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Unplug power cord from outlet. To Restart Heater 1. Wait 2 minutes after stopping heater. 2. Repeat steps under To Start Heater, page 7. 1. Drain fuel tank. Note:Some models have drain plug on underside of fuel tank. If so, remove drain plug to drain all fuel. If heater does not have drain plug, drain fuel through fuel cap opening. Be sure all fuel is removed. 2. Replace drain plug if used. 3. Add one gallon (4 liters) of clean kerosene or paraffin to fuel tank. 4. Attach fuel cap. 5. Move heater forwards and backwards to stir fuel. 6. Remove fuel cap or drain plug and drain fuel tank. Be sure all fuel is removed. 7. Replace fuel cap or drain plug. Properly dispose of old and dirty fuel. 8. Store heater in dry place. Make sure storage place is free of dust and corrosive fumes. IMPORTANT:Do not store kerosene or paraffin over summer months for use during next heating season. Using old fuel could damage heater. ! WARNING Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. Item How Often How To Fuel tank Flush every 150-200 hours See Storage above. of operation or as needed. Air output and Replace every 500 hours of See Air Output, Air Intake, lint filters operation or once a year. and Lint Filters, page 14. Air intake Wash and dry with soap and See Air Output, Air Intake, filter water every 500 hours of and Lint Filters, page 14. operation or as needed. Fuel filter Clean twice a heating season See Fuel Filter, pages 10 or as needed. and 11. Continued 8 Continued TROUBLESHOOTING Item How Often How To Spark plug Clean and regap every 600 hours operation or replace as needed. See Spark Plug, pages 12 and 13. Fan blades Clean every season or as needed. See Fan, page 19. Motor Not required/permanently lubricated ! WARNING Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. OBSERVED FAULT POSSIBLE CAUSE REMEDY Heater ignites, but Wrong pump pressure See Pump Pressure flame-out control Adjustment, page 14. shuts off heater after Dirty air output, air intake,See Air Output, Air Intake a short period of and lint filters and Lint Filters, page 14. time. Dirty fuel filter See Fuel Filter, pages 10 and 11. Dirt in nozzle See Nozzle, pages 15 through 17. Dirty photocell lens Clean photocell lens. Bad flame-out control Replace flame-out control. Heater will not Wrong pump pressure See Pump Pressure ignite, but motor runs Adjustment, page 14. for a short period of Carbon deposits on spark See Spark Plug, pages 12 time. plug and/or improper gap and 13. Dirty fuel filter See Fuel Filter, pages 10 and 11. Dirt in nozzle See Nozzle, pages 15 through 17. Water in fuel tank Drain and flush fuel tank with clean kerosene. See Storage, page 8. ! WARNING: High voltage! Electronic ignitor not Ensure electronic ignitor grounded (earthed) mounting is tight. Faulty electronic ignitor Replace electronic ignitor. Motor does not start Flame-out control not reset Reset flame-out control when heater is button, see Figures 6 plugged in, fan through 8, pages 7 and 8. rotates slowly or Binding pump rotor If fan is hard to turn, see does not turn. Pump Rotor, page 18. 9 SERVICE PROCEDURES Upper Shell Removal 1. Remove screws along each side of heater using 5/16" nut-driver. These screws attach upper and lower shells together. 2. Lift upper shell off. 3. Remove fan guard. Fuel Filter (30/70,000 BTU/Hr Models) 1. Remove side cover screws using 5/16" nut-driver. 2. Remove side cover. 3. Pull rubber fuel line off fuel filter neck. 4. Carefully pry bushing and fuel filter out of fuel tank. 5. Wash fuel filter with clean fuel and replace in tank. 6. Attach rubber fuel line to fuel filter neck. 7. Replace side cover. ! W ARNING Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. Upper Upper Shell Fan Guard Shell Fan Guard Figure 9 - Upper Shell Removal, Figure 10 - Upper Shell Removal, 30/70,000 BTU/Hr Models 90,000 BTU/Hr Model Upper Shell Fan Guard Figure 11 - Upper Shell Removal, 150,000 BTU/Hr Model Fuel Filter Side Cover Fuel Line Figure 12 - Fuel Filter Removal, 30/70,000 BTU/Hr Models 10 Fuel Filter (90,000 BTU/Hr Model) 1. Remove side cover screws using 5/16" nut-driver. 2. Remove side cover. 3. Pull upper fuel line off fuel filter neck. 4. Carefully pry bushing, lower fuel line, and fuel filter out of fuel tank. 5. Wash fuel filter with clean fuel and replace in tank. 6. Attach upper fuel line to fuel filter neck. 7. Replace side cover. Fuel Filter (150,000 BTU/Hr Model) 1. Remove upper shell (see page 10). 2. Remove fan (see page 19). 3. Loosen flare nut using 3/4" open-end wrench. Push fuel tube down, away from burner head. Fuel filter is located inside of fuel tube. 4. Lift out fuel filter. 5. Wash fuel filter with clean fuel and replace in fuel tube. 6. Connect fuel tube to burner head. Attach flare nut until nut seats against fuel tube and fitting. Tighten 1/4 turn more u...

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