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Troy-Bilt TB2040 XP - User Manual

Troy-Bilt TB2040 XP
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769-10077 / 00 08/14
Electric Start Capable
2-Cycle Trimmer
TB2040 XP
TABLE OF CONTENTS
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Know Your Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Oil and Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Starting and Stopping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Cleaning and Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
All information, illustrations, and specifications in this manual are based
on the latest product information available at the time of printing. We
reserve the right to make changes at any time without notice.
Copyright© 2014 MTD SOUTHWEST INC, All Rights Reserved.
SAVE THESE INSTRUCTIONS
SERVICE
DO NOT RETURN THIS UNIT TO THE RETAILER. PROOF OF
PURCHASE WILL BE REQUIRED FOR WARRANTY SERVICE.
For assistance regarding the assembly, controls, operation or
maintenance of the unit, please call the Customer Support Department
at 1-800-828-5500 in the United States or 1-800-668-1238 in Canada.
Additional information about the unit can be found on our website:
www.troybilt.com (U.S.) or www.troybilt.ca (Canada).
For service, please call the Customer Support Department to obtain
a list of authorized service dealers near you. Service on this unit,
both within and after the warranty period, should only be performed
by an authorized and approved service dealer. When servicing, use
only identical replacement parts.
IMPORTANT: Read this manual thoroughly before using this product. Follow all instructions.
Operator’s Manual

Questions and Answers

  • M
    montesmauriceAug 17, 2025
    Why is the cutting line advancing uncontrollably on my Troy-Bilt Brush Cutter?
    • M
      Mrs. Paula Harris DVMAug 17, 2025
      If the cutting line on your Troy-Bilt Brush Cutter advances uncontrollably, it is likely that there is oil, cleaner, or lubricant in the cutting head. To fix this, clean and thoroughly dry the cutting head.
  • C
    Carla CoxAug 20, 2025
    What to do if the cutting head will not advance line on my Troy-Bilt Brush Cutter?
    • S
      Sherri BarrAug 20, 2025
      If the cutting head on your Troy-Bilt Brush Cutter will not advance the line, several issues could be the cause. The cutting head might be bound with grass, in which case you should stop the engine and clean the cutting head. Alternatively, the cutting head might be out of line, requiring you to refill it with new line. Other potential causes include a bound-up inner reel (clean the inner reel and outer spool), a dirty cutting head (open the cutting head and remove the welded section), welded line (rewind the line), twisted line (stop the unit, push the bump knob, and pull the line until 4 inches (102 mm) is outside of the cutting head), or not enough line extended (clean and thoroughly dry the cutting head).
  • C
    Crystal MezaAug 22, 2025
    What to do if my Troy-Bilt Trimmer engine will not accelerate?
    • B
      bryantlindsayAug 22, 2025
      If your Troy-Bilt Trimmer engine won't accelerate, it might be due to old or improperly mixed fuel. In this case, you should drain the fuel. Another possible cause is the cutting head being bound with grass, so you should stop the engine and clear the grass. A dirty air filter could also be the culprit; try cleaning it.
  • M
    millerhollyAug 25, 2025
    Why does my Troy-Bilt Trimmer engine lack power or stall?
    • G
      gina83Aug 26, 2025
      If your Troy-Bilt Trimmer engine lacks power or stalls, it could be due to old or improperly mixed fuel; drain the fuel to resolve this. Another reason could be a fouled spark plug, in which case you should replace it.
  • J
    John WhitakerAug 27, 2025
    How to fix a Troy-Bilt Trimmer that will not idle?
    • H
      Henry JordanAug 27, 2025
      If your Troy-Bilt Trimmer engine will not idle, the fuel may be old (over 30 days) or improperly mixed, requiring you to drain it. Alternatively, the air filter might be plugged, and you'll need to replace it. A further possibility is improper carburetor adjustment, which you'll need to adjust.
  • M
    Matthew LopezAug 30, 2025
    What to do if my Troy-Bilt Trimmer cutting head will not advance line?
    • C
      Corey WigginsAug 30, 2025
      If your Troy-Bilt Trimmer cutting head will not advance line, it could be due to several reasons. These include the cutting head being bound with grass (stop the engine), the cutting head being out of line (refill the line), the inner reel being bound up (rewind it), the cutting head being dirty (clean it), the line being welded (disassemble it), the line being twisted when refilled (disassemble it), or not enough line being exposed (pull out line until 4 inches (102 mm) is outside of the cutting head).
  • G
    gregory45Sep 1, 2025
    How to fix Troy-Bilt Brush Cutter that will not start?
    • K
      kevinkirbySep 2, 2025
      If your Troy-Bilt Brush Cutter engine won't start, several factors could be at play. First, ensure the fuel tank isn't empty; if it is, fill it with properly mixed fuel. If the tank has fuel, try pressing the primer bulb 10 times, or until fuel is visible. If the engine is flooded, move the choke lever to position 3, squeeze the throttle control, and pull the starter rope. Old or improperly mixed fuel can also be a culprit, so drain the tank and refill with fresh, properly mixed fuel. Lastly, a fouled spark plug can prevent starting, so consider replacing it.
  • M
    mary51Sep 4, 2025
    Why Troy-Bilt Brush Cutter engine lacks power or stalls?
    • M
      Megan SmithSep 4, 2025
      If your Troy-Bilt Brush Cutter engine lacks power or stalls, the issue might stem from several causes. Old or improperly mixed fuel is a common culprit, so drain the fuel tank and add fresh, properly mixed fuel. A dirty air filter can also restrict performance; clean or replace it to ensure proper airflow. Lastly, a fouled spark plug can lead to power loss, so consider replacing it.
  • M
    Mikayla HarrisonSep 6, 2025
    What to do if Troy-Bilt Brush Cutter engine will not accelerate?
    • T
      Thomas CantrellSep 6, 2025
      If your Troy-Bilt Brush Cutter engine won't accelerate, start by checking the fuel. Old or improperly mixed fuel can hinder acceleration, so drain the tank and add fresh, properly mixed fuel. Also, inspect the cutting head for obstructions; if it's bound with grass, stop the engine and clean it. A dirty air filter can also restrict engine performance, so clean or replace it.
  • M
    margaret72Sep 9, 2025
    Why does my Troy-Bilt Brush Cutter engine stop while in use?
    • J
      James CombsSep 9, 2025
      If your Troy-Bilt Brush Cutter engine stops while in use, it could be due to the engine overspeed protection being engaged. To resolve this, allow the engine to cool down for 10 minutes before attempting to restart the unit.

Summary

Service

Safety

California Proposition 65 Warning

Warning regarding chemicals known to cause cancer or reproductive harm.

Important Safety Instructions

Key safety guidelines for operating the unit and ensuring user safety.

Safety Warnings for Gas Units

While Operating

Guidelines for safe operation of gas-powered units.

Other Safety Warnings

Additional safety precautions and recommendations.

Safety & International Symbols

Safety Alert and Fuel Symbols

Explanation of symbols related to safety alerts, fuel, and oil.

Operational and Hazard Symbols

Explanation of symbols for controls, operation, and potential hazards.

Know Your Unit

Applications

Lists the various uses and tasks the trimmer can perform.

Assembly Tools Required

Specifies the tools needed for assembling the unit.

Specifications

Technical details and measurements of the trimmer.

Assembly

Installing the Cutting Head Shield

Instructions for attaching the cutting head shield for safety.

Installing and Adjusting the Handle

Steps for attaching and positioning the handle for optimal grip.

Operating the Coupler

Installing the Attachment

Procedure for securely attaching accessories to the coupler.

Removing the Attachment

Procedure for safely detaching accessories from the coupler.

Oil and Fuel

Oil and Fuel Mixing Instructions

Guidance on correctly mixing gasoline and oil for the engine.

Using Fuel Additives

Information on using fuel additives to maintain engine performance.

Mixing the Fuel

Detailed steps and ratio for mixing fuel and oil.

Starting and Stopping

Starting Instructions

Step-by-step guide for starting the trimmer engine.

Stopping Instructions

Procedure for safely shutting down the trimmer engine.

Using the Electric Start Accessory

Starting Instructions

Procedure for starting the unit using the electric start accessory.

Stopping Instructions

Procedure for stopping the unit when using the electric start.

Operation

Holding the Unit

Correct posture and grip for operating the trimmer safely.

Adjusting the Trimming Line Length

How to extend the trimmer line using the bump head.

Tips for Best Results

Recommendations for optimal trimming performance and technique.

Decorative Trimming

Edging

Rotating the Trimmer Attachment

Steps for rotating the attachment for edging tasks.

Maintaining the Trimming Line

Advice on managing trimmer line wear on hard surfaces.

Maintenance

Maintenance Schedule

Recommended schedule for performing maintenance tasks.

Replacing the Trimming Line

Instructions for installing new trimmer line.

Removing Old Trimming Line and Obstructions

Maintaining the Air Filter

Adjusting the Idle Speed

Maintaining the Spark Plug

Cleaning and Storage

Cleaning

Guidelines for cleaning the unit after use.

Storage

Instructions for storing the unit for short or long periods.

Troubleshooting

The Engine Will Not Start

Solutions for problems when the engine fails to start.

The Engine Will Not Idle

Solutions for issues related to the engine not idling correctly.

The Engine Will Not Accelerate

Solutions for problems with engine acceleration.

The Engine Lacks Power or Stalls

Troubleshooting steps for reduced engine power or stalling.

The Engine Stops While in Use

Solutions for the engine stopping unexpectedly during operation.

The Cutting Head Will Not Advance Line

Troubleshooting for issues with trimmer line advancement.

The Cutting Line Advances Uncontrollably

Solutions for when the trimmer line advances without user input.

Manufacturers Limited Warranty For: TROY-BILT

How to Obtain Service

Instructions on how to get warranty service and locate dealers.

How State Law Relates to this Warranty

Explanation of how state laws affect warranty coverage.

Troy-Bilt TB2040 XP Specifications

General IconGeneral
BrandTroy-Bilt
ModelTB2040 XP
CategoryTrimmer
LanguageEnglish

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