0458-722-8621-A
2
English 
1 Introduction
Thank you for your purchase. The information contained in 
this manual will help you receive maximum performance and 
satisfaction from your hedge trimmer and, if followed, reduce 
the risk of injury from its use.
SAVE THIS MANUAL!
Have your authorized STIHL servicing dealer show you how 
to operate your power tool.
Do not lend or rent the hedge trimmer without this instruction 
manual. Allow only persons who fully understand the 
information in this manual to operate the hedge trimmer.
For further information, or if you do not understand any of 
the instructions in this manual, please go to 
www.stihlusa.com or contact your authorized STIHL 
servicing dealer.
2.1 Signal Words
This manual contains safety information that requires your 
special attention. Such information is introduced with the 
following symbols and signal words:
DANGER
Indicates a hazardous situation that, if not avoided, will 
result in death or serious injury.
22.2 Inspecting and Maintaining the Hedge Trimmer
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22.3 Lubricating the Gearbox
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22.4 Inspecting and Maintaining the Cutting Blades
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23  Troubleshooting Guide
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23.1 Hedge Trimmer
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24  Specifications
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24.1 STIHL STIHL HSA 94 R, HSA 94 T
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24.2 Cutting Blades
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24.3 Symbols on the Hedge Trimmer
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24.4 Engineering Improvements
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24.5 FCC 15 Compliance Statement
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25  Replacement Parts and Equipment
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25.1 Genuine STIHL Replacement Parts
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26  Disposal
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26.1 Disposal of the Hedge Trimmer and Charger
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26.2 Battery Recycling
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27  Limited Warranty
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27.1 STIHL Incorporated Limited Warranty Policy
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28  Trademarks
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28.1 Registered Trademarks
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28.2 Common Law Trademarks
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29  Addresses
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29.1 STIHL Incorporated
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1 Introduction
Because a hedge trimmer is a high-speed 
cutting tool, special safety precautions must be 
observed to reduce the risk of personal injury.
Read this instruction manual thoroughly before 
use and periodically thereafter. Follow all safety 
precautions. Careless or improper use can 
cause serious or fatal injury.
2 Guide to Using this Manual