Stihl FS 91 Instruction Manual - Page 3

Contents English Original Instruction Manual Printed on chlorine-free paper Printing inks contain vegetable oils, paper can be recycled. Guide to Using this Manual 2 Safety Precautions and Working Techniques 3 Approved Combinations of Cutting Attachment, Deflector, Handle and Harness 17 Approved Power Tool Attachments 19 Mounting the Bike Handle 19 Mounting the Loop Handle 21 Adjusting the Throttle Cable 22 Fitting the Carrying Ring 23 Mounting the deflector 23 Mounting the Cutting Attachment 24 Fuel 27 Fueling 28 Fitting the Harness 29 Balancing the Machine 30 Starting / Stopping the Engine 31 Transporting the Unit 33 Operating Instructions 35 Replacing the Air Filter 35 Engine Management 36 Adjusting the Carburetor 36 Spark Arresting Screen in Muffler 36 Spark Plug 37 Engine Running Behavior 38 Lubricating the Gearbox 38 Storing the Machine 39 Sharpening Metal Cutting Blades 39 Maintaining the Mowing Head 40 Maintenance and Care 42 Main Parts 44 { FS 91, FS 91 R Specifications Maintenance and Repairs Disposal STIHL Incorporated Federal Emission Control Warranty Statement STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement Trademarks 47 Allow only persons who fully understand 48 this manual to operate your trimmer / brushcutter. 49 To receive maximum performance and satisfaction from your STIHL trimmer / 49 brushcutter, it is important that you read, understand and follow the safety precautions and the operating and maintenance instructions in chapter "Safety Precautions and Working 51 Techniques" before using your trimmer / 53 brushcutter. For further information you can go to www.stihlusa.com. Contact your STIHL dealer or the STIHL distributor for your area if you do not understand any of the instructions in this manual. WARNING Because a trimmer / brushcutter is a high-speed cutting tool some special safety precautions must be observed to reduce the risk of personal injury. Careless or improper use may cause serious or even fatal injury. Make sure your unit is equipped with the proper deflector, handle and harness for the type of cutting attachment being used. Always wear proper eye protection. This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process with electronic systems. 1 © ANDREAS STIHL AG & Co. KG, 2016 0458-426-8621-A. VA0.E16. 0000007402_001_GB