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P/N:357745482 Rev:05

OWNER’S  MANUAL

Read all safety precautions and instructions carefully 
before operating equipment.
Ensure engine is stopped and level before performing 
any maintenance or service.

IMPORTANT: 

Record product information to reference when ordering parts or 
obtaining warranty coverage.

Serial Number:

DUAL  FUEL  GENERATOR

MODEL

 

NUMBER

H05752

Rev Level:00

DO NOT RETURN TO 
          STORE!

CALL US FIRST!

CUSTOMER HOTLINE

1-844-347-6261

FOR QUESTIONS OR SERVICE 
           INFORMATION

Purchase Date:

Summary of Contents for H05752

Page 1: ... and level before performing any maintenance or service IMPORTANT Record product information to reference when ordering parts or obtaining warranty coverage Serial Number DUAL FUEL GENERATOR MODEL NUMBER H05752 Rev Level 00 DO NOT RETURN TO STORE CALL US FIRST CUSTOMER HOTLINE 1 844 347 6261 FOR QUESTIONS OR SERVICE INFORMATION Purchase Date ...

Page 2: ...erator LPG 20 Connecting Electrical Loads 22 Stopping the Engine 22 Low Oil Shutdown 23 Do Not Overload Generator 24 Introduction Battery Cable Connection Connecting to a Building s Electrical Maintenance And Storage 25 Maintenance Schedule 25 Engine Maintenance 26 Change Engine Oil 26 Air Filter Maintenance 26 Spark Plug Maintenance 27 Cleaning Fuel Strainer 27 27 Generator Maintenance 28 28 Serv...

Page 3: ...rmation The manufacturer cannot possibly anticipate every possible circumstance that might involve a hazard The warnings in this manual and the tags and decals affixed to the unit are therefore not all inclusive If you use a procedure work method or operating technique that the manufacturer does not specifically recommend you must satisfy yourself that it is safe for you and others You must also m...

Page 4: ...SAFETY PRECAUTIONS Page 02 WARNING POISONOUS GAS HAZARD English Customer Service 1 844 FIRMAN1 ...

Page 5: ...ide and downwind far away from windows doors and vents Direct exhaust away from occupied spaces INCORRECT USAGE Do not operate in any of the following locations Near any door window or vent Garage Basement Crawl Space Living Area Attic Entry Way Porch Mudroom English Customer Service 1 844 FIRMAN1 ...

Page 6: ...G OR DRAINING GASOLINE Turn generator engine OFF and let it cool at least 2 minutes before removing fuel cap Loosen cap slowly to relieve pressure in tank Fill or drain fuel tank outdoors DO NOT overfill tank Allow space for fuel expansion If fuel spills wait until it evaporates before starting engine Keep fuel away from sparks open flames pilot lights heat and other ignition sources Check fuel li...

Page 7: ...OT handle generator or electrical cords while standing in water while barefoot or while hands or feet are wet DO NOT allow unqualified persons or children to operate or service generator WARNING Exhaust heat gases could ignite combustibles structures or damage fuel tank causing a fire resulting in death or serious injury and or property damage Contact with muffler area could cause burns resulting ...

Page 8: ...e Gasoline can cause a fire or explosion if ignited Gasoline is a liquid fuel but it s vapors can ignite Gasoline is a skin irritant and needs to be cleaned up immediately if spilled on skin or clothes Gasoline has a distinctive odor this will help detect potential leaks quickly In any gasoline fire flames should not be extinguished unless by doing so the fuel supply valve can be turned OFF This i...

Page 9: ... If the fire is extinguished and a supply of fuel is not turned off an explosion hazard greater than the fire hazard could be created Keep a fire extinguisher near the generator all the time Always keep the LPG cylinder in an upright position Do not subject LPG cylinder to excessive heat Contact with liquid contents of the cylinder will cause freeze burns to the skin An LPG cylinder not connected ...

Page 10: ...the axle pin A through the wheel B 3 Slide the axle pin A through the mount point on the frame and flat washer D 4 Secure the wheel and axle pin with the cotter pin C 5 Repeat steps 2 4 to attach another wheel 3 Tip the generator slowly so that it rests on the wheels and support leg 4 Tighten bolt E and nut F with provide wrenches CAUTION D 2 Attach the support leg G to the generator frame with fl...

Page 11: ... Cable Connection NOTE The generator comes equiped with the positive red cable red cable already attached 1 Verify the positive red cable is securely tightened to the positive terminal 2 Connect the negative black cable to negative terminal on the battery ...

Page 12: ... FIRMAN OHV Engine 7 Recoil Starter 8 10 0 Flat Free Wheel 9 10 11 12 13 Oil Filler Cap LPG Hose Connector Inlet Outlet Cover Control Panel Handle 14 Hose Holder 15 LPG Hose with Regulator English Customer Service 1 844 FIRMAN1 We are always working to improve our products Therefore the enclosed product may differ slightly from the image on this page 2 ...

Page 13: ...SWITCH IS TURNED TO THE OFF POSITION AND THEN TURNED BACK TO THE GAS OR LPG POSITION See Indicator light Battery power Saving Mode section for more information Ground Fault Circuit Interrupter conforms to UL 943 and NEC requirements This device protects you against hazardous electrical shock that may be caused if your body becomes a path through which electricity travels to reach ground This could...

Page 14: ...his should stop the flow of electricity making the lamp shut off The GFCI s indicator light comes off RESET TEST TEST MONTHLY FOLLOW DIRECTIONS RESET BUTTON Receptacle Outlet LED Indicator Light TEST BUTTON Outlet 5 To restore the flow of electricity press the RESET button on the front of the receptacle If the GFCI does not perform in this manner do not use the receptacle Contact a local service d...

Page 15: ...wise Facing P T O Float Brushed Polyurethane Type Yes 7125 GASOLINE 7125 LPG FIRMAN Rated Fequency 60Hz Oil Type See Add Engine Oil Section AN IMPORTANT MESSAGE ABOUT TEMPERATURE When operated above 77 F 25 C there may be a decrease in power Maximum wattage and current are subject to and limited by such factors as fuel BTU content ambient temperature altitude engine condition and etc Maximum power...

Page 16: ...l activate a warning device or stop the engine If generator shuts off and the oil level is within specifications check to see if generator is sitting at an angle that forces oil to shift Place on an even surface to correct this If engine fails to start the oil level may not be sufficient to deactivate low oil level switch Make sure the sump is completely full of oil H DRAIN PLUG L 5 Replace oil fi...

Page 17: ...nd fuel fill cap remove cap 2 Slowly add unleaded fuel to fuel tank Be careful not to fill above the red fuel level indicator This allows adequate space for fuel expansion 3 Install fuel cap and let any spilled fuel evaporate before starting engine or wipe up any spilled gasoline English Customer Service 1 844 FIRMAN1 1 Gasoline CAUTION Slowly add unleaded gasoline to fuel tank Do not overfill tan...

Page 18: ... cylinder so the connection between the valve and the regulator won t cause bends or kinks in the hose Spray a soapy water solution one part liquid detergent and one part water to check all connections for leaks before attempting to use generator Slowly open the cylinder valve A leak exists if bubbles appear or grow larger in size or number This must be corrected before using the generator Contact...

Page 19: ...ratio Other high altitude issues can include hard starting increased fuel consumption and spark plug fouling To alleviate high altitude issues other than the natural power loss FIRMAN can provide a high altitude carburetor main jet The alternative The part number and recommended minimum altitude for the application of the high altitude carburetor main jet is listed in the table below main jet and ...

Page 20: ...pany Use a ground fault circuit interrupter GFCI in any damp or highly conductive area such as metal decking or steel work DO NOT touch bare wires or receptacles 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 handle generator or electrical cords while standing in water while barefoot or while han...

Page 21: ... the weather Keep exhaust pipe clear of foreign objects Keep generator away from open flame Keep generator on a stable and level surface WARNING Surge Protection Voltage fluctuation may impair the proper functioning of sensitive electronic equipment WARNING POISONOUS GAS HAZARD Do not block generator air vents with paper or other material CAUTION Tilting can cause fuel spillage CAUTION English Cus...

Page 22: ...run at no load for few minutes upon each initial start up to permit engine and generator to stablize StartingtheGenerator LPG 1 Before starting the generator check for loose or missing parts and for any damage which may have occurred during shipment 2 Check oil level NOTE When the fuel selector switch is turned to the GAS position the indicator light will become RED up to 4 minutes before goes off...

Page 23: ... on engine to START position NOTE Do not place the LPG cylinder in the path of muffler outlet 9 Move the choke lever to the RUN position 11 Allow generator to run at no load for few minutes upon each initial start up to permit engine and generator to stablize 8 PULL TO PRIME Pull the starter cord 1 2 times Pull slowly until resistance if felt and then pull rapidly 10 PULL TO RUN Pull the starter c...

Page 24: ...pping the Engine 1 Turn off and remove entire electrical loads Never start or stop the generator with electrical devices plugged in or turned on Let the generator run at no load for two minutes to stabilize internal temperatures of the engine and generator When starting engine pull cord slowly until resistance is felt and then pull rapidly to avoid kickback Keep choke lever in START position for o...

Page 25: ...h an electronic module which consumes battery power When the fuel selector switch is turned to the GAS or LPG position the indicator light will become RED up to 4 minutes before goes off Indicator light Battery Power Saving Mode Starting the engine unsuccessfully or not attempting to start the engine at all during these 4 minutes will switch generator to Battery Power Saving Mode in order to conse...

Page 26: ...ional item Observing frost on LPG and regulators is common during operation and normally is not an indication of a problem As LPG vaporizes and travels from the tank to the generator engine it expands The amount of frost that forms can be affected by the size of the cylinder the amount of fuel being used the humidity of the air and other operating conditions In unusual situations this frost may ev...

Page 27: ...chart above Notice Once a year you should clean or replace the spark plug and replace the air filter New spark plugs and clean air filter assure proper fuel air mixture and help your engine run better and last longer ITEM NOTES Daily Before operation Initial 25 hours Every 50 hours Every 100 hours or annual Fittings Fasteners Spark Plug Engine Oil Air Filter Fuel Line Exhaust System Engine Check c...

Page 28: ...to cause skin cancer in certain laboratory animals Thoroughly wash exposed areas with soap and water a Drain oil by removing the drain plug and the oil filler cap while the engine is warm Change engine oil every 100 hours for a new engine change oil after 25 hours DRAIN PLUG Please use a container to dump the used oil for protecting the environment b Reinstall the drain plug and fill the engine wi...

Page 29: ...l tank causing a fire resulting in death or serious injury and or property Contact with muffler area could cause burns resulting in serious injury WARNING A B A Spark plug B Spark plug cap c DO NOT touch hot parts and AVOID hot exhaust gases Allow equipment to cool before touching Keep at least 5 feet 1 5 m of clearance on all sides of generator including overhead Replacement parts must be the sam...

Page 30: ...ter screen Flange Screw Battery Replacement English Customer Service 1 844 FIRMAN1 1 Disconnect the negative black cable to negative terminal on the battery and disconnect the positive red cable to positive terminal on the battery 3 Remove the battery and recycle and dispose of properly 4 Install the new battery with following specification 12V sealed lead acid 2 5AH LXWXH 80X70X105mm 3 15X2 75X4 ...

Page 31: ...til it stops from lack of gasoline This will dry out all remaining gasoline in tank fuel lines and carburetor 5 Turn fuel selector switch to OFF position Fully close the LPG cylinder knob if it is open and disconnect LPG cylinder from the generator 6 Allow the unit to cool entirely before cleaning and storage 7 Change oil with recommended grade oil 8 Remove spark plug and pour about one teaspoon o...

Page 32: ...ttery charging circuit The battery will receive charging voltage when the engine is running The battery will maintain a proper charge if the unit is used on a regular basis about once every two weeks If it is used less frequently the battery should be connected to a trickle charger not included or battery maintainer not included to keep the battery properly charged If the battery voltage is extrem...

Page 33: ...in fuel tank and carburetor fill with fresh gasoline 7 Connect wire to spark plug 8 Replace spark plug 9 Drain gas tank and carburetor fill with fresh gasoline 10 Wait 5 minutes and re crank engine 11 Contact authorized service facility 12 Contact authorized service facility 13 Contact authorized service facility Engine lacks power 1 Load is too high 2 Dirty air filter 1 Don t Overload Generator 2...

Page 34: ...Page 32 PARTS DIAGRAM AND PART LIST H05752 PARTS DIAGRAM English Customer Service 1 844 FIRMAN1 131 132 ...

Page 35: ...Page 33 439cc ENGINE PARTS DIAGRAM English Customer Service 1 844 FIRMAN1 ...

Page 36: ...er Pin 1 1 5 1 1 1 1 1 1 1 1 1 2 1 2 1 1 3 4 8 4 2 2 2 1 1 5 4 1 19 1 2 1 1 1 2 2 2 1 1 1 4 1 1 4 4 4 1 2 1 1 1 1 1 7 1 1 1 1 1 1 1 1 2 2 2 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 NO Part Number Description Qt...

Page 37: ...alve Spring Valve Bolt Rocker Arm Oil Seal Valve Retainer Valve Guide Plate Push Rod Cylinder Head Valve In take Valve Exhaust Push Rod Lifter Valve Locating Pins Gasket cyl head Air Cleaner Holder Nut M6 Air Intake Stud Bolt Gskt Insulator Insulator Carburetor Gskt Carburetor NO Part Number Description Qty 380723515 357723554 357723555 336723555 357723556 357723557 380723516 357723559 357723560 3...

Page 38: ...d by this warranty Normal Wear Your product needs periodic parts and service to perform well This warranty does not cover repair when normal use has exhausted the life of a part or the equipment as a whole English Customer Service 1 844 FIRMAN1 SERVICE INFORMATION CONTACT THE FIRMAN PRODUCT SERVICE DEPARTMENT AT 1 844 347 6261 or at www firmanpowerequipment com to obtain warranty service informati...

Page 39: ...of God and other force majeure events beyond the manufacturer s control problems caused by parts that are not original FIRMAN parts units used for prime power in place of existing utility power where utility is present or in place of utility power where utility power service does not normally exist Contact Information You may contact FIRMAN at Address Firman Power Equipment Inc Attn Customer Servi...

Page 40: ... failure under warranty of any warranted part MANUFACTURER S WARRANTY COVERAGE The exhaust and evaporative emissions control system on your is warranted for two years If any emissions related part on your small off road engine and engine powered equipment is defective the part will be repaired or replaced by FIRMAN small off road engine and engine powered equipment The California Air Resources Boa...

Page 41: ...old Air cleaner 5 Crankcase breather assembly including Breather connection tube 6 Fuel tank evaporative emission control system including Purge valves Carbon canister Vapor hoses and fitting clamps FIRMAN POWER EQUIPMENT INC Email support firmanpowerequipment com www firmanpowerequipment com 8 Throughout the emissions warranty period defined in Subsection b 2 FIRMAN will maintain a supply of warr...

Page 42: ...P N 357745482 Rev 05 Firman Power Equipment Inc Peoria AZ 85381 www firmanpowerequipment com 8716 West Ludlow Dr Suite 6 ...

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