Instruction Manual

Original Instruction ManualPrinted on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
© ANDREAS STIHL AG & Co. KG, 2020 0458-207-8221-C. VA5.J20. 0000003179_014_GB
MS 170, MS 170 C, MS 180, MS 180 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
Dear Customer,
Thank you for choosing a quality
engineered STIHL product.
It has been built using modern
production techniques and
comprehensive quality assurance.
Every effort has been made to ensure
your satisfaction and trouble-free use of
the product.
Please contact your dealer or our sales
company if you have any queries
concerning this product.
Your
Dr. Nikolas Stihl
Guide to Using this Manual 2
Safety Precautions 3
Reactive Forces 8
Working Techniques 9
Cutting Attachment 18
Mounting the Bar and Chain (front
chain tensioner) 18
Mounting the Bar and Chain (quick
chain tensioner) 19
Mounting the Bar and Chain (side
chain tensioner) 21
Tensioning the Saw Chain (front
chain tensioner) 22
Tensioning the Saw Chain (quick
chain tensioner) 23
Tensioning the Saw Chain (side
chain tensioner) 23
Checking Chain Tension 23
Fuel 24
Fueling 25
Chain Lubricant 25
Filling Chain Oil Tank 26
Checking Chain Lubrication 26
Chain Brake 27
Starting / Stopping the Engine 28
Operating Instructions 31
Taking Care of the Guide Bar 32
Shroud 33
Cleaning the Air Filter 33
Engine Management 33
Adjusting the Carburetor 34
Spark Arresting Screen in Muffler 34
Spark Plug 35
Storing the Machine 36
Checking and Replacing the Chain
Sprocket 36
Maintaining and Sharpening the
Saw Chain 37
Maintenance and Care 41
Main Parts 43
Specifications 45
Ordering Spare Parts 46
Maintenance and Repairs 46
Disposal 47
Important Safety Instructions 47
Key to Symbols 49
STIHL Limited Emission Control
Warranty Statement 50
CSA Standard 52