Instruction Manual
Page 3
... area if you do not understand any 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 ... 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...
... area if you do not understand any 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 ... 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...
Instruction Manual
Page 11
...FS 91, FS 91 R 9 Working Conditions Operate and start your power tool with one hand. Substantial or repeated inhalation of the gases (e.g. English WARNING As soon as the engine is coated with a chemical substance (such as tree stumps, roots and ditches to have an allergic or asthmatic reaction. Models with bike handle... Right hand on control handle, left hand on slopes or uneven ground. Special care must be colorless and odorless. Never hold the ...
...FS 91, FS 91 R 9 Working Conditions Operate and start your power tool with one hand. Substantial or repeated inhalation of the gases (e.g. English WARNING As soon as the engine is coated with a chemical substance (such as tree stumps, roots and ditches to have an allergic or asthmatic reaction. Models with bike handle... Right hand on control handle, left hand on slopes or uneven ground. Special care must be colorless and odorless. Never hold the ...
Instruction Manual
Page 20
Cutting attachment - Cutting Attachments Mowing heads 1 STIHL SuperCut 20-2 2 STIHL AutoCut C 25-2 3 STIHL AutoCut C 26-2 4 STIHL AutoCut 25-2 5 STIHL AutoCut 36-2 6 STIHL TrimCut 31-2 7 STIHL DuroCut 20-2 8 STIHL PolyCut 20-3 Metal cutting attachments 9 Grass cutting blade 230-4 (230 mm dia.) 10 Grass cutting blade...saw blades on this unit. 18 FS 91, FS 91 R Shoulder strap/harness Select correct combination from contact with the cutting attachment, use grass cutting metal blades and brush knives on this unit only if equipped with a bike handle. Deflectors, Limit Stop 14 Deflector for...
Cutting attachment - Cutting Attachments Mowing heads 1 STIHL SuperCut 20-2 2 STIHL AutoCut C 25-2 3 STIHL AutoCut C 26-2 4 STIHL AutoCut 25-2 5 STIHL AutoCut 36-2 6 STIHL TrimCut 31-2 7 STIHL DuroCut 20-2 8 STIHL PolyCut 20-3 Metal cutting attachments 9 Grass cutting blade 230-4 (230 mm dia.) 10 Grass cutting blade...saw blades on this unit. 18 FS 91, FS 91 R Shoulder strap/harness Select correct combination from contact with the cutting attachment, use grass cutting metal blades and brush knives on this unit only if equipped with a bike handle. Deflectors, Limit Stop 14 Deflector for...
Instruction Manual
Page 21
... strap not necessary Mounting the Bike Handle Mounting Bike Handle with Swiveling Handle Support The machine is supplied with the swiveling handle support already mounted on the wing screw. the washer (6) remains on the shaft. N Hold the lower clamp (1) and upper clamp (2) firmly together. FS 91, FS 91 R 19 Approved Power Tool Attachments The following STIHL attachments may be mounted to...
... strap not necessary Mounting the Bike Handle Mounting Bike Handle with Swiveling Handle Support The machine is supplied with the swiveling handle support already mounted on the wing screw. the washer (6) remains on the shaft. N Hold the lower clamp (1) and upper clamp (2) firmly together. FS 91, FS 91 R 19 Approved Power Tool Attachments The following STIHL attachments may be mounted to...
Instruction Manual
Page 33
... least five times - the engine is still cold. Starting / Stopping the Engine Controls Version with Loop Handle 3 1 Starting the Engine English 0000-GXX-0494-A0 0000-GXX-0477-A0 0000-GXX-0478-A0 Version with Bike Handle 2 3 2 1 1 Throttle trigger lockout 2 Throttle trigger 3 Stop switch with Run and Stop positions...switch (...) to the position that suits the engine temperature: g if the engine is already filled with Run and Stop positions. FS 91, FS 91 R 31 also use this posi- Depress the stop switch is switched on again after the engine stops - N Press in position.
... least five times - the engine is still cold. Starting / Stopping the Engine Controls Version with Loop Handle 3 1 Starting the Engine English 0000-GXX-0494-A0 0000-GXX-0477-A0 0000-GXX-0478-A0 Version with Bike Handle 2 3 2 1 1 Throttle trigger lockout 2 Throttle trigger 3 Stop switch with Run and Stop positions...switch (...) to the position that suits the engine temperature: g if the engine is already filled with Run and Stop positions. FS 91, FS 91 R 31 also use this posi- Depress the stop switch is switched on again after the engine stops - N Press in position.
Instruction Manual
Page 46
English Main Parts 9 8 10 45 23 1 6 # 11 13 7 16 21 14 15 14 17 12 18 19 21 20 15 9 10 8 1 Fuel Filler Cap 2 Carburetor Adjusting Screws 3 Starter Grip 4 Manual Fuel Pump 5 Cover 6 Muffler with Spark Arresting Screen 7 Machine Support 8 Throttle Trigger 9 Stop Switch 10 Throttle Trigger Lockout 11 Bike Handle 12 Handle Support 13 Wing Screw 14 Throttle Cable Retainer 15 Carrying Ring 16 Choke Knob 17 Air Filter Cover 18 Fuel Tank 19 Loop Handle 20 Barrier Bar 21 Drive Tube # Serial Number 0000-GXX-0514-A0 44 FS 91, FS 91 R
English Main Parts 9 8 10 45 23 1 6 # 11 13 7 16 21 14 15 14 17 12 18 19 21 20 15 9 10 8 1 Fuel Filler Cap 2 Carburetor Adjusting Screws 3 Starter Grip 4 Manual Fuel Pump 5 Cover 6 Muffler with Spark Arresting Screen 7 Machine Support 8 Throttle Trigger 9 Stop Switch 10 Throttle Trigger Lockout 11 Bike Handle 12 Handle Support 13 Wing Screw 14 Throttle Cable Retainer 15 Carrying Ring 16 Choke Knob 17 Air Filter Cover 18 Fuel Tank 19 Loop Handle 20 Barrier Bar 21 Drive Tube # Serial Number 0000-GXX-0514-A0 44 FS 91, FS 91 R
Instruction Manual
Page 47
FS 91, FS 91 R English 45 Definitions 1 Fuel Filler Cap For closing the fuel tank. 2 Carburetor Adjusting Screws ... Filter Cover Encloses and protects the air filter element. 18 Fuel Tank For fuel and oil mixture. 19 Loop Handle For easy control of machine during cutting work. 20 Barrier Bar Helps keep user's feet and legs clear of ...start. 5 Cover Covers and protects the spark plug. 6 Muffler with both hands during cutting work. 12 Handle Support Connects the shaft and bike handle. 13 Wing Screw Locks handlebar in selected position. 14 Throttle Cable Retainer Secures the throttle cable to the ...
FS 91, FS 91 R English 45 Definitions 1 Fuel Filler Cap For closing the fuel tank. 2 Carburetor Adjusting Screws ... Filter Cover Encloses and protects the air filter element. 18 Fuel Tank For fuel and oil mixture. 19 Loop Handle For easy control of machine during cutting work. 20 Barrier Bar Helps keep user's feet and legs clear of ...start. 5 Cover Covers and protects the spark plug. 6 Muffler with both hands during cutting work. 12 Handle Support Connects the shaft and bike handle. 13 Wing Screw Locks handlebar in selected position. 14 Throttle Cable Retainer Secures the throttle cable to the ...