Contents

English

Original Instruction Manual

 

on chlorine-free paper

inks contain vegetable oils, paper can be recycled.

Printed

Printing

© ANDREAS STIHL AG & Co. KG, 2011 0458-207-8621-A. M50.E11.CP. 0000000367_003_GB

Guide to Using this Manual

Safety Precautions and Working Techniques

Cutting Attachment

Mounting the Bar and Chain (front chain tensioner)

Mounting the Bar and Chain (quick chain tensioner)

Tensioning the Saw Chain (front chain tensioner)

Tensioning the Saw Chain (quick chain tensioner)

Checking Chain Tension Fuel

Fueling

Chain Lubricant Filling Chain Oil Tank Checking Chain Lubrication Chain Brake

Starting / Stopping the Engine Operating Instructions Taking Care of the Guide Bar Shroud

Cleaning the Air Filter

Engine Management Adjusting the Carburetor Spark Arresting Screen in Muffler Spark Plug

Starter rope Storing the Machine

Checking and Replacing the Chain Sprocket

{

2Maintaining and Sharpening the Saw Chain

3Maintenance and Care

24Main Parts Specifications

24Special Accessories Ordering Spare Parts

25Maintenance and Repairs

STIHL Incorporated Federal

27Emission Control Warranty Statement

27STIHL Incorporated California

28Exhaust and Evaporative

28Emissions Control Warranty

29Statement

30Trademarks

30

31

31

32

36

37

37

38

38

38

39

39

40

41

41

Allow only persons who fully understand

42 this manual to operate your chain saw.

46 To receive maximum performance and

48satisfaction from your STIHL chain saw,

50it is important that you read, understand and follow the safety precautions and

51the operating and maintenance

52instructions in chapter "Safety

52Precautions and Working Techniques" before using your chain saw. For further information you can go to

53www.stihlusa.com.

Contact your STIHL dealer or the STIHL

distributor for your area if you do not understand any of the instructions in this

55manual.

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.

MS 170, MS 170 C, MS 180, MS 180 C

1