Instruction Manual
Page 3
... a high-speed cutting tool some special safety precautions must be recycled. FB 131 This instruction manual is important that you can be observed to reduce the... Guide to Using this manual to reproduce, translate and process with electronic systems. 1 © ANDREAS STIHL AG & Co. For further information you read, understand and follow the safety precautions and the operating and...Storing the Machine 25 Replacing the Depth Wheel 25 Replacing the Skirt 26 Replacing the Cutting Blade 26 Checking and Replacing the Wear Guard 27 Maintenance and Care 29 Main Parts 31 ...
... a high-speed cutting tool some special safety precautions must be recycled. FB 131 This instruction manual is important that you can be observed to reduce the... Guide to Using this manual to reproduce, translate and process with electronic systems. 1 © ANDREAS STIHL AG & Co. For further information you read, understand and follow the safety precautions and the operating and...Storing the Machine 25 Replacing the Depth Wheel 25 Replacing the Skirt 26 Replacing the Cutting Blade 26 Checking and Replacing the Wear Guard 27 Maintenance and Care 29 Main Parts 31 ...
Instruction Manual
Page 5
...blades, may cause blades to vibrations may produce whitefinger disease (Raynaud's phenomenon) or carpal tunnel syndrome. See the appropriate section of this machine. Safe use on hard ground or wet soil. Working with your bed redefiner only for other machines) exposing the operator to crack, chip or break. FB 131... WARNING As more fully explained later in these safety precautions and warnings apply to the operator or bystanders. Observe all STIHL bed redefiners. during a work , check with any substance (drugs, alcohol, etc.) which might impair vision, dexterity...
...blades, may cause blades to vibrations may produce whitefinger disease (Raynaud's phenomenon) or carpal tunnel syndrome. See the appropriate section of this machine. Safe use on hard ground or wet soil. Working with your bed redefiner only for other machines) exposing the operator to crack, chip or break. FB 131... WARNING As more fully explained later in these safety precautions and warnings apply to the operator or bystanders. Observe all STIHL bed redefiners. during a work , check with any substance (drugs, alcohol, etc.) which might impair vision, dexterity...
Instruction Manual
Page 7
... supplied by STIHL and expressly approved by your body and the cutting attachment behind you. Clothing must be carried only in good condition before putting the power tool down. In case of doubt, have it is tight (no leaks) and that the cutting blade has stopped before continuing work gloves (e.g. FB 131 5 Check in...
... supplied by STIHL and expressly approved by your body and the cutting attachment behind you. Clothing must be carried only in good condition before putting the power tool down. In case of doubt, have it is tight (no leaks) and that the cutting blade has stopped before continuing work gloves (e.g. FB 131 5 Check in...
Instruction Manual
Page 10
...Choke Knob to maintain a firm grip and properly control your instruction manual. - Replace a damaged blade or deflector before using the power tool. it is being used in order for the fuel ...see the appropriate section of your power tool if it . WARNING Never operate your instruction manual. 8 FB 131 Inspect for loose parts (nuts, screws, etc.) and for power tools equipped with a manual fuel...always spring back to start the power tool. Have the power tool repaired by a STIHL servicing dealer before using it is securely mounted on the spark plug - WARNING Do not...
...Choke Knob to maintain a firm grip and properly control your instruction manual. - Replace a damaged blade or deflector before using the power tool. it is being used in order for the fuel ...see the appropriate section of your power tool if it . WARNING Never operate your instruction manual. 8 FB 131 Inspect for loose parts (nuts, screws, etc.) and for power tools equipped with a manual fuel...always spring back to start the power tool. Have the power tool repaired by a STIHL servicing dealer before using it is securely mounted on the spark plug - WARNING Do not...
Instruction Manual
Page 11
WARNING To reduce the risk of injury from blade contact, be absolutely sure that the cutting attachment is clear of you and ...use your unit with both hands on the handles while you cannot set the correct idle speed, have your STIHL dealer check your right hand on the starter grip. WARNING To reduce the risk of injury from loss of .... Plan the direction of cut and always keep the cutting attachment in the general work area, even when starting means FB 131 9 Maintain sufficient distance from the cutting attachment at least 10 feet (3 m) from the fueling spot, outdoors only. ...
WARNING To reduce the risk of injury from blade contact, be absolutely sure that the cutting attachment is clear of you and ...use your unit with both hands on the handles while you cannot set the correct idle speed, have your STIHL dealer check your right hand on the starter grip. WARNING To reduce the risk of injury from loss of .... Plan the direction of cut and always keep the cutting attachment in the general work area, even when starting means FB 131 9 Maintain sufficient distance from the cutting attachment at least 10 feet (3 m) from the fueling spot, outdoors only. ...
Instruction Manual
Page 13
... stopped before replacing the cutting attachment. 15 m (50 ft) To reduce the risk of eye and other injury, always wear proper eye protection (see your STIHL dealer. WARNING Inspect the work immediately. Grass, weeds, etc. WARNING During cutting, check the tightness and the condition of metal and other solid objects which... be used at high speed and cause serious or fatal injury. Forest Service if you are suitable for cracks, wear and damage. WARNING If the blade or deflector becomes clogged or stuck, always shut off the engine before cleaning. FB 131 11
... stopped before replacing the cutting attachment. 15 m (50 ft) To reduce the risk of eye and other injury, always wear proper eye protection (see your STIHL dealer. WARNING Inspect the work immediately. Grass, weeds, etc. WARNING During cutting, check the tightness and the condition of metal and other solid objects which... be used at high speed and cause serious or fatal injury. Forest Service if you are suitable for cracks, wear and damage. WARNING If the blade or deflector becomes clogged or stuck, always shut off the engine before cleaning. FB 131 11
Instruction Manual
Page 14
... in this instruction manual. Do not attempt any maintenance or repair work performed by a STIHL servicing dealer. Always 12 FB 131 Keep the area around the muffler clean. To reduce the risk of only STIHL replacement parts for a while after stopping the engine. MAINTENANCE, REPAIR AND STORING Maintenance, ... of a brush or forest fire is correct (i.e., not too rich), this instruction manual. Let the engine cool down sitting on blades. If your STIHL servicing dealer. Use of fire from the muffler and need no service or maintenance. WARNING To reduce the risk of severe or ...
... in this instruction manual. Do not attempt any maintenance or repair work performed by a STIHL servicing dealer. Always 12 FB 131 Keep the area around the muffler clean. To reduce the risk of only STIHL replacement parts for a while after stopping the engine. MAINTENANCE, REPAIR AND STORING Maintenance, ... of a brush or forest fire is correct (i.e., not too rich), this instruction manual. Let the engine cool down sitting on blades. If your STIHL servicing dealer. Use of fire from the muffler and need no service or maintenance. WARNING To reduce the risk of severe or ...
Instruction Manual
Page 16
...(2) so that cuttings and other debris are directed away from the operator. Maintain a safe distance from the cutting attachment at full throttle. 14 FB 131 N Starting the Engine N Start the cut (A) depends on the deflector indicates the direction of accidents, shut off the engine and wait until the... open side facing away from the power tool and operator. 9924BA006 KN 9924BA023 KN N Tighten down the wingnut clockwise. This ensures that the blade (3) touches the ground in the normal working position. 1 The arrow (1) on the uneveness of cut at no less than half throttle and...
...(2) so that cuttings and other debris are directed away from the operator. Maintain a safe distance from the cutting attachment at full throttle. 14 FB 131 N Starting the Engine N Start the cut (A) depends on the deflector indicates the direction of accidents, shut off the engine and wait until the... open side facing away from the power tool and operator. 9924BA006 KN 9924BA023 KN N Tighten down the wingnut clockwise. This ensures that the blade (3) touches the ground in the normal working position. 1 The arrow (1) on the uneveness of cut at no less than half throttle and...
Instruction Manual
Page 17
do not push it forward. N Always pull the power tool, do not apply force. 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 pick ... with the cutting attachment to make several passes. N Cut at no more than a normal walking pace. FB 131 15 N Do not push the blade into the ground. N Cut steadily so that the blade is not lugged down - N Operate at a steady pace to avoid having to the rear. WARNING Always hold and operate your ...
do not push it forward. N Always pull the power tool, do not apply force. 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 pick ... with the cutting attachment to make several passes. N Cut at no more than a normal walking pace. FB 131 15 N Do not push the blade into the ground. N Cut steadily so that the blade is not lugged down - N Operate at a steady pace to avoid having to the rear. WARNING Always hold and operate your ...
Instruction Manual
Page 27
...FB 131 25 N Press the boot (2) firmly onto the spark plug. N Dispose of fuel properly in a dry, high or locked location, out of the reach of children and other unauthorized persons. N Remove, clean and inspect the cutting blade. N Store the machine in accordance with local environmental requirements. STIHL... recommends that the wingnut (2) does not work carried out exclusively by an authorized STIHL servicing dealer. 2 1 N The end of 3...
...FB 131 25 N Press the boot (2) firmly onto the spark plug. N Dispose of fuel properly in a dry, high or locked location, out of the reach of children and other unauthorized persons. N Remove, clean and inspect the cutting blade. N Store the machine in accordance with local environmental requirements. STIHL... recommends that the wingnut (2) does not work carried out exclusively by an authorized STIHL servicing dealer. 2 1 N The end of 3...
Instruction Manual
Page 28
... -balance, always install a new one. WARNING Do not resharpen the blade. STIHL recommends an authorized STIHL servicing dealer. still serviceable C Blade worn - Preparations 1 N Position the machine so that the blade mounting (1) faces up. 0000-GXX-1565-A0 26 FB 131 If blade is out-of injury from a shattering blade: Do not attempt to straighten or weld a worn, bent or...
... -balance, always install a new one. WARNING Do not resharpen the blade. STIHL recommends an authorized STIHL servicing dealer. still serviceable C Blade worn - Preparations 1 N Position the machine so that the blade mounting (1) faces up. 0000-GXX-1565-A0 26 FB 131 If blade is out-of injury from a shattering blade: Do not attempt to straighten or weld a worn, bent or...
Instruction Manual
Page 29
...wear guard in good time. N Place thrust washer (7), raised side facing up, on the screw (6). see arrow) of injury if the blade works loose. N Remove the thrust washer (7). Collar (see "Special Accessories" - NOTICE The gearbox may be replaced as soon as stop... blade (8). 9924BA013 KN 9924BA014 KN 9924BA016 KN Mounting the Blade 6 8 7 9 4 English Checking and Replacing the Wear Guard Checking the wear guard 1 2 N Position the blade (8) on the shaft counterclockwise (left-hand thread) and tighten it out. N The wear guard must engage the blade's mounting hole. FB 131 ...
...wear guard in good time. N Place thrust washer (7), raised side facing up, on the screw (6). see arrow) of injury if the blade works loose. N Remove the thrust washer (7). Collar (see "Special Accessories" - NOTICE The gearbox may be replaced as soon as stop... blade (8). 9924BA013 KN 9924BA014 KN 9924BA016 KN Mounting the Blade 6 8 7 9 4 English Checking and Replacing the Wear Guard Checking the wear guard 1 2 N Position the blade (8) on the shaft counterclockwise (left-hand thread) and tighten it out. N The wear guard must engage the blade's mounting hole. FB 131 ...
Instruction Manual
Page 30
English Replacing the wear guard 3 3 N Remove the cutting blade if necessary - N Fit the new wear guard (1). see "Replacing the Cutting Blade". see "Replacing the Cutting Blade". 28 9924BA020 KN FB 131 N Remove screws (3) with a standard T 20 Torx screwdriver. N Insert the screws and tighten them down firmly. N Mount the cutting blade -
English Replacing the wear guard 3 3 N Remove the cutting blade if necessary - N Fit the new wear guard (1). see "Replacing the Cutting Blade". see "Replacing the Cutting Blade". 28 9924BA020 KN FB 131 N Remove screws (3) with a standard T 20 Torx screwdriver. N Insert the screws and tighten them down firmly. N Mount the cutting blade -
Instruction Manual
Page 31
Maintenance and Care The following intervals apply to normal operating conditions only. the blade must not rotate X X Adjust idle speed Spark plug Readjust electrode gap Replace after every 100 operating hours Cooling inlets Cylinder ... filter Visual inspection Replace2) Manual fuel pump (if fitted) Pickup body in muffler Clean or replace All accessible screws and nuts (not adjusting screws) Retighten FB 131 X X X X X X X X X X X X X X X X X X X 29 If your daily working time is low or cranking effort very high, have valve clearance checked and, if necessary,...
Maintenance and Care The following intervals apply to normal operating conditions only. the blade must not rotate X X Adjust idle speed Spark plug Readjust electrode gap Replace after every 100 operating hours Cooling inlets Cylinder ... filter Visual inspection Replace2) Manual fuel pump (if fitted) Pickup body in muffler Clean or replace All accessible screws and nuts (not adjusting screws) Retighten FB 131 X X X X X X X X X X X X X X X X X X X 29 If your daily working time is low or cranking effort very high, have valve clearance checked and, if necessary,...
Instruction Manual
Page 32
...Check X springs) Have replaced by servicing dealer1) Visual inspection X Blade Replace Check tightness X Check X Gearbox wear guard Replace 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...
...Check X springs) Have replaced by servicing dealer1) Visual inspection X Blade Replace Check tightness X Check X Gearbox wear guard Replace 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...
Instruction Manual
Page 33
Throttle Trigger 8. Gearbox 14. Starter Grip 21. Muffler with Spark Arresting Screen # Serial Number 0000-GXX-1564-A0 FB 131 31 Cutting Blade 13. Stop Switch 3. Drive Tube 10. Skirt 16. Manual Fuel Pump 20. Throttle Trigger Lockout 4. Deflector 9. Carburetor Adjusting Screws 19. Air Filter Cover 6. Depth Wheel 11. Main Parts 1 2 3 7 8 12 19 20 21 18 17 22 # 16 4 5 6 9 10 11 13 14 15 English 1. Wear Guard 15. Fuel Tank 7. Cover 22. Choke Knob 5. Fuel Filler Cap 18. Loop Handle 2. Wingnut 12. Machine Support 17.
Throttle Trigger 8. Gearbox 14. Starter Grip 21. Muffler with Spark Arresting Screen # Serial Number 0000-GXX-1564-A0 FB 131 31 Cutting Blade 13. Stop Switch 3. Drive Tube 10. Skirt 16. Manual Fuel Pump 20. Throttle Trigger Lockout 4. Deflector 9. Carburetor Adjusting Screws 19. Air Filter Cover 6. Depth Wheel 11. Main Parts 1 2 3 7 8 12 19 20 21 18 17 22 # 16 4 5 6 9 10 11 13 14 15 English 1. Wear Guard 15. Fuel Tank 7. Cover 22. Choke Knob 5. Fuel Filler Cap 18. Loop Handle 2. Wingnut 12. Machine Support 17.
Instruction Manual
Page 34
... sleeve and gearbox. 10. Machine Support For resting machine on ground and keeps bed redefiner blade at 6500 rpm 2,800 rpm 32 FB 131 Carburetor Adjusting Screws For tuning the carburetor. 19. Specifications EPA / CEPA The Emission Compliance ...Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours Engine STIHL single cylinder four-stroke engine with mixture lubrication FB 131 Displacement: Bore: Stroke: Engine power to meet Federal emission requirements. Cutting Blade Metal cutting blade for a cold start. 20. Muffler with the cutting attachment. 9. ...
... sleeve and gearbox. 10. Machine Support For resting machine on ground and keeps bed redefiner blade at 6500 rpm 2,800 rpm 32 FB 131 Carburetor Adjusting Screws For tuning the carburetor. 19. Specifications EPA / CEPA The Emission Compliance ...Extended = 300 hours Intermediate = 125 hours Moderate = 50 hours Engine STIHL single cylinder four-stroke engine with mixture lubrication FB 131 Displacement: Bore: Stroke: Engine power to meet Federal emission requirements. Cutting Blade Metal cutting blade for a cold start. 20. Muffler with the cutting attachment. 9. ...
Instruction Manual
Page 35
The symbol may appear alone on waste disposal. 000BA073 KN dry, with deflector and blade 17.2 lbs (7.8 kg) FB 131 33 Observe all country-specific waste disposal rules and regulations. STIHL recommends that other repair work be performed only by the STIHL parts symbol K. For repairs of any component of this unit should carry out only...
The symbol may appear alone on waste disposal. 000BA073 KN dry, with deflector and blade 17.2 lbs (7.8 kg) FB 131 33 Observe all country-specific waste disposal rules and regulations. STIHL recommends that other repair work be performed only by the STIHL parts symbol K. For repairs of any component of this unit should carry out only...
