Contents
Introduction................................................. 2
Guide to Using this Manual.........................2
Overview..................................................... 3
Safety Precautions......................................4
Preparing the Saw for Operation.............. 11
Assembling the Saw................................. 11
Engaging and Disengaging the Chain Brake
.................................................................. 13
Mixing Fuel and Refueling the Chainsaw..13
Starting and Stopping the Engine............. 15
10 Checking the Saw..................................... 15
11 Operating the Saw.................................... 17
12 After Finishing Work..................................23
13 Transporting..............................................23
14 Storing.......................................................23
15 Cleaning....................................................23
16 Maintenance............................................. 25
17 Repairing...................................................26
18 Troubleshooting........................................ 26
19 Specifications............................................27
20 Bar and Chain Combinations.................... 28
21 Spare Parts and Accessories....................29
22 Disposal.................................................... 29
23 EC Declaration of Conformity................... 29
1
Introduction
Dear Customer,
Thank you for choosing STIHL. We develop and
manufacture our quality products to meet our
customers’ requirements. The products are
designed for reliability even under extreme con‐
ditions.
STIHL also stands for premium service quality.
Our dealers guarantee competent advice and
instruction as well as comprehensive service
support.
STIHL expressly commit themselves to a sus‐
tainable and responsible handling of natural
resources. This user manual is intended to help
you use your STIHL product safely and in an
environmentally friendly manner over a long
service life.
We thank you for your confidence in us and hope
you will enjoy working with your STIHL product.
Dr. Nikolas Stihl
IMPORTANT! READ BEFORE USING AND
KEEP IN A SAFE PLACE FOR REFERENCE.
2
Guide to Using this Manual
2.1
Symbols used with warnings in
the text
WARNING
■ This symbol indicates dangers that can cause
serious injuries or death.
► The measures indicated can avoid serious
injuries or death.
NOTICE
■ This symbol indicates dangers that can cause
damage to property.
► The measures indicated can avoid damage
to property.
2.2
Symbols in Text
This symbol refers to a chapter in this
instruction manual.
3
Overview
3.1
Chainsaw
8
10
9
11
13
14 15
17
12
16
18 19
7
6
3
4
5
20
2
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0000-GXX-A387-A0
English
2
0458-759-0121-D
© ANDREAS STIHL AG & Co. KG 2021
0458-759-0121-D. VA0.A21.
Printed on chlorine-free paper
Printing inks contain vegetable oils, paper can be recycled.
Translation of Original Instruction Manual
0000009002_003_GB
Summary of Contents for MS 661 C-M
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