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EGO ST1500-S - User Manual

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OPERATOR'S MANUAL
56-VOLT LITHIUM-ION
CORDLESS 15" BRUSHLESS
STRING TRIMMER
MODEL NUMBER ST1500/ST1500-S/
ST1500 STRAIGHT SHAFT/
ST1500-S FOLDABLE SHAFT
WARNING: To reduce the risk of injury, the user must read and understand the
Operator’s Manual before using this product. Save these instructions for future reference.
Español p. 33

Questions and Answers

  • C
    Connor HurleyAug 16, 2025
    How to fix an EGO ST1500-S that fails to start?
    • M
      Mrs. Diane CoxAug 16, 2025
      If your EGO Trimmer fails to start, here are a few things to check: * Ensure the battery pack is properly attached to the trimmer. * Remove the battery, check the contacts, and reinstall the battery pack to ensure good electrical contact. * Make sure the battery pack is charged. * Simultaneously press down the lock-off lever and depress the trigger to turn on the string trimmer.
  • M
    Marcus ThomasAug 22, 2025
    Why my EGO Trimmer won't start?
    • S
      Sabrina McguireAug 22, 2025
      If your EGO Trimmer doesn't start, there are several potential reasons: * The battery pack might not be properly attached. Ensure the battery pack is securely attached to the trimmer. * There may be a poor electrical connection. Remove the battery, inspect the contacts, and then re-install the battery pack. * The battery pack could be depleted. Try charging the battery pack. * You may not be pressing the lock-off lever and trigger correctly. Make sure to press down and hold the lock-off lever, then depress the trigger to activate the string trimmer.
  • M
    Miss Brittany PatrickAug 28, 2025
    What to do if the line on my EGO Trimmer is not cutting well?
    • K
      Keith AndersonAug 28, 2025
      If the line on your EGO Trimmer is not cutting well, the line-cutting blade on the edge of the guard may have become dull. Sharpen the line-cutting blade with a file or replace it with a new blade.
  • L
    Linda ConradAug 31, 2025
    How to fix EGO ST1500-S Trimmer head not advancing line?
    • M
      Mr. Michael MillerAug 31, 2025
      If the trimmer head of your EGO Trimmer won't advance the line, consider the following: * Grass might be binding the motor shaft or trimmer head. Stop the trimmer, remove the battery, and clean the motor shaft and trimmer head. * There might not be enough line on the spool. Remove the battery and replace the cutting line, following the instructions in the “LINE REPLACEMENT” section. * The trimmer head could be dirty. Remove the battery and clean the spool, spool retainer, and spool base. * The line may be tangled on the spool. Remove the battery, remove the line from the spool, and rewind it, following the “LINE REPLACEMENT” section. * The line could be too short. Remove the battery and pull the lines while alternately pressing down on and releasing the bump knob.
  • J
    jessicahoffmanSep 3, 2025
    What to do if EGO Trimmer line is not cutting well?
    • S
      Samantha NelsonSep 3, 2025
      If the line on your EGO Trimmer isn't cutting well, the line-cutting blade on the edge of the guard may have become dull. Sharpen the line-cutting blade with a file or replace it with a new blade.
  • P
    Pamela BuchananSep 6, 2025
    Why is grass wrapping around the trimmer head and motor housing of my EGO ST1500-S Trimmer?
    • M
      Maureen ForbesSep 6, 2025
      Grass may wrap around the trimmer head and motor housing of your EGO Trimmer if you are cutting tall grass at ground level. To prevent this, cut tall grass from the top down, removing no more than 8 inches in each pass.
  • M
    mwuSep 12, 2025
    Why does grass wrap around the head of my EGO Trimmer?
    • A
      Adam SolomonSep 13, 2025
      If grass is wrapping around the trimmer head and motor housing of your EGO Trimmer, it's likely due to cutting tall grass at ground level. To prevent this, cut tall grass from the top down, removing no more than 8 inches in each pass.
  • S
    smithryanNov 18, 2025
    What to do if the trimmer head on my EGO Trimmer will not advance line?
    • A
      Andrew RomeroNov 19, 2025
      If the trimmer head on your EGO Trimmer won't advance line, consider the following: * The motor shaft or trimmer head could be bound with grass. Stop the trimmer, remove the battery, and clean the motor shaft and trimmer head. * There might not be enough line on the spool. Remove the battery and replace the cutting line, following the instructions in the “LINE REPLACEMENT” section of this manual. * The trimmer head could be dirty. Remove the battery and clean the spool, spool retainer, and spool base. * The line could be tangled on the spool. Remove the battery, remove the line from the spool, and rewind it, following the “LINE REPLACEMENT” section of this manual. * The line might be worn too short. Remove the battery and pull the lines while alternately pressing down on and rel...
  • T
    Tyler SwansonNov 24, 2025
    Why does my EGO Trimmer stop while cutting?
    • X
      xjonesNov 24, 2025
      Your EGO Trimmer might stop while cutting for several reasons: * The guard might not be mounted, causing an overly long cutting line and motor overload. * Solution: Remove the battery pack and mount the guard on the trimmer. * You might be using heavy cutting line. * Solution: Use only nylon cutting line with a diameter of 0.095” (2.4mm) or less. * The motor shaft or trimmer head might be bound with grass. * Solution: Stop the trimmer, remove the battery, and clean the motor shaft and trimmer head. * The motor might be overloaded. * Solution: Remove the trimmer head from the grass. The motor will recover as soon as the load is removed. When cutting, move the trimmer head in and out of the grass to be cut and remove no more than 8 inches of length in a ...

Summary

SAFETY SYMBOLS

SAFETY ALERT SYMBOL

Indicates DANGER, WARNING, OR CAUTION.

EYE PROTECTION

Always wear safety goggles or safety glasses with side shields and a full face shield.

SAFETY INSTRUCTIONS

SAFETY ALERT

Indicates a potential personal injury hazard.

READ THE OPERATORS MANUAL

To reduce the risk of injury, user must read operator's manual.

EYE PROTECTION

Always wear safety goggles or safety glasses with side shields and a full face shield.

RECYCLE SYMBOLS

Information on lithium-ion battery recycling.

IMPORTANT SAFETY INSTRUCTIONS

INTRODUCTION

SPECIFICATIONS

ASSEMBLY

UNPACKING

Carefully remove product and accessories from the box and inspect for damage.

PACKING LIST

List of items included in the product packaging.

UNFOLDING THE SHAFT

Instructions for unfolding the trimmer shaft for ST1500-S model.

MOUNTING THE GUARD

Steps to mount the guard onto the string trimmer.

MOUNTING AND ADJUSTING THE FRONT-ASSIST HANDLE

How to attach and adjust the front-assist handle.

DESCRIPTION

OPERATION

TO INSTALL;REMOVE BATTERY PACK

Instructions for installing and removing the battery pack.

HOLDING THE STRING TRIMMER

Proper posture and grip for operating the string trimmer.

STARTING;STOPPING THE STRING TRIMMER

Steps to start and stop the string trimmer.

USING THE STRING TRIMMER

BEFORE EACH USE CHECK FOR DAMAGED;WORN PARTS

Inspecting the trimmer for damaged or worn parts before use.

AFTER EACH USE, CLEAN THE TRIMMER

Cleaning instructions for the trimmer after use.

TIPS FOR BEST TRIMMING RESULTS

Guidance on achieving optimal trimming performance.

ADJUSTING CUTTING LINE LENGTH

How to extend the cutting line using the bump knob.

LINE REPLACEMENT

Instructions for replacing the cutting line spool.

WIND THE SPOOL WITH NEW LINE

Detailed steps for winding new cutting line onto the spool.

INSTALL A PRE-WOUND SPOOL

Instructions for installing a pre-wound spool.

MAINTENANCE

CLEAN THE UNIT

Procedures for cleaning the string trimmer.

SHARPEN THE LINE CUTTING BLADE

How to sharpen the line cutting blade.

STORING THE UNIT

Proper procedures for storing the string trimmer.

TROUBLESHOOTING

EGO WARRANTY POLICY

HOW TO OBTAIN SERVICE

Contact information and procedures for obtaining warranty service.

ADDITIONAL LIMITATIONS

Legal disclaimers and limitations of the warranty policy.

PART LIST

EGO ST1500-S Specifications

General IconGeneral
TypeString Trimmer
Power SourceBattery
Voltage56V
Cutting Width15 inches
Line Diameter0.095 inches
Line FeedBump Feed
Shaft TypeStraight
Battery IncludedNo
Charger IncludedNo
FeaturesWeather-resistant

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