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Stihl HSA 94 R - User Manual

Stihl HSA 94 R
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STIHL HSA 94 R, 94 T
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

  • R
    Ruben BrownJul 31, 2025
    Why my Stihl Trimmer does not start?
    • W
      wpaulJul 31, 2025
      If your Stihl Trimmer doesn't start, several factors could be at play. A common cause is a low battery charge, so recharge it using a compatible STIHL AL charger. The battery might also be too hot or cold; in this case, disconnect it and allow it to reach a moderate temperature. Another reason may be that the trimmer or battery is damp, so ensure both are dry. There might also be no electrical contact between the trimmer and battery, so try disconnecting and reconnecting the cable plug. If the issue persists, clean the contacts as described in the STIHL AR battery’s instruction manual or in the user instructions for the “AP belt bag with connecting cable.” If 3 or 4 LEDs continue to flash red, there may be a malfunction, and you should contact your STIHL servicing dealer for assistance.
  • C
    Crystal CampbellAug 4, 2025
    What to do if my Stihl HSA 94 R cuts out during operation?
    • E
      Elizabeth EvansAug 4, 2025
      If your Stihl Trimmer cuts out while you're using it, it could be overheating. Disconnect the cable plug and let it cool down. Another reason could be a low battery, so ensure it's fully charged using a compatible STIHL AL charger. Also, there may be an electrical malfunction. Try disconnecting and reconnecting the cable plug. If the trimmer continues to cut out, clean the contacts as described in the STIHL AR battery’s instruction manual or in the user instructions for the “AP belt bag with connecting cable.”
  • B
    balldavidAug 8, 2025
    What to do if Stihl HSA 94 R does not start and cutting blades do not move freely?
    • L
      Lisa BurchAug 9, 2025
      If your Stihl Trimmer isn't starting and the cutting blades aren't moving freely, spray both sides of the blades with STIHL resin solvent. If 3 LEDs continue to flash red, stop using your hedge trimmer and contact your STIHL servicing dealer.
  • J
    Jacob EllisAug 13, 2025
    Why is the runtime of my Stihl HSA 94 R too short?
    • J
      James OrtizAug 13, 2025
      A short runtime for your Stihl Trimmer can be due to a couple of reasons: * The battery may not be fully charged. In this case, charge the battery as described in its instruction manual. * The battery's useful life may have been reached or exceeded. If this is the case, have the battery checked by an authorized STIHL servicing dealer.
  • R
    Rebecca WelchAug 17, 2025
    How to fix Stihl HSA 94 R if it does not start because of low battery?
    • M
      Michael CollinsAug 17, 2025
      If your Stihl Trimmer isn't starting, a potential cause is a low battery charge. To resolve this, recharge the battery as detailed in the STIHL AL charger's instruction manual.
  • S
    Steven OrrAug 21, 2025
    How to fix Stihl HSA 94 R Trimmer if cutting blades do not run freely?
    • D
      Dr. Zachary Henry MDAug 21, 2025
      If your Stihl Trimmer doesn't start, the cutting blades might not be running freely. To resolve this, spray both sides of the blades with STIHL resin solvent. However, if 3 LEDs continue to flash red, do not use your hedge trimmer and contact your STIHL servicing dealer for assistance.
  • N
    nicholas30Oct 25, 2025
    What to do if my Stihl HSA 94 R does not start when switched on?
    • C
      Craig JohnsonOct 26, 2025
      If your Stihl Trimmer doesn't start, several factors could be at play. Here's what you can check: * **No electrical contact:** Remove and reinsert the connecting cord, and visually inspect the electrical contacts in the socket. * **Low battery charge:** Charge the battery as detailed in its instruction manual. * **Battery temperature:** If the battery is too hot or cold, allow it to reach an ambient temperature between 50 °F to 68 °F (10 °C to 20 °C). * **Battery malfunction:** Remove and reinsert the connecting cord, then switch on the trimmer. If the LEDs continue to flash, the battery is faulty and needs replacement. * **Overheated trimmer:** Allow the trimmer to cool down. * **Trimmer malfunction:** Remove and reinsert the connecting cord, then switch on the trimmer. If th...

Summary

Main Parts

Safety Symbols on the Products

Hedge Trimmer

Explains safety symbols found on the hedge trimmer itself.

Battery

Explains safety symbols found on the batteries used with the trimmer.

General Power Tool Safety Warnings

Work Area Safety

Covers keeping the work area clean, well lit, and free of hazards.

Electrical Safety

Details precautions for safe electrical connections and handling of power tools.

Personal Safety

Emphasizes operator alertness, proper PPE, and avoiding impairment.

IMPORTANT SAFETY INSTRUCTIONS

Intended Use

Operator

Outlines the physical and mental requirements for operating the hedge trimmer.

Personal Protective Equipment

Details the essential personal protective equipment needed for safe operation.

Hedge Trimmer Safety Warnings

Specific safety precautions related to the hedge trimmer itself.

Holding and Controlling the Hedge Trimmer

Guidance on how to hold and maintain control of the hedge trimmer.

Working Conditions

Operating Instructions

Step-by-step guidance for operating the hedge trimmer safely.

Maintenance, Repair and Storage

Battery Safety

Warnings and Instructions

Essential safety precautions and instructions for handling STIHL batteries.

Before Starting Work

Preparing the Hedge Trimmer for Operation

Charging the Battery

Setting up the Charger

Charging

Using a Battery Harness

STIHL AR Backpack Battery

STIHL Battery Backpack

Switching the Hedge Trimmer On and Off

Switching On

Detailed steps and safety precautions for switching the hedge trimmer on.

Switching Off

Instructions and warnings for safely switching off the hedge trimmer.

Checking the Hedge Trimmer

Testing the Controls

During Operation

Using the Hedge Trimmer

Guidance on how to operate the hedge trimmer in vertical and horizontal planes.

After Finishing Work

Preparing for Transportation or Storage

Cleaning

Cleaning the Hedge Trimmer

Cleaning the Cutting Blades

Inspection and Maintenance

Troubleshooting Guide

Hedge Trimmer

Lists common problems, causes, and remedies for the hedge trimmer.

Stihl HSA 94 R Specifications

General IconGeneral
Blade size600 mm
Blade typeDouble blade
Sound power level94 dB
Vibration emission3.6 m/s²
Sound pressure level83 dB
Engine power- W
Power sourceBattery
Battery voltage36 V
Weight and Dimensions IconWeight and Dimensions
Depth117 mm
Weight4100 g

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