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Weil-McLain NX Blower wheel assembly, Blower Wheel Replacement, Professional Maintenance, Page

Models: NX

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Professional Maintenance

•Blower Wheel Replacement

For installation or replacement of a blower wheel, insure that there is a space between the blower wheel and the motor face of 0.115”. Refer to Figure 10.

Figure 10. – Blower wheel assembly

SK9670

WM 550-141-996/1105 RWB 6104WMNX R1005

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Weil-McLain NX manual Blower wheel assembly, Blower Wheel Replacement, Professional Maintenance, Page

Contents

Warning-Noticeto Owner Incorrect InstallationPage Beckett Model NX BurnerPage Table of ContentsCaution-Designation Hazard DeﬁnitionsGeneral Information To the Owner Warning-DesignationWeil-McLainBurner Speciﬁcations qualiﬁed Service TechnicianTable 1. Burner Conﬁgurations PageGeneral Speciﬁcations Warning-Professional Service RequiredGeneral Speciﬁcations Table 2 - Burner SpeciﬁcationsNotice Special Requirements Figure 1. Burner label locationGeneral Speciﬁcations PageFigure 2. Pressure Switch Installation Inspect/Prepare Installation SiteSafety Shutoff for Direct Vent System Site PreparationSystem Wiring Fuel Line InstallationFuel Line Valves and Filter Site PreparationPrepare the Burner Wiring Connection DiagramCaution-OilSupply Pressure Control Required Burner Preparation Warning - By-passPlug inPage Burner PreparationFigure 3. - Burner Connections Page Burner PreparationSK9805 61351Start-upand Initial Settings Figure 5. - Head/air Adjustment Plate AssemblyStart the Burner Start the Burner and Set CombustionWarning-Checkfor Excess Fuel Accumulation Cover InstallationFigure 6. - Burner Cover Could cause death, personalTrained Service Technician’s Regular Maintenance Professional MaintenanceWarning-Professional Service Required PageFigure 7. - Electrode tip gap and spacing Nozzle InstallationProfessional Maintenance PageCheck/Adjust “Zero” Calibration Check/Adjust ElectrodesFigure 9 - Retention Head/Throttle Cup Alignment Professional MaintenanceBlower Wheel Replacement Figure 10. - Blower wheel assemblyProfessional Maintenance PageProfessional Maintenance Replacement Parts DiagramPage SK967102Page Professional MaintenanceR.W. BECKETT CORPORATION WARRANTYR.W. BECKETT CORPORATION Limited