Desa 8 (30, 44 kW (150, 5 (70, 4 (90, 20, 26 Removing Burner Head, 44 kW 150,000 Btu/Hr Model

Page 17

Nozzle

(44 kW [150,000 Btu/Hr] Model)

1.Remove upper shell (see page 10).

2.Remove fan (see page 19).

3.Remove spark plug wire from spark plug.

4.Remove spark plug from burner head using 13/16" open-end wrench.

5.Loosen ﬂare nut using 3/4" open-end wrench. Push fuel tube down.

6.Remove air line hose from burner head.

7.Remove three screws using 5/16" nut-driver and remove burner head from combustion chamber.

8.Place burner head into vise and lightly tighten.

9.Carefully remove nozzle from burner head using 5/8" socket wrench (see Figure 30).

10.Blow compressed air thru face of nozzle. This will free any dirt in nozzle area.

11.Inspect nozzle seal for damage.

12.Replace nozzle into burner head and tighten ﬁrmly

(80-110 inch-pounds/9.1-

12.4 n-m).

13.Attach burner head to combustion chamber.

14.Install spark plug in burner head.

15.Attach spark plug wire to spark plug.

16.Attach fuel tube and airline hose to burner head. Attach ﬂare nut until nut seats against fuel tube and ﬁtting. Tighten 1/4 turn more using 3/4" open-end wrench (100-130 inch- pounds/11.3-14.7 n-m).

17.Replace fan (see page 19).

18.Replace fan guard and upper shell.

Combustion

Chamber

	Spark Plug
Burner Head	Wire

Screw

Spark

Plug

Air Line Hose

Flare Nut

Fuel Tube

Figure 29 - Removing Burner Head, 44 kW (150,000 Btu/Hr) Model

Nozzle

Face

Nozzle

Seal

Nozzle

Burner

Head

Figure 30 - Removing Nozzle, 44 kW (150,000 Btu/Hr) Model

17

099623

Image 17

Contents Portable Forced AIR Heaters Contents Carbon monoxide poisoning may lead to death Safety InformationProduct Identification Tools Needed Unpacking AssemblyOperation TheoryTo Start Heater Ventilation OperationOperation Storing Preventative Maintenance ScheduleTo Stop Heater To Restart HeaterHow Often How To TROUBLE- ShootingFuel Filter Service ProceduresUpper Shell Removal Remove side cover screws using 5/16 nut-driver Spark Plug Removal, 8,8 kW 30,000 Btu/Hr Model Spark PlugSpark Plug Gap, 20,5/26,4/44 kW 70/90/150,000 Btu/Hr Models Air Output, Air Intake, and Lint Filters Pump Pressure AdjustmentRemoving Air and Fuel Line Hoses, 8,8 kW 30,000 Btu/Hr Model NozzleRemove upper shell see Removing Burner Head, 44 kW 150,000 Btu/Hr Model Remove rotor, insert, Pump RotorFan SpecificationsWiring Diagram, 8,8 kW 30,000 Btu/Hr Model Wiring DiagramsNumber Description QTY Illustrated Parts Breakdown and Parts ListKW 30,000 Btu/Hr Parts BreakdownKEY Part Number Description QTY Parts List20,5 kW 70,000 Btu/Hr Burner Head AssemblyFHPF3-2C 26,4 kW 90,000 Btu/Hr 098511-66 Upper Shell Black M16841-59 44 kW 150,000 Btu/Hr Illustrated Parts BreakdownNPC-4C Accessories 099623 Certificate of General Equipment Limited 90 DAY Warranty Warranty and Repair ServiceCalentadores Portatiles DE Aire Forzado Seccion Pagina ContenidoAdvertencias Informacion DE SeguridadIdentificacion DEL Producto Desembalaje Armado Combustibles Teoria DEFuncionamiento VentilacionProcedimiento Para apagar el calentadorPara volver a encender el calentador Advertencia ¡Alto voltaje Intervalo ProcedimientoFiltro de combustible Remoció n del casco superiorFiltro de combustible, buje Línea de combustible Inferior Bujía Quite el casco superior vea la Ajuste de la presió n de la bomba Filtros de salida de aire, de admisió n de aire y de pelusaBoquilla Tible del quemador Afloje la tuerca abocinada Figura Rotor de la bombaVentilador EspecificacionesAmarillo Rojo Diagramas DE AlambradoClave NO. Pieza Descripcion Despiece Ilustrado Y Lista DE PiezasKW 30,000 Btu/hr Despiece IlustradoLista DE Piezas 20,5 kW 70,000 Btu/hr Lista DE Piezas 26,4 kW 90,000 Btu/hr 098511-66 Casco superior negro 44 kW 150,000 Btu/hr M50104-03 Buje corto M10809-1 Juego DE Ruedas Y ASA DE Servicio Severo HA1202 AccesoriosNota Servicio DE Garantia Garantia Y Reparaciones