Wen DF451i, Instruction Manual

Page 1: ...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 Nee...

Page 2: ...20 Starting Your Generator 20 Using Your Generator 23 Shutting Off Your Generator 29 Maintenance 31 Transportation Storage 39 Troubleshooting Guide 40 Wiring Diagram 41 Exploded View Parts List 42 War...

Page 3: ...dth 18 in 456 mm Height 20 1 in 511 mm Product Net Weight 100 0 lbs 45 5 kg GENERATOR ENGINE Engine Type 4 Stroke OHV Single Cylinder with Forced Air Cooling System Engine Displacement 212cc Engine Sp...

Page 4: ...______ Purchased From ________________________________________________ Serial Number _________________________________________________ TO MAXIMIZE THE LIFESPAN OF YOUR GENERATOR We recommend running y...

Page 5: ...mbols is to attract your attention to possible dangers The safety symbols and their explanations deserve your careful attention and understanding The safety warnings do not by themselves eliminate any...

Page 6: ...rectly in contact with gasoline 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...

Page 7: ...ould only be performed by a 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...

Page 8: ...the generator that be come hot during use 8 Turn off all connected electrical devices before stop ping the generator 9 Always turn generator off before refueling Allow generator to cool for at least 2...

Page 9: ...cessories Do not discard the packaging until everything is removed Check the packing list below to make sure you have all of the parts and accessories If any part is missing or broken please contact c...

Page 10: ...all the parts and controls of your Generator The components will be referred to later in the manual for assembly and operation instructions GENERATOR Fuel Cap Carrying Handle Control Panel Battery Acc...

Page 11: ...two WEN inverter generators through a parallel connection kit for a higher output 5 DC 5V USB Outlet 6 DC 12V Cigarette Lighter Style Receptacle 7 LPG Inlet 11 2 3 5 11 8 Grounding Nut Ground generat...

Page 12: ...could lead to engine damage To remove the mounting plates 1 With the help of another person place generator on an elevated platform such as table or workbench Make sure the generator is stable Do not...

Page 13: ...e of oil that matches the expected operating temperature F C 20 0 20 32 40 60 80 100 40 20 0 20 10 10 30 30 To add oil follow these steps 1 Place the generator on a level surface Make sure the en gine...

Page 14: ...tick or when you can see the oil coming halfway up the oil fill threads 4 Wipe clean any oil leaks and firmly tighten the dipstick Reinstall the oil access cover OIL LEVEL SHUTDOWN To protect the unit...

Page 15: ...e rating The genera tor performs best with ethanol free gasoline DO NOT use gasoline with over 10 ethanol The capacity of the fuel tank is 2 2 US gallons 8 50 L Do not mix oil with gasoline To add gas...

Page 16: ...f bubbles appear become larger in size or increase in number a leak exists This MUST be corrected before using generator Contact WEN customer service at 1 800 232 1195 M F 8 5 CST or email techsupport...

Page 17: ...ls to just 80 of its capacity when new Weakened cells in an aged battery are no longer capable of meet ing the high power requirements needed for the proper operation of your generator and therefore p...

Page 18: ...rator s positive terminal has already been connected Double check that the positive terminal s connection is secure 4 Slide the battery back into the generator Pull downwards on the rub ber belt Fig 1...

Page 19: ...Operating this generator without said kit may increase the engine s emissions and decrease both fuel economy and performance You can order the kit at wenproducts com by searching part DF400i HA There...

Page 20: ...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 21: ...output indicator light green will light up 6 Allow the generator to run for several minutes before attempting to connect any electrical devices This allows the generator to stabilize its speed and te...

Page 22: ...f the generator s rated wattage if possible If your generator is equipped with an Eco mode switch only applicable for certain inverter generators engage Eco mode periodically during the first 8 hours...

Page 23: ...Wattage Calculation Find the wattage information of each device you plan to connect The information should be listed on the device or in its instruction manual or you may refer to page 24 Table 2 The...

Page 24: ...HP 1500 3000 Window Air Conditioner 1200 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 El...

Page 25: ...vices are turned off Start plugging in each electric device from the highest wattage to the lowest Check the power indicator light green to ensure the generator is producing power 3 Do not overload th...

Page 26: ...TRICAL SYSTEM without a qualified electrician and connected to a transfer switch as a separately derived system Such connections must comply with local electrical laws and codes Failure to comply can...

Page 27: ...your generator When you ve overloaded the generator the overload light will stay on and the reset button Fig 24 will activate to cut off the output in 3 to 16 seconds depending on the load Reduce the...

Page 28: ...SSION DOES THE METER RESET COMMENTS 1 1 hr 30 min 1 5 Yes to 0 0 Meter will show 1 5 just before it is shut off but it has not been run for 2 hours at a time yet 2 30 min 0 5 Yes to 0 0 Meter will sho...

Page 29: ...car buretor from being clogged by stale fuel extending your genera tor s lifespan 5 Turn the engine switch to the OFF 0 position Fig 27 OPTION 1B AUTOMATIC FUEL SHUTOFF RECOMMENDED LPG ONLY Although L...

Page 30: ...engine with elec trical devices connected and running OPTION 2 MANUAL SHUTOFF In case you are in a hurry and do not want to wait for the generator to automatically shut down the manual shutoff featur...

Page 31: ...tions or operating under heavy load Change the oil after the first 8 hours of operation after the first 25 hours of operation and every 50 hours after that IMPORTANT GENERATOR MAINTENANCE TIPS Drain y...

Page 32: ...shut down to protect it from running without oil To check the oil level and add oil 1 Make sure the generator is on a level surface Do not tilt the generator as oil will flow into engine areas and cau...

Page 33: ...3 Using a Phillips head screwdriver unscrew the top two screws and remove the service panel on the opposite side of the recoil starter 4 The carburetor Fig 30 1 can be ac cessed between the engine and...

Page 34: ...s can be ordered from wenproducts com by searching part no 56380i 1001B 1 4 Reinstall the air filter element air filter cover and service panel WARNING Running the engine with a dirty damaged or missi...

Page 35: ...plug 4 Visually inspect the spark plug If it is cracked or chipped or if the electrodes are worn or burned discard it and replace with a new spark plug We recommend replacing with a NGK BPR6ES Torch F...

Page 36: ...o the unlocked position and remove the cover from the side panel 3 Prepare an approved oil storage container and place it be low the oil drainage valve Fig 36 to catch oil as it drains 4 Open the oil...

Page 37: ...en up the fuel valve 5 Open up the carburetor drain screw Fig 37 with a Phillips screwdriver Fuel will start draining from the carburetor and fuel tank through the drain tube NOTE The draining process...

Page 38: ...negative black battery cable disconnected and covered with an insulator such as electrical tape and then connecting the battery This will allow the inside of the generator to warm up and will greatly...

Page 39: ...oper power output PRODUCT DISPOSAL Do not dispose of a used generator or parts with your household waste This product contains electrical or elec tronic components that should be recycled Please take...

Page 40: ...f and unplug all electrical devices Press reset button Check the total wattage of the devices and reduce the load if it exceeds the capacity of the generator for your particular fuel LPG or gasoline 2...

Page 41: ...WIRING DIAGRAM 41...

Page 42: ...10i 0307 Bolt M8x32 6 EXPLODED VIEW PARTS LIST No Part No Description Qty 1 12 56310i 0306 Oil Seal 1 1 13 56380i 0113 Starter Motor 1 1 14 56380i 0114 Bolt M6x28 2 1 15 56380i 0115 Protective Cover 1...

Page 43: ...56380i 0306 Breather Tube 1 3 7 56380i 0307 Cylinder Head Subas sembly 1 No Part No Description Qty 3 8 56310i 0109 Bolt M8x34 2 3 9 56380i 0309 Stud Bolt M6x105 2 3 10 56380i 0310 Gasket Cylinder Hea...

Page 44: ...e Tappet 2 6 8 56380i 0608 Valve Lifter Subassembly 2 6 9 56380i 0609 Valve Rocker Arm 2 6 10 56380i 0610 Rocker Shaft 2 6 9 56380i 0609 Valve Rocker Arm 2 6 10 56380i 0610 Rocker Shaft 2 No Part No D...

Page 45: ...Clamp 1 8 12 DF400i 0812 Rubber Jacket 1 No Part No Description Qty 10 1 56310i 1101 Flywheel Nut M14 1 5 1 10 2 56380i 0902 Impeller 1 10 3 56310i 1103 Bolt M6x60 3 10 4 56380i 0904 Rotor 1 10 5 563...

Page 46: ...1105 Muffler Insulation Plate 1 11 6 56380i 1106 Muffler Assembly 1 11 7 56310i 1010 Gasket Muffler 2 11 8 56380i 1108 Nut M8 1 11 9 56310i 1009 Bolt M8x16 5 11 11 56310i 1004 Bolt M8x20 1 11 12 56380...

Page 47: ...olt M6x20 4 12 5 56380i 1205 Flat Washer 4 12 6 56380i 1206 Bushing 4 12 7 56380i 1207 Fuel Tank Damper 4 12 8 56380i 1208 Fuel Tank Cap 1 12 9 56380i 1209 Fuel Strainer 1 12 10 56380i 1210 Fuel Tank...

Page 48: ...nting Bracket 1 13 15 DF400i 1315 Carbon Tank 1 Fig No Part No Description Qty 13 16 56380i 1316 Carbon Tank Hose Primary 1 13 17 56380i 1317B Air Filter Hose 1 13 18 56380i 1318 Carbon Tank Hose Seco...

Page 49: ...crew ST4 2x16 3 14 17 56380i 1402 Switch Subassembly 1 14 18 56200 0621B Cover Plate 1 No Part No Description Qty 14 19 56200 0624B Adjustment Spring 1 14 20 56200 0623 Steel Ball 1 14 21 56200 0502 B...

Page 50: ...Seat 1 15 7 56380i 1507 Right Handle Connector Seat 1 15 8 56380i 0313 Bolt M6x12 2 No Part No Description Qty 15 9 56380i 1509 Bolt M6x10 4 15 10 56310i 1201 Bolt M6x16 4 15 11 56310i 1807 Nylon Nut...

Page 51: ...Rubber Sleeve 4 16 9 56200 1202 Bolt M6x12 8 16 10 56380i 1610 Recoil Starter Guide Subassembly 1 No Part No Description Qty 16 11 56200 0302 Screw M5x12 2 16 12 56200 0420 Recoil Starter Handle 1 16...

Page 52: ...er Plug 1 17 8 56380i 1619 Nut M5 4 17 9 56380i 1709 Cushion 1 17 10 56380I 1710 Left Support 1 17 11 56380I 1711 Right Support 1 17 12 56310i 1409 Left Engine Frame Damper 2 17 13 56310i 1411 Right E...

Page 53: ...required part numbers and proof of purchase Damaged or defective parts and products may need to be sent to WEN before the replacements can be shipped out Upon the confirmation of a WEN representative...

Page 54: ...54 NOTES...

Page 55: ...55 NOTES...

Page 56: ...V 2022 07 14 THANKS FOR REMEMBERING...