Wen TF1450X Instruction Manual
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Wen TF1450X Instruction Manual

Wen TF1450X Instruction Manual

14500-watt tri fuel generator
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MODEL TF1450X
14500-WATT
TRI FUEL GENERATOR
Instruction Manual
NEED HELP? CONTACT US!
Have product questions? Need technical support? Please feel free to contact us:
1-847-429-9263 (M-F 8AM-5PM CST)
TECHSUPPORT@WENPRODUCTS.COM
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.
WENPRODUCTS.COM
For replacement parts and the most up-to-date instruction manuals, visit

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  • Page 1 1-847-429-9263 (M-F 8AM-5PM CST) TECHSUPPORT@WENPRODUCTS.COM 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.

  • Page 2: Table Of Contents

    Extra-Large Magnetic Oil Dipstick (Model GNA273) Universal Weatherproof Generator Cover (Model 56413) Extension Cords & Outlet Adapters (Models PC2514, PC3025, PC3040, PC1550, PC1405, PC1430, GNA430, and GNA650) 25-Foot 1/2-inch NG Hose with Quick-Connector (part no. TF1450X-1431) 12V Deluxe Battery Maintainer and Float Charger (Model GNA12C)

  • Page 3: Welcome

    SPECIFICATIONS GENERATOR Model Number TF1450X Gasoline: 14500W Surge (Starting) Wattage Propane: 12500W Natural Gas: 10500W Gasoline: 11500W Rated (Running) Wattage Propane: 10300W Natural Gas: 8750W AC: 120V / 240V Rated Voltage DC: 12V AC: 47.9A (Gas), 42.9A (LPG), 36.4A (NG) Rated Amperage DC: 8.3A...

  • Page 4: Service Record

    INTRODUCTION Thanks for purchasing the WEN 14500-Watt Tri Fuel Generator. Refer to the illustration below for the location of the serial number on the specifications label. Record the generator information in the spaces provided below. If as- sistance for information or service is required, please contact customer service by calling 1-847-429-9263, M-F 8-5 CST;...

  • Page 5: Safety

    GENERAL SAFETY RULES WARNING! Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury. Safety is a combination of common sense, staying alert and knowing how your item works. The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.

  • Page 6: California Proposition 65 Warning

    GENERAL SAFETY RULES WARNING! Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury. Safety is a combination of common sense, staying alert and knowing how your item works. The term “power tool” in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.

  • Page 7: Generator Safety Warnings

    GENERATOR SAFETY WARNINGS DANGER! CARBON MONOXIDE Using a generator indoors CAN KILL YOU IN MINUTES. Generator exhaust contains carbon monoxide (CO). This is a poison gas you cannot see or smell. If you can smell the generator exhaust, you are breathing CO. But even if you cannot smell the exhaust, you could be breathing CO.

  • Page 8: Operating Environment

    GENERATOR SAFETY WARNINGS WARNING! Do not let comfort or familiarity with the product replace strict adherence to product safety rules. Failure to follow the safety instructions may result in serious personal injury. BUTTON OR COIN CELL BATTERY SAFETY OPERATING ENVIRONMENT INFORMATION 1.

  • Page 9: Generator Operation

    GENERATOR SAFETY WARNINGS WARNING! Do not let comfort or familiarity with the product replace strict adherence to product safety rules. Failure to follow the safety instructions may result in serious personal injury. TO MAXIMIZE THE LIFESPAN OF YOUR GENERATOR: We recommend running your generator at least once a month for 20 to 30 minutes.

  • Page 10: Before Operating

    KNOW YOUR GENERATOR TOOL PURPOSE Generators provide you with power when and where you need it most. Refer to 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.

  • Page 11: Control Panel

    KNOW YOUR GENERATOR CONTROL PANEL 1. Fuel Selector Switch 9. Main Circuit Breaker Turn the dial to easily switch between gasoline, propane, Push the button to reset the circuit. and natural gas before operation. 10. Grounding Nut 1. Low Oil Alert Connection point for grounding the generator to the Illuminates if the oil level is too low.

  • Page 12: Unpacking & Packing List

    UNPACKING & PACKING LIST UNPACKING With the help of a friend or trustworthy foe, such as one of your in-laws, carefully remove the generator from the packaging and place it on a sturdy, flat surface. Make sure to take out all contents and accessories. Do not discard the packaging until everything is removed.

  • Page 13: Assembly & Adjustments

    ASSEMBLY & ADJUSTMENTS TO INSTALL THE FEET: 1. Insert two M8x16 bolts (1) through the foot support assembly (2) and frame. Tighten with two M8 nuts (3). 2. Repeat step 1 for the other foot. TO INSTALL THE WHEELS: 1. Slide the wheel axle (4) through the wheel (5), flat washer (6), and wheel bracket on the frame. 2.

  • Page 14: Generator Preparation

    4. Reinstall the oil dipstick and firmly tighten it. Wipe clean any spilled oil. NOTE: Extend the lifespan of your generator by catching the loose metal filaments that naturally build up inside the crank case with the WEN Magnetic Dipstick (Model GNA273), available for purchase at wenproducts.com. Lower Fill Line...
  • Page 15 GENERATOR PREPARATION TO CHECK OIL LEVEL (before every subsequent start): Fig. 5 1. Place the generator on a level surface. Make sure the engine is OFF before adding or checking oil. 2. Remove and wipe the dipstick with a clean rag. Upper Limit 3.
  • Page 16 GENERATOR PREPARATION TO ADD GASOLINE: Fig. 6 1. Place the generator on a level surface. Make sure the engine is OFF before adding or checking the fuel. 2. Unscrew the fuel cap (Fig. 6) and set it aside. The fuel cap may be tight and hard to unscrew.
  • Page 17 GENERATOR PREPARATION FUEL OPTION B: LIQUID PETROLEUM GAS (LPG) (CONT.) NOTE: LPG regulator inlet pressure is approximately 30 PSI at 0 °F, and 218 PSI at 100 °F. • You can use LPG tanks with Type 1, right hand Acme threads with this generator. Verify that the qualification date on tank has not expired.
  • Page 18 NG hose (not included) to the supply line. A 25-foot 1/2-inch NG hose with quick-connector is available for pur- chase at wenproducts.com (part no. TF1450X-1431). 2. Screw the female threaded end of the quick-connect adapter (Fig. 8 - 1) onto the male threaded fitting on the generator (Fig.

  • Page 19: Step 3 - Connect The Battery

    GENERATOR PREPARATION STEP 3 - CONNECT THE BATTERY WARNING! BATTERY GIVES OFF EXPLOSIVE HYDROGEN GAS. • Keep battery away from spark, flame, or cigarette. • Do not connect or disconnect battery while generator is running. • Service or use battery only in well ventilated areas. WARNING! Battery contains sulfuric acid.

  • Page 20: Step 4 - Ground The Generator

    This kit should be installed by a qualified mechanic. You can order the kit at wenproducts.com by searching part number TF1450X-HA36 (3000 - 6000 ft) and TF1450X-HA68 (6000 - 8000 ft). Refer to the instructions included with your altitude kit for more information about installation.

  • Page 21: Operation & Maintenance

    STARTING YOUR GENERATOR Before starting the generator, make sure you have read and performed the steps in the “Generator Preparation” sec- tion of this manual. If you are unsure about how to perform any of the steps in this manual please call 1-847-429-9263 (M-F 8-5 CST) for customer service.

  • Page 22: Before Starting The Generator

    STARTING YOUR GENERATOR BEFORE STARTING THE GENERATOR Fig. 11 1. Verify that the generator is outside on a dry, level sur- face. Allow at least two feet of clearance on all sides of the generator. 2. To maximize safety, check that the generator is properly grounded (see “Ground the Generator”).

  • Page 23: Using Your Generator

    USING YOUR GENERATOR CALCULATING THE WATTAGE OF YOUR DEVICE(S) Connect electrical devices running on AC current according to their wattage requirements. Calculate the total run- ning wattage and starting wattage of the device(s) you wish to connect, and MAKE SURE that they are within the capacity of your generator and the capacity of each individual outlet.
  • Page 24 USING YOUR GENERATOR CALCULATING THE WATTAGE OF YOUR DEVICE(S) - CONTINUED The chart below serves as a reference for the estimated wattage requirements of common electrical devices. How- ever, do not solely rely on this chart - all electronics and appliances are built differently. Always check the wattage listed on the electrical device before consulting this chart.

  • Page 25: Connecting Electrical Devices

    USING YOUR GENERATOR CONNECTING ELECTRICAL DEVICES CAUTION: Become familiar with the functions and capacity of each component on the control panel (page 11) before connecting electrical devices. Do not overload generator or individual panel receptacles. Do not connect 50Hz or 3-phase loads to the generator. SOME NOTES ABOUT POWER CORDS Follow the steps below to properly connect your device(s) to the generator:...
  • Page 26 • The CO sensor has a lifetime of about 7 years, and is capable of monitoring its lifetime. If your generator shows an error light several years after purchase, it may be time to replace the CO sensor. Contact WEN customer service...

  • Page 27: Changing Fuels

    USING YOUR GENERATOR CHANGING FUELS 1. Before changing the fuel source, make sure the generator is turned OFF or running under half-load. Do not change fuel when the generator is over half-load. 2. If switching from LPG / NG to gasoline, turn off the LPG tank valve or close the NG line and disconnect the LPG hose or NG hose from the generator.

  • Page 28: Maintenance

    MAINTENANCE RECOMMENDED MAINTENANCE SCHEDULE Proper routine maintenance of the generator will help prolong the life of the machine. Please perform maintenance checks and operations according to the maintenance schedule below, Table 4. If there are any questions about the maintenance procedures listed in this manual, please contact customer service at 1-847-429-9263 (M-F 8-5 CST), or email techsupport@wenproducts.com.

  • Page 29: Cleaning The Generator

    MAINTENANCE CLEANING THE GENERATOR Keep the generator clean to prevent improper operation or machine damage from dirt and debris. Inspect all ventila- tion openings on the generator. These openings must be kept clean and unobstructed. If the generator becomes dirty, use a 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.

  • Page 30: Checking/Adding Oil

    MAINTENANCE CHECKING/ADDING OIL Check the oil level before each use and every 8 hours of operation. The oil capacity of the generator engine is 44 fl. oz. Add oil when the oil level is low. For proper type and weight of oil refer to “add oil”...

  • Page 31: Air Filter Maintenance

    If either of the air filter elements have been damaged, replace them with new ones. Replacement air filter elements can be ordered from wenproducts.com by searching part no. TF1450X-1103 and TF1450X-1104. 4. Reinstall the air filter elements and air filter cover.

  • Page 32: Spark Plug Maintenance

    Fig. 20 We recommend replacing with a LG F7RTJC (NGK BP6ET) 0.8mm - 1mm spark plug (part no. TF1450X-0310), available for purchase at wenproducts.com. 4. If re-using the spark plug, use a wire brush to clean any dirt from around the spark plug base, then re-gap the spark plug.

  • Page 33: Draining The Fuel Tank

    MAINTENANCE BATTERY MAINTENANCE/STORAGE DRAINING THE FUEL TANK The battery (part no. DF1200X-1526) shipped with the Drain and clean the fuel tank each year, or before storing generator has been fully charged. The battery will re- the generator for longer than two months. ceive charge when the engine is running.

  • Page 34: Product Disposal

    TRANSPORTATION & STORAGE TRANSPORTING THE GENERATOR To prevent fuel spillage when transporting, be sure to perform the following to your generator: 1. Tighten the fuel cap and make sure the fuel valve is turned OFF. 2. Make sure the engine switch is in the OFF position. 3.

  • Page 35: Troubleshooting Guide

    Refer to “CO Sensor Information” on p. 26. CO sensor disconnected, Connect or install the CO sensor. If an error is shown, contact WEN custom- removed, or faulty. er service for assistance. Also refer to “CO Sensor Information” on p. 25.

  • Page 36: Wiring Diagram

    WIRING DIAGRAM...

  • Page 37: Exploded View & Parts List

    Not all parts may be available for purchase. FIG. 1. CRANKCASE FIG. 2. CYLINDER HEAD COVER Part No. Description Qty. Part No. Description Qty. TF1450X-0101 Crankcase TF1450X-0201 Crankcase Cover DF1200X-0102 Oil Seal 1 Crankcase Cover TF1450X-0202 Gasket...
  • Page 38 Stud Bolt, TF1450X-0313 GN875i-0405 Piston Pin Clip M6/8x114 TF1450X-0502 Piston TF1450X-0314 Stud Bolt, M8x47 TF1450X-0503 Piston Pin TF1450X-0315 Plug TF1450X-0504 Connecting Rod TF1450X-0316 Limit Block TF1450X-0505 Piston Ring Set TF1450X-0317 Clamp TF1450X-0318 Breather Tube TF1450X-0319 Breather Plate Filter 56200-0502 Bolt, M6x14...
  • Page 39 EXPLODED VIEW & PARTS LIST FIG. 6. VALVE TRAIN, CAMSHAFT FIG. 7. RECOIL STARTER Part No. Description Qty. Part No. Description Qty. TF1450X-0601 Camshaft Assembly Bolt and Washer, TF1450X-0701 M6x8 TF1450X-0602 Valve Set Recoil Starter TF1450X-0603 Guide Seal TF1450X-0702 Assembly...
  • Page 40 Hose Clamp 2 High-Altitude Kit, N.P. TF1450X-HA36 3000 - 6000 ft High-Altitude Kit, N.P. TF1450X-HA68 6000 - 8000 ft Part No. Description Qty. Flanged Hex Nut, 56200-0506 TF1450X-1102 Air Filter Assembly TF1450X-1103 Air Filter Element 1 TF1450X-1104 Air Filter Element 2...
  • Page 41 EXPLODED VIEW & PARTS LIST FIG. 12. MUFFLER FIG. 13. FUEL TANK ASSEMBLY Part No. Description Qty. TF1450X-1201 Exhaust Pipe 56310i-1010 Nut, M8 TF1450X-1203 Muffler Gasket 1 TF1450X-1204 Muffler Assembly Part No. Description Qty. Exhaust Pipe TF1450X-1301 Fuel Tank Cap...
  • Page 42 EXPLODED VIEW & PARTS LIST FIG. 14. FRAME Part No. Description Qty. Part No. Description Qty. TF1450X-1401 Frame Assembly DF1200X-1520 Handle DF1200X-1530 Handle Bumper DF1200X-1521 Bolt, M8x50 TF1450X-1403 Air Filter Bracket DF1200X-1522 Nut, M8 TF1450X-1404 Bolt, M6x12 56200-1202 Bolt, M6x12...
  • Page 43 56380i-1432 Rectifier Bridge 56400iX-1436 CO Indicator Light TF1450X-1513 Rubber Jacket TF1450X-1530 Grounding Terminal Control Panel Subas- TF1450X-1514 sembly Battery Charger and N.P. TF1450X-1531 Solenoid Control 56200-1202 Bolt, M6x12 Module DF1200X-1608 Engine Switch Stepper Motor Control DF1200X-1606 Multi-meter N.P. TF1450X-1532 Module...
  • Page 44 Part No. Description Qty. DF1200X-1701 Nut, M5 DF1200X-1711 Stator Bolt, M5x235 Spring Washer, DF1200X-1712 Flat Washer, 10mm DF1200X-1702 Rotor Bolt, DF1200X-1713 TF1450X-1603 Cover Stopper M10-1.25x285 GN875i-0904 Bolt, M5x10 DF1200X-1714 Stator Bolt, M6x199 TF1450X-1605 Shroud TF1450X-1615 Voltage Regulator TF1450X-1606 Terminal Block...

  • Page 45: Warranty Statement

    (3) years from date of purchase or 500 hours of use; whichever comes first. Ninety days for all WEN products if the tool is used for profes- sional or commercial use.
  • Page 46 NOTES...
  • Page 47 NOTES...
  • Page 48 THANKS FOR REMEMBERING V. 2025.01.21...

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