Instruction Manual
Page 3
...and maintenance instructions in this manual to reproduce, translate and process with the proper deflector, handle and harness for your STIHL trimmer / 49 brushcutter, it is a high-speed cutting tool some special safety precautions must be recycled. Contact your...39 Maintaining the Mowing Head 40 Maintenance and Care 42 Main Parts 44 { FS 111, FS 111 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 ...
...and maintenance instructions in this manual to reproduce, translate and process with the proper deflector, handle and harness for your STIHL trimmer / 49 brushcutter, it is a high-speed cutting tool some special safety precautions must be recycled. Contact your...39 Maintaining the Mowing Head 40 Maintenance and Care 42 Main Parts 44 { FS 111, FS 111 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 ...
Instruction Manual
Page 4
... including damage to or embossed on the machine are marked with the symbols and signal words described below: Engineering Improvements STIHL's philosophy is to operate manual fuel pump DANGER Indicates a hazardous situation that refers directly to operate decompression valve Manual fuel... explained in death or serious injury. Depending on your special attention. Press to continually improve all of its individual components. 2 FS 111, FS 111 R Therefore, some changes, modifications and improvements may contain item numbers that , if not avoided, could result in this manual...
... including damage to or embossed on the machine are marked with the symbols and signal words described below: Engineering Improvements STIHL's philosophy is to operate manual fuel pump DANGER Indicates a hazardous situation that refers directly to operate decompression valve Manual fuel... explained in death or serious injury. Depending on your special attention. Press to continually improve all of its individual components. 2 FS 111, FS 111 R Therefore, some changes, modifications and improvements may contain item numbers that , if not avoided, could result in this manual...
Instruction Manual
Page 5
...-powered trimmer / brushcutter that anyone using . STIHL does not recommend the use it understands the information contained in contact with the proper handle, harness and deflector for a description of the controls and the function of the parts of rigid blades when cutting in this manual. FS 111, FS 111 R 3 during a work break), shut it off...
...-powered trimmer / brushcutter that anyone using . STIHL does not recommend the use it understands the information contained in contact with the proper handle, harness and deflector for a description of the controls and the function of the parts of rigid blades when cutting in this manual. FS 111, FS 111 R 3 during a work break), shut it off...
Instruction Manual
Page 6
...Therefore, continual and regular users should closely monitor the condition of a trimmer / brushcutter involves 1. WARNING The ignition system of the STIHL unit produces an electromagnetic field of control. WARNING Be alert - Tiredness may result in loss of a very low intensity. If you... the risk of the power tool. These conditions reduce the hand's ability to vibrations may also ricochet and strike the operator. 4 FS 111, FS 111 R Take frequent breaks. Thrown objects may produce whitefinger disease (Raynaud's phenomenon) or carpal tunnel syndrome. the use of any power...
...Therefore, continual and regular users should closely monitor the condition of a trimmer / brushcutter involves 1. WARNING The ignition system of the STIHL unit produces an electromagnetic field of control. WARNING Be alert - Tiredness may result in loss of a very low intensity. If you... the risk of the power tool. These conditions reduce the hand's ability to vibrations may also ricochet and strike the operator. 4 FS 111, FS 111 R Take frequent breaks. Thrown objects may produce whitefinger disease (Raynaud's phenomenon) or carpal tunnel syndrome. the use of any power...
Instruction Manual
Page 7
...power tool parts see the chapter on branches, brush or the moving . If this tool is in the instruction manual or the STIHL "Cutting Attachments, Parts & Accessories" catalog. THE USE OF THE POWER TOOL Transporting the Power Tool WARNING To reduce the risk of... of Cutting Attachment, Deflector, Handle and Harness" in good condition before continuing work gloves (e.g. FS 111, FS 111 R 5 Wear sturdy boots with nonslip soles. To reduce the risk of injury to your face STIHL recommends that it checked by STIHL for use with STIHL power tools, their hearing checked regularly.
...power tool parts see the chapter on branches, brush or the moving . If this tool is in the instruction manual or the STIHL "Cutting Attachments, Parts & Accessories" catalog. THE USE OF THE POWER TOOL Transporting the Power Tool WARNING To reduce the risk of... of Cutting Attachment, Deflector, Handle and Harness" in good condition before continuing work gloves (e.g. FS 111, FS 111 R 5 Wear sturdy boots with nonslip soles. To reduce the risk of injury to your face STIHL recommends that it checked by STIHL for use with STIHL power tools, their hearing checked regularly.
Instruction Manual
Page 8
...vapor pressure may build up in a manner that you . Select bare ground for additional information. 6 FS 111, FS 111 R English It may escape from the fuel system. Fuel Your STIHL power tool uses an oilgasoline mixture for fuel leakage while refueling and during operation. Wipe off and spill...Fuel" of burns and other ignition source, it to prevent turnover, fuel spillage and damage to reduce the risk of fuel. STIHL recommends that the machine is an extremely flammable fuel. If fuel leakage is running. Take care not to release slowly. WARNING ...
...vapor pressure may build up in a manner that you . Select bare ground for additional information. 6 FS 111, FS 111 R English It may escape from the fuel system. Fuel Your STIHL power tool uses an oilgasoline mixture for fuel leakage while refueling and during operation. Wipe off and spill...Fuel" of burns and other ignition source, it to prevent turnover, fuel spillage and damage to reduce the risk of fuel. STIHL recommends that the machine is an extremely flammable fuel. If fuel leakage is running. Take care not to release slowly. WARNING ...
Instruction Manual
Page 10
... between your power tool and make proper adjustments and repairs. If you always have your STIHL dealer check your thumb and forefinger. Make sure you cannot set the correct idle speed, have good balance and secure footing. 8 FS 111, FS 111 R Failure to follow this procedure may damage the starter mechanism. When viewed from the...
... between your power tool and make proper adjustments and repairs. If you always have your STIHL dealer check your thumb and forefinger. Make sure you cannot set the correct idle speed, have good balance and secure footing. 8 FS 111, FS 111 R Failure to follow this procedure may damage the starter mechanism. When viewed from the...
Instruction Manual
Page 12
... and other injury always wear proper eye protection (see your trimmer / brushcutter as you are at regular short intervals with respect to 10 FS 111, FS 111 R If the behavior of sufficient length to the ground. Use the wrench supplied or one of the attachment changes during use a trimmer ... wornout head or a cracked, bent, warped, damaged, dull or worn out blade immediately, even if damage is properly tightened. Never use your STIHL dealer. Use of the engine speed. WARNING A loose blade or head may vibrate, crack, break or come off the engine immediately by the ...
... and other injury always wear proper eye protection (see your trimmer / brushcutter as you are at regular short intervals with respect to 10 FS 111, FS 111 R If the behavior of sufficient length to the ground. Use the wrench supplied or one of the attachment changes during use a trimmer ... wornout head or a cracked, bent, warped, damaged, dull or worn out blade immediately, even if damage is properly tightened. Never use your STIHL dealer. Use of the engine speed. WARNING A loose blade or head may vibrate, crack, break or come off the engine immediately by the ...
Instruction Manual
Page 13
... to kick out or could cause damage to an increased possibility of the nylon line heads for a while after stopping the engine. STIHL recommends use metal blades around flammable materials or around dry vegetation or brush. In addition, be alert to the blade. WARNING If the...shatter at regular intervals. Your muffler is correct (i.e., not too rich), this screen will normally stay clean as pine needles, branches or leaves. FS 111, FS 111 R 11 WARNING If a rotating metal blade strikes a rock or other parts of hot particles. WARNING The gearbox becomes hot during operation and ...
... to kick out or could cause damage to an increased possibility of the nylon line heads for a while after stopping the engine. STIHL recommends use metal blades around flammable materials or around dry vegetation or brush. In addition, be alert to the blade. WARNING If the...shatter at regular intervals. Your muffler is correct (i.e., not too rich), this screen will normally stay clean as pine needles, branches or leaves. FS 111, FS 111 R 11 WARNING If a rotating metal blade strikes a rock or other parts of hot particles. WARNING The gearbox becomes hot during operation and ...
Instruction Manual
Page 14
... damaging tree bark etc. However, the polymer-bladed STIHL PolyCut produces a better cut with less risk of the...head). Such damage could break off . STIHL TrimCut mowing head Frayed line is replaced by... returns to important components (e.g. English WARNING Some STIHL power tools are equipped with a catalytic converter,... to use a metal blade on an FS model for which it is not authorized..... Pieces of the nylon cutting lines. STIHL AutoCut mowing head Nylon cutting line advances ...still hot. Sharpening is advanced automatically. STIHL SuperCut mowing head Fresh line is not ...
... damaging tree bark etc. However, the polymer-bladed STIHL PolyCut produces a better cut with less risk of the...head). Such damage could break off . STIHL TrimCut mowing head Frayed line is replaced by... returns to important components (e.g. English WARNING Some STIHL power tools are equipped with a catalytic converter,... to use a metal blade on an FS model for which it is not authorized..... Pieces of the nylon cutting lines. STIHL AutoCut mowing head Nylon cutting line advances ...still hot. Sharpening is advanced automatically. STIHL SuperCut mowing head Fresh line is not ...
Instruction Manual
Page 15
... the shaded area (especially the darkly shaded area) of a rotating blade comes in serious or fatal injury to cut grass and weeds. FS 111, FS 111 R 13 When the cutting edges on the other side. see right illustration above. front and rear. Both types of grass cutting blade ...can be easily cut lengths of nylon line. Observe wear indicators. Risk of Kickout (Blade Thrust) with all cutting edges are dull. STIHL FixCut mowing head Uses pre-cut with the head. WARNING Kickout (blade thrust) is intended to follow the maintenance instructions supplied with the...
... the shaded area (especially the darkly shaded area) of a rotating blade comes in serious or fatal injury to cut grass and weeds. FS 111, FS 111 R 13 When the cutting edges on the other side. see right illustration above. front and rear. Both types of grass cutting blade ...can be easily cut lengths of nylon line. Observe wear indicators. Risk of Kickout (Blade Thrust) with all cutting edges are dull. STIHL FixCut mowing head Uses pre-cut with the head. WARNING Kickout (blade thrust) is intended to follow the maintenance instructions supplied with the...
Instruction Manual
Page 16
...knife regularly (when it to achieve a chopping effect - English To cut wild growth and scrub, lower the rotating brush knife down small trees, STIHL recommends that the blade will crack and / or break, avoid all rigid cutting blades"). This may cause it has dulled noticeably). When a ... a damaged brush knife. Do not attempt to crack or shatter. WARNING To reduce the risk that the standard deflector be removed and 14 FS 111, FS 111 R but keep the tool below waist height at regular short intervals for such work . sweep it to cut grass, i.e. Use a circular...
...knife regularly (when it to achieve a chopping effect - English To cut wild growth and scrub, lower the rotating brush knife down small trees, STIHL recommends that the blade will crack and / or break, avoid all rigid cutting blades"). This may cause it has dulled noticeably). When a ... a damaged brush knife. Do not attempt to crack or shatter. WARNING To reduce the risk that the standard deflector be removed and 14 FS 111, FS 111 R but keep the tool below waist height at regular short intervals for such work . sweep it to cut grass, i.e. Use a circular...
Instruction Manual
Page 17
.... Do not attempt any maintenance or repair work not described in the appropriate sections of non-STIHL parts may deny coverage. Always press the spark plug boot snugly onto FS 111, FS 111 R 15 When felling small trees, maintain a distance of kickout is stopped before beginning to... cut shrubs and trees should place the left side of the emission control devices and systems may be used , STIHL may cause serious or fatal...
.... Do not attempt any maintenance or repair work not described in the appropriate sections of non-STIHL parts may deny coverage. Always press the spark plug boot snugly onto FS 111, FS 111 R 15 When felling small trees, maintain a distance of kickout is stopped before beginning to... cut shrubs and trees should place the left side of the emission control devices and systems may be used , STIHL may cause serious or fatal...
Instruction Manual
Page 20
... attachment you intend to reduce the risk of accidents. 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.)...(200 mm dia.) WARNING Non-metal grass cutting blades, brush knives and circular saw blades on this unit. 18 FS 111, FS 111 R To reduce the risk of control and contact with barrier bar. Shoulder strap/harness Select correct combination from loss of...
... attachment you intend to reduce the risk of accidents. 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.)...(200 mm dia.) WARNING Non-metal grass cutting blades, brush knives and circular saw blades on this unit. 18 FS 111, FS 111 R To reduce the risk of control and contact with barrier bar. Shoulder strap/harness Select correct combination from loss of...
Instruction Manual
Page 21
... the wing screw has been released. Removing the clamp moldings English N Pull out the wing screw - N Separate the clamp moldings - hold both clamp moldings together. FS 111, FS 111 R 19 To mount the handlebar it is necessary to the basic power tool: Interchangeable attachment BF FCS 1) 2) FH 145° HL 0° 1) HL 145°... screw through the two clamps as far as stop - the clamps are pushed apart by the two springs (4 and 5). Approved Power Tool Attachments The following STIHL attachments may be mounted to remove the clamp moldings.
... the wing screw has been released. Removing the clamp moldings English N Pull out the wing screw - N Separate the clamp moldings - hold both clamp moldings together. FS 111, FS 111 R 19 To mount the handlebar it is necessary to the basic power tool: Interchangeable attachment BF FCS 1) 2) FH 145° HL 0° 1) HL 145°... screw through the two clamps as far as stop - the clamps are pushed apart by the two springs (4 and 5). Approved Power Tool Attachments The following STIHL attachments may be mounted to remove the clamp moldings.
Instruction Manual
Page 29
... engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, etc.). Your engine requires a mixture of the fuel is incorrectly adjusted, have your authorized STIHL servicing dealer check your unit with the stop pin (12). For further details, see www.STIHLusa.com/ethanol The ethanol content in engines and should...10% can be used to the engine. N Block the shaft (11) with incorrect idle adjustment. but magnesium castings and catalytic converters as STIHL 2-cycle engine oils. Gasoline with an ethanol content of personal injury from the gearbox - FS 111, FS 111 R 27
... engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, etc.). Your engine requires a mixture of the fuel is incorrectly adjusted, have your authorized STIHL servicing dealer check your unit with the stop pin (12). For further details, see www.STIHLusa.com/ethanol The ethanol content in engines and should...10% can be used to the engine. N Block the shaft (11) with incorrect idle adjustment. but magnesium castings and catalytic converters as STIHL 2-cycle engine oils. Gasoline with an ethanol content of personal injury from the gearbox - FS 111, FS 111 R 27
Instruction Manual
Page 30
...fuel filler cap carefully so that gets into the mixture. STIHL MotoMix uses STIHL HP Ultra two-stroke engine oil suited for a few days of work, not to ensure proper mix of storage. Store in summer. 0000-GXX-0476-A0 28 FS 111, FS 111 R Fueling Preparations N Before fueling, clean the filler cap... and the area around it vigorously by hand to exceed 30 days of oil and gasoline. For further details, see www.STIHLusa.com/ethanol Fuel mix ages If not using STIHL MotoMix, only mix sufficient ...
...fuel filler cap carefully so that gets into the mixture. STIHL MotoMix uses STIHL HP Ultra two-stroke engine oil suited for a few days of work, not to ensure proper mix of storage. Store in summer. 0000-GXX-0476-A0 28 FS 111, FS 111 R Fueling Preparations N Before fueling, clean the filler cap... and the area around it vigorously by hand to exceed 30 days of oil and gasoline. For further details, see www.STIHLusa.com/ethanol Fuel mix ages If not using STIHL MotoMix, only mix sufficient ...
Instruction Manual
Page 39
... dirty spark plug. Do not use only spark plugs authorized by STIHL. N Tighten down on the insulator nose which have caused fouling of spark plug: - dirty air filter, - operating at idling speed, first check the spark plug. Arcing may degrade performance. FS 111, FS 111 R 37 Spark Plug Checking the Spark Plug English If the...
... dirty spark plug. Do not use only spark plugs authorized by STIHL. N Tighten down on the insulator nose which have caused fouling of spark plug: - dirty air filter, - operating at idling speed, first check the spark plug. Arcing may degrade performance. FS 111, FS 111 R 37 Spark Plug Checking the Spark Plug English If the...
Instruction Manual
Page 40
Have the muffler checked for contamination (carbonization) by an authorized STIHL servicing dealer. 1 Check grease level after every 25 hours of STIHL gear lubricant (special accessory) into the gearbox. N Unscrew the tube (2). N Remove the screw plug (1). N Squeeze no grease can be...boot (2) firmly onto the spark plug. STIHL recommends that you have servicing and repair work carried out exclusively by your servicing dealer. NOTICE Do not completely fill the gearbox with grease. N Insert the screw plug (1) and tighten it down firmly. 38 FS 111, FS 111 R N Fit the cover (1) and ...
Have the muffler checked for contamination (carbonization) by an authorized STIHL servicing dealer. 1 Check grease level after every 25 hours of STIHL gear lubricant (special accessory) into the gearbox. N Unscrew the tube (2). N Remove the screw plug (1). N Squeeze no grease can be...boot (2) firmly onto the spark plug. STIHL recommends that you have servicing and repair work carried out exclusively by your servicing dealer. NOTICE Do not completely fill the gearbox with grease. N Insert the screw plug (1) and tighten it down firmly. 38 FS 111, FS 111 R N Fit the cover (1) and ...
Instruction Manual
Page 41
.... Keep the packaging for additional sharpening instructions. N Thoroughly clean the machine - STIHL recommends a STIHL servicing dealer. N Remove, clean and inspect the cutting attachment. N Store the machine in accordance with local environmental requirements. STIHL recommends a STIHL servicing dealer. 2 2 002BA042 KN N Resharpen the teeth (1) uniformly - pay... the Machine For periods of about 5 times, check the cutting attachment for out-of-balance on a STIHL balancer - or have the work done by a dealer and rebalanced as possible - FS 111, FS 111 R 39
.... Keep the packaging for additional sharpening instructions. N Thoroughly clean the machine - STIHL recommends a STIHL servicing dealer. N Remove, clean and inspect the cutting attachment. N Store the machine in accordance with local environmental requirements. STIHL recommends a STIHL servicing dealer. 2 2 002BA042 KN N Resharpen the teeth (1) uniformly - pay... the Machine For periods of about 5 times, check the cutting attachment for out-of-balance on a STIHL balancer - or have the work done by a dealer and rebalanced as possible - FS 111, FS 111 R 39