Contents
{
MS 251, MS 251 C
2
Storing the Machine
Checking and Replacing the Chain
3
Sprocket
23
Maintaining and Sharpening the
Saw Chain
24
Maintenance and Care
Main Parts
25
Specifications
Special Accessories
27
Ordering Spare Parts
Maintenance and Repairs
27
Disposal
28
STIHL Incorporated Federal
28
Emission Control Warranty
29
Statement
32
Trademarks
33
33
34
35
35
40
41
41
42
42
43
43
44
44
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This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process
with electronic systems.
Allow only persons who fully understand
49
this manual to operate your chain saw.
To receive maximum performance and
49
satisfaction from your STIHL chain saw,
it is important that you read, understand
50
and follow the safety precautions and
54
the operating and maintenance
56
instructions in chapter "Safety
58
Precautions and Working Techniques"
before using your chain saw. For further
59
information you can go to
59
www.stihlusa.com.
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Contact your STIHL dealer or the STIHL
60
distributor for your area if you do not
understand any of the instructions in this
manual.
60
62
WARNING
Because a chain saw is a high-speed
wood-cutting tool, some special safety
precautions must be observed as with
any other power saw to reduce the risk
of personal injury. Careless or improper
use may cause serious or even fatal
injury.
English
1