Original Instruction ManualPrinted on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
© ANDREAS STIHL AG & Co. KG, 2020
0458-517-8221-B. VA1.B20.
0000008126_002_GB
HL 91 K
English
1
This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process
with electronic systems.
Contents
Dear Customer,
Thank you for choosing a quality
engineered STIHL product.
It has been built using modern
production techniques and
comprehensive quality assurance.
Every effort has been made to ensure
your satisfaction and trouble-free use of
the product.
Please contact your dealer or our sales
company if you have any queries
concerning this product.
Your
Dr. Nikolas Stihl
Guide to Using this Manual 2
Safety Precautions and Working
Techniques 2
Using the Unit 8
Approved Power Tool Attachments 9
Assembling the Unit 9
Fuel 10
Fueling 11
Starting / Stopping the Engine 12
Operating Instructions 14
Cleaning the Air Filter 14
Engine Management 15
Adjusting the Carburetor 15
Spark Plug 16
Lubricating the Gearbox 17
Sharpening Instructions 17
Storing the Machine 17
Inspection and Maintenance by
User 18
Inspections and Maintenance by
Dealer 18
Maintenance and Care 20
Main Parts 22
Specifications 24
Maintenance and Repairs 24
Disposal 25
STIHL Limited Emission Control
Warranty Statement 25
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