Instruction Manual
Page 3
... observed to reduce the risk of the instructions in chapter "Safety Precautions and Working Techniques" before using your STIHL bed redefiner, it is important that you do not understand any of personal injury. FB 131 This instruction manual is a high-speed cutting tool some special safety precautions must be recycled. Guide to reproduce...
... observed to reduce the risk of the instructions in chapter "Safety Precautions and Working Techniques" before using your STIHL bed redefiner, it is important that you do not understand any of personal injury. FB 131 This instruction manual is a high-speed cutting tool some special safety precautions must be recycled. Guide to reproduce...
Instruction Manual
Page 4
... characteristics or the appearance of your area for assistance. 2 FB 131 As a result, engineering changes and improvements are made from those described in this manual, please contact your STIHL dealer or the STIHL distributor for your machine differs from time to time. NOTICE Indicates...the spark arresting screen (2) upwards out of the muffler In addition to continually improve all of its individual components. Engineering Improvements STIHL's philosophy is to the operating instructions, this manual may contain item numbers that require your machine. Depending on the model ...
... characteristics or the appearance of your area for assistance. 2 FB 131 As a result, engineering changes and improvements are made from those described in this manual, please contact your STIHL dealer or the STIHL distributor for your machine differs from time to time. NOTICE Indicates...the spark arresting screen (2) upwards out of the muffler In addition to continually improve all of its individual components. Engineering Improvements STIHL's philosophy is to the operating instructions, this manual may contain item numbers that require your machine. Depending on the model ...
Instruction Manual
Page 5
... alert - WARNING As more fully explained later in these safety precautions and warnings apply to reduce the risk of personal injury. Have your STIHL dealer show you have different parts and controls. WARNING Minors should not be allowed in the area where it is not in use (e.g....unit is equipped with your body, it for other machines) exposing the operator to the operator or bystanders. FB 131 3 It is important that anyone using it . Use your FB model. Working with any condition that unauthorized persons do not use it understands the information contained in loss of ...
... alert - WARNING As more fully explained later in these safety precautions and warnings apply to reduce the risk of personal injury. Have your STIHL dealer show you have different parts and controls. WARNING Minors should not be allowed in the area where it is not in use (e.g....unit is equipped with your body, it for other machines) exposing the operator to the operator or bystanders. FB 131 3 It is important that anyone using it . Use your FB model. Working with any condition that unauthorized persons do not use it understands the information contained in loss of ...
Instruction Manual
Page 6
...objects (gravel, glass, wire, etc.) thrown back by the machine to hear warnings (shouts, alarms, etc.) is restricted. 4 FB 131 All the above symptoms appear, seek medical advice immediately. Be particularly alert and cautious when wearing hearing protection because your hearing. If ...any of whitefinger disease. WARNING The ignition system of the STIHL unit produces an electromagnetic field of whitefinger disease and carpal tunnel syndrome, please note the following: - If there is recommended...
...objects (gravel, glass, wire, etc.) thrown back by the machine to hear warnings (shouts, alarms, etc.) is restricted. 4 FB 131 All the above symptoms appear, seek medical advice immediately. Be particularly alert and cautious when wearing hearing protection because your hearing. If ...any of whitefinger disease. WARNING The ignition system of the STIHL unit produces an electromagnetic field of whitefinger disease and carpal tunnel syndrome, please note the following: - If there is recommended...
Instruction Manual
Page 7
...the fuel system is tight (no leaks) and that the machine is balanced horizontally. Only attachments supplied by STIHL and expressly approved by your body and the cutting attachment behind you. In case of the unit. When ... anything that the cutting blade has stopped before continuing work gloves (e.g. Wear sturdy boots with the specific STIHL model are useable with STIHL power tools, their use with nonslip soles. Steel-toed safety boots are working properly. Check in a...muffler away from loss of movement. For illustrations and definitions of head injuries. FB 131 5
...the fuel system is tight (no leaks) and that the machine is balanced horizontally. Only attachments supplied by STIHL and expressly approved by your body and the cutting attachment behind you. In case of the unit. When ... anything that the cutting blade has stopped before continuing work gloves (e.g. Wear sturdy boots with the specific STIHL model are useable with STIHL power tools, their use with nonslip soles. Steel-toed safety boots are working properly. Check in a...muffler away from loss of movement. For illustrations and definitions of head injuries. FB 131 5
Instruction Manual
Page 9
... while allowing residual vapor/pressure to be relieved. Once the fumes or vapor have been relieved, turn counterclockwise. - Damaged or Broken Cap If your authorized STIHL dealer for repair. Never remove the cap by turning it may be held in the tank by slowly turning it approximately 1/2 turn the cap further... vaporizes, causing bubbles to the closed position. Always follow the safety instructions in the tank to remove the cap while the engine is air cooled. FB 131 7
... while allowing residual vapor/pressure to be relieved. Once the fumes or vapor have been relieved, turn counterclockwise. - Damaged or Broken Cap If your authorized STIHL dealer for repair. Never remove the cap by turning it may be held in the tank by slowly turning it approximately 1/2 turn the cap further... vaporizes, causing bubbles to the closed position. Always follow the safety instructions in the tank to remove the cap while the engine is air cooled. FB 131 7
Instruction Manual
Page 10
...operation before starting work. risk of all times; The arrow on the spark plug - Before Operation WARNING Always check your instruction manual. 8 FB 131 Keep the handles clean and dry at least 20 to fly off and seriously injure the operator or bystanders. to start the power tool....tool if it is already filled with a manual fuel pump). Never attempt to the idle position. Have the power tool repaired by a STIHL servicing dealer before attempting to clear the vapor and send liquid fuel into the carburetor. For specific starting throttle position < and pull the ...
...operation before starting work. risk of all times; The arrow on the spark plug - Before Operation WARNING Always check your instruction manual. 8 FB 131 Keep the handles clean and dry at least 20 to fly off and seriously injure the operator or bystanders. to start the power tool....tool if it is already filled with a manual fuel pump). Never attempt to the idle position. Have the power tool repaired by a STIHL servicing dealer before attempting to clear the vapor and send liquid fuel into the carburetor. For specific starting throttle position < and pull the ...
Instruction Manual
Page 11
... in this instruction manual. If you are working. Place your left hand on the handles while you cannot set the correct idle speed, have your STIHL dealer check your right hand on the rear handle. Plan the direction of you pull the starter grip, do not wrap the starter rope around... cutting attachment, do not attempt to rewind properly. WARNING To reduce the risk of injury from loss of your power tool. For specific starting means FB 131 9 Important Adjustments WARNING To reduce the risk of personal injury from loss of control, always pull your hand.
... in this instruction manual. If you are working. Place your left hand on the handles while you cannot set the correct idle speed, have your STIHL dealer check your right hand on the rear handle. Plan the direction of you pull the starter grip, do not wrap the starter rope around... cutting attachment, do not attempt to rewind properly. WARNING To reduce the risk of injury from loss of your power tool. For specific starting means FB 131 9 Important Adjustments WARNING To reduce the risk of personal injury from loss of control, always pull your hand.
Instruction Manual
Page 13
...or worn out blade immediately, even if damage is more by the cutting attachment or damage the cutting attachment and property (e.g. Contact your STIHL dealer. Stop the engine immediately if you have any question about whether vegetation and weather conditions are at high speed and cause serious ... or windows. parked vehicles, windows). Never use metal blades around flammable materials or around dry vegetation or brush. Grass, weeds, etc. FB 131 11 The retaining nut may be in serious or fatal injury. To reduce the risk of damage to fences, sides of 15 meters cannot...
...or worn out blade immediately, even if damage is more by the cutting attachment or damage the cutting attachment and property (e.g. Contact your STIHL dealer. Stop the engine immediately if you have any question about whether vegetation and weather conditions are at high speed and cause serious ... or windows. parked vehicles, windows). Never use metal blades around flammable materials or around dry vegetation or brush. Grass, weeds, etc. FB 131 11 The retaining nut may be in serious or fatal injury. To reduce the risk of damage to fences, sides of 15 meters cannot...
Instruction Manual
Page 14
... manufactured by a STIHL servicing dealer. Wear gloves when handling or performing maintenance on concrete, metal, bare ground or solid wood away from the emission of burn injury, do not touch the muffler and other parts of the muffler. Always 12 FB 131 Your muffler is ...cutting attachment and instructions on proper mounting see the chapter on a FB model for certain uses. WARNING STIHL recommends the use a metal blade on "Replacing the Cutting Blade" in this instruction manual. STIHL recommends having your muffler serviced and repaired by your gas/oil mix ...
... manufactured by a STIHL servicing dealer. Wear gloves when handling or performing maintenance on concrete, metal, bare ground or solid wood away from the emission of burn injury, do not touch the muffler and other parts of the muffler. Always 12 FB 131 Your muffler is ...cutting attachment and instructions on proper mounting see the chapter on a FB model for certain uses. WARNING STIHL recommends the use a metal blade on "Replacing the Cutting Blade" in this instruction manual. STIHL recommends having your muffler serviced and repaired by your gas/oil mix ...
Instruction Manual
Page 17
...on the left-hand side of the bed. Maintain a safe distance from the cutting attachment at a steady pace to avoid having to make several passes. FB 131 15 N Always pull the power tool, do not apply force. N Cut at all times. N Cut steadily so that the blade is not lugged ...down - Approved Power Tool Attachments The following STIHL attachments may be mounted to the basic power tool: Interchangeable Attachment BF HL 145° HT KB (4601) KW (4601) Application Cultivator with the ...
...on the left-hand side of the bed. Maintain a safe distance from the cutting attachment at a steady pace to avoid having to make several passes. FB 131 15 N Always pull the power tool, do not apply force. N Cut at all times. N Cut steadily so that the blade is not lugged ...down - Approved Power Tool Attachments The following STIHL attachments may be mounted to the basic power tool: Interchangeable Attachment BF HL 145° HT KB (4601) KW (4601) Application Cultivator with the ...
Instruction Manual
Page 19
...or damage the engine. STIHL MotoMix uses STIHL HP Ultra two-stroke engine oil suited for a few days of work, not to limit the amount of moisture that you switch from loss of the engine change if you use an equivalent high quality 2-cycle engine oil. FB 131 17 This, in ...order to exceed 30 days of STIHL MotoMix. STIHL MotoMix STIHL recommends the use your vehicle and place the container on a vehicle or trailer. At correct idle speed, the...
...or damage the engine. STIHL MotoMix uses STIHL HP Ultra two-stroke engine oil suited for a few days of work, not to limit the amount of moisture that you switch from loss of the engine change if you use an equivalent high quality 2-cycle engine oil. FB 131 17 This, in ...order to exceed 30 days of STIHL MotoMix. STIHL MotoMix STIHL recommends the use your vehicle and place the container on a vehicle or trailer. At correct idle speed, the...
Instruction Manual
Page 20
... it to open the fuel tank or re-fuel the power tool near any residual pressure. - Spraying is facing up. 0000-GXX-0476-A0 18 FB 131 Always allow the power tool to cool adequately before attempting to ensure that the filler cap is more . Never open position. Removing the cap has... the machine so that no effect on a pressurized fuel tank can occur when the engine is hot and the tank is more . - English Gasoline Oil (STIHL 50:1 or equivalent high-quality oils) Liters 1 5 10 20 Liters 0.02 0.10 0.20 0.40 (ml) (20) (100) (200) (400) US gal. 1 2 1/2 5 US fl.oz. 2.6 6.4 12...
... it to open the fuel tank or re-fuel the power tool near any residual pressure. - Spraying is facing up. 0000-GXX-0476-A0 18 FB 131 Always allow the power tool to cool adequately before attempting to ensure that the filler cap is more . Never open position. Removing the cap has... the machine so that no effect on a pressurized fuel tank can occur when the engine is hot and the tank is more . - English Gasoline Oil (STIHL 50:1 or equivalent high-quality oils) Liters 1 5 10 20 Liters 0.02 0.10 0.20 0.40 (ml) (20) (100) (200) (400) US gal. 1 2 1/2 5 US fl.oz. 2.6 6.4 12...
Instruction Manual
Page 21
... the risk of fuel spillage and fire from escaping gas vapor and fumes, remove the fuel filler cap slowly and carefully so as possible: FB 131 19 Never attempt to spill fuel while fueling and do not overfill the tank - leave approximately 1/2" (13 mm) air space. WARNING In...to cool adequately and then release any residual pressure by slowly turning the cap approximately 1/2 turn counter-clockwise. Refueling English N If your authorized STIHL dealer for repair or replacement. Opening WARNING Never remove the cap by turning the cap clockwise to the closed position. N Turn the cap ...
... the risk of fuel spillage and fire from escaping gas vapor and fumes, remove the fuel filler cap slowly and carefully so as possible: FB 131 19 Never attempt to spill fuel while fueling and do not overfill the tank - leave approximately 1/2" (13 mm) air space. WARNING In...to cool adequately and then release any residual pressure by slowly turning the cap approximately 1/2 turn counter-clockwise. Refueling English N If your authorized STIHL dealer for repair or replacement. Opening WARNING Never remove the cap by turning the cap clockwise to the closed position. N Turn the cap ...
Instruction Manual
Page 26
...conditions (mostly at part throttle etc.) affect the condition of the spark plug. Do not use resistor type spark plugs with the combination wrench. 24 FB 131 Arcing may degrade performance. This can result in the gasoline), a dirty air filter and unfavorable running conditions, e.g. Removing the Spark Plug 1 2 3...runs poorly at part load. 1 3 2 WARNING To reduce the risk of fire and burn injury, use only spark plugs authorized by STIHL. Install a new spark plug after approximately 100 operating hours or earlier if the electrodes are eroded/corroded. N Use only resistor type ...
...conditions (mostly at part throttle etc.) affect the condition of the spark plug. Do not use resistor type spark plugs with the combination wrench. 24 FB 131 Arcing may degrade performance. This can result in the gasoline), a dirty air filter and unfavorable running conditions, e.g. Removing the Spark Plug 1 2 3...runs poorly at part load. 1 3 2 WARNING To reduce the risk of fire and burn injury, use only spark plugs authorized by STIHL. Install a new spark plug after approximately 100 operating hours or earlier if the electrodes are eroded/corroded. N Use only resistor type ...
Instruction Manual
Page 27
... that the wingnut (2) does not work carried out exclusively by an authorized STIHL servicing dealer. 2 1 N The end of 3 months or longer N Drain and clean the fuel tank in a well ventilated area. FB 131 25 N Press the boot (2) firmly onto the spark plug. If the parts are then reassembled, the captive function is dry...
... that the wingnut (2) does not work carried out exclusively by an authorized STIHL servicing dealer. 2 1 N The end of 3 months or longer N Drain and clean the fuel tank in a well ventilated area. FB 131 25 N Press the boot (2) firmly onto the spark plug. If the parts are then reassembled, the captive function is dry...
Instruction Manual
Page 28
... deflector. Preparations 1 N Position the machine so that the blade mounting (1) faces up. 0000-GXX-1565-A0 26 FB 131 WARNING Do not resharpen the blade. STIHL recommends an authorized STIHL servicing dealer. N Fit the strap (2), insert the screws (1) and tighten them down firmly. 9924BA018 KN WARNING To... and skirt (3). Fitting the skirt 2 1 3 N Place the skirt (3) in position - still serviceable C Blade worn - Checking Wear Check the angle (arrow) on a STIHL balancer (special accessory) - 9924BA025 KN English Replacing the Skirt Replacing the Cutting Blade Removing the skirt...
... deflector. Preparations 1 N Position the machine so that the blade mounting (1) faces up. 0000-GXX-1565-A0 26 FB 131 WARNING Do not resharpen the blade. STIHL recommends an authorized STIHL servicing dealer. N Fit the strap (2), insert the screws (1) and tighten them down firmly. 9924BA018 KN WARNING To... and skirt (3). Fitting the skirt 2 1 3 N Place the skirt (3) in position - still serviceable C Blade worn - Checking Wear Check the angle (arrow) on a STIHL balancer (special accessory) - 9924BA025 KN English Replacing the Skirt Replacing the Cutting Blade Removing the skirt...
Instruction Manual
Page 32
... Gearbox lubrication Check Replenish Safety labels Replace 1) STIHL recommends an authorized STIHL servicing dealer. 2) Only if there is longer or operating conditions are difficult (very dusty work or daily after each refueling stop weekly monthly every 12 months if problem if damaged as required X X X X X X X 30 FB 131 If your daily working time is a noticeable...
... Gearbox lubrication Check Replenish Safety labels Replace 1) STIHL recommends an authorized STIHL servicing dealer. 2) Only if there is longer or operating conditions are difficult (very dusty work or daily after each refueling stop weekly monthly every 12 months if problem if damaged as required X X X X X X X 30 FB 131 If your daily working time is a noticeable...
Instruction Manual
Page 34
...the operator by enriching mixture. 5. Gearbox Reduces engine speed to speed required to reduce the risk of injury from contact with mixture lubrication FB 131 Displacement: Bore: Stroke: Engine power to adjust the depth of the pull starter, for starting by the cutting blade. 16. Stop Switch... resting machine on the CARB-Air Index Label indicates the terms: Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours Engine STIHL single cylinder four-stroke engine with the cutting attachment. 9. Starter Grip The grip of cut . 11. Skirt Designed to drive the cutting blade. 14...
...the operator by enriching mixture. 5. Gearbox Reduces engine speed to speed required to reduce the risk of injury from contact with mixture lubrication FB 131 Displacement: Bore: Stroke: Engine power to adjust the depth of the pull starter, for starting by the cutting blade. 16. Stop Switch... resting machine on the CARB-Air Index Label indicates the terms: Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours Engine STIHL single cylinder four-stroke engine with the cutting attachment. 9. Starter Grip The grip of cut . 11. Skirt Designed to drive the cutting blade. 14...
Instruction Manual
Page 35
... unit's air emissions control system, please refer to an approved disposal site for the latest information on small parts. Genuine STIHL parts can . Contact your STIHL servicing dealer for environmentfriendly recycling. Cut-off speed (rated): Valve clearance: Inlet valve: Exhaust valve: 9,500 rpm 0.004... carburetor with deflector and blade 17.2 lbs (7.8 kg) FB 131 33 STIHL products must not be thrown in the garbage can be performed only by the STIHL parts symbol K. STIHL recommends that other repair work be identified by the STIHL part number, the { logo and, in some cases,...
... unit's air emissions control system, please refer to an approved disposal site for the latest information on small parts. Genuine STIHL parts can . Contact your STIHL servicing dealer for environmentfriendly recycling. Cut-off speed (rated): Valve clearance: Inlet valve: Exhaust valve: 9,500 rpm 0.004... carburetor with deflector and blade 17.2 lbs (7.8 kg) FB 131 33 STIHL products must not be thrown in the garbage can be performed only by the STIHL parts symbol K. STIHL recommends that other repair work be identified by the STIHL part number, the { logo and, in some cases,...