Assessments - 3, GPA: 3.7
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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 17). 17. Replace fan guard and upper shell. Combustion Chamber Burner Head Air Line Hose Fuel Line Hose Screw Spark Plug Wire Spark Plug Figure 23 - Removing Burner Head, 20,5/26,4 kW (70/90,000 Btu/Hr) Models Nozzle Face Nozzle Burner Head Nozzle Seal Fuel line FittingAir line Fitting Figure 24 - Removing Nozzle, 20,5/26,4 kW (70/90,000 Btu/Hr) Models 15 16 102748 Pump Rotor (Procedure if rotor is binding) 1. Remove upper shell (see page 10). 2. Remove filter end cover screws using 5/16" nutdriver. 3. Remove filter end cover and air filters. 4. Remove pump plate screws using 5/16" nutdriver. 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" (.076/.101 mm) if needed (see Figure 27). Note: Rotate rotor one full turn to insure the gap is .003"/.004" (.076/.101 mm) at tightest position. Adjust if needed. 10. Install blades, pump plate, air filters, and filter end cover. 11. Replace fan guard and upper shell. 12. Adjust pump pressure (see page 13). Note: If rotor is still binding, proceed as follows. 13. Perform steps 1 thru 6 above. 14. Place fine grade sandpaper (600 grit) on flat surface. Sand rotor lightly in “figure 8” motion four times (see Figure 28). 15. Reinstall insert and rotor. 16. Perform steps 10 thru 12 above. Figure 25 - Rotor Location, 8,8/20,5 kW (30/70,000 Btu/Hr) Models .003"/.004" (.076/.101 mm) Gap Measured With Feeler Gauge Figure 26 - Rotor Location, 26,4/44 kW (90/150,000 Btu/Hr) Models Insert Blade Rotor Pump Plate Filter End Cover Air Intake Filter Air Output Filter Pump Plate Insert Rotor Blade Filter End Cover Air Intake Filter Air Output Filter Fan Guard Fan Guard Gap Adjusting Screw Rotor Gap Adjusting Screw Blade Sandpaper Figure 27 - Gap Adjusting Screw Locations Figure 28 - Sanding Rotor Fan IMPORTANT:Remove fan from motor shaft before removing motor from heater. The weight of the motor resting on the fan could damage the fan pitch. 1. Remove upper shell (see page 10). 2. Use 1/8" allen wrench to loosen setscrew which holds fan to motor shaft. 3. Slip fan off motor shaft. 4. Clean fan using a soft cloth moistened with kerosene or solvent. 5. Dry fan thoroughly. 6. Replace fan on motor shaft. Place fan hub flush with end of motor shaft (see Figure 30). 7. Place setscrew on flat of shaft. Tighten setscrew firmly (40-50 inch-pounds/ 4.5-5.6 n-m). 8. Replace fan guard and upper shell. SPECIFICATIONS Setscrew Motor Shaft Fan Figure 29 - Fan, Motor Shaft, and Setscrew Location Motor Shaft Fan Figure 30 - Fan Cross Section Setscrew Flush Output Rating (kW) 8,8 20,5 26,4 44 (Btu/Hr) 30,000 70,000 90,000 150,000 Fuel Use Only Kerosene or No. 1 Fuel Oil Fuel Tank Capacity (U.S. Gal./Liters) 3.0/11.35 5.0/18.92 9.0/34.06 13.5/51.09 Fuel Consumption (Gal. Per Hr./Liters Per Hr.) .23/.87 .49/1.85 .66/2.5 1.10/4.16 Electric Requirements 230 V/50 Hz (Same All Models) Amperage (Normal Run) .8 1.0 1.58 1.2 Hot Air Output (CFM/CMM) 140/3.96 225/6.36 425/12 500/14.2 RPM 1425 2850 2850 2850 WIRING DIAGRAMS ACCESSORIES Purchase accessories from your local dealer. 230V/50Hz Burner ControlIgnitor White Brown Blue Green/Yellow Green/ Yellow PhotocellSpark Plug B RRed Blue White Blue White Red Red Orange Terminal BoardMotor Green/ Yellow Reset Button Figure 31 - Wiring Diagram, 8,8/44 kW (30/150,000 Btu/Hr) Model 230V/50Hz Ignitor White Brown Blue Green/Yellow Photocell Burner Control B RRed Blue White Blue White Red Terminal Board Red OrangeMotor Green/ Yellow Red Motor Start Relay Black S or 2 M or 3 L or 1 Green/ Yellow Spark Plug Reset Button Figure 32 - Wiring Diagram, 20,5/26,4 kW (70/90,000 Btu/Hr) Models AIR GAUGE KIT - HA1180 For all models. Special tool to check pump pressure. HEAVY DUTY WHEELS AND HANDLE KIT - HA1202 For heavy duty applications. Makes your heater even more portable and convenient. For 8,8/20,5 kW (30/70,000 Btu/Hr) models. For all models. Special tool used to test the burner control and photocell. BURNER CONTROL/PHOTOCELL TESTER - HA1170 18 ILLUSTRATED PARTS BREAKDOWN AND PARTS LIST 6 WHEELS AND HANDLES FOR 26,4 and 44 kW (90,000 AND 150,000 Btu/Hr) MODELS KEY NO. PART NUMBER PART DESCRIPTION 26,4 90,000 QTY. 44 150,000 QTY. 1 2 3 4 5 6 7 HA2203 HA2204 M12345-33 M12342-3 M12831-3 NTC-3C 097766-01 M28526 M51015-01 M16801-2 Handles Handles Screw, #10-24 x 1 3/4" Wheel Support Frame Wheel Support Frame Hex Nut, #10-24 Wheel Cap Nut Axle Axle 2 — 8 1 — 8 2 2 1 — — 2 8 — 1 8 2 2 — 1 1 2 3 5 4 7 19 20 102748 ILLUSTRATED PARTS BREAKDOWN 8,8 kW (30,000 Btu/Hr) 18-1 18-2 18-3 18-4 18-5 18-6 18-7 18-8 18-9 18-10 18-11 18-12 18-13 18-14 18-15 18-16 18-17 18-18 Motor and Pump Assembly 1 2 3 4 5 6 7 8 9 11 12 13 13 15 16 17 18 19...
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