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BT 121
English
1
{
Contents
Dear Customer,
Thank you for choosing a quality
engineered STIHL product.
This machine has been built using
modern production techniques and
comprehensive quality assurance.
Every effort has been made to ensure
your satisfaction and troublefree use
of the machine.
Please contact your dealer or our
sales company if you have any
queries concerning your machine.
Your
Hans Peter Stihl
Guide to Using this Manual
2
Safety Precautions and Working
Techniques
2
Assembling the Unit
6
Adjusting the Throttle Cable
7
Fuel
7
Fueling
8
Auger Brake
9
Fitting the Auger
10
Starting / Stopping the Engine
10
Operating Instructions
13
Releasing a Trapped Auger
13
Cleaning the Air Filter
14
Engine Management
14
Adjusting the Carburetor
14
Checking the Spark Plug
16
Engine Running Behavior
17
Lubricating the Gearbox
17
Replacing the Starter Rope and
Rewind Spring
17
Storing the Machine
19
Inspections and Maintenance by
Dealer
19
Maintenance and Care
20
Main Parts
22
Specifications
23
Special Accessories
24
Maintenance and Repairs
24
STIHL Limited Emission Control
Warranty Statement
25