Operation Manual

Original Instruction ManualPrinted on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
© ANDREAS STIHL AG & Co. KG, 2017 0458-391-8621-A. VA2.C17. 0000007092_009_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 2
Assembling the Unit 11
Adjusting the Throttle Cable 13
Fitting the Harness 13
Fuel 13
Fueling 15
Information Before You Start 15
Starting / Stopping the Engine 16
Operating Instructions 18
Replacing the Air Filter 19
Adjusting the Carburetor 19
Spark Plug 20
Spark Arresting Screen in Muffler 22
Storing the Machine 22
Inspections and Maintenance by
Dealer 22
Maintenance and Care 23
Main Parts 25
Specifications 26
Maintenance and Repairs 27
Disposal 27
Limited Warranty 28
STIHL Incorporated Federal
Emission Control Warranty
Statement 28
STIHL Incorporated California
Exhaust and Evaporative
Emissions Control Warranty
Statement 30
Trademarks 32