Instruction Manual

Original Instruction ManualPrinted on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
© ANDREAS STIHL AG & Co. KG, 2020 0458-546-8221-D. VA6.G20. 0000001091_022_GB
FS 40, FS 40 C, FS 50, FS 50 C
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
Approved Combinations of Cutting
Attachment, Deflector, Handle and
Harness 9
Mounting the Loop Handle 10
Mounting the Deflector 10
Mounting the Cutting Attachment 11
Fuel 14
Fueling 15
Starting / Stopping the Engine 15
Operating Instructions 17
Cleaning the Air Filter 18
Engine Management 18
Adjusting the Carburetor 19
Spark Plug 19
Engine Running Behavior 20
Storing the Machine 20
Maintaining the Mowing Head 21
Inspections and Maintenance by
Dealer 25
Maintenance and Care 26
Main Parts 28
Specifications 29
Maintenance and Repairs 30
Disposal 31
STIHL Limited Emission Control
Warranty Statement 31