Original Instruction ManualPrinted on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
© ANDREAS STIHL AG & Co. KG, 2018
0458-391-8621-A. VA4.L18.
0000007092_011_GB
BR 450, BR 450 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
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 3
Assembling the Unit 11
Adjusting the Throttle Cable 13
Fitting the Harness 14
Fuel 14
Fueling 15
Information Before You Start 16
Starting / Stopping the Engine 16
Operating Instructions 19
Replacing the Air Filter 19
Adjusting the Carburetor 20
Spark Plug 21
Spark Arresting Screen in Muffler 22
Storing the Machine 23
Inspections and Maintenance by
Dealer 23
Maintenance and Care 24
Main Parts 26
Specifications 27
Maintenance and Repairs 28
Disposal 28
Limited Warranty 29
STIHL Incorporated Federal
Emission Control Warranty
Statement 29
STIHL Incorporated California
Exhaust and Evaporative
Emissions Control Warranty
Statement 31
Trademarks 33
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