Assessments - 3, GPA: 4
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If heater does not start, press flame-out control reset button (see Figures 5 and 6). TO STOP HEATER 1. Push ON/OFF switch to OFF. TO RESTART HEATER 1. Wait 2 minutes after stopping heater. 2. Repeat steps under To Start Heater. Flame-Out Control Reset Button ON/OFF Switch Figure 5 - Flame-Out Control Reset Button, 35/50/70,000 Btu/Hr Flame-Out Control Reset Button ON/OFF Switch Figure 6 - Flame-Out Control Reset Button, 100/150,000 Btu/Hr 104976 5 PORTABLE FORCED AIR HEATERS STORING, TRANSPORTING, OR SHIPPING PREVENTATIVE MAINTENANCE SCHEDULE Note: If shipping, transport companies re WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. quire fuel tanks to be empty. 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 provided. 3. If any debris is noted in old fuel, add 1 or 2 quarts of clean kerosene to tank, stir, and drain again. This will prevent excess debris from clogging filters during future use. 4. Replace fuel cap or drain plug. Properly dispose of old and dirty fuel. Check with local automotive service stations that recycle oil. 5. If storing, store heater in dry place. Make sure storage place is free of dust and corrosive fumes. IMPORTANT: Do not store kerosene over summer months for use during next heating season. Using old fuel could damage heater. Item How Often How To Fuel tank Flush every 150-200 hours of operation or as needed. SeeStoring, Transporting, or Shipping. Air output and lint filters Replace every 500 hours of operation or once a year. See Air Output, Air Intake, and Lint Filters, page 10. Air intake filter Wash and dry with soap and water every 500 hours of operation or as needed. See Air Output, Air Intake, and Lint Filters, page 10. Fuel filter Clean twice a heating season or as needed. See Fuel Filter, page 8. Spark plug Clean and regap every 600 hours operation or replace as needed. See Spark Plug, page 9. Fan blades Clean every season or as needed. See Fan, page 13. Motor Not required/permanently lubricated 6 104976 OWNER’S MANUAL TROUBLESHOOTING 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 flame-out control shuts 1. Wrong pump pressure 1. See Pump Pressure Adjustment, page 10. off heater after a short period of time. 2. Dirty air output, air intake, and lint filters 2. See Air Output, Air Intake and Lint Filters, page 10. 3. Dirty fuel filter 3. See Fuel Filter, page 8. 4. Dirt in nozzle 4. See Nozzle, page 11. 5. Dirty photocell lens 5. Clean photocell lens. 6. Bad flame-out control 6. Replace flame-out control. Heater will not ignite, but motor runs for a 1. Wrong pump pressure 1. See Pump Pressure Adjustment, page 10. short period of time. 2. Carbon deposits on spark plug and/or 2. See Spark Plug, page 9. improper gap 3. Dirty fuel filter 3. See Fuel Filter, page 8. 4. Dirt in nozzle 4. See Nozzle, page 11. 5. Water in fuel tank 5. Drain and flush fuel tank with clean kerosene. See Storing, Transporting, or Shipping, page 6. WARNING: High voltage! 6. Electronic ignitor not grounded (earthed) 7. Bad electronic ignitor 6. Make sure electronic ignitor mounting is tight. 7. Replace electronic ignitor. Motor does not start when heater is plugged in, fan rotates slowly or does not turn. 1. Flame-out control not reset 2. Binding pump rotor1. Reset flame-out control button, see Figures 5 and 6, page 5. 2. If fan is hard to turn, see Pump Rotor, page 12. 104976 7 8 104976 PORTABLE FORCED AIR HEATERS Figure 9 - Fuel Filter Removal, 35/50/70,000 Btu/Hr Models Upper Shell Removal 1. Remove screws and lock washers along each side of heater using 5/16" nutdriver. These screws attach upper and lower shells together. 2. Lift upper shell off. 3. Remove fan guard. Fuel Filter (35/50/70,000 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. Fuel Filter (100/150,000 Btu/Hr Models) 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. SERVICE PROCEDURES WARNING: Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur. Upper Shell Fan Guard Figure 7 - Upper Shell Removal, 35/50/ 70,000 Btu/Hr Models Figure 8 - Upper Shell ...
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