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Firman H07553 Operator's Manual
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Firman H07553 Operator's Manual

Dual fuel portable generator
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OPERATOR'S MANUAL
DUAL FUEL PORTABLE GENERATOR
MODEL NUMBER
H07553
Rev Level:01
Record product information to reference when ordering parts or
obtaining warranty coverage.
:
P/N
375745484 Rev:04

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Summary of Contents for Firman H07553

  • Page 1 OPERATOR’S MANUAL DUAL FUEL PORTABLE GENERATOR MODEL NUMBER H07553 Rev Level:01 Record product information to reference when ordering parts or obtaining warranty coverage. 375745484 Rev:04...

  • 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 Dual Fuel and capable of running on gasoline and liquid petroleum gas (LPG). This generator is not intended to be run unattended or to supply power to 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 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. System Ground The generator has a system ground that connects the generator frame components to the ground terminals on the AC output receptacles.
  • 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 Up to 50A 2.

  • Page 6: Features And Controls

    Control Panel 4- Choke Lever(behind air filter box) Handle 5- Air Filter 14- LPG Hose Connector(Inlet) 6- 439cc FIRMAN OHV Engine 15. Data Decal / Serial Number 7- Recoil Starter 8- 10.0" Flat Free Wheel 9- Oil Filler Cap *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 ④ ② ③ ① ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ English Customer Service: 1-844-FIRMAN1...
  • Page 8 FEATURES AND CONTROLS English Customer Service: 1-844-FIRMAN1...
  • Page 9 FEATURES AND CONTROLS ⑨ ⑩ 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. Fuel Selector Switch – Use to select and turn on gasoline or LPG fuel source. Fuel (gasoline) valve is closed when the switch is on “OFF” or “LPG” positions. Engine switch is on when the switch is on “GAS”...

  • 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. •...
  • 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. (1.5m) from any structure, trees or vegetation over 12 in.
  • Page 13 2, Oil and Gasoline / LPG 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 Connecting LPG Fuel WARNING! Liquid Petroleum gas (LPG) is extremely flammable which could cause burns or fire resulting in death or serious injury. • The fuel supply line must always be shut off when the engine is not running. Failure to shut off fuel may allow fuel to leak at the generator.
  • Page 17 OPERATION Indicator light - Battery Power Saving Mode This generator is equipped with an electronic module which consumes battery power. When the main fuel selector switch is turned to the GAS or LPG position, the indicator light will turn RED for up to 4 minutes (before going off). Starting the engine successfully anytime during the 4 minutes will turn the indicator light GREEN.
  • Page 18 OPERATION 5. Disconnect all electrical loads from the generator. Never start or stop the generator with electrical devices plugged in. 6. Move choke lever located on engine to “START” position. You do not need to choke a warm engine. (For electric start move to step (8)) 7.
  • Page 19 OPERATION 10. Allow portable generator to run at no load for a few minutes to stabilize before plugging in any electrical devices. NOTICE If engine starts but fails to run, or if portable generator shuts down during operation, check oil level. See Low Oil Shutdown section for more information. 4.
  • Page 20 OPERATION 6. Disconnect all electrical loads from the generator. Never start or stop the generator with electrical devices plugged in. 7. Move choke lever located on engine to “START” position. (For electric start move to step (11)) 8. For recoil start only - PULL-TO-PRIME Pull the starter cord 1-2 times. Pull slowly until resistance if felt and then pull rapidly.
  • Page 21 OPERATION 11. For electric start only - Flip the engine switch to the START (ll) position for a few seconds and then release. 3 sec. 12. For electric start only - Move the choke lever to the RUN position. 13. Allow portable generator to run at no load for a few minutes to stabilize before plugging in any electrical devices.
  • Page 22 Push the test button. The reset button will pop out, which should cut power to outlet. Press the reset button until it locks in the depressed position. If the GFCI does not reset as described do not use the receptacles. Call Firman customer service. •...
  • Page 23 OPERATION • • Do not use generator with electrical cords which are worn, frayed, bare or otherwise damaged. Do not operate generator in the rain or wet weather. • • Do not run indoors to avoid wet conditions. Do not handle generator or electrical cords while standing in water, while barefoot, or while hands or feet are wet.
  • Page 24 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.
  • Page 25 OPERATION 2. Turn the main fuel selector switch to OFF (O) position. 3. Fully close the LPG cylinder knob . If a cover is used, do not install until unit has cooled. NOTICE Disconnect the LPG cylinder from the generator during transportation. English Customer Service: 1-844-FIRMAN1...

  • Page 26: Maintenance - Storage

    Maintenance - Storage MAINTENANCE SCHEDULE Every Daily(Before Initial Every Every 100 hours ITEM NOTES 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 27 (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 / LPG English...
  • Page 28 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 29 (d-1) For spark plug FIRMAN P/N 330723001 - Adjust the electrode gap to 0.020 - 0.024 in. ( 0.5 - 0.6 mm). (d-2) For spark plug CHAMPION N9YC - Adjust the electrode gap to 0.028 - 0.031 in. ( 0.7 - 0.8 mm).
  • Page 30 3. Carefully remove the carbon deposits from the spark arrester screen with a wire brush. 3. Replace the spark arrester if it is damaged. If replacement parts are required, make sure to use only FIRMAN original equipment replacement parts. 4. Position the spark arrester in the muffler and attach with the screws.
  • Page 31 Maintenance - Storage Battery Replacement A(M6) 1. Remove the spark plug boot from spark plug. 2. Remove the nut and bolt from the negative(-) post first, then the positive(+) post. 3. Loosen and remove the wing nuts (A) on the battery holding bracket. 4.
  • Page 32 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. Alcohol-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 33: Troubleshooting- Specifications

    3. Low oil level. running. generator on level surface. Engine shuts down and 1. Contact authorized FIRMAN yellow CO fault light 1. CO system fault service facility. blinking. For all other issues, contact authorized dealer or Firman customer service. English Customer Service: 1-844-FIRMAN1...
  • Page 34 Troubleshooting – Specifications SPECIFICATIONS Model H07553 Starting Watts 9400(GASOLINE)/8450(LPG) 7500(GAS OLINE )/6750(LPG) Running Watts* Rated AC Voltage 120/240V Rated Fequency 60Hz Phase Single Voltage Regulator Power Factor Alternator Type Brushed Engine FIRMAN Engine Type Single Cylinder, 4-Stroke OHV Air Cooled...
  • Page 35 PARTS DIAGRAM AND PART LIST H07553 PARTS DIAGRAM English Customer Service: 1-844-FIRMAN1...
  • Page 36 439cc DUAL FUEL ENGINE PARTS DIAGRAM English Customer Service: 1-844-FIRMAN1...

  • Page 37: Parts Diagrams - Parts Lists - Wiring Diagram

    Parts Diagrams - Parts Lists - Wiring Diagram H07553 Portable Generator Qty. Qty. Description Description NO. Part Number NO. Part Number 375718300 Engine Subassembly 46.2 357713538 Support Leg 357713501 Rubber Cap B 46.3 336713557 Rubber, Support 357713524 Rubber Cap A 46.4...
  • Page 38 Parts Diagrams - Parts Lists - Wiring Diagram Qty. Qty. Description Description Part Number NO. Part Number 330713582 357713552 Rubber Pad Screw&washer Assy M4×14 336713827 357713553 Battery Switch 336755004 357713555 Bolt,bend Hook Switch Cover 375728300 Grommet 336755005 Circuit Breaker Cover 336713578 Nut M5 336713828...
  • Page 39 Parts Diagrams - Parts Lists - Wiring Diagram FIRMAN 439cc Dual Fuel Engine Qty. Qty. NO. Part Number Description NO. Part Number Description 336718308 Flg. Bolt M6×8 357723525 Gasket, Cylinder Head Cover 357723577 Grip,starter 357723526 Cover Subassembly, Cylinder Head 336728300...
  • Page 40 Parts Diagrams - Parts Lists - Wiring Diagram Wiring Diagram English Customer Service: 1-844-FIRMAN1...

  • Page 41: 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 42 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 43 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 44 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 45 FIRMAN POWER EQUIPMENT INC. 8716 W. LUDLOW DR. SUITE #6 All rights reserved. Any reprinting or unauthorized use PEORIA, AZ 85381 without the written permission is expressly prohibited. 1-844-347-6261 P/N:375745484 Rev:04 WWW.FIRMANPOWEREQUIPMENT.COM...