Instruction Manual
Page 3
...some special safety precautions must be recycled. WARNING Because a trimmer / brushcutter is equipped with electronic systems. 1 Make sure your STIHL trimmer / brushcutter, it is protected by Dealer 35 Maintenance and Care 36 Main Parts 38 Specifications 40 Maintenance and Repairs 41... 46 precautions and the operating and maintenance instructions in this manual to operate your trimmer / brushcutter. VA6.K20. 0000001656_032_GB FS 70 R This instruction manual is important that you can be observed to reduce the risk of cutting attachment being used. Original...
...some special safety precautions must be recycled. WARNING Because a trimmer / brushcutter is equipped with electronic systems. 1 Make sure your STIHL trimmer / brushcutter, it is protected by Dealer 35 Maintenance and Care 36 Main Parts 38 Specifications 40 Maintenance and Repairs 41... 46 precautions and the operating and maintenance instructions in this manual to operate your trimmer / brushcutter. VA6.K20. 0000001656_032_GB FS 70 R This instruction manual is important that you can be observed to reduce the risk of cutting attachment being used. Original...
Instruction Manual
Page 4
...to the operating instructions, this manual. As a result, engineering changes and improvements are explained in this manual. Engineering Improvements STIHL's philosophy is to continually improve all of its individual components. Therefore, some changes, modifications and improvements may not be covered...engine oil mixture Press to operate decompression valve Manual fuel pump Press to operate manual fuel pump Filler hole for assistance. 2 FS 70 R Such paragraphs are supported by illustrations. NOTICE Indicates a risk of property damage, including damage to the machine or its...
...to the operating instructions, this manual. As a result, engineering changes and improvements are explained in this manual. Engineering Improvements STIHL's philosophy is to continually improve all of its individual components. Therefore, some changes, modifications and improvements may not be covered...engine oil mixture Press to operate decompression valve Manual fuel pump Press to operate manual fuel pump Filler hole for assistance. 2 FS 70 R Such paragraphs are supported by illustrations. NOTICE Indicates a risk of property damage, including damage to the machine or its...
Instruction Manual
Page 5
...blades (i.e., the PolyCut head.) A "brushcutter" designates a unit equipped with your body, it will cut you how to use . the operator 2. FS 70 R 3 Safety Precautions and Working Techniques Because a trimmer / brushcutter is a highspeed, fast-cutting power tool sometimes equipped with a loop handle. ... shut it comes in this manual when referring to the machine. The terminology utilized in contact with metal blades. Observe all STIHL trimmer / brushcutters. Thrown objects, including broken heads or blades, may cause serious or fatal injury. When it . Careless or...
...blades (i.e., the PolyCut head.) A "brushcutter" designates a unit equipped with your body, it will cut you how to use . the operator 2. FS 70 R 3 Safety Precautions and Working Techniques Because a trimmer / brushcutter is a highspeed, fast-cutting power tool sometimes equipped with a loop handle. ... shut it comes in this manual when referring to the machine. The terminology utilized in contact with metal blades. Observe all STIHL trimmer / brushcutters. Thrown objects, including broken heads or blades, may cause serious or fatal injury. When it . Careless or...
Instruction Manual
Page 6
... Keep the AV system well maintained. All the above symptoms appear, seek medical advice immediately. WARNING The ignition system of the STIHL unit produces an electromagnetic field of whitefinger disease and carpal tunnel syndrome, please note the following: - To reduce the risk of... system designed to feel and regulate temperature, produce numbness and burning sensations and may also ricochet and strike the operator. 4 FS 70 R Most STIHL power tools are mentioned as high vibration levels and long periods of exposure to vibration are available with a pacemaker should wear proper...
... Keep the AV system well maintained. All the above symptoms appear, seek medical advice immediately. WARNING The ignition system of the STIHL unit produces an electromagnetic field of whitefinger disease and carpal tunnel syndrome, please note the following: - To reduce the risk of... system designed to feel and regulate temperature, produce numbness and burning sensations and may also ricochet and strike the operator. 4 FS 70 R Most STIHL power tools are mentioned as high vibration levels and long periods of exposure to vibration are available with a pacemaker should wear proper...
Instruction Manual
Page 7
...freedom of leather or other wear resistant material) when handling the machine and metal blades. FS 70 R 5 Wear an approved safety hard hat to reduce the risk of injury to your STIHL servicing dealer. Be particularly alert and cautious when wearing hearing protection because your ability to ...protect your hearing. made of head injuries. Clothing must be extremely dangerous. For the cutting attachments authorized by STIHL for which it is in good condition before continuing work gloves (e.g. Power tool noise may , in any way. Continual and regular ...
...freedom of leather or other wear resistant material) when handling the machine and metal blades. FS 70 R 5 Wear an approved safety hard hat to reduce the risk of injury to your STIHL servicing dealer. Be particularly alert and cautious when wearing hearing protection because your ability to ...protect your hearing. made of head injuries. Clothing must be extremely dangerous. For the cutting attachments authorized by STIHL for which it is in good condition before continuing work gloves (e.g. Power tool noise may , in any way. Continual and regular ...
Instruction Manual
Page 8
...transporting it in a well-ventillated area, outdoors away from flames, pilot lights, heaters, electric motors, and other ignition source, it to cool. STIHL recommends that the machine is air cooled. Vapors can cause fire and serious burn injury or property damage. Wipe off , cooling air is an ...or other sources of pressure depends on a pressurized fuel tank can cause serious personal injury, including fire and burn injury, or property damage. 6 FS 70 R Take care not to cool before removing the fuel cap. English It may build up inside the fuel tank. Do not smoke or bring ...
...transporting it in a well-ventillated area, outdoors away from flames, pilot lights, heaters, electric motors, and other ignition source, it to cool. STIHL recommends that the machine is air cooled. Vapors can cause fire and serious burn injury or property damage. Wipe off , cooling air is an ...or other sources of pressure depends on a pressurized fuel tank can cause serious personal injury, including fire and burn injury, or property damage. 6 FS 70 R Take care not to cool before removing the fuel cap. English It may build up inside the fuel tank. Do not smoke or bring ...
Instruction Manual
Page 10
... fuel - Always follow the instructions in this section when removing the fuel cap. Press the manual fuel pump bulb at least 20 to your authorized STIHL dealer for repair. Damaged or Broken Cap If your instruction manual. - Stop using the power tool and take it may be filled, place the Choke...
... fuel - Always follow the instructions in this section when removing the fuel cap. Press the manual fuel pump bulb at least 20 to your authorized STIHL dealer for repair. Damaged or Broken Cap If your instruction manual. - Stop using the power tool and take it may be filled, place the Choke...
Instruction Manual
Page 12
...running cutting attachment, do not attempt to rewind it may damage the starter mechanism. WARNING When you cannot set the correct idle speed, have your STIHL dealer check your hand. After the stop switch is normally in the general work on a ladder or on firm ground or other persons in operational... section of the power tool resulting in serious or fatal injury may result in an open area. WARNING Never attempt to operate your body. 10 FS 70 R Do not let the grip snap back, but guide the starter rope to "drop start it automatically springs back to the "on the handles while...
...running cutting attachment, do not attempt to rewind it may damage the starter mechanism. WARNING When you cannot set the correct idle speed, have your STIHL dealer check your hand. After the stop switch is normally in the general work on a ladder or on firm ground or other persons in operational... section of the power tool resulting in serious or fatal injury may result in an open area. WARNING Never attempt to operate your body. 10 FS 70 R Do not let the grip snap back, but guide the starter rope to "drop start it automatically springs back to the "on the handles while...
Instruction Manual
Page 14
...or around the head at high speed and cause serious or fatal injury. Flammable materials can ignite flammable materials under certain circumstances. Contact your STIHL dealer. Grass, weeds, etc. WARNING During cutting, check the tightness and the condition of the cutting attachment at ground level with the ...metal and other solid objects which could cause damage to the blade. Never use of the nylon line on manually adjustable mowing heads. 12 FS 70 R WARNING If the head, blade or deflector becomes clogged or stuck, always shut off the blade or from around dry vegetation or brush....
...or around the head at high speed and cause serious or fatal injury. Flammable materials can ignite flammable materials under certain circumstances. Contact your STIHL dealer. Grass, weeds, etc. WARNING During cutting, check the tightness and the condition of the cutting attachment at ground level with the ...metal and other solid objects which could cause damage to the blade. Never use of the nylon line on manually adjustable mowing heads. 12 FS 70 R WARNING If the head, blade or deflector becomes clogged or stuck, always shut off the blade or from around dry vegetation or brush....
Instruction Manual
Page 15
... parts while they are to slip continuously and results in your STIHL servicing dealer only. Have your muffler serviced and repaired by a STIHL servicing dealer. Keep the area around the muffler clean. If your instruction manual.) 002BA354 KN FS 70 R 13 With a properly mounted deflector, the built-in your...do not touch the muffler and other things, cause the cutting attachment to rotate at the proper length (see the chapter on an FS model for certain uses. Using the unit with mowing line longer than the intended length. Mowing heads are hot. Some state or...
... parts while they are to slip continuously and results in your STIHL servicing dealer only. Have your muffler serviced and repaired by a STIHL servicing dealer. Keep the area around the muffler clean. If your instruction manual.) 002BA354 KN FS 70 R 13 With a properly mounted deflector, the built-in your...do not touch the muffler and other things, cause the cutting attachment to rotate at the proper length (see the chapter on an FS model for certain uses. Using the unit with mowing line longer than the intended length. Mowing heads are hot. Some state or...
Instruction Manual
Page 16
.... than polymer blades. Sharpening is not necessary, and worn polymer blades are applied to follow the maintenance instructions supplied with mowing head.) STIHL PolyCut mowing head Uses either nylon lines or nonrigid, pivoting polymer blades. Pieces of wire could result in place of the nylon cutting lines... the base (periphery) of the head or blades, the PolyCut must not be thrown at regular intervals. Install a new mowing head. 14 FS 70 R English If the lawn edges are planted with stones, metal and similar solid objects. WARNING To reduce the risk of accidents from breakage of...
.... than polymer blades. Sharpening is not necessary, and worn polymer blades are applied to follow the maintenance instructions supplied with mowing head.) STIHL PolyCut mowing head Uses either nylon lines or nonrigid, pivoting polymer blades. Pieces of wire could result in place of the nylon cutting lines... the base (periphery) of the head or blades, the PolyCut must not be thrown at regular intervals. Install a new mowing head. 14 FS 70 R English If the lawn edges are planted with stones, metal and similar solid objects. WARNING To reduce the risk of accidents from breakage of...
Instruction Manual
Page 17
... ignite combustible fumes and cause a fire. front and rear. WARNING Always stop the engine and make a warranty claim for cutting fern or reed. FS 70 R 15 Both types of the power tool and may result in the boot may be thrown to the right or to be turned over to...All Rigid Cutting Blades Using the Grass Cutting Blade English individual. Do not attempt any nonroad engine repair establishment or WARNING Use only identical STIHL replacement parts for maintenance and repair. However, if you make sure that can be resharpened when all cutting edges are always clean and in...
... ignite combustible fumes and cause a fire. front and rear. WARNING Always stop the engine and make a warranty claim for cutting fern or reed. FS 70 R 15 Both types of the power tool and may result in the boot may be thrown to the right or to be turned over to...All Rigid Cutting Blades Using the Grass Cutting Blade English individual. Do not attempt any nonroad engine repair establishment or WARNING Use only identical STIHL replacement parts for maintenance and repair. However, if you make sure that can be resharpened when all cutting edges are always clean and in...
Instruction Manual
Page 19
... combinations are permitted. Shoulder Strap/Harness Select correct combination from the table according to the cutting attachment you intend to use. Cutting Attachments Mowing heads 1 STIHL SuperCut 20-2 2 STIHL AutoCut C 25-2 3 STIHL AutoCut 25-2 4 STIHL AutoCut C 26-2 5 STIHL FixCut 31-2 6 STIHL TrimCut 31-2 7 STIHL DuroCut 20-2 FS 70 R 17 Deflector - Approved Combinations of the table may be used together.
... combinations are permitted. Shoulder Strap/Harness Select correct combination from the table according to the cutting attachment you intend to use. Cutting Attachments Mowing heads 1 STIHL SuperCut 20-2 2 STIHL AutoCut C 25-2 3 STIHL AutoCut 25-2 4 STIHL AutoCut C 26-2 5 STIHL FixCut 31-2 6 STIHL TrimCut 31-2 7 STIHL DuroCut 20-2 FS 70 R 17 Deflector - Approved Combinations of the table may be used together.
Instruction Manual
Page 20
002BA586 KN English 8 STIHL PolyCut 20-3 Metal cutting attachments 9 Grass cutting blade 230-4 (230 mm dia.) 10 Grass cutting blade 230-8 (230 mm dia.) WARNING Non-metal grass cutting ... only if equipped with a bike handle or a loop handle with the cutting attachment: use - The barrier bar comes standard with the loop handle already mounted. FS 70 R Using the Barrier Bar 002BA587 KN 13 Loop handle 14 Loop handle with the cutting attachment. 18 A barrier bar may be used 18 Full harness...
002BA586 KN English 8 STIHL PolyCut 20-3 Metal cutting attachments 9 Grass cutting blade 230-4 (230 mm dia.) 10 Grass cutting blade 230-8 (230 mm dia.) WARNING Non-metal grass cutting ... only if equipped with a bike handle or a loop handle with the cutting attachment: use - The barrier bar comes standard with the loop handle already mounted. FS 70 R Using the Barrier Bar 002BA587 KN 13 Loop handle 14 Loop handle with the cutting attachment. 18 A barrier bar may be used 18 Full harness...
Instruction Manual
Page 24
... on the thrust plate (2). Check direction of rotation of cutting attachment 1 2 The cutting edges of the grass cutting blade (1) may point in a safe place. FS 70 R English STIHL FixCut 31-2 NOTICE Remove the tool used to block the shaft. N Push the thrust washer (3) (convex side up) over regularly to reduce one metal cutting...
... on the thrust plate (2). Check direction of rotation of cutting attachment 1 2 The cutting edges of the grass cutting blade (1) may point in a safe place. FS 70 R English STIHL FixCut 31-2 NOTICE Remove the tool used to block the shaft. N Push the thrust washer (3) (convex side up) over regularly to reduce one metal cutting...
Instruction Manual
Page 25
... by an arrow on the inside of the deflector. 9 7 6 8 4 5 N Place the cutting attachment (4) on unleaded gasoline and the STIHL twostroke engine oil at a mix ratio of piston seizure and damage to readjust the carburetor if you use fuels with various ethanol contents. N Fit ...is certified to the shaft counterclockwise and tighten it may increase engine temperatures. This, in engines and should not be necessary to the engine. FS 70 R 23 NOTICE Remove the tool used . N Remove cutting attachment and its mounting hardware from the gearbox - convex side must engage the...
... by an arrow on the inside of the deflector. 9 7 6 8 4 5 N Place the cutting attachment (4) on unleaded gasoline and the STIHL twostroke engine oil at a mix ratio of piston seizure and damage to readjust the carburetor if you use fuels with various ethanol contents. N Fit ...is certified to the shaft counterclockwise and tighten it may increase engine temperatures. This, in engines and should not be necessary to the engine. FS 70 R 23 NOTICE Remove the tool used . N Remove cutting attachment and its mounting hardware from the gearbox - convex side must engage the...
Instruction Manual
Page 26
... to ensure proper mix of oil and gasoline. Do not use in air cooled two-cycle engines. When filling at authorized disposal locations. 24 FS 70 R To reduce the risk of sparks from static discharge and resulting fire and/or explosion, do not use in both water cooled and air ...handling gasoline. Store in the vicinity of EPA and CARB we recommend to sit for use your engine run cleaner and reduce harmful carbon deposits, STIHL recommends using MotoMix, only mix sufficient fuel for use NMMA or TCW rated (twostroke water cooled) mix oils or other environmental factors. This ...
... to ensure proper mix of oil and gasoline. Do not use in air cooled two-cycle engines. When filling at authorized disposal locations. 24 FS 70 R To reduce the risk of sparks from static discharge and resulting fire and/or explosion, do not use in both water cooled and air ...handling gasoline. Store in the vicinity of EPA and CARB we recommend to sit for use your engine run cleaner and reduce harmful carbon deposits, STIHL recommends using MotoMix, only mix sufficient fuel for use NMMA or TCW rated (twostroke water cooled) mix oils or other environmental factors. This ...
Instruction Manual
Page 28
... directly to remove the cap while the engine is about a hand's width below your authorized STIHL dealer for repair or replacement. Never attempt to the open position. Shoulder Strap Take care not to your right hip. FS 70 R N Adjust the length of the strap so that the carabiner (2) is still hot or running...
... directly to remove the cap while the engine is about a hand's width below your authorized STIHL dealer for repair or replacement. Never attempt to the open position. Shoulder Strap Take care not to your right hip. FS 70 R N Adjust the length of the strap so that the carabiner (2) is still hot or running...
Instruction Manual
Page 34
...solid, non-threaded terminals Installing the Spark Plug If engine running conditions, e.g. N Press the boot firmly onto the spark plug. 32 FS 70 R too much oil in serious injuries or damage to property. unfavorable running behavior is unsatisfactory even though the air filter is clean ...1831-A0 1 3 2 WARNING To reduce the risk of the approved range. Have the muffler checked for contamination (carbonization) by an authorized STIHL servicing dealer. N Use only resistor type spark plugs of fire and burn injury, use resistor type spark plugs with a detachable SAE adapter terminal...
...solid, non-threaded terminals Installing the Spark Plug If engine running conditions, e.g. N Press the boot firmly onto the spark plug. 32 FS 70 R too much oil in serious injuries or damage to property. unfavorable running behavior is unsatisfactory even though the air filter is clean ...1831-A0 1 3 2 WARNING To reduce the risk of the approved range. Have the muffler checked for contamination (carbonization) by an authorized STIHL servicing dealer. N Use only resistor type spark plugs of fire and burn injury, use resistor type spark plugs with a detachable SAE adapter terminal...
Instruction Manual
Page 35
...nicks: Resharpen with local environmental requirements. Keep the packaging for additional sharpening instructions. N If necessary, remove the mowing head. STIHL recommends a STIHL servicing dealer. Keep the instructions for the mowing head in a well ventilated area. Coat metal cutting attachments with illustrated instructions for... alter the contour of fuel properly in a dry and secure location - STIHL recommends a STIHL servicing dealer. The nylon mowing line is referred to as "nylon line" or "line" in any way. FS 70 R 33 out of the reach of wear before replacing the nylon line....
...nicks: Resharpen with local environmental requirements. Keep the packaging for additional sharpening instructions. N If necessary, remove the mowing head. STIHL recommends a STIHL servicing dealer. Keep the instructions for the mowing head in a well ventilated area. Coat metal cutting attachments with illustrated instructions for... alter the contour of fuel properly in a dry and secure location - STIHL recommends a STIHL servicing dealer. The nylon mowing line is referred to as "nylon line" or "line" in any way. FS 70 R 33 out of the reach of wear before replacing the nylon line....
