Original Instruction ManualPrinted on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
© ANDREAS STIHL AG & Co. KG, 2020
0458-391-8621-A. VA7.L20.
0000007092_014_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 12
Adjusting the Throttle Cable 14
Fitting the Harness 15
Fuel 15
Fueling 16
Information Before You Start 18
Starting / Stopping the Engine 18
Operating Instructions 21
Replacing the Air Filter 21
Adjusting the Carburetor 22
Spark Plug 23
Spark Arresting Screen in Muffler 24
Storing the Machine 25
Inspections and Maintenance by
Dealer 25
Maintenance and Care 26
Main Parts 28
Specifications 29
Maintenance and Repairs 30
Disposal 30
Limited Warranty 31
STIHL Incorporated Federal
Emission Control Warranty
Statement 31
STIHL Incorporated California
Exhaust and Evaporative
Emissions Control Warranty
Statement 33
Trademarks 35
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