Instruction Manual

Original Instruction ManualPrinted on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
© ANDREAS STIHL AG & Co. KG, 2020 0458-207-8321-B. VA2.J20. 0000006694_008_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
Tensioning the Saw Chain (front
chain tensioner) 21
Tensioning the Saw Chain (quick
chain tensioner) 22
Checking Chain Tension 22
Fuel 22
Fueling 23
Chain Lubricant 24
Filling Chain Oil Tank 24
Checking Chain Lubrication 25
Chain Brake 25
Starting / Stopping the Engine 26
Operating Instructions 30
Taking Care of the Guide Bar 31
Shroud 31
Cleaning the Air Filter 32
Adjusting the Carburetor 32
Spark Arresting Screen in Muffler 33
Spark Plug 33
Storing the Machine 34
Checking and Replacing the Chain
Sprocket 34
Maintaining and Sharpening the
Saw Chain 35
Maintenance and Care 39
Main Parts 41
Specifications 42
Ordering Spare Parts 43
Maintenance and Repairs 44
Disposal 44
EC Declaration of Conformity 44