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© AN
D
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AS STIH
L AG
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. KG
, 201
1
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58
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18
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168
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SP 451, SP 481
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
Using the Unit
6
Assembling the Unit
7
Adjusting the Throttle Cable
8
Fuel
8
Fueling
9
Starting / Stopping the Engine
10
Operating Instructions
13
Fitting the Harness
13
Transporting the Unit
15
Cleaning the Air Filter
16
Adjusting the Carburetor
16
Spark Plug
17
Engine Running Behavior
18
Replacing the Starter Rope and
Rewind Spring
19
Storing the Machine
20
Inspection and Maintenance by
User
21
Inspections and Maintenance by
Dealer
22
Maintenance and Care
23
Minimize Wear and Avoid Damage
25
Main Parts
26
Specifications
27
Special Accessories
28
Maintenance and Repairs
28
EC Declaration of Conformity
28
Quality Certification
29
