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6. Carefully remove nozzle from the nozzle adapter using 5/8" socket wrench. 7. Blow compressed air through face of nozzle. This will free any dirt in nozzle area. 8. Inspect nozzle seal for damage. 9. Replace nozzle into nozzle adapter until nozzle seats. Tighten 1/3 turn more using 5/8" socket wrench (4045 inch-pounds). 10.Attach nozzle assembly to burner strap. 11.Attach fuel and airline hoses to nozzle assembly. 12.Replace fan (see page 10). 13.Replace fan guard and upper shell. 45° Burner Strap Figure 19 - Spark Plug Rotation, 35/50/55,000 BTU/Hr Models Only Burner Head Spark Plug Wire Spark Plug Figure 20 - Spark Plug Removal, 70/100/110/150,000 BTU/Hr Models Bend Here to Adjust Gap Gap Figure 21 - Spark Plug Gap, 70/100/110/150,000 BTU/Hr Models Nozzle Assembly Fuel Line Hose Nozzle Assembly Burner Strap Combustion Chamber Air Line Hose Figure 22 - Removing Air and Fuel Line Figure 23 - Removing Nozzle Assembly, Hoses, 35/50/55,000 BTU/Hr Models 35/50/55,000 BTU/Hr Models Nozzle Face Nozzle Nozzle Adapter Air Line Fitting Nozzle Seal Fuel Line Fitting Figure 24 - Nozzle and Nozzle Adapter, 35/50/55,000 BTU/Hr Models 12 13 099176 Nozzle (70/100/110/150,000 BTU/Hr Models) 1. Remove upper shell (see page 10). 2. Remove fan (see page 10). 3. Remove fuel and air line hoses from burner head. 4. Remove spark plug wire from spark plug. 5. Remove spark plug from burner head using 13/16" open-end wrench. 6. Remove three (3) screws using 5/16" nut-driver and remove burner head from combustion chamber. 7. Place burner head into vise and lightly tighten. 8. Carefully remove nozzle from burner head using 5/8" socket wrench (see Figure 26). 9. Blow compressed air through face of nozzle. This will free any dirt in nozzle area. 10.Inspect nozzle seal for damage. 11.Replace nozzle into burner head and tighten firmly (80-110 inch-pounds). 12.Attach burner head to combustion chamber. 13.Install spark plug in burner head. 14.Attach spark plug wire to spark plug. 15.Attach fuel and airline hoses to burner head. 16.Replace fan (see page 10). 17.Replace fan guard and upper shell. Burner Head Spark Plug Wire Spark Plug Combustion Chamber Screw Air Line Hose Fuel Line Hose Figure 25 - Removing Burner Head, 70/100/110/150,000 BTU/Hr Models Continued Burner Head Nozzle Nozzle Face Nozzle Seal Fuel Line Fitting Air Line Fitting Figure 26 - Removing Nozzle, 70/100/110/150,000 BTU/Hr Models 50 ROTOR PFA/P 056 Pump Plate Blade Air Intake Filter Filter End Cover Fan Guard Insert Rotor Air Output Filter Figure 27 - Rotor Location, 35/50/55/70,000 BTU/Hr Models 100 ROTOR-Domestic PFA/P 059A Blade Pump Plate Air Intake Filter Filter End Cover Insert Rotor Air Output Filter Figure 28 - Rotor Location, 100/110/150,000 BTU/Hr Models Fan Guard Pump Rotor (Procedure if rotor is binding) 1. Remove upper shell (see page 10). 2. Remove filter end cover screws using 5/16" nut-driver. 3. Remove filter end cover and air filters. 4. Remove pump plate screws using 5/16" nut-driver. 5. Remove pump plate. 6. Remove rotor, insert, and blades. 7. Check for debris in pump. If debris is found, blow out with compressed air. 8. Install insert and rotor. 9. Check gap on rotor. Adjust to .003"/.004" if needed (see Figure 29). Note: Rotate rotor one full turn to insure the gap is .003"/.004" at tightest position. Adjust if needed. White Black Blue Green Power Plug 120V 60HZ Photocell Spark PlugIgnitor...

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