Wen GN400i Instruction Manual Download

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4000-WATT

INVERTER GENERATOR

Instruction Manual

MODEL GN400i

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

EPA III CERTIFIED

Summary of Contents for GN400i

Page 1: ...uble 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...

Page 2: ...11 Generator Preparation 13 OPERATION MAINTENANCE 16 Starting Your Generator 16 Using Your Generator 18 Shutting Off Your Generator 22 Maintenance 23 Transportation Storage 28 Troubleshooting Guide 29...

Page 3: ...in 13 8 in 18 9 in GENERATOR Engine Type 4 stroke OHV single cylinder with forced air cooling system Engine Displacement 212cc Fuel Tank Capacity 1 85 US gallons 7 L 87 octane minimum Oil Capacity 17...

Page 4: ...______________ Purchased From ________________________________________________ Serial Number _________________________________________________ TO MAXIMIZE THE LIFESPAN OF YOUR GENERATOR We recommend r...

Page 5: ...all users during the entire life of the tool and review it frequently to maximize safety for both yourself and others SAVE THESE SAFETY INSTRUCTIONS SAFETY SYMBOLS The purpose of following safety symb...

Page 6: ...ectly 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 high ly...

Page 8: ...nd power supply cords for damage resulting from vibration 7 Do not touch hot parts This generator produces heat when running Temperatures near exhaust can exceed 150 F 65 C Allow generator to cool dow...

Page 9: ...0mm 1 Funnel 1 PACKING LIST REMOVING THE SHIPPING BRACKET Your generator comes with two shipping brackets that pro tect the generator during delivery These brackets should be removed before using the...

Page 10: ...a Phillips head screwdriver not included CAUTION The carburetor bowl may have gas in it which will leak upon removing the bolt 5 Remove the bolt bolt seal fuel cup fuel cup seal and main jet from the...

Page 11: ...GAUGE Indicates amount of fuel inside the fuel tank E indicates empty F indicates full MUFFLER Dampens the noise level of the generator FUEL VALVE Allows fuel to enter the engine from the fuel tank AI...

Page 12: ...set If the overload light is ON press this button to reset your generator 7 Parallel Connection Connect your generator to another generator with a parallel kit to gain more power 8 AC 120V NEMA 5 20R...

Page 13: ...ches the expected operating temperature For general use above 40 F we recommend using 30W engine oil Fig 4 Fig 5 Lower Fill Line Upper Fill Line CAUTION Keep the generator level Tilting the genera tor...

Page 14: ...e gasoline vapors which can cause severe burns or even death if ignited A nearby open flame can lead to explosion even if not directly in contact with gasoline Do not operate near open flame heat or a...

Page 15: ...bsequent start 1 Before starting the generator check the fuel gauge Fig 7 to see if there is sufficient fuel inside the tank E Empty F Full 2 If the tank is empty add gasoline to the gas tank See abov...

Page 16: ...xhaust Even 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 h...

Page 17: ...d attempts to start the engine please consult the troubleshooting guide before attempting to start the generator If problems persist please call 1 800 232 1195 M F 8 5 CST STARTING THE GENERATOR 1 Tur...

Page 18: ...formation 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 19 Table 2 Estimated Wattages of Common Electrical App...

Page 19: ...indow 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 Electric Drill 60...

Page 20: ...u to connect two WEN generators to increase the total available electrical power The WEN Parallel Connection Kit can be purchased from wenproducts com Follow the instruc tions included with your paral...

Page 21: ...ified 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 create a back feed which may...

Page 22: ...AL 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 electrical...

Page 23: ...ice at 1 800 232 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 s...

Page 24: ...with the WEN 55201 Magnetic Oil Dipstick not included available for purchase at wenproducts com The dipstick s industrial strength magnetic tip will collect metal shavings from your generator s oil t...

Page 25: ...PECTING CLEANING THE AIR FILTER Inspect and clean the air filter every 50 hours of operation refer to page 23 Table 4 Routine maintenance of the air filter helps maintain proper airflow to the carbure...

Page 26: ...hours of operation refer to page 23 Table 4 The spark plug is important for proper engine operation Check the spark plug regularly to maintain proper engine operation A good spark plug should be intac...

Page 27: ...e it near the fuel valve Fig 17 2 Turn the fuel valve to the OFF position 3 Locate the fuel line between the fuel valve and the carbu retor Fig 17 Disconnect the fuel line from the fuel valve See Fig...

Page 28: ...el 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 Fue...

Page 29: ...rator 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...

Page 30: ...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 air filter as ne...

Page 31: ...ack of Oil Output Overload COM11 B COM12 A Oil Sensor Trigger Spark Plug Ignition Coil Flywheel COM11 A COM12 B Engine Switch COM5 B COM4 A COM3 A COM2 A Inverter COM6 B COM4 B COM2 B COM3 B COM5 A CO...

Page 32: ...Oil Seal 1 1 5 56200 1202 Bolt M6x12 2 1 6 GN400i 0106 Lower Shield 1 1 7 56310i 0211 Engine Oil Sensor 1 1 8 56200 0502 Bolt M6x14 2 1 9 56380i 0102 Flat Washer 2 1 10 GN400i 0110 Ignition Coil 1 1...

Page 33: ...n 2 3 9 56310I 0109 Stud 2 3 10 56380I 0309 Stud 2 3 11 56310I 0104 Spark Plug F6RTC NGK BPR6ES 1 3 12 56200 0706 Bolt M6x10 3 3 13 GN400I 0313 Cylinder Body Shroud 1 ASSEMBLY 3 CYLINDER HEAD No Part...

Page 34: ...Spring Seat 2 6 13 56310i 0606 Valve Lock Clamp 4 EXPLODED VIEW PARTS LIST ASSEMBLY 6 VALVE CAMSHAFT No Part No Description Qty 7 1 GN400i 0701 Recoil Starter Assembly 1 7 2 56200 1202 Bolt M6x12 4 7...

Page 35: ...Part No Description Qty 11 1 GN400i 1101 Muffler Assembly 1 N P GN400i 1101 1 Spark Arrestor 1 11 2 GN400i 1102 Outer Muffler Cover 1 11 3 GN400i 1103 Muffler Bracket 1 11 4 GN400i 1104 Bolt M8x16 2 1...

Page 36: ...MBLY 12 FUEL TANK No Part No Description Qty 13 1 GN400i 1301 Engine Frame Assembly 1 13 2 GN400i 1302 Foot 4 13 3 GN400i 1303 Nut M6 4 13 4 GN400i 1304 Bolt M6x35 4 13 5 GN400i 1305 Engine Plate Rear...

Page 37: ...fier Bridge 1 14 9 56380I 1423 Parallel Port Negative 1 14 10 56380I 1424 Parallel Port Positive 1 14 11 GN400I 1411 Reset Button 1 14 12 56380I 1421 NEMA 5 20R Duplex Outlet 1 14 13 GN400I 1413 Groun...

Page 38: ...be sent to WEN before the replace ments can be shipped out Upon the confirmation of a WEN representative your product may qualify for repairs and service work When re turning a product for warranty s...

Page 39: ...39 NOTES...

Page 40: ...THANKS FOR REMEMBERING v 2019 07 10...

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