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manual abstract
See Fuel and Air Line Replacement and Proper Routing, page 9. 14. Replace photocell in photocell bracket. 15. Replace fan (see page 7). 16. Replace fan guard and upper shell (see page 7). Combustion Chamber Photocell Bracket Photocell Assembly Air Line Hose Fuel Line Hose Photocell Bracket Ignitor Wires Nozzle Adapter Bracket Ignition Control Assembly Side Cover Figure 10 - Disconnecting Ignitor Wires from Ignition Control Assembly Ignitor Ignitor Screw/Washer Assembly Nozzle Adapter Bracket Nozzle Adapter Bracket Opening Ignitor Element CAUTION: Do not bend or strike ignitor element. Handle with care. Combustion Chamber Figure 11 - Ignitor Replacement Ignitor OWNER’S MANUAL SERVICE PROCEDURES Continued NOZZLE ASSEMBLY 1. Remove upper shell (see page 7). 2. Remove fan (see page 7). 3. Remove fuel and air line hoses from nozzle assembly (see Figure 12). 4. Turn nozzle assembly 1/4 turn to left and pull toward motor to remove (see Figure 13). 5. Place plastic hex-body into vise and lightly tighten. 6. Carefully remove nozzle from the nozzle adapter using 5/8" socket wrench (see Figure 14). 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 (40-45 inch- pounds). See Figure 14. 10. Attach nozzle assembly to burner strap. 11. Attach fuel and airline hoses to nozzle assembly. See Fuel and Air Line Replacement and Proper Routing. 12. Replace fan (see page 7). 13. Replace fan guard and upper shell (see page 7). Fuel Line Hose Nozzle/ Adapter Assembly Combustion Chamber Air Line Hose Burner Strap Photocell Bracket Figure 12 - Removing Air and Fuel Line Hoses Nozzle/ Adapter Assembly Combustion Chamber Figure 13 - Removing Nozzle/Adapter Assembly Nozzle Face Nozzle Nozzle Seal Nozzle Adapter Air Line Fitting Fuel Line Fitting Figure 14 - Nozzle and Nozzle Adapter FUEL AND AIR LINE REPLACEMENT AND PROPER ROUTING 1. Remove upper shell (see page 7). 2. Remove side cover screws using 5/16" nut driver. 3. Remove side cover. 4. Inspect fuel and air line hoses for cracks and/or holes. If fuel line hose is damaged, disconnect from nozzle adapter (see Figure 12) and from fuel filter (see page 8). If air line hose is damaged, disconnect from nozzle adapter (see Figure 12) and from barb fitting on pump end cover (see Figure 15). 5. Install new air and/or fuel line. Attach one end of air line hose to barb fitting on pump end cover (see Figure 15) and the other end to nozzle adapter (see Figure 12). Attach one end of fuel line hose to fuel filter (see page 8) and the other end to nozzle adapter (see Figure 12). Route air and fuel line approximately as shown in Figure 12. Note:Hoses are not to be touching photocell bracket. 6. Replace side cover. 7. Replace upper shell and fan guard (see page 7). Pump End Cover Air Hose Barb Fitting Figure 15 - Air Hose to Barb Fitting Continued 104192 9 110,000 Btu/Hr H.S.I. Series PORTABLE FORCED AIR HEATER SERVICE PROCEDURES Continued PUMP ROTOR (Procedure if Rotor is Binding) 1. Remove upper shell (see page 7). 2. Remove filter end cover screws using 5/16" nut-driver. 3. Remove filter end cover and air filters (see Figure 16). 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 17). Note: Rotate rotor one full turn to insure the gap is .003"/.004" 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 7). Note:If rotor is still binding, proceed as follows. 13. Perform steps 1 through 6 above. 14. Place fine grade sandpaper (600 grit) on flat surface. Sand rotor lightly in “figure 8” motion four times (see Figure 18). 15. Reinstall insert and rotor. 16. Perform steps 10 through 12 above. Insert Rotor Air Output Filter Blade Pump Plate Air Intake Filter Filter End Cover Fan Guard Figure 16 - Rotor Location Gap Adjusting Screw Blade .003"/.004" Gap Measured With Feeler Gauge Rotor Gap Adjusting Screw Figure 17 - Gap Adjusting Screw Locations Sandpaper Figure 18 - Sanding Rotor IGNITION CONTROL ASSEMBLY (Procedure for Replacing Fuse) WARNING: High Voltage 1. Unplug heater. 2. Remove side cover screws (4) using 5/16" nut-driver to expose ignition control assembly. 3. Remove fuse cover (see Figure 19). 4. Remove fuse from fuse clips. 5. Replace fuse with fuse of the same type and rating (GMA-10). Do not substitute a fuse with a higher current rating. 6. Replace fuse cover. 7. Replace side cover. Figure 19 - Replacing Fuse Fuse Cover Fuse Clips Fuse 10 104192 OWNER’S MANUAL WIRING DIAGRAM Blue Photocell Power Plug120V/60Hz Ignitor Blue Red Yellow Green Motor White Black Bla...