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Kobalt 1157557 - User Manual

Kobalt 1157557
89 pages
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PH18597
Questions, problems, missing parts? Before returning to your retailer, call our customer
service department at 1-888-3KOBALT (1-888-356-2258), 8 a.m. - 8 p.m., EST,
Monday - Friday.
ATTACH YOUR RECEIPT HERE
Serial Number Purchase Date
Español p. 19
ITEM #1157557/1137837/0856457
BRUSHLESS
STRING TRIMMER
MODEL #KST 2224B-03, KST 4024A-03 & KOC 4124A-03
WARNING
Read all safety warnings and instructions. Failure to follow the warnings and instructions may
result in electric shock, re and/or serious injury.

Table of Contents

Questions and Answers

  • S
    Samantha VaughnAug 8, 2025
    What to do if Kobalt 1157557 stops while cutting?
    • J
      jamesadkinsAug 8, 2025
      If your Kobalt trimmer stops while cutting, there could be several reasons. First, the motor shaft or trimmer head might be bound with grass; stop the trimmer, remove the battery, and remove the grass. Second, the motor may be overloaded; move the trimmer head to cut no more than 8 inches of grass in a single cut, then remove the trimmer head and restart the tool. Finally, the battery pack or trimmer might be too hot; release the trigger, wait for it to cool down, and restart.
  • M
    Michelle GriffinAug 25, 2025
    Why Kobalt Trimmer head will not advance line?
    • G
      gpayneAug 25, 2025
      If the trimmer head on your Kobalt trimmer won't advance the line, it could be due to a couple of reasons. One possibility is that the motor shaft or trimmer head is bound with grass. To resolve this, stop the trimmer, remove the battery, and clean the motor shaft and trimmer head. Another reason could be that there isn't enough line on the spool. In this case, remove the battery and replace the cutting line.

Summary

SAFETY INFORMATION

General Safety Precautions

Understand symbols, definitions, and follow basic safety rules to prevent hazards.

Battery and Charger Safety

Specific warnings and guidelines for using battery packs and chargers safely.

ASSEMBLY INSTRUCTIONS

Mounting the Guard

Mounting the Front-Assist Handle

OPERATING INSTRUCTIONS

Holding the String Trimmer

Starting and Stopping the String Trimmer

Step-by-step guide on how to turn the trimmer on and off safely.

Using the String Trimmer

How to operate the trimmer, including checking parts and best cutting practices.

Line Replacement

Detailed steps for replacing the cutting line on the spool.

Winding the Spool with New Line

CARE AND MAINTENANCE

TROUBLESHOOTING

Kobalt 1157557 Specifications

General IconGeneral
BrandKobalt
Model1157557
CategoryTrimmer
LanguageEnglish

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