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4375-WATT

DUAL FUEL GENERATOR

Instruction Manual

IMPORTANT: 

Your new tool has been engineered and manufactured to WEN’s highest standards for dependability, 

ease of operation, and operator safety. When properly cared for, this product will supply you years of rugged, 

trouble-free performance. Pay close attention to the rules for safe operation, warnings, and cautions. If you use 

your tool properly and for its intended purpose, you will enjoy years of safe, reliable service.

NEED HELP? CONTACT US!

Have product questions? Need technical support? Please feel free to contact us:

[email protected]

1-847-429-9263 (M-F 8AM-5PM CST)

For replacement parts and the most up-to-date instruction manuals, visit

 

WENPRODUCTS.COM

MODEL DF430X

Summary of Contents for DF430X

Page 1: ...trouble free performance Pay close attention to the rules for safe operation warnings and cautions If you use your tool properly and for its intended purpose you will enjoy years of safe reliable serv...

Page 2: ...CE 19 Starting the Generator 19 Using the Generator 21 Shutting Off the Generator 25 Maintenance 26 Transportation Storage 32 Troubleshooting Guide 33 Wiring Diagram 34 Exploded View Parts List 35 War...

Page 3: ...eel Kit 22 3 8 in x 26 3 4 in x 21 5 16 in Product Net Weight With Wheel Kit 106 Pounds 48 kg Engine Type 4 stroke OHV Single Cylinder Engine Displacement 208cc No Load Speed 3750 RPM Fuel Tank Capaci...

Page 4: ...________________ Purchased From _________________________________________________ Serial Number __________________________________________________ TO MAXIMIZE THE LIFESPAN OF YOUR GENERATOR We recomme...

Page 5: ...ock PERSONAL SAFETY 1 Stay alert watch what you are doing and use com mon sense when operating a power tool Do not use a power tool while you are tired or under the influence of drugs alcohol or medic...

Page 6: ...ordance with these instructions taking into ac count the working conditions and the work to be per formed Use of the power tool for operations different from those intended could result in a hazardous...

Page 7: ...line Do not operate near open flame heat or any other ignition source Do not smoke near the generator Always operate on a firm level surface Always turn generator off before refueling Allow generator...

Page 8: ...qualified technician Do not use receptacles or cords that show signs of damage such as broken or cracked insulation 4 Use a ground fault circuit interrupter GFCI in highly conductive areas such as met...

Page 9: ...t least 2 minutes before re moving fuel cap Loosen cap slowly to relieve pressure in tank 10 Turn the engine switch to STOP position when the engine is not running 11 Empty fuel tank before storing or...

Page 10: ...diagrams to become familiarized with all the parts and controls of your Generator The components will be referred to later in the manual for assembly and operation instructions GENERATOR 10 Fuel Cap F...

Page 11: ...ad 4 25A Circuit Breaker Thermal protector that protects the L5 30R receptacle from overload 5 NEMA L5 30R Receptacle 6 Grounding Nut Connection point for grounding the generator to the earth 7 AC 120...

Page 12: ...G PACKING LIST IMPORTANT Two red shipping brackets have been added to the bottom of your generator to protect the genera tor during shipping Please make sure to remove BOTH shipping brackets before op...

Page 13: ...e wheel in place Repeat for the other wheel TO INSTALL THE HANDLES Assemble the handle by connecting the handle grip Fig 1 10 to the bottom of the handle Fig 1 11 and the handle plug Fig 1 12 to the t...

Page 14: ...nel or appropriate dispenser slowly add oil into the oil fill being careful not to overfill the unit Fill the crankcase to the upper fill line so you can visually see the oil coming halfway up the oil...

Page 15: ...not fill to the top of the tank Allow for expansion Always check for spilled fuel before operating If fuel spills move the generator at least 30 feet away from the spill and wipe clean any spilled fue...

Page 16: ...GAS LPG DANGER Explosion and fire LP vapors are extremely flammable and explosive Do not use or store LP cylinder in a building garage or enclosed area Failure to do so will result in death or seriou...

Page 17: ...ght clockwise to tighten the as sembly onto the LPG tank Fig 7 3 Connect the other end of the hose to the generator s onboard regula tor with a 3 4 in 19mm wrench not supplied Fig 8 4 Turn the LPG tan...

Page 18: ...n performance even with the proper altitude kit Operating this generator without said kit may increase the engine s emissions and decrease both fuel economy and performance NOTE If you plan to only us...

Page 19: ...use a generator correctly CO may leak into the home ALWAYS use a battery powered or battery backup CO alarm in the home If you start to feel sick dizzy or weak after the generator has been running mo...

Page 20: ...ct any electrical devices This allows the generator to stabilize its speed and temperature Follow the instructions in the next section for properly con necting your electrical devices NOTE In case you...

Page 21: ...e s you plan to connect The total running wattage This wattage should NOT exceed the running wattage of 3500W 3150W It is recommended to maintain a load at or be low 3150W 2835W 90 of the rated output...

Page 22: ...00 1800 Saw Miter 1200 1200 Microwave 1000 0 Well Water Pump 1000 1000 Sump Pump 800 1200 Refrigerator Freezer 800 1200 Furnace Blower 800 1300 Computer 800 0 Electric Drill 600 900 Television 500 0 D...

Page 23: ...t your generator If the circuit breaker does not reset wait several minutes and try again If no power is produced after resetting restart your generator SOME NOTES ABOUT POWER CORDS Long or thin exten...

Page 24: ...et to fresh air immediately and seek the attention of a qualified medical professional Follow all other directions in this manual regarding the connection and disconnection of electrical devices when...

Page 25: ...the generator with electrical devices plugged in or turned on 2 Let engine run at no load for several minutes to stabilize internal temperatures of engine and generator CAUTION Allowing gasoline to s...

Page 26: ...9 9263 M F 8 5 CST or email techsupport wenproducts com IMPORTANT GENERATOR MAINTENANCE TIPS Drain your carburetor after each use and before storage to prevent it from clogging Do not store the genera...

Page 27: ...ld up and blockages caused by stagnant fuel inside of the carburetor 1 Prepare an approved gasoline storage container under the carburetor to collect the drained fuel 2 The carburetor can be accessed...

Page 28: ...until the oil mark reaches the top of the dipstick you can see oil coming up the threads of the oil fill Do not over fill 5 Reinstall dipstick and wipe clean any spilled oil with a rag Reinstall the o...

Page 29: ...operly If the air filter element has been damaged replace it with a new one Replacement air filters can be ordered from wenproducts com by searching part no 56500 134 4 Reinstall the air filter elemen...

Page 30: ...brush to clean any dirt from around the spark plug base then re gap the spark plug 5 Measure the plug gap with a spark plug gap gauge The gap should be 0 6 to 0 8 mm 0 024 0 031 in Fig 20 Carefully ad...

Page 31: ...t the other end of the funnel over the prepared container Turn the fuel valve to ON to start draining the fuel from the fuel valve opening 5 Once the fuel is drained shut OFF the fuel valve 6 Start an...

Page 32: ...your preferred stabilizer Run the engine for 15 to 20 minutes allowing the fuel stabilizer to mix with the gasoline and circulate through the carburetor and then top off with fuel Filling the fuel ta...

Page 33: ...is dam aged Replace damaged cords immediately Bad electrical device connected to the generator Try connecting a different device Voltage regulator is bad Check voltage regulator with a multimeter rep...

Page 34: ...WIRING DIAGRAM 34...

Page 35: ...EXPLODED VIEW PARTS LIST GENERATOR 35...

Page 36: ...30 Voltage Regulator 1 30 DF430X 030 Brush 1 31 56500 032 Washer 5 1 32 56500 033 Washer 5 1 33 DF430X 033 Bolt M6x165 4 No Part No Description Qty 34 DF430X 034 Rear Bracket 1 35 56500 036 Nut M8 8 3...

Page 37: ...2 66 DF430X 066 Across Bar 1 67 DF430X 067 Natural Gas Pipe 1 68 DF430X 068 Oil Switch Knob 1 69 DF430X 069 Muffler Support 1 No Part No Description Qty 70 DF430X 070 Bolt M4x12 3 71 DF430X 071 Bolt M...

Page 38: ...EXPLODED VIEW PARTS LIST ENGINE 38...

Page 39: ...Assembly 1 27 56500 133 Air Filter Baffle 1 28 56500 134 Air Filter Element 1 29 DF430X 096 Air Filter Cover 1 30 56500 136 Bolt 1 No Part No Description Qty 31 GN9500 140 Nut M6 2 32 DF430X 097 Gask...

Page 40: ...ing Fan 1 76 DF430X 129 Starter Cup 1 77 56500 188 Nut M14x1 5 1 78 DF430X 130 Recoil Starter 1 79 DF430X 131 Blower Housing 1 No Part No Description Qty 80 DF430X 132 Recoil Starter 1 81 56500 192 Wa...

Page 41: ...Meter 1 2 GN9500X 302 CO Sensor LED 1 3 56500 208 AC Breaker 20A 1 4 56500 205 AC 120V NEMA 5 20R Duplex Outlet 1 No Part No Description Qty 5 56500 206 AC 120V NEMA TT 30R RV Outlet 1 6 GN9500 312 G...

Page 42: ...o be sent to WEN before the replacements can be shipped out turning a product for warranty service the shipping charges must be prepaid by the purchaser The product must be shipped in its original con...

Page 43: ...NOTES 43...

Page 44: ...V 2022 09 27 THANKS FOR REMEMBERING...

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