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Firman P03503 Operator's Manual
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Firman P03503 Operator's Manual

Gasoline portable generator
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OPERATOR'S MANUAL
GASOLINE PORTABLE GENERATOR
MODEL NUMBER
P03503
Rev Level:00
Record product information to reference when ordering parts or
obtaining warranty coverage.
P/N:335745501 Rev:00

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Summary of Contents for Firman P03503

  • Page 1 OPERATOR’S MANUAL GASOLINE PORTABLE GENERATOR MODEL NUMBER P03503 Rev Level:00 Record product information to reference when ordering parts or obtaining warranty coverage. P/N:335745501 Rev:00...

  • Page 2: Table Of Contents

    Register your FIRMAN generator online at www.firmanpowerequipment.com INTRODUCTION Thank you for purchasing a FIRMAN generator. You have selected a high-quality, precision engineered generator set designed and tested to give you years of satisfactory service. This generator is designed to run only on unleaded gasoline. This generator is not intended to be run unattended or to supply power for life safety support.

  • Page 3: Introduction

    INTRODUCTION SIGNAL WORDS DANGER WARNING CAUTION NOTICE Indicates a hazard Indicates a hazard Indicates information Indicates a hazard which, if not avoided, considered Important, which, if not avoided, which, if not avoided, could result in minor or but not hazard-related. will result in death or could result in death moderate injury.
  • Page 4 For more information go to www.P65Warnings.ca.gov. This outdoor generator can be used to power outdoor items using extension cords . NOTICE If you have questions about intended use, contact FIRMAN customer service. This portable generator is designed to be used only with FIRMAN authorized parts.
  • Page 5 INTRODUCTION 1. Only use grounded cords marked for outdoor use rated for your loads. To provide power using extension cords Minimum Gauge, Outdoor Rated Total Amperage Up to 50 FT (15m) Up to 13A Up to 15A Up to 20A Up to 30A 2.

  • Page 6: Features And Controls

    5- Fuel Valve 13- Control Panel 6- Air Filter 14- Handle 7- 208cc FIRMAN OHV Engine 15- Data Decal / Serial Number 8- Recoil Starter *We are always working to improve our products. Therefore, the enclosed product may differ slightly from the image on this page.
  • Page 7 FEATURES AND CONTROLS English Customer Service: 1-844-FIRMAN1...
  • Page 8 FEATURES AND CONTROLS English Customer Service: 1-844-FIRMAN1...
  • Page 9 FEATURES AND CONTROLS English Customer Service: 1-844-FIRMAN1...
  • Page 10 FEATURES AND CONTROLS Control Panel NOTICE Total power drawn from all receptacles must not exceed the data decal rating. 1. Engine Switch – Engine Switch – Flip the switch to the “ON”(l) position and pull the recoil starter to start the generator.

  • Page 11: Operation

    OPERATION 1. Location DANGER! Engine exhaust contains carbon monoxide, a poisonous gas that could kill you in minutes. You CANNOT smell it, see it, or taste it. Even if you do not smell exhaust fumes, you could still be exposed to carbon monoxide gas. Operate portable generator only outdoors, at least 20 ft.(6 m) from occupied spaces with exhaust pointed away to reduce the risk of carbon monoxide accumulating.
  • Page 12 OPERATION Reduce Risk of Fire WARNING! Exhaust heat/gases could ignite combustibles, structures or damage fuel tank causing a fire, resulting in death or serious injury. Keep portable generator at least 5 ft. (1.5 m) from any structure, trees or vegetation over 12 in.
  • Page 13 2. Oil and Gasoline Add Engine Oil We recommend using FIRMAN SAE 10W-30 API SJ oil for best performance. Other high-quality detergent oils (API SJ or higher) are acceptable. Do not use special additives. Ambient temperature determines the proper oil viscosity for the engine. Use the chart to select the proper oil for the outdoor temperature range expected.
  • Page 14 Make sure the sump is completely full of oil to the upper limit (H). Do not operate engine until oil level issue is corrected. Contact Firman customer service. Add Gasoline WARNING! Fuel and its vapors are extremely flammable which could cause burns or fire resulting in death or serious injury.
  • Page 15 High altitude may cause hard starting, increased fuel consumption and sparkplug fouling. To operate at high altitudes FIRMAN can provide a high altitude carburetor main jet. The alternative main jet and installation instructions can be obtained by contacting Customer Support.
  • Page 16 OPERATION 3. Starting the Generator 1. Before starting the generator, check for loose or missing parts and for any damage which may have occurred during shipment. Ensure spark plugs, muffler, fuel cap, and air cleaner are all in place. 2. Move portable generator outdoors to safe operating location at least 20 feet from any occupied spaces.
  • Page 17 OPERATION 7. Pull the starter cord slowly until resistance is felt and then pull rapidly. 8. Do not over-choke. As soon as engine starts and warms up, move the choke lever to the “RUN” position. 9. Allow portable generator to run at no load for a few minutes to stabilize before plugging in any electrical devices.
  • Page 18 OPERATION 4. Connecting Electrical Loads This portable generator has been pretested and adjusted to handle its full capacity. The voltage is regulated using an automatic voltage regulator (AVR) . Readjusting the AVR will void warranty. WARNING! Generator voltage could cause electrical shock or burn resulting in death or serious injury.
  • Page 19 Call emergency services. You may have carbon monoxide poisoning. CO Alert fault occured*. Yellow See FIRMAN authorized service dealer. *Yellow light will blink for five seconds at the startup of generator to show CO ALERT is functioning properly. 5. Stopping the generator 1.
  • Page 20 OPERATION 2. Flip the engine switch to“OFF”(O) position. Do not leave the generator until it has completely stopped. 3. Turn the fuel valve to the “OFF”(O) position. If a cover is used, do not install until unit has cooled. English Customer Service: 1-844-FIRMAN1...

  • Page 21: Maintenance - Storage

    Maintenance - Storage MAINTENANCE SCHEDULE Every Daily(Before Initial Every Every ITEM NOTES 100 hours operation) 25 hours 50 hours 250 hours (or annual) Check condition. Adjust gap √ Spark Plug and clean. Replace if necessary. Check oil level. √ Engine Oil Replace.
  • Page 22 (b) Reinstall the drain plug and fill the engine with oil until it reaches the HIGH(H) level on the oil filler dipstick. DRAIN PLUG NOTICE We recommend using FIRMAN SAE 10W-30 API SJ oil for best performance. Other high- quality detergent oils (API SJ or higher) are acceptable. See Oil and Gasoline English...
  • Page 23 Maintenance - Storage Air Filter Maintenance (a) Carefully remove foam air filter element and wash it with liquid detergent and water only. Squeeze dry in a clean cloth. (b) Saturate foam air filter element with clean engine oil and squeeze in a clean cloth to remove excess oil.
  • Page 24 Maintenance - Storage A- Spark plug B- Spark plug boot ( c) Inspect spark plug for damage and clean with a wire brush before reinstalling. Replace if damaged. (d) Adjust the electrode gap to 0.028 - 0.031 in. (0.7 - 0.8 mm). (e) Seat spark plug in position and thread by hand to prevent cross threading.
  • Page 25 3. Carefully remove the carbon deposits from the spark arrester screen with a wire brush. 4. Replace the spark arrester if it is damaged. If replacement parts are required, make sure to use only FIRMAN original equipment replacement parts. 5. Position the spark arrester in the muffler and attach with the screws.
  • Page 26 Maintenance - Storage Long Term Storage It is important to prevent gum deposits from forming in essential fuel system components such as the carburetor, fuel hoses or tank during storage. Ethanol-blended fuels (called gasohol, ethanol or methanol) attract moisture, which leads to separation and formation of acids during storage. Acidic gas can damage the fuel system of an engine while in storage.

  • Page 27: Troubleshooting- Specifications

    3. Low oil level. running. generator on level surface. Engine shuts down and 1. CO system fault 1. Contact authorized FIRMAN yellow CO fault light service facility. blinking. For all other issues, contact authorized dealer or Firman customer service. English Customer Service: 1-844-FIRMAN1...
  • Page 28 Troubleshooting – Specifications SPECIFICATIONS Model P03503 Starting Watts 4450 3550 Running Watts* Rated AC Voltage 120V Rated Fequency 60Hz Phase Single Voltage Regulator Power Factor Alternator Type Brushed Engine FIRMAN Engine Type Single Cylinder, 4-Stroke OHV Air Cooled Displacement 208cc...
  • Page 29 PARTS DIAGRAM AND PART LIST P03503 PARTS DIAGRAM English Customer Service: 1-844-FIRMAN1...
  • Page 30 208cc ENGINE PARTS DIAGRAM English Customer Service: 1-844-FIRMAN1...

  • Page 31: Parts Diagrams - Parts Lists - Wiring Diagram

    Parts Diagrams - Parts Lists - Wiring Diagram P03503 Portable Generator NO. Part Number Description Qty. NO. Part Number Description Qty. 336465000 208cc Firman Engine 336713545 Fuel Gauge Assy. 336465000 Rubber Cap 2 336713547 Fuel Gauge Display 336465000 Rubber Cap 1 336713546 Screw M5×10...
  • Page 32 Parts Diagrams - Parts Lists - Wiring Diagram FIRMAN 208cc Engine NO. Part Number Description Qty. NO. Part Number Description Qty. Flange Bolt M6×15 336723504 Gear Assy, Governor 336718329 Grip, Starter 336723544 Tappet, Valve 357723577 Handle Croe 336723543 Push Rod...
  • Page 33 Parts Diagrams - Parts Lists - Wiring Diagram Wiring Diagram English Customer Service: 1-844-FIRMAN1...

  • Page 34: Service - Warranty

    FIRMAN GENERATOR will register the warranty upon receipt of your Warranty Registration Card and a copy of your sales receipt from one of FIRMAN’s retail locations as proof of purchase. Please submit your warranty registration and your proof of purchase within ten(10) days of the date of purchase.
  • Page 35 Limits of Implied Warranty and Consequential Damage FIRMAN disclaims any obligation to cover any loss of time, use of this product, freight, or any incidental or consequential claim by anyone from using this product. THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF MERCHANT ABLILITY OR FITNESS FOR A PARTICULAR PURPOSE.
  • Page 36 If any such part fails during the period of warranty coverage, the part will be repaired or replaced by FIRMAN at no charge to the owner. Any such part repaired or replaced under the warranty will be warranted for the remaining warranty period.
  • Page 37 Service – Warranty (8) Throughout the emissions warranty period defined in Subsection (b)(2), FIRMAN will maintain a supply of warranted parts sufficient to meet the expected demand for such parts. (9) Any replacement part may be used in the performance of any warranty maintenance or repairs and must be provided without charge to the owner.
  • Page 38 FIRMAN POWER EQUIPMENT INC. 8644 W. Ludlow Dr. Peoria, AZ 85381 All rights reserved. Any reprinting or unauthorized use without the written permission is expressly prohibited. 1-844-347-6261 P/N:335745501 Rev:00 www.firmanpowerequipment.com...