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ITEM # GEN4000TRI
SF
4000 SURGE WATTS / 3500 RUNNING WATTS
TRI FUEL: LPG LIQUID PROPANE, GASOLINE, NATURAL GAS
PORTABLE GENERATOR
INSTRUCTION MANUAL
READ ALL INSTRUCTIONS AND WARNINGS BEFORE USING THIS PRODUCT.
This manual provides important information on proper operation & maintenance. Every effort has been made to ensure the
accuracy of this manual. These instructions are not meant to cover every possible condition and situation that may occur.
We reserve the right to change this product at any time without prior notice.
H A V E Q U E S T IO N S OR P R O B L E M S ? C O N T A C T C U S T O M E R S E R V IC E
If you experience a problem or need parts, visit our website http://www.buffalotools.com or call customer service
at 1-866-460-9436, Monday-Friday, 8 AM - 4 PM Central Time. A copy of the sales receipt is required. IF THERE
IS ANY QUESTION ABOUT A CONDITION BEING SAFE OR UNSAFE, DO NOT OPERATE THIS PRODUCT!
FOR CONSUM ER USE ONLY – NOT FOR PROFESSIONAL USE.
KEEP THIS M ANUAL, SALES RECEIPT & APPLICABLE W ARRANTY FOR FUTURE
REFERENCE.
ATTENTION: OIL IS NOT INCLUDED WITH THE GENERATOR
AND MUST BE ADDED BEFORE FIRST USE.
ATTENTION: THIS GENERATOR IS NOT INTENDED TO
POWER MEDICAL DEVICES OR LIFE SUPPORT APPLIANCES.
ATTENTION: FOLLOW ENGINE BREAK-IN PROCEDURE FOR
FIRST 20 HOURS OF USE.
ATTENTION: DO NOT EXCEED MAX WATTAGE CAPACITY,
OTHERWISE DAMAGE CAN OCCUR TO GENERATOR AND/OR
APPLIANCES. FOLLOW WATTAGE GUIDE TO DETERMINE
PROPER STARTING & RUNNING WATTS.

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Summary of Contents for Buffalo Tools SPORTSMAN GEN4000TRI

  • Page 1 ITEM # GEN4000TRI 4000 SURGE WATTS / 3500 RUNNING WATTS TRI FUEL: LPG LIQUID PROPANE, GASOLINE, NATURAL GAS PORTABLE GENERATOR INSTRUCTION MANUAL READ ALL INSTRUCTIONS AND WARNINGS BEFORE USING THIS PRODUCT. This manual provides important information on proper operation & maintenance. Every effort has been made to ensure the accuracy of this manual.
  • Page 2 ITEM # GEN4000TRI 4000 Surge Watts / 3500 Running Watts * This unit is a Tri Fuel (LPG or Gasoline or NG (Natural Gas Fuel) ) powered generator. FEATURES: • 4000 Surge Output / 3500 Running Watts (gasoline)* • 120V Operation •...
  • Page 3 TIPS TO POWERING YOUR GENERATOR WITH NATURAL GAS WARNING: Before installing the fuel line, consult with your local natural gas supplier to check codes and regulations in your area. Local codes will mandate correct routing of gaseous fuel line piping around gardens and other landscaping to prevent any damage. The information in this instruction is offered to assist you in providing the proper Natural Gas (NG) fuel supply for your engine.
  • Page 4: Table Of Contents

    TABLE OF CONTENTS RECOGNIZE SAFETY SYMBOLS, WORDS AND LABELS ....................5 PACKAGE CONTENTS PACKAGE CONTENTS ............................10 COMPONENTS ..............................11 PREPARING THE GENERATOR FOR USE ........................12 Using This Generator For The First Time ....................... 12 Step 1 – Add Oil ............................12 Step 2 –...
  • Page 5: Recognize Safety Symbols, Words And Labels

    RECOGNIZE SAFETY SYMBOLS, WORDS AND LABELS What You Need to Know About Safety Instructions Warning and Important Safety Instructions appearing in this manual are not meant to cover all possible conditions and situations that may occur. Common sense, caution and care must be exercised when operating or cleaning tools and equipment.
  • Page 6 IMPORTANT SAFETY INSTRUCTIONS STOP! Before using this generator and if you have any questions regarding the hazard and safety notices listed in this manual and/or on this generator, call 1-866-460-9436, Monday - Friday, 8 AM - 4 PM Central Time. Carbon Monoxide Gas: When in operation, the exhaust from this generator contains poisonous carbon monoxide gas.
  • Page 7 Usage: Misuse of this generator can damage it or shorten its life. • Use this generator only for its intended purpose. • Operate this generator only on a dry, level surface. • Allow this generator to run for several minutes before connecting any electrical devices. •...
  • Page 8 Item # GEN4000TRI 4000 Surge Watt / 3500 Running Watt Portable Tri Fuel LP Liquid Propane, Gasoline, Natural Gas Generator Manual...
  • Page 9 In addition to the previously described safety information, familiarize yourself with all safety and hazard notices on this generator. Item # GEN4000TRI 4000 Surge Watt / 3500 Running Watt Portable Tri Fuel LP Liquid Propane, Gasoline, Natural Gas Generator Manual...
  • Page 10: Package Contents

    PACKAGE CONTENTS The following items are supplied with this Model GEN4000TRI Portable LP & Gasoline & NG Generator. Verify that all items are included. STOP! If there are missing items, call 1-866-460-9436, Monday - Friday, 8 AM - 4 PM Central Time for customer service. DO NOT RETURN THIS GENERATOR TO THE RETAILER.
  • Page 11: Components

    GENERATOR COMPONENTS Observe the locations and functions of the various components and controls of this generator. To prevent electrical shock from faulty WARNING: appliances, the generator should be grounded. YOU MUST USE Connect a length of heavy wire between the THE SUPPLIED ground terminal and the ground source.
  • Page 12: Preparing The Generator For Use

    PREPARING THE GENERATOR FOR USE Using this Generator for the First-Time STOP! The following section describes the required steps for preparing this generator for the first use. Failure to correctly perform these steps can damage this generator and/or shorten its life. If still unsure about how to perform any of these steps after reading this section, call 1-866-460-9436 Monday - Friday, 8 AM - 4 PM Central Time for customer service.
  • Page 13: Step 2 - Connect Fuel

    Step 2 – Connect Fuel Sulfur, water, dust, etc. are harmful for engine. If the gas supply source (LPG & NG) contains these harmful elements, user must use filter to remove sulfur, water etc. and clean gas. Otherwise, the engine service lifetime will be shortened. Choose either LPG or NG or Gasoline fuel.
  • Page 14: Step 3 - Ground The Generator

    Step 3 - Ground the Generator Failure to properly ground this generator can result in electrocution. Ground this generator by tightening the grounding nut against a grounding wire as illustrated in Figure 3. A No. 12 AWG (American Wire Gauge) stranded copper wire is generally an acceptable grounding wire.
  • Page 15: Step 3 - Ground The Generator

    Step 3 - Ground the Generator Failure to properly ground this generator can result in electrocution. Ground this generator by tightening the grounding nut against a grounding wire as previously illustrated in Figure 3. A generally acceptable grounding wire is a No. 12 AWG (American Wire Gauge) stranded copper wire. The other end of this grounding wire should be connected to a copper or brass grounding rod that is driven into the earth.
  • Page 16: Using The Generator

    USING THE GENERATOR After the engine has been running for several minutes, electrical devices may be connected to this generator. AC Usage Electrical devices running on AC current may be connected according to their wattage requirements. The rated (running) and surge wattage: Model GEN4000TRI Rated (Running) Wattage 3500 (gasoline) Model GEN4000TRI Surge Wattage...
  • Page 17 Connect electrical devices to this generator according to the following procedure: 1. Allow the engine to run for several minutes after it has been started. 2. Confirm that the electrical device is switched off prior to plugging it into this generator. Connect only electrical devices that are in good working order.
  • Page 18: Dc Usage

    DC Usage The DC outlet is only for recharging 12 Volt automotive-type batteries. Do not connect any other device to this outlet. Use this generator only for recharging 12 Volt batteries. NEVER attempt to jumpstart a car with this generator. Failing to use the correct procedure can cause a battery to explode, seriously injuring anyone nearby.
  • Page 19: Maintenance/Care

    MAINTENANCE/CARE Proper routine maintenance of this generator is essential for safe, economical, and trouble-free operation. It will help prolong the life of this generator as well as help reduce air pollution. Perform maintenance checks and procedures according to the schedule in Figure 10. STOP! If you have questions about maintenance procedures described in this manual, call 1-866-460-9436 , Monday - Friday, 8 AM - 4 PM Central Time.
  • Page 20: Changing/Adding Oil

    5. Confirm that the oil filler/dipstick cap is properly in place when finished verifying the oil level. Figure 11 - Checking the Oil Changing/Adding Oil The oil level in this generator should be checked before each use. When the oil level is low, add oil until the level is sufficient to operate this generator. To drain the oil from this generator: The oil should be changed after the first 20 hours of operation.
  • Page 21: Air Filter Maintenance

    Air Filter Maintenance Occasionally verify that the air filter is free of excessive dirt. The air filter will require more frequent cleaning when operating this generator in extremely dusty areas. 1. Unhinge the clasps at the top and bottom of the air filter cover as shown in Figure 15. 2.
  • Page 22: Storage/Transport Procedures

    Never place any type of storage cover on this generator while it is still hot. STORAGE/TRANSPORT PROCEDURES Do not store gasoline for more than 3 months. Never place any type of storage cover on this generator while it is still hot. When transporting or storing this generator for extended time: •...
  • Page 23: Troubleshooting

    TROUBLESHOOTING IMPORTANT: If trouble persists, call our customer help line at 1-866-460-9436, Monday - Friday, 8 AM - 4 PM Central Time. Symptom Cause Solution Engine will not start. Fuel valve is turned to "closed." Turn fuel valve to "open." Choke is open.
  • Page 24: Specifications

    PARTS DIAGRAM Item # GEN4000TRI 4000 Surge Watt / 3500 Running Watt Portable Tri Fuel LP Liquid Propane, Gasoline, Natural Gas Generator Manual...
  • Page 25 Item # GEN4000TRI 4000 Surge Watt / 3500 Running Watt Portable Tri Fuel LP Liquid Propane, Gasoline, Natural Gas Generator Manual...
  • Page 26 Item # GEN4000TRI 4000 Surge Watt / 3500 Running Watt Portable Tri Fuel LP Liquid Propane, Gasoline, Natural Gas Generator Manual...
  • Page 27 Item # GEN4000TRI 4000 Surge Watt / 3500 Running Watt Portable Tri Fuel LP Liquid Propane, Gasoline, Natural Gas Generator Manual...
  • Page 28 Item # GEN4000TRI 4000 Surge Watt / 3500 Running Watt Portable Tri Fuel LP Liquid Propane, Gasoline, Natural Gas Generator Manual...
  • Page 29 Item # GEN4000TRI 4000 Surge Watt / 3500 Running Watt Portable Tri Fuel LP Liquid Propane, Gasoline, Natural Gas Generator Manual...
  • Page 30 Item # GEN4000TRI 4000 Surge Watt / 3500 Running Watt Portable Tri Fuel LP Liquid Propane, Gasoline, Natural Gas Generator Manual...
  • Page 31: Wiring Diagram

    EMISSION CONTROL SYSTEM WARRANTY BUFFALO CORPORATION Your Warranty Rights and Obligations The California Air Recourse Board, U.S. EPA and Buffalo Corp. are pleased to explain the Emission Control System Warranty on your 2020 model year new outdoor power equipment engine. California In California, new spark-ignited small off-road equipment engines must be designed, built and equipped to meet the State’s stringent anti-smog standards.
  • Page 32: Emissions Control System Warranty

    (6) The engine owner must not be charged for diagnostic labor that leads to the determination that a warranted part is in fact defective, provided that such diagnostic work is performed at a warranty station. (7) Buffalo Corp. is liable for damages to other engine components proximately caused by a failure under warranty of any warranted part. (8) Throughout the engine warranty period stated above, Buffalo Corp.

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