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Stihl FSA 57 - User Manual

Stihl FSA 57
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STIHL FSA 57
Instruction Manual
Manual de instrucciones
WARNING
Read Instruction Manual thoroughly before use and
follow all safety precautions – improper use can cause
serious or fatal injury.
ADVERTENCIA
Antes de usar la máquina lea y siga todas las precauciones
de seguridad dadas en el manual de instrucciones – el uso
incorrecto puede causar lesiones graves o mortales.

Table of Contents

Questions and Answers

  • M
    Monique ShermanSep 14, 2025
    How to extend the runtime of my Stihl Lawn and Garden Equipment brushcutter?
    • K
      Katherine KleinSep 14, 2025
      If your Stihl Lawn and Garden Equipment brushcutter's runtime is too short, make sure the battery is fully charged. If the issue persists, the battery's service life may be over, and you might need to replace it.
  • C
    Christopher McdowellSep 15, 2025
    What to do if charging doesn't start when the battery is inserted into the Stihl Lawn and Garden Equipment charger?
    • C
      Christopher MartinSep 15, 2025
      If your Stihl Lawn and Garden Equipment charger doesn't start when the battery is inserted, the battery may be too warm or too cold. Leave the battery in the charger; charging will begin automatically once it reaches the correct temperature range.
  • L
    Laura RoseSep 18, 2025
    How to unscrew a stuck mowing head on Stihl Lawn and Garden Equipment?
    • A
      April LowerySep 18, 2025
      If the mowing head on your Stihl Lawn and Garden Equipment is stuck, block the fanwheel with the stop pin, then try unscrewing it by hand. Remember to remove the stop pin afterward.
  • K
    Krista WallaceNov 19, 2025
    Why my Stihl FSA 57 Trimmer does not start?
    • K
      kelly22Nov 19, 2025
      If your Stihl Trimmer does not start, several factors could be at play. First, ensure the battery is adequately charged. If the battery is too hot or cold, remove it and allow it to reach a moderate temperature. A malfunction could also be the reason; in that case, remove the battery, clean the contacts in the battery compartment, re-insert the battery, and switch on the trimmer. If 3 LEDs continue to flash red, do not use your trimmer and contact your STIHL dealer for assistance. If the trimmer is too hot, remove the battery and allow the trimmer to cool down. If there is a malfunction in the battery, remove battery and insert it again. Switch on the trimmer. If 4 LEDs continue to flash red: Do not use the battery and contact your STIHL dealer for assistance. Ensure there's good electrica...
  • J
    Julia GarciaNov 23, 2025
    Why does my Stihl Trimmer not start when switched on?
    • R
      Richard HayesNov 23, 2025
      Your Stihl Trimmer might not start due to several reasons: The battery may have a low charge, so you should charge it. The battery could also be too hot or too cold; in this case, remove the battery and allow it to cool down or warm up. There may be a malfunction in the trimmer, try removing the battery, cleaning the contacts in the battery compartment, fitting the battery again, and switching on the trimmer. If 3 LEDs continue to flash red, stop using your trimmer and contact your STIHL dealer for assistance. The trimmer could be too hot, remove the battery and allow the trimmer to cool down. There might be a malfunction in the battery, so remove it and insert it again, then switch on the trimmer; if 4 LEDs continue to flash red, do not use the battery and contact your STIHL dealer. There...
  • N
    Nicole AndersonDec 1, 2025
    Why Stihl Lawn and Garden Equipment brushcutter won't start?
    • S
      Samantha BassDec 1, 2025
      Several factors can prevent your Stihl Lawn and Garden Equipment brushcutter from starting. It could be due to a low battery charge, so you should charge the battery. The battery might be too warm or cold; in this case, remove it and allow it to reach a moderate temperature. A malfunction could also be the reason. To resolve this, remove the battery, clean the electrical contacts, reinsert the battery, and switch on the brushcutter. If the problem persists and 3 LEDs flash red, stop using the brushcutter and contact your STIHL dealer for assistance. If the trimmer is too hot, remove the battery and let the trimmer cool down. A faulty battery can also cause starting issues. Remove and reinsert the battery, then switch on the brushcutter. If 4 LEDs continue to flash red, discontinue using th...

Summary

IMPORTANT SAFETY INSTRUCTIONS

Safe Operation Practices

Provides guidelines for safe operation, handling, and working conditions.

Battery and Charger Safety

Battery Safety Guidelines

Critical safety warnings for battery handling and use.

Charger Safety Guidelines

Safety precautions for using the battery charger.

Operation

Switching the Trimmer On and Off

Instructions on how to safely start and stop the trimmer.

Using the Trimmer Safely

Practical advice for operating the trimmer and adjusting the nylon line.

Maintenance and Cleaning

Troubleshooting and Specifications

Troubleshooting Guide

Solutions for common problems with the trimmer and battery.

Stihl FSA 57 Specifications

General IconGeneral
Power sourceBattery
Battery voltage36 V
Type-
TelescopicYes
Product colorOrange, White
Sound power level89 dB
Vibration emission4 m/s²
Sound pressure level74 dB
Cutting diameter (max)280 mm
Battery charger includedNo

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