Assessments - 2, GPA: 4
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HANDLE WITH CARE. 8. Carefully remove replacement ignitor from packing. Air Line Hose Fuel Line Hose Photocell Bracket Photocell Assembly Side Cover (Fig. 14) Ignitor Screw/ WasherAssembly Ignitor Element Photocell Bracket Ignitor Ignitor Wire Ignition Control Assembly Ignitor Nozzle Adapter Bracket 9. Carefully guide ignitor into opening in nozzle adapter bracket. Do not strike ignitor element. Attach ignitor to nozzle adapter bracket with screw using a 1/4" nut driver (Fig. 16). Torque .90 to 1.69 N-m (8 to 15 in-lbs) Do not over torque. 10. Replace combustion chamber. 11. Route the ignitor wires back down through the hole in the lower shell. Connect wires to the ignition control assembly (Fig. 15). 12. Replace side cover (Fig. 13 or 14). 13. Connect and route fuel line hose and air line hose to nozzle adapter assembly. See "Maintenance: Fuel Combustion Chamber Combustion Chamber Nozzle Adapter Bracket Photocell Bracket NozzleAdapter Bracket Opening (Fig. 15) Nozzle/ Adapter Assembly and Air Line Replacement and Proper Routing". 14. Replace photocell in photocell bracket. Route wires Air Line Hose Fuel Line Hose as shown in either Fig. 16 or Fig. 17. 15. Replace fan. Model: AC-70 (Fig. 16) 16. Replace fan guard and upper shell. Combustion Chamber Air Line Hose Nozzle Adapter Bracket Nozzle/ Adapter Assembly Fuel Line Photocell Hose Bracket Models: AC-115 / 165 (Fig. 17) Operator’s Manual Service MAINTENANCE (CONTINUED): NOZZLE ASSEMBLY: 1. Remove upper shell (See "Maintenance: Upper Shell Removal") 2. Remove fan (See "Maintenance: Fan"). 3. Remove fuel and air line hoses from nozzle assembly (Fig. 16 or Fig. 17). 4. Turn nozzle assembly 1/4 turn to left and pull toward motor to remove (Fig. 18). 5. Place plastic hex-body into vise and lightly tighten. 6. Carefully remove nozzle from the nozzle adapter using 5/8" socket wrench (Fig. 19). 7. Blow compressed air through face of nozzle. This will free any dirt in nozzle area. 8. Inspect nozzle sleeve for damage. 9. Replace nozzle into nozzle adapter until nozzle seats. Tighten 1/3 turn more using 5/8" socket wrench 4.5 to 5.1 N-m (40 to 45 in-lbs). See Fig. 19. 10. Attach nozzle assembly to burner strap (Fig. 18). 11. Attach fuel and airline hoses to nozzle assembly. See "Maintenance: Fuel and Air Line Replacement and Proper Routing". 12. Replace fan (See "Maintenance: Fan"). 13. Replace fan guard and upper shell (See "Maintenance: Upper Shell Removal"). FUEL AND AIR LINE REPLACEMENT AND PROPER ROUTING: 1. Remove upper shell (See "Maintenance: Upper Shell Removal"). 2. Remove side cover screws using 5/16" nut driver (Fig. 12 or 13). 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 (Fig. 16 or 17) and from fuel filter (See "Maintenance:Fuel Filter"). If air line hose is damaged, disconnect from nozzle adapter (Fig. 16 or 17) and from barb fitting on pump end cover (Fig. 20). 5. Install new air and/or fuel line. Attach one end of air line hose to barb fitting on pump end cover (Fig. 20) and the other end to nozzle adapter (Fig. 16 or 17). Attach one end of fuel line hose to fuel filter (see "Maintenance: Fuel Filter") and the other end to nozzle adapter (Fig. 16 or 17). Note: Route hoses as shown in see Fig. 16 or 17, according to model. Hoses are not to touch photocell bracket. 6. Replace side cover. 7. Replace upper shell and fan guard (See "Maintenance: Upper Shell Removal"). Combustion Chamber Nozzle/ Adapter Assembly (Fig. 18) Nozzle Face Nozzle Sleeve Nozzle NozzleAdapter Air Line Fitting Fuel Line Fitting (Fig. 19) Pump End Cover Barb Fitting Barb Fitting Air Hose 70 Models 115/165 Models (Fig. 20) Operator’s Manual Service 24 Operator’s Manual MAINTENANCE (CONTINUED): PUMP ROTOR: (Procedure if Rotor is Binding) 1. Remove upper shell (See "Maintenance: Upper Shell Removal"). 2. Remove filter end cover screws using 5/16" nut driver (Fig. 21 or 22). 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 (Fig. 21 or 22). 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 .076/.101 mm (.003”/.004”) if needed (Fig. 23). Note: Rotate rotor one full turn to ensure the gap is .076/.101 mm (.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 (see "Maintenance: Upper Shell Removal"). 12. Adjust pump pressure (see "Maintenance:Pump Pressure Adjustment"). Note: If rotor is still binding, proceed as follows. 13. Perform steps 1 through 6. 14. Place fine grade sandpaper (600 grit) on flat surface. Sand rotor lightly in a “figure 8” motion four times (Fig. 24). 15. Reinstall insert and rotor. 16. Perform steps 10 through 12. IGNITION CONTROL ASSEMBLY: WARNING: HIGH VOLTAGE! 1. Unplug spa...