Product Instruction Manual
Page 3
...15 Mounting the Loop Handle 16 Adjusting the Throttle Cable 16 Fitting the Carrying Ring 17 Mounting the Cutting Attachment 17 4-MIX Engine 19 Fuel 19 Fueling 20 Fitting the Harness 22 Balancing the Trimmer/Brushcutter 22 Starting /... Special Accessories 36 Maintenance and Repairs 36 STIHL Incorporated Federal Emission Control Warranty Statement STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement Trademarks { FS 100 RX English Allow only persons who fully understand this manual. © ANDREAS STIHL AG & Co. Warning! KG, 2011...
...15 Mounting the Loop Handle 16 Adjusting the Throttle Cable 16 Fitting the Carrying Ring 17 Mounting the Cutting Attachment 17 4-MIX Engine 19 Fuel 19 Fueling 20 Fitting the Harness 22 Balancing the Trimmer/Brushcutter 22 Starting /... Special Accessories 36 Maintenance and Repairs 36 STIHL Incorporated Federal Emission Control Warranty Statement STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement Trademarks { FS 100 RX English Allow only persons who fully understand this manual. © ANDREAS STIHL AG & Co. Warning! KG, 2011...
Product Instruction Manual
Page 4
...illustration. As a result, engineering changes and improvements are marked with the symbols and signal words described below: Engineering Improvements STIHL's philosophy is to continually improve all of its individual components. 2 FS 100 RX Indicates a hazardous situation which, if not avoided, could result in the manual may be on your machine. Depending ... in severe or fatal injury. Example: N Loosen the screw (1). N Lever (2) ... English Guide to Using this Manual Pictograms The meanings of the pictograms attached to or embossed on the machine are supported by illustrations.
...illustration. As a result, engineering changes and improvements are marked with the symbols and signal words described below: Engineering Improvements STIHL's philosophy is to continually improve all of its individual components. 2 FS 100 RX Indicates a hazardous situation which, if not avoided, could result in the manual may be on your machine. Depending ... in severe or fatal injury. Example: N Loosen the screw (1). N Lever (2) ... English Guide to Using this Manual Pictograms The meanings of the pictograms attached to or embossed on the machine are supported by illustrations.
Product Instruction Manual
Page 5
... that may be mounted on it. The use of cutting attachments that anyone using . Striking such objects could damage the cutting attachment. Warning! Most of the power tool FS 100 RX 3 Safe use of these Safety Precautions, to the machine. the operator 2. Warning! Observe all STIHL trimmers. Minors should not be allowed in contact with your...
... that may be mounted on it. The use of cutting attachments that anyone using . Striking such objects could damage the cutting attachment. Warning! Most of the power tool FS 100 RX 3 Safe use of these Safety Precautions, to the machine. the operator 2. Warning! Observe all STIHL trimmers. Minors should not be allowed in contact with your...
Product Instruction Manual
Page 6
...objects (gravel, glass, wire, etc.) thrown back by the rotating cutting attachment. Therefore, continual and regular users should wear proper protective apparel. Warning! Warning! Working with constant, excessive pressure. Most STIHL power tools are fatigued. If any power tool can be strenuous. The ... the machine to feel and regulate temperature, produce numbness and burning sensations and may also ricochet and strike the operator. 4 FS 100 RX Be alert - The deflector provided with damaged or worn AV elements will not protect the operator from all times, but cold...
...objects (gravel, glass, wire, etc.) thrown back by the rotating cutting attachment. Therefore, continual and regular users should wear proper protective apparel. Warning! Warning! Working with constant, excessive pressure. Most STIHL power tools are fatigued. If any power tool can be strenuous. The ... the machine to feel and regulate temperature, produce numbness and burning sensations and may also ricochet and strike the operator. 4 FS 100 RX Be alert - The deflector provided with damaged or worn AV elements will not protect the operator from all times, but cold...
Product Instruction Manual
Page 7
... risk of movement. Good footing is above shoulder level. Only attachments supplied by STIHL and expressly approved by STIHL for your hands. In case of doubt, have their use with ANSI Z 87.1 (or your legs. It may , in particular that you . 389BA019 KN FS 100 RX 5 Grip the shaft in a horizontal position. Wear sound barriers (ear...
... risk of movement. Good footing is above shoulder level. Only attachments supplied by STIHL and expressly approved by STIHL for your hands. In case of doubt, have their use with ANSI Z 87.1 (or your legs. It may , in particular that you . 389BA019 KN FS 100 RX 5 Grip the shaft in a horizontal position. Wear sound barriers (ear...
Product Instruction Manual
Page 8
Always shut off the engine and make sure the cutting attachment has stopped before starting your power tool carefully so as it... To reduce the risk of your clothing. Check for fueling and move at a 90° angle. If this STIHL cap, raise the grip on "Fuel" of serious injury from burns, never attempt to release slowly. Always shut off...engine. When transporting it in the tank to refuel the unit until it will go (approx. 1/4 turn). 6 FS 100 RX If spilled and ignited by a spark or other personal injury from the operator. Fueling Instructions Warning! To do this ...
Always shut off the engine and make sure the cutting attachment has stopped before starting your power tool carefully so as it... To reduce the risk of your clothing. Check for fueling and move at a 90° angle. If this STIHL cap, raise the grip on "Fuel" of serious injury from burns, never attempt to release slowly. Always shut off...engine. When transporting it in the tank to refuel the unit until it will go (approx. 1/4 turn). 6 FS 100 RX If spilled and ignited by a spark or other personal injury from the operator. Fueling Instructions Warning! To do this ...
Product Instruction Manual
Page 9
...cap clockwise, closing it may cause the blade or head to fly off and spill quantities of fuel. immediately stop switch, cutting attachment, deflector and harness. Unit vibrations can result from handling, cleaning or an improper attempt at all required parts. Always check your...N If your authorized STIHL dealer for proper condition and operation before using the power tool. Do not attach any cutting attachment to a unit without proper installation of all times; Inspect for you must move freely and always spring back to the idle position. FS 100 RX 7 Never use the...
...cap clockwise, closing it may cause the blade or head to fly off and spill quantities of fuel. immediately stop switch, cutting attachment, deflector and harness. Unit vibrations can result from handling, cleaning or an improper attempt at all required parts. Always check your...N If your authorized STIHL dealer for proper condition and operation before using the power tool. Do not attach any cutting attachment to a unit without proper installation of all times; Inspect for you must move freely and always spring back to the idle position. FS 100 RX 7 Never use the...
Product Instruction Manual
Page 10
...! Warning! Starting Start the engine at all other obstructions and objects, including the ground, because when the engine starts at idle, attach the power tool to rewind it properly. Do not allow the engine to slow down to adjust idle speed, see the appropriate section...power tool is equipped with the proper deflector, handle and harness for the clutch to suit your instruction manual. 8 FS 100 RX At correct idle speed, the cutting attachment should release the starting instructions, see chart in case of an emergency, practise releasing the unit from the harness as...
...! Warning! Starting Start the engine at all other obstructions and objects, including the ground, because when the engine starts at idle, attach the power tool to rewind it properly. Do not allow the engine to slow down to adjust idle speed, see the appropriate section...power tool is equipped with the proper deflector, handle and harness for the clutch to suit your instruction manual. 8 FS 100 RX At correct idle speed, the cutting attachment should release the starting instructions, see chart in case of an emergency, practise releasing the unit from the harness as...
Product Instruction Manual
Page 11
... set the correct idle speed, have your hand or any other reproductive harm. Work carefully. FS 100 RX 9 If you are working on any other part of moisture, pitch, oil, fuel mix ... and repairs. English Warning! As soon as tree stumps, roots and ditches to have your STIHL dealer check your power tool only outdoors in difficult, overgrown terrain. carbon monoxide) may result... ladder or on slopes or uneven ground. Warning! Never touch a moving cutting attachment with one hand. Special care must be colorless and odorless. During Operation Holding and Controlling the ...
... set the correct idle speed, have your hand or any other reproductive harm. Work carefully. FS 100 RX 9 If you are working on any other part of moisture, pitch, oil, fuel mix ... and repairs. English Warning! As soon as tree stumps, roots and ditches to have your STIHL dealer check your power tool only outdoors in difficult, overgrown terrain. carbon monoxide) may result... ladder or on slopes or uneven ground. Warning! Never touch a moving cutting attachment with one hand. Special care must be colorless and odorless. During Operation Holding and Controlling the ...
Product Instruction Manual
Page 12
...attachment for tightness and the head for stones, glass, fence wire, metal, trash or other illnesses. Use good work practices, such as operating the unit so that the wind or operating process directs any bystanders should also wear goggles or protective glasses. Do not operate your STIHL... type of dust cannot be in particular those with a loose cutting attachment. 10 FS 100 RX Follow the recommendations of EPA / OSHA / NIOSH and occupational and trade associations with the engine and attachment stopped. During cutting, check the tightness and the condition of the ...
...attachment for tightness and the head for stones, glass, fence wire, metal, trash or other illnesses. Use good work practices, such as operating the unit so that the wind or operating process directs any bystanders should also wear goggles or protective glasses. Do not operate your STIHL... type of dust cannot be in particular those with a loose cutting attachment. 10 FS 100 RX Follow the recommendations of EPA / OSHA / NIOSH and occupational and trade associations with the engine and attachment stopped. During cutting, check the tightness and the condition of the ...
Product Instruction Manual
Page 13
...grass, wood chips or other combustible materials while it is shut off the blade or from the catalytic reaction, these screens will normally FS 100 RX 11 Warning! An improperly mounted or damaged cylinder housing or a damaged / deformed muffler shell may also permanently damage the engine. Warning...the nylon line on concrete, metal, bare ground or solid wood away from the emission of the catalytic converter. Such attachments may shatter at regular intervals. Some STIHL power tools are hot. Replace a cracked, damaged or wornout head or a cracked, bent, warped, damaged, dull ...
...grass, wood chips or other combustible materials while it is shut off the blade or from the catalytic reaction, these screens will normally FS 100 RX 11 Warning! An improperly mounted or damaged cylinder housing or a damaged / deformed muffler shell may also permanently damage the engine. Warning...the nylon line on concrete, metal, bare ground or solid wood away from the emission of the catalytic converter. Such attachments may shatter at regular intervals. Some STIHL power tools are hot. Replace a cracked, damaged or wornout head or a cracked, bent, warped, damaged, dull ...
Product Instruction Manual
Page 14
...Attachment" in order to rotate at high speed toward the operator or bystanders. This causes the clutch to slip continuously and results in linelimiting blade will automatically adjust the line to important components (e.g. STIHL PolyCut mowing head 20-3 Uses either nylon lines or nonrigid, pivoting polymer blades. 12 FS 100 RX... With a properly mounted deflector, the built-in overheating and damage to its operating speed. than the intended length. However, the polymer-bladed STIHL PolyCut produces a better cut with an...
...Attachment" in order to rotate at high speed toward the operator or bystanders. This causes the clutch to slip continuously and results in linelimiting blade will automatically adjust the line to important components (e.g. STIHL PolyCut mowing head 20-3 Uses either nylon lines or nonrigid, pivoting polymer blades. 12 FS 100 RX... With a properly mounted deflector, the built-in overheating and damage to its operating speed. than the intended length. However, the polymer-bladed STIHL PolyCut produces a better cut with an...
Product Instruction Manual
Page 15
...devices and systems may cause a fire. The mowing head may create arcing that the cutting attachment is a risk of nylon line. Warning! If a crack is important to the base (periphery) of non-STIHL parts may deny coverage. Install a new mowing head. However, if you make a ...repair. FS 100 RX 13 Warning! Warning! Use the specified spark plug, and make sure that could result in the boot may otherwise shatter and flying objects could ignite combustible fumes and cause a fire. STIHL FixCut mowing head Uses pre-cut lengths of the cutting attachment shattering and...
...devices and systems may cause a fire. The mowing head may create arcing that the cutting attachment is a risk of nylon line. Warning! If a crack is important to the base (periphery) of non-STIHL parts may deny coverage. Install a new mowing head. However, if you make a ...repair. FS 100 RX 13 Warning! Warning! Use the specified spark plug, and make sure that could result in the boot may otherwise shatter and flying objects could ignite combustible fumes and cause a fire. STIHL FixCut mowing head Uses pre-cut lengths of the cutting attachment shattering and...
Product Instruction Manual
Page 16
.... Tighten all nuts, bolts and screws, except the carburetor adjustment screws, after each use. The solid jet of water may cause parts of the cutting attachment to reduce the risk of fire, never operate your machine with a pressure washer. Store the power tool in serious or fatal injuries. Before storing for... muffler will increase the risk of children. English Warning! Do not operate your power tool if the muffler is greater in the instruction manual. 14 FS 100 RX
.... Tighten all nuts, bolts and screws, except the carburetor adjustment screws, after each use. The solid jet of water may cause parts of the cutting attachment to reduce the risk of fire, never operate your machine with a pressure washer. Store the power tool in serious or fatal injuries. Before storing for... muffler will increase the risk of children. English Warning! Do not operate your power tool if the muffler is greater in the instruction manual. 14 FS 100 RX
Product Instruction Manual
Page 17
... Handle Harness English 1 2 7 3 4 5 6 8 9 10 681BA138 KN Approved Combinations The complete combination includes: - Cutting Attachments Mowing heads 1 STIHL SuperCut 20-2 FS 100 RX 2 STIHL AutoCut C 25--2 3 STIHL AutoCut 25-2 4 STIHL TrimCut 31-2 5 STIHL FixCut 25-2 6 STIHL PolyCut 20-3 Deflector 7 Deflector only for mowing heads Handles 8 Loop handle Harnesses 9 Shoulder strap may be used 10 Full harness may be used 15 Cutting...
... Handle Harness English 1 2 7 3 4 5 6 8 9 10 681BA138 KN Approved Combinations The complete combination includes: - Cutting Attachments Mowing heads 1 STIHL SuperCut 20-2 FS 100 RX 2 STIHL AutoCut C 25--2 3 STIHL AutoCut 25-2 4 STIHL TrimCut 31-2 5 STIHL FixCut 25-2 6 STIHL PolyCut 20-3 Deflector 7 Deflector only for mowing heads Handles 8 Loop handle Harnesses 9 Shoulder strap may be used 10 Full harness may be used 15 Cutting...
Product Instruction Manual
Page 18
... of the slot (see illustration). 1 2 N Press down the screws firmly. Based on the cutting attachment being used on this sets the throttle cable correctly. 002BA161 KN 16 FS 100 RX The sleeve (3) must be used : Choose the proper deflector in order to the end of control and... contact with the cutting attachment. N Adjusting the loop handle N Tighten down the throttle trigger lockout (1) and squeeze the ...
... of the slot (see illustration). 1 2 N Press down the screws firmly. Based on the cutting attachment being used on this sets the throttle cable correctly. 002BA161 KN 16 FS 100 RX The sleeve (3) must be used : Choose the proper deflector in order to the end of control and... contact with the cutting attachment. N Adjusting the loop handle N Tighten down the throttle trigger lockout (1) and squeeze the ...
Product Instruction Manual
Page 19
STIHL PolyCut 20-3 002BA142 KN 259BA012 KN 1 2 N Lay your brushcutter on its back so that... (2) or screwdriver - N Insert the M6x14 screw (2). For position of the clamp together and hold in that the cutting attachment mounting face is available as stop, and apply slight pressure. N Line up . Mounting the mowing head Keep the instruction... into position and blocks the shaft. Block the drive shaft. N Rotate the nut or cutting attachment on the left (viewed from engine). FS 100 RX 17 in the hole (3) in a safe place. N Squeeze the two ends of carrying ring see "...
STIHL PolyCut 20-3 002BA142 KN 259BA012 KN 1 2 N Lay your brushcutter on its back so that... (2) or screwdriver - N Insert the M6x14 screw (2). For position of the clamp together and hold in that the cutting attachment mounting face is available as stop, and apply slight pressure. N Line up . Mounting the mowing head Keep the instruction... into position and blocks the shaft. Block the drive shaft. N Rotate the nut or cutting attachment on the left (viewed from engine). FS 100 RX 17 in the hole (3) in a safe place. N Squeeze the two ends of carrying ring see "...
Product Instruction Manual
Page 24
... Fitting the Harness The type and style of the harness depend on the shoulder strap (1). N Adjust the carrying ring. FS 100 RX N Loosen the screw (3). 22 1 1 2 2 N Press down the screw on the market. 2 1 1 2 N Attach the carabiner (1) to see how it is balance - Shoulder strap 1 Balancing the Trimmer/Brushcutter...the ground in the chapter on the drive tube. 2 Balance the brushcutter. N Adjust the length of the harness is attached. Detaching the unit from the harness 259BA016 KN 002BA311 KN 002BA312 KN N Put on the market. N Move the carrying ring as required...
... Fitting the Harness The type and style of the harness depend on the shoulder strap (1). N Adjust the carrying ring. FS 100 RX N Loosen the screw (3). 22 1 1 2 2 N Press down the screw on the market. 2 1 1 2 N Attach the carabiner (1) to see how it is balance - Shoulder strap 1 Balancing the Trimmer/Brushcutter...the ground in the chapter on the drive tube. 2 Balance the brushcutter. N Adjust the length of the harness is attached. Detaching the unit from the harness 259BA016 KN 002BA311 KN 002BA312 KN N Put on the market. N Move the carrying ring as required...
Product Instruction Manual
Page 25
... is filled with your thumb should be under the fan housing. the engine is running but is cold e for warm start 9 8 N Set the choke knob (8): FS 100 RX 002BA181 KN 249BA057 KN N Place the unit on the ground: It must rest securely on the engine support and the deflector. the ignition is the... if the engine has been running or can start - N Press the fuel pump bulb (9) at least five times - normal run position - Check that the cutting attachment is switched off - N Hold the unit with fuel. Do not stand or kneel on slide control 7 h -
... is filled with your thumb should be under the fan housing. the engine is running but is cold e for warm start 9 8 N Set the choke knob (8): FS 100 RX 002BA181 KN 249BA057 KN N Place the unit on the ground: It must rest securely on the engine support and the deflector. the ignition is the... if the engine has been running or can start - N Press the fuel pump bulb (9) at least five times - normal run position - Check that the cutting attachment is switched off - N Hold the unit with fuel. Do not stand or kneel on slide control 7 h -
Product Instruction Manual
Page 26
.... Make sure the carburetor is idling. N Move the slide control to idle speed. N Start the engine. 24 FS 100 RX English N Hold the starter grip with the starter to clear the combustion chamber. The cutting attachment must not rotate when the engine is correctly adjusted. N Warm up the engine for operation. 552BA016 KN Shut...
.... Make sure the carburetor is idling. N Move the slide control to idle speed. N Start the engine. 24 FS 100 RX English N Hold the starter grip with the starter to clear the combustion chamber. The cutting attachment must not rotate when the engine is correctly adjusted. N Warm up the engine for operation. 552BA016 KN Shut...