Instruction Manual

Original Instruction ManualPrinted on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
© ANDREAS STIHL AG & Co. KG, 2015 0458-452-8621-G. VA4.A15. 0000006508_005_GB
BR 500, BR 550, BR 600
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 blower.
To receive maximum performance and
satisfaction from your STIHL blower, 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
blower. 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 blower is a high-speed tool,
some special safety precautions must
be observed as with any other power
tool to reduce the risk of personal injury.
Careless or improper use may cause
serious or even fatal injury.
Guide to Using this Manual 2
Safety Precautions and Working
Techniques 2
Assembling the Unit 11
Adjusting the Throttle Cable 14
Fitting the Harness 14
4-MIX Engine 15
Fuel 15
Fueling 16
Winter Operation 18
Information Before You Start 19
Starting / Stopping the Engine 19
Operating Instructions 21
Replacing the Air Filter 22
Engine Management 22
Adjusting the Carburetor 23
Spark Plug 24
Spark Arresting Screen in Muffler 25
Rewind Starter 25
Storing the Machine 26
Inspections and Maintenance by
Dealer 26
Maintenance and Care 27
Main Parts 29
Specifications 30
Maintenance and Repairs 31
Disposal 32
STIHL Incorporated Federal
Emission Control Warranty
Statement 32
STIHL Incorporated California
Exhaust and Evaporative
Emissions Control Warranty
Statement 34
Trademarks 36