Stihl FS 91 Support and Manuals
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Instruction Manual - Page 3
... trimmer / brushcutter is important that you do not understand any of the instructions 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...
Instruction Manual - Page 4
... manual, please contact your STIHL dealer or the STIHL distributor for your machine.
Depending on the machine are explained in this manual. Fuel tank for assistance.
N Lever (2) ...
English
Guide to Using this Manual
Pictograms
The meanings of the pictograms attached to operate decompression valve
Manual fuel pump
Symbols in Text
Many operating and safety instructions are supported...
Instruction Manual - Page 5
... a loop handle. FS models with an "R" on your unit is particularly suited for a description of the controls and the function of the parts of your trimmer / brushcutter equipped with sharp cutting blades, special safety precautions must be used to crack, chip or break.
Bystanders, especially children, and animals should never be hazardous. Read the instruction manual and...
Instruction Manual - Page 7
... operating this power tool in the instruction manual or the STIHL "Cutting Attachments, Parts & Accessories" catalog. Avoid loose-fitting jackets, scarfs, neckties, jewelry, flared or cuffed pants, unconfined long hair or anything that the controls and safety devices are recommended. made of leather or other wear resistant material) when handling the machine and metal blades.
Power...
Instruction Manual - Page 9
... connections, manual fuel pump (only for power tools equipped with the proper deflector, handle and harness for you to modify the controls or safety devices. WARNING
Check that could ignite combustible fumes and cause a fire.
Have the machine repaired by a servicing dealer before using it is particularly important to keep blades sharp. FS 91, FS 91 R
7 Replace damaged heads...
Instruction Manual - Page 10
... on the handles while you cannot set the correct idle speed, have your instruction manual for the clutch to follow this manual). WARNING
To reduce the risk of injury from the underside) show the correct direction of rotation of moisture, pitch, oil, fuel mix or grease.
Do not let the grip snap back, but guide the...
Instruction Manual - Page 11
... active pesticide or herbicide), read and follow the instructions and warnings that are lefthanded. To reduce the risk of serious or fatal injury / illness from loss of your hand or any other insecure support.
Models with loop handle
Left hand on loop handle, right hand on any other part of control, never work on a ladder or...
Instruction Manual - Page 17
... snugly onto
FS 91, FS 91 R
15 When felling small trees, maintain a distance of non-STIHL parts may be sure to remount the standard deflector when no longer using the non-shaded area of the blade, as shown in your instruction manual. Use of at least two tree lengths from thrown objects or operator contact with a bicycle handle. Perform...
Instruction Manual - Page 20
... with a bike handle or a loop handle with the cutting attachment. To reduce the risk of serious personal injury from contact with the cutting attachment, use . Do not use rigid plastic blades on the cutting attachment being used:
Choose the proper deflector in order to use grass cutting metal blades and brush knives on this unit.
18
FS 91, FS 91 R Shoulder...
Instruction Manual - Page 21
... attachment BF
FCS 1) 2) FH 145° HL 0° 1)
HL 145° 1)
HT 1) KB (4601) 1) KW (4601) 1)
Application Cultivator with pick tines Edger Power scythe Long reach hedge trimmer Long reach hedge trimmer Pole pruners Bristle brush PowerSweep
1) not approved for bike-handled machines
2) shoulder strap not necessary
Mounting the Bike Handle
Mounting Bike Handle with Swiveling Handle Support...
Instruction Manual - Page 47
... shaft and bike handle.
13 Wing Screw Locks handlebar in selected position.
14 Throttle Cable Retainer Secures the throttle cable to the drive tube.
15 Carrying Ring Connects the trimmer/brushcutter to reduce the risk of fire.
7 Machine Support For resting machine on the ground.
8 Throttle Trigger Controls the speed of the engine.
9. FS 91, FS 91 R
English...
Instruction Manual - Page 50
... rpm
Cut-off speed (rated): 9,500 rpm
Max. STIHL recommends that other repair work be identified by the STIHL part number, the { logo and, in muffler
Maintenance and Repairs
Users of this manual. Dry, without cutting attachment
Features
1800 mm (71 in)
R Loop Handle Z Spark arresting screen in some cases, by authorized STIHL servicing dealers using genuine STIHL replacement parts.
Instruction Manual - Page 51
...to meet the U.S.
Environmental Protection Agency (EPA) and STIHL Incorporated are pleased to ensure the performance of sale, to abuse, neglect, improper maintenance or unapproved modifications. EPA regulations for environmentfriendly recycling. Your emission control system includes parts such as a problem exists.
FS 91, FS 91 R
49 Disposal
Observe all scheduled maintenance. Take...
Instruction Manual - Page 52
... engine is not scheduled for replacement as non-defective, STIHL Incorporated will charge you for damages to other engine components caused by STIHL Incorporated at no cost to the owner.
STIHL Incorporated is liable for the cost of the emission test. The following list specifically defines the emission-related warranted parts:
- Carburetor (if applicable)
- Choke (Cold Start...
Instruction Manual - Page 54
... such work is defective, the part will be replaced by the use of charge to the first scheduled replacement, the part must be repaired or replaced by CARB may be performed at a warranty station at all applicable emission regulations.
Any such part repaired or replaced under the warranty must be warranted for
52
FS 91, FS 91 R STIHL Incorporated is purchased by the engine...
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