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Firman T08072 Operator's Manual
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Firman T08072 Operator's Manual

Tri-fuel portable generator
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OPERATOR'S MANUAL
TRI-FUEL PORTABLE GENERATOR
MODEL NUMBER
T08072
Rev Level:00
Record product information to reference when ordering parts or
obtaining warranty coverage.
:
P/N
380745472 Rev:00

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Summary of Contents for Firman T08072

  • Page 1 OPERATOR’S MANUAL TRI-FUEL PORTABLE GENERATOR MODEL NUMBER T08072 Rev Level:00 Record product information to reference when ordering parts or obtaining warranty coverage. 380745472 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 Tri-Fuel and capable of running on gasoline, liquid petroleum gas (LPG), and natural gas (NG). 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

    Handle 4- Choke Lever(behind air filter box) 14- LPG/NG Hose Connector(Inlet) 5- Air Filter 15- LPG/NG Selector Switch 6- 439cc FIRMAN OHV Engine 16- Hose Holder 7- Recoil Starter 17- LPG Hose with Regulator 8- 10.0" Flat Free Wheel 18- Short Power Cord (L14-30P to 4X5-20R)
  • Page 7 FEATURES AND CONTROLS ② ④ ③ ① ⑤ ⑥ ⑦ ⑩ ⑧ ⑨ ⑪ English Customer Service: 1-844-FIRMAN1...
  • Page 8 FEATURES AND CONTROLS ① ② ④ ③ ⑤ English Customer Service: 1-844-FIRMAN1...
  • Page 9 FEATURES AND CONTROLS ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ 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. Main Fuel Selector Switch Engine Switch – Use to select and turn on gasoline (GAS) or LPG/NG fuel source. The GAS valve is closed when the switch is in the OFF or LPG/NG positions. Engine switch is on when the switch is in GAS or LPG/NG positions.

  • 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. (1.5 m) from any structure, trees or vegetation over 12 in.
  • Page 13 2, Oil and Gasoline / LPG/ NG Add Engine Oil We recommend using FIRMAN SAE 10W-30 API SL oil for best performance. Other high-quality detergent oils (API SL 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/ NG Fuel WARNING! Liquid Petroleum gas (LPG) and Natural Gas (NG) are 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 Connect the locally approved flexible fuel supply line (not included) to the LPG/NG connector (inlet) on the control panel and the fuel Source. We recommend you use FIRMAN 25ft (7.62m) Quick Connect Hose Kit (Model 1815) or 10ft (3m) Quick Connect Hose Kit (Model 1805) for Natural Gas (NG) connection (This item is not included).
  • Page 18 OPERATION 4.Turn the main fuel selector switch to “GAS” position. NOTICE When the main fuel selector switch is turned to the GAS 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 19 OPERATION 9. Do not over-choke. As soon as engine starts and warms up, slowly move the choke lever to the RUN position. 10. Allow portable generator to run at no load for a few minutes to stabilize before plugging in any electrical devices.
  • Page 20 OPERATION 5. Turn the LPG/NG selector switch to LPG position. 6. Turn the main fuel selector switch to LPG/NG position. NOTICE When the main fuel selector switch is turned to the LPG/NG 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 21 OPERATION 10.For recoil start only - Move the choke lever to the “RUN” position. 11. For recoil start only - PULL-TO-RUN Pull the starter cord slowly until resistance if felt and pull rapidly to run the portable generator. If the engine fails to start in 1-2 pulls with choke in the RUN position, move choke lever to START position and repeat the PULL-TO-PRIME step (9).
  • Page 22 OPERATION • Exchanging fuel cylinders to allow the first cylinder to warm up, repeating as necessary. • Placing the LPG cylinder at the end of the generator near the handle, where engine fan air flows out from the generator. This air is slightly heated by air flowing over the engine. Do not place the LPG cylinder in the path of the muffler exhaust outlet.
  • Page 23 OPERATION 5. Turn the LPG/NG selector switch to NG position. 6. Turn the main fuel selector switch to LPG/NG position. NOTICE When the main fuel selector switch is turned to the LPG/NG 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 24 OPERATION 10.For recoil start only - Move the choke lever to the “RUN” position. 11. For recoil start only - PULL-TO-RUN Pull the starter cord slowly until resistance if felt and pull rapidly to run the portable generator. If the engine fails to start in 1-2 pulls with choke in the RUN position, move choke lever to START position and repeat the PULL-TO-PRIME step (9).
  • Page 25 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 26 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 27 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 28 OPERATION 2. Turn the main fuel selector switch to OFF (O) position. 3. Fully close the LPG cylinder knob and NG source valve. CLOSE English Customer Service: 1-844-FIRMAN1...

  • Page 29: 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 30 (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 SL oil for best performance. Other high- quality detergent oils (API SL or higher) are acceptable. See Oil and Gasoline / LPG/ NG English...
  • Page 31 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 32 (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 33 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 34 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 35 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 36: Troubleshooting- Specifications

    3. Low oil level. running. generator on level surface. 1. Contact authorized FIRMAN Engine shuts down and 1. CO system fault yellow CO fault light blinking. service facility. For all other issues, contact authorized dealer or FIRMAN customer service. English Customer Service: 1-844-FIRMAN1...
  • Page 37 Troubleshooting – Specifications SPECIFICATIONS Model T08072 Starting Watts 10000(GASOLINE)/9050(LPG)/6900(NG) 8000(GAS OLINE )/7250(LPG)/5500(NG) 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 38 PARTS DIAGRAM AND PART LIST T08072 PARTS DIAGRAM English Customer Service: 1-844-FIRMAN1...
  • Page 39 439cc TRI-FUEL ENGINE PARTS DIAGRAM English Customer Service: 1-844-FIRMAN1...

  • Page 40: Parts Diagrams - Parts Lists - Wiring Diagram

    Parts Diagrams - Parts Lists - Wiring Diagram T08072 Portable Generator Description Qty. Description Qty. NO. Part Number NO. Part Number 380467002 Engine Subassembly 46.2 357713538 Support Leg 357713501 Rubber Cap B 46.3 336713557 Rubber, Support 46.4 357713524 Rubber Cap A 336713561 Flange Bolt M6×25...
  • Page 41 Parts Diagrams - Parts Lists - Wiring Diagram NO. Part Number Description Qty. NO. Part Number Description Qty. 375718302 Flange Bolt M8×12 380713547 Metal Clamp 357713551 Battery Pressing Bracket 380713550 LPG-NG Selector Switch 357713546 Sleeve 380713549 Bolt M5×14 357713553 Battery 336713818 Charger 357713555...
  • Page 42 Parts Diagrams - Parts Lists - Wiring Diagram FIRMAN 439cc Tri-fuel Engine Qty. Qty. NO. Part Number Description NO. Part Number Description 380723518 Crankcase Comp. 380723520 Carburetor 357723501 Bolt,drain 357723554 Gskt., Air Cleaner 357723502 Washer,drain Bolt 375413003 Air Cleaner Case Assy...
  • Page 43 Parts Diagrams - Parts Lists - Wiring Diagram English Customer Service: 1-844-FIRMAN1...

  • Page 44: 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 45 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 46 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 47 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 48 All rights reserved. Any reprinting or unauthorized use without the written permission is expressly prohibited. P/N:380745472 Rev:00...