Operation Manual

Original Instruction ManualPrinted on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
© ANDREAS STIHL AG & Co. KG, 2016 0458-273-8621-D. VA0.A16. 0000000870_015_GB
FS 310
English
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This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process
with electronic systems.
Contents
Allow only persons who fully understand
this manual to operate your trimmer /
brushcutter.
To receive maximum performance and
satisfaction from your STIHL trimmer /
brushcutter, it is important that you read,
understand and follow the safety
precautions and the operating and
maintenance instructions in chapter
"Safety Precautions and Working
Techniques" before using your trimmer /
brushcutter. For further information you
can go to www.stihlusa.com.
Contact your STIHL dealer or the STIHL
distributor for your area if you do not
understand any of the instructions in this
manual.
WARNING
Because a trimmer / brushcutter is a
high-speed cutting tool some special
safety precautions must be observed to
reduce the risk of personal injury.
Careless or improper use may cause
serious or even fatal injury.
Make sure your unit is equipped with the
proper deflector, handle and harness for
the type of cutting attachment being
used. Always wear proper eye
protection.
Guide to Using this Manual 2
Safety Precautions and Working
Techniques 3
Approved Combinations of Cutting
Attachment, Deflector, Limit Stop
and Harness 17
Mounting the Bike Handle 19
Adjusting the Throttle Cable 20
Mounting the Deflector 20
Mounting the Cutting Attachment 21
Fuel 25
Fueling 26
Fitting the Full Harness 28
Balancing the Machine 28
Starting / Stopping the Engine 29
Transporting the Unit 31
Operating Instructions 32
Replacing the Air Filter 33
Engine Management 33
Adjusting the Carburetor 33
Spark Arresting Screen in Muffler 34
Spark Plug 34
Lubricating the Gearbox 35
Storing the Machine 36
Sharpening Metal Cutting Blades 36
Maintaining the Mowing Head 37
Maintenance and Care 39
Main Parts 41
Specifications 43
Maintenance and Repairs 44
Disposal 45
STIHL Incorporated Federal
Emission Control Warranty
Statement 45
STIHL Incorporated California
Exhaust and Evaporative
Emissions Control Warranty
Statement 47
Trademarks 49