloves to avoid burns.- Remove the burner box cover by removing the screw.- Look at the gas flame [1] (See Art01605).- The flame should be:- a darker blue color on the inside of the flame anda lighter blue color on the outside of the flame.- a constant shape without flickering.- Contact your dealer or Norcold authorized servicecenter if the flame is:- yellow- flickering or changing shape.- Make sure the flame does not touch the inside of theflue tube [2].- If the flame touches the inside of the flue tube, contactyour dealer or Norcold authorized service center.- Close the burner box door.Remove and clean the burner orifice:Your dealer or Norcold authorized service center must do thisprocedure.Remove and clean the burner orifice (See Art00956):- Close the valve at the propane gas tank(s).- Push the selector switch to the OFF position to shut downthe refrigerator.CAUTION: The burner box cover can be hot. Weargloves to avoid burns.- Open the lower intake vent.- Remove the drip cup by removing the screw.