Norcold N61X Service Manual
Also see for N61 Series: Owner's manualOwner's manualInstallation manual
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www.norcold.com/cda 29N6XX/N8XX ModelsRefrigerator Service ManualOrificeThe orifice controls the flow of propane gas to theburner. When replacing the orifice always use the sizeorifice specified. Using the wrong size or a damagedorifice will alter the amount of propane flowing to theburner.N62X/N64X units with serial number 886961 and higherand N82X/N84X units with serial number 889988 andhigher are equipped with an LP16 cap type orifice. Allother units with serial numbers lower than those listedwere originally equipped with an 0.155 jeweled orifice.See Figure 11.BurnerThe burner, see Figure 12, provides primary air accessand acts as the fuel mixing chamber to supportignition and the combustion of propane gas. Primarycombustion air flows into the burner through threecircular openings. Any obstruction blocking any of thethree openings will have an effect on the fuel/airmixture. Insufficient combustion air will cause carbondeposits to clog the burner slots. Carbon cloggedburner slots along with heavy dirt deposits in theburner are the main cause of no cooling or poorcooling performance when the refrigerator is operatingin LP gas mode.Burner TubeThe burner tube is 1/4 inch OD aluminum tubing withan anti-vibration loop and a double flare at each end.See Figure 13.WARNING:Do not use compressed air to clean a jeweled typeorifice. The air pressure may dislodge the orifice fromthe adapter.CAUTION:Do not install cap style LP16 orifice in a burner thatuses a jeweled type orifice or vise versa. The orificeadapter's threads are not compatible. Each orificemust be matched to its burner.WARNING:Do not separate cap style LP16 orifice from its adapter.Separating the assemblies breaks the seal andcauses an LP gas leak.Figure 12. Burner.Figure 11. 0.155 and LP16 orifice assemblies.0.155Cap type LP16 orifice assembly0.155 Jeweled orifice assemblyL P16Figure 13. Burner tube.Gas valve connectionBurner connection |
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