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6250-WATT

INVERTER 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]

1-800-232-1195 (M-F 8AM-5PM CST)

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

 

WENPRODUCTS.COM

MODEL GN625i

Summary of Contents for GN625i

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: ...acking Packing List 9 Know Your Generator 10 Assembly Adjustments 12 Generator Preparation 14 OPERATION MAINTENANCE 17 Starting the Generator 17 Using the Generator 19 Shutting Off the Generator 23 Ma...

Page 3: ...Wheel Kit 27 in x 25 in x 24 in Product Dimensions Without Wheel Kit 24 in x 20 in x 21 in GENERATOR Engine Type 4 stroke OHV single cylinder with forced air cooling system Engine Displacement 301cc...

Page 4: ...________________________ TO MAXIMIZE THE LIFESPAN OF YOUR GENERATOR We recommend running your generator at least once a month for 20 to 30 minutes Start the generator according to the instructions and...

Page 5: ...shock 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 med...

Page 6: ...ccordance 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 hazardo...

Page 7: ...soline 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 generato...

Page 8: ...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 conductive areas such as m...

Page 9: ...r Do not store generator or gasoline near fur naces water heaters or any other appliances that pro duce heat or have automatic ignitions Store the genera tor and fuel away from sparks open flames pilo...

Page 10: ...the following 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 GENERATO...

Page 11: ...ircuit Breaker Push the button to reset the circuit 5 Data Meter Displays voltage frequency total runtime HHHH and session runtime HH MM Press the MODE but ton to switch between displays 6 Voltage Sel...

Page 12: ...filter Loosen the bolt Fig 2 on the bottom of the carburetor with a Phillips head screwdriver not included CAUTION The carburetor bowl may have gas in it which will leak upon removing the bolt 5 Remo...

Page 13: ...r side of the generator 1 Prepare a set of blocks on level ground a 4 4 block of wood works well Place the generator on the blocks Have someone help you lift the generator 2 Slide one foot into place...

Page 14: ...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 fill threads See Fig 4 4 Reinstall...

Page 15: ...ng operation Do 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...

Page 16: ...ank E Empty F Full 2 If the tank is empty add gasoline to the gas tank See above section To Add Gasoline STEP 3 GROUND THE GENERATOR To reduce the risk of electric shock and to maximize safety the gen...

Page 17: ...if you 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 run...

Page 18: ...ult the troubleshooting guide before attempting to start the generator If prob lems persist please call 1 800 232 1195 M F 8 5 CST 1 Turn the fuel valve Fig 8 1 to the ON position 2 Pull the choke but...

Page 19: ...h device you plan to connect The information should be listed on the device or in its instruction manual or you may refer to Table 2 Estimated Wattages of Common Electrical Appliances The wattage can...

Page 20: ...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 21: ...ing over 3750W PARALLEL OPERATION The parallel connection ports allow you to connect two WEN generators to increase the total available electrical power The WEN Parallel Connection Kit can be purchase...

Page 22: ...nded Device Requirements Max Cord Length ft by Wire Gauge Amps Watts 120V Watts 240V 8 wire 10 wire 12 wire 14 wire 16 wire 2 5 300 600 NR NR NR 375 250 5 600 1200 NR NR 300 200 125 7 5 900 1800 NR 35...

Page 23: ...se MANUAL SHUTOFF 1 Turn off all electrical devices prior to unplugging them from the generator Unplugging running devices can cause damage to the generator Never start or stop the generator with elec...

Page 24: ...2 1195 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 25: ...damp cloth to wipe exterior surfaces Use a soft bristle brush to loosen dirt and oil and use a vacuum to pick up loose dirt Use low pressure air not to exceed 25 PSI to blow away dirt CHECKING ADDING...

Page 26: ...ew INSPECTING CLEANING THE AIR FILTER Inspect and clean the air filter every 50 hours of operation refer to Table 4 Routine maintenance of the air filter helps maintain proper airflow to the carbureto...

Page 27: ...s important for proper engine operation Check the spark plug regularly to maintain proper engine operation A good spark plug should be intact free of deposits and properly gapped 1 Gently pull on the...

Page 28: ...ear the fuel valve Fig 15 2 Turn the fuel valve to the OFF position 3 Locate the fuel line between the fuel valve and the carbu retor Disconnect the fuel line from the fuel valve NOTE A small amount o...

Page 29: ...h fuel Filling the fuel tank full reduces the amount of air in the tank and helps fight deterioration of fuel For Extended Periods Over 60 Days Drain the fuel tank and carburetor Refer to Draining The...

Page 30: ...or 8 Persuade the ghost to leave Engine runs but there is no electrical output 1 Circuit breaker has been tripped due to overload 1 Turn off and unplug electrical device s Wait 5 minutes then press th...

Page 31: ...nning through the fuel valve 1 Check if the fuel is properly and consistently going through the fuel valve 2 The air filter is clogged 2 Check for any blockage in the air filter Check and clean the ai...

Page 32: ...WIRING DIAGRAM 32 Spark Plug V F T Rectifier Voltage Selector Switch Eco Mode...

Page 33: ...N625i 0107 Stud Bolt M6x108 2 1 8 GN625i 0108 Cylinder Head Subassembly 1 1 9 GN625i 0109 Cylinder Head Bolt M10x80 4 1 10 GN625i 0110 Pin 2 1 11 GN625i 0111 Cylinder Head Gasket 1 1 12 GN625i 0112 Br...

Page 34: ...25i 0305 Bearing 6206P53 1 3 6 GN400i 1310 Bolt M8x35 7 ASSEMBLY 3 CRANKCASE COVER No Part No Description Qty 4 1 GN625i 0401 Crankshaft Assembly 1 ASSEMBLY 4 CRANKSHAFT No Part No Description Qty 5 1...

Page 35: ...6 7 GN625i 0607 Valve Lifter 2 6 8 GN625i 0608 Valve Tappet 2 6 9 GN625i 0609 Valve Set Intake Exhaust 1 6 10 GN625i 0610 Seal Guide 2 6 11 GN625i 0611 Valve Spring Retainer 2 6 12 GN625i 0612 Valve...

Page 36: ...rt No Description Qty 9 1 GN625i 0901 Air Filter Gasket 1 9 2 GN625i 0902 Carburetor Assembly 1 9 3 GN625i 0903 Carburetor Gasket 1 9 4 GN625i 0904 Carburetor Insulator Plate 1 9 5 GN625i 0905 Carbure...

Page 37: ...8 GN625i 1108 Rotor 1 11 9 GN625i 1109 Stator 1 11 10 GN625i 1110 Flat Washer 6mm 3 ASSEMBLY 11 FLYWHEEL IMPELLER STARTER PULLEY No Part No Description Qty 12 1 GN625i 1201 Muffler Assembly 1 N P GN6...

Page 38: ...k Cap 1 13 8 GN625i 1308 Fuel Strainer 1 13 9 GN400i 1204 Fuel Gauge Assembly 1 ASSEMBLY 13 FUEL TANK No Part No Description Qty 13 10 GN625i 1310 Fuel Tank Chain Clip 1 13 11 GN400i 1205 Breather Val...

Page 39: ...GN625i 1411 Inverter Support Bracket A 1 14 12 GN625i 1412 Inverter Support Bracket B 1 ASSEMBLY 14 FRAME No Part No Description Qty 14 13 56200 0706 Bolt M6x10 2 14 14 GN400i 1311 Bolt M6x8 1 14 15 G...

Page 40: ...1 GN625i 1521 NEMA L14 30R Outlet Cover 1 15 22 GN625i 1522 AC Breaker 24A 2 15 23 GN400i 1408 Rectifier Bridge 1 15 24 GN625i 1524 NEMA L14 30R Outlet 1 15 25 GN625i 1525 Voltage Selector Switch 1 AS...

Page 41: ...e 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 contai...

Page 42: ...NOTES 42...

Page 43: ...NOTES 43...

Page 44: ...V 2020 07 06 THANKS FOR REMEMBERING...

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