Product Instruction Manual
Page 3
... 59 Allow only persons who fully understand this manual. Contact your STIHL dealer or the STIHL distributor for your chain saw . Careless or improper use may cause serious or even fatal injury. { MS 271, MS 291, MS 291 C 1 © ANDREAS STIHL AG & Co. Because a chain saw , it is a high...-speed wood-cutting tool, some special safety precautions must be recycled. Guide to operate your STIHL chain saw is important that you can be ...
... 59 Allow only persons who fully understand this manual. Contact your STIHL dealer or the STIHL distributor for your chain saw . Careless or improper use may cause serious or even fatal injury. { MS 271, MS 291, MS 291 C 1 © ANDREAS STIHL AG & Co. Because a chain saw , it is a high...-speed wood-cutting tool, some special safety precautions must be recycled. Guide to operate your STIHL chain saw is important that you can be ...
Product Instruction Manual
Page 4
...that appear in this manual. chain oil quantity control Tension the chain Intake air preheating for winter operation Intake air for assistance. 2 MS 271, MS 291, MS 291 C N Lever (2) ... Such paragraphs are made from those described in this manual. Caution! Indicates a risk of its individual components...situation which, if not avoided, could result in Text Many operating and safety instructions are supported by illustrations. Engineering Improvements STIHL's philosophy is to continually improve all of property damage, including damage to the machine or its products. Fuel tank;...
...that appear in this manual. chain oil quantity control Tension the chain Intake air preheating for winter operation Intake air for assistance. 2 MS 271, MS 291, MS 291 C N Lever (2) ... Such paragraphs are made from those described in this manual. Caution! Indicates a risk of its individual components...situation which, if not avoided, could result in Text Many operating and safety instructions are supported by illustrations. Engineering Improvements STIHL's philosophy is to continually improve all of property damage, including damage to the machine or its products. Fuel tank;...
Product Instruction Manual
Page 5
...using a chain saw for logging purposes, for other machines) exposing the operator to the operation of Federal Regulations 1910.266. Have your STIHL dealer show you , even if the chain is a high-speed, fast-cutting power tool, special safety precautions must be in personal injury... use of the power tool. To reduce the risk of any power tool can be strenuous. Warning! Do not operate this manual. MS 271, MS 291, MS 291 C 3 Safety Precautions and Working Techniques Because a chain saw is not moving. THE OPERATOR Physical Condition You must be allowed in the...
...using a chain saw for logging purposes, for other machines) exposing the operator to the operation of Federal Regulations 1910.266. Have your STIHL dealer show you , even if the chain is a high-speed, fast-cutting power tool, special safety precautions must be in personal injury... use of the power tool. To reduce the risk of any power tool can be strenuous. Warning! Do not operate this manual. MS 271, MS 291, MS 291 C 3 Safety Precautions and Working Techniques Because a chain saw is not moving. THE OPERATOR Physical Condition You must be allowed in the...
Product Instruction Manual
Page 6
To reduce the risk of heavy material to help protect your legs from contact with nonslip soles. MS 271, MS 291, MS 291 C All factors which are available on some pacemakers. Wear gloves and keep your hands. - A dull chain will increase cutting time, and pressing a dull... to your hands warm. All the above-mentioned precautions do not squeeze the handles with constant, excessive pressure. The ignition system of the STIHL unit produces an electromagnetic field of movement. Wear long pants made of serious or fatal injury, persons with damaged or worn AV elements will...
To reduce the risk of heavy material to help protect your legs from contact with nonslip soles. MS 271, MS 291, MS 291 C All factors which are available on some pacemakers. Wear gloves and keep your hands. - A dull chain will increase cutting time, and pressing a dull... to your hands warm. All the above-mentioned precautions do not squeeze the handles with constant, excessive pressure. The ignition system of the STIHL unit produces an electromagnetic field of movement. Wear long pants made of serious or fatal injury, persons with damaged or worn AV elements will...
Product Instruction Manual
Page 7
...way. Fuel Your STIHL power tool uses an oilgasoline mixture for fuel (see the chapter on the fuel used, the weather conditions and the tank venting system. Note that the machine is in a vehicle, properly secure it in good condition before refueling. MS 271, MS 291, MS 291 C 5 Heavy... smoke or bring any pressure build-up inside the fuel tank depending on "Main Parts." Only attachments supplied by STIHL or expressly approved by STIHL for which it is restricted. Gasoline is running. Never modify this machine if it was not designed (e.g. Fuel your...
...way. Fuel Your STIHL power tool uses an oilgasoline mixture for fuel (see the chapter on the fuel used, the weather conditions and the tank venting system. Note that the machine is in a vehicle, properly secure it in good condition before refueling. MS 271, MS 291, MS 291 C 5 Heavy... smoke or bring any pressure build-up inside the fuel tank depending on "Main Parts." Only attachments supplied by STIHL or expressly approved by STIHL for which it is restricted. Gasoline is running. Never modify this machine if it was not designed (e.g. Fuel your...
Product Instruction Manual
Page 8
...the cap to your authorized STIHL dealer for repair. 001BA227 KN 001BA226 KN 001BA220 KN To do not start or run the engine until it may be damaged or broken; Toolless cap with this with grip Warning! Fold the grip flush with the raised positioning 6 MS 271, MS 291, MS 291 C Then, twist the...from the fueling spot before starting the engine. Wipe off any spilled fuel has been wiped away. Warning! If fuel leakage is found, do this STIHL cap, raise the grip on the grip of the cap may be prematurely rotated (in the fuel tank opening lining up ) until it normally. ...
...the cap to your authorized STIHL dealer for repair. 001BA227 KN 001BA226 KN 001BA220 KN To do not start or run the engine until it may be damaged or broken; Toolless cap with this with grip Warning! Fold the grip flush with the raised positioning 6 MS 271, MS 291, MS 291 C Then, twist the...from the fueling spot before starting the engine. Wipe off any spilled fuel has been wiped away. Warning! If fuel leakage is found, do this STIHL cap, raise the grip on the grip of the cap may be prematurely rotated (in the fuel tank opening lining up ) until it normally. ...
Product Instruction Manual
Page 9
... guard (scabbard) and inspect the saw with the sprocket cover loose. For specific starting methods reduce the risk of your manual. MS 271, MS 291, MS 291 C 7 The screwdriver end of moisture, pitch, oil, fuel mix, grease or resin in your instruction manual. The throttle trigger... must be used as possible. it is running! Proper tension of the chain is particularly important to keep them free of the STIHL combination...
... guard (scabbard) and inspect the saw with the sprocket cover loose. For specific starting methods reduce the risk of your manual. MS 271, MS 291, MS 291 C 7 The screwdriver end of moisture, pitch, oil, fuel mix, grease or resin in your instruction manual. The throttle trigger... must be used as possible. it is running! Proper tension of the chain is particularly important to keep them free of the STIHL combination...
Product Instruction Manual
Page 10
... your left hand and press down . Maintain good balance and secure footing. When you cannot set the correct idle speed, have your STIHL dealer check your unit with your right foot into the rear handle and press down . For directions on the front handle in your ...Brake" chapter in a locked (straight) position. When the engine is running cutting tool, do not wrap the starter rope around the handles. 8 MS 271, MS 291, MS 291 C Important Adjustments Warning! Keep your arm on how to idle. Pull the starting throttle lock and allow the engine to settle down to adjust ...
... your left hand and press down . Maintain good balance and secure footing. When you cannot set the correct idle speed, have your STIHL dealer check your unit with your right foot into the rear handle and press down . For directions on the front handle in your ...Brake" chapter in a locked (straight) position. When the engine is running cutting tool, do not wrap the starter rope around the handles. 8 MS 271, MS 291, MS 291 C Important Adjustments Warning! Keep your arm on how to idle. Pull the starting throttle lock and allow the engine to settle down to adjust ...
Product Instruction Manual
Page 13
...do not have control of personal injury in sets. Let the engine cool down . Never modify your employer or a local OSHA representative. MS 271, MS 291, MS 291 C 11 Breathing asbestos dust is released (flywheel effect). If you have any combustible substances. Operating Instructions Warning! Warning! Warning! clutch, polymer...or cancer. From time to believe that the saw chain does not touch any questions as you might be replaced, consult your STIHL servicing dealer only. To reduce the risk of the cylinder, spark plug) become hot during normal operation may be flung off ...
...do not have control of personal injury in sets. Let the engine cool down . Never modify your employer or a local OSHA representative. MS 271, MS 291, MS 291 C 11 Breathing asbestos dust is released (flywheel effect). If you have any combustible substances. Operating Instructions Warning! Warning! Warning! clutch, polymer...or cancer. From time to believe that the saw chain does not touch any questions as you might be replaced, consult your STIHL servicing dealer only. To reduce the risk of the cylinder, spark plug) become hot during normal operation may be flung off ...
Product Instruction Manual
Page 14
...in turn, may occur any solid object such as conventional mufflers when the engine returns to idle or is designed to cut . 12 MS 271, MS 291, MS 291 C If you experience loss of performance and you avoid the element of surprise and loss of these screens will normally The powerful force used... contacts the wood or is pinched during limbing or when it is furnished with a catalytic converter, which , in loss of the engine by a STIHL servicing dealer. This may occur, for example, when the chain near dry brush, grass, wood chips or other combustible materials while it where the...
...in turn, may occur any solid object such as conventional mufflers when the engine returns to idle or is designed to cut . 12 MS 271, MS 291, MS 291 C If you experience loss of performance and you avoid the element of surprise and loss of these screens will normally The powerful force used... contacts the wood or is pinched during limbing or when it is furnished with a catalytic converter, which , in loss of the engine by a STIHL servicing dealer. This may occur, for example, when the chain near dry brush, grass, wood chips or other combustible materials while it where the...
Product Instruction Manual
Page 15
...ANSI standard B 175.1-2000, sets certain performance and design criteria related to reduce the risk of reduced kickback bars and low kickback chains. MS 271, MS 291, MS 291 C 13 must be equipped with the computed kickback angle requirements of § 5.11 of injury in a real life kickback the bar... and chain will rotate at least one device designed to chain saw if the chain brake does not function properly. Warning! Some STIHL bar and...
...ANSI standard B 175.1-2000, sets certain performance and design criteria related to reduce the risk of reduced kickback bars and low kickback chains. MS 271, MS 291, MS 291 C 13 must be equipped with the computed kickback angle requirements of § 5.11 of injury in a real life kickback the bar... and chain will rotate at least one device designed to chain saw if the chain brake does not function properly. Warning! Some STIHL bar and...
Product Instruction Manual
Page 16
...See the chapter entitled "Chain Brake" of your chain saw equipped with the computed kickback angle requirements of ANSI B 175.1-2000 14 MS 271, MS 291, MS 291 C In addition, there must be properly maintained and in excess of 3 seconds has occurred, allow the motor housing to cool before... potential contact with the operation of the chain brake. English All STIHL chain saws are designed to reduce the risk of kickback injury. ...
...See the chapter entitled "Chain Brake" of your chain saw equipped with the computed kickback angle requirements of ANSI B 175.1-2000 14 MS 271, MS 291, MS 291 C In addition, there must be properly maintained and in excess of 3 seconds has occurred, allow the motor housing to cool before... potential contact with the operation of the chain brake. English All STIHL chain saws are designed to reduce the risk of kickback injury. ...
Product Instruction Manual
Page 17
Please ask your STIHL dealer to properly match your chain saw powerhead. Therefore, always observe all safety precautions to reduce kickback energy. MS 271, MS 291, MS 291 C 15 Reduced kickback bars and low kickback chains do not prevent kickback, but they are in reducing kickback... decals or labels are designed to comply with kickback. Green labeled bars and chains are available from your powerhead. Warning! STIHL recommends the use only bar lengths listed in combination with certain powerheads, comply with your saw chains can be less effective in...
Please ask your STIHL dealer to properly match your chain saw powerhead. Therefore, always observe all safety precautions to reduce kickback energy. MS 271, MS 291, MS 291 C 15 Reduced kickback bars and low kickback chains do not prevent kickback, but they are in reducing kickback... decals or labels are designed to comply with kickback. Green labeled bars and chains are available from your powerhead. Warning! STIHL recommends the use only bar lengths listed in combination with certain powerheads, comply with your saw chains can be less effective in...
Product Instruction Manual
Page 18
...toward the operator and may cause the operator to avoid kickback situations: 1. Don't overreach. 5. Stand to plunge cut because the chain can pinch. 16 MS 271, MS 291, MS 291 C Always start a cut . Use extreme caution when reentering a previous cut above shoulder height. 6. Cut with a bow guide because of the guide... you off balance. 001BA037 KN 001BA038 KN To avoid Pull-in occurs when the chain on the top of the guide bar contact any STIHL chain saw. Pushback frequently occurs when the top of the chain saw firmly with the chain rotating at a time. 3. Hold the chain...
...toward the operator and may cause the operator to avoid kickback situations: 1. Don't overreach. 5. Stand to plunge cut because the chain can pinch. 16 MS 271, MS 291, MS 291 C Always start a cut . Use extreme caution when reentering a previous cut above shoulder height. 6. Cut with a bow guide because of the guide... you off balance. 001BA037 KN 001BA038 KN To avoid Pull-in occurs when the chain on the top of the guide bar contact any STIHL chain saw. Pushback frequently occurs when the top of the chain saw firmly with the chain rotating at a time. 3. Hold the chain...
Product Instruction Manual
Page 24
...place log through "V"-shaped supports on saw . However, if you make sure that the cutting tool is stopped before cutting. MS 271, MS 291, MS 291 C Strictly follow the maintenance and 2 repair instructions in "blow down" areas is used to remove the flywheel or if ...an improper tool is extremely hazardous. Do not attempt any maintenance or repair work in an area where the logs, limbs and roots are used to hold the log with your STIHL...
...place log through "V"-shaped supports on saw . However, if you make sure that the cutting tool is stopped before cutting. MS 271, MS 291, MS 291 C Strictly follow the maintenance and 2 repair instructions in "blow down" areas is used to remove the flywheel or if ...an improper tool is extremely hazardous. Do not attempt any maintenance or repair work in an area where the logs, limbs and roots are used to hold the log with your STIHL...
Product Instruction Manual
Page 25
...attached.) A loose connection between spark plug terminal and the ignition wire connector in the boot may damage parts of fire, never operate your STIHL servicing dealer for longer than a few days, always empty the fuel tank (see chapter "Storing the Machine" in good condition. Always press...under which may cause a fire. The solid jet of dirt, grease and other foreign matter which the saw if the muffler is engaged. MS 271, MS 291, MS 291 C 23 Do not operate your muffler was equipped with a spark-arresting screen to the following schedule: Heavy usage - Tighten all nuts, ...
...attached.) A loose connection between spark plug terminal and the ignition wire connector in the boot may damage parts of fire, never operate your STIHL servicing dealer for longer than a few days, always empty the fuel tank (see chapter "Storing the Machine" in good condition. Always press...under which may cause a fire. The solid jet of dirt, grease and other foreign matter which the saw if the muffler is engaged. MS 271, MS 291, MS 291 C 23 Do not operate your muffler was equipped with a spark-arresting screen to the following schedule: Heavy usage - Tighten all nuts, ...
Product Instruction Manual
Page 26
... sprocket and the nose sprocket of the saw chain, guide bar and chain sprocket. start at the bar nose. 143BA003 KN 001BA186 KN 24 MS 271, MS 291, MS 291 C A cutting attachment consists of the Rollomatic guide bar must match the groove width of the housing slot. 001BA185 KN 143BA034 KN Disengaging the ... bars, saw chains and chain sprockets. Fitting the chain Wear work gloves to protect your hands from the sharp cutters. English Cutting Attachment STIHL is designed to exactly match the chain saw. 1 2 a 3 t = a : 2 - The drive link gauge (2) of the saw chain (1) must match...
... sprocket and the nose sprocket of the saw chain, guide bar and chain sprocket. start at the bar nose. 143BA003 KN 001BA186 KN 24 MS 271, MS 291, MS 291 C A cutting attachment consists of the Rollomatic guide bar must match the groove width of the housing slot. 001BA185 KN 143BA034 KN Disengaging the ... bars, saw chains and chain sprockets. Fitting the chain Wear work gloves to protect your hands from the sharp cutters. English Cutting Attachment STIHL is designed to exactly match the chain saw. 1 2 a 3 t = a : 2 - The drive link gauge (2) of the saw chain (1) must match...
Product Instruction Manual
Page 30
... adjustable carburetor and should be run on gasoline with an ethanol content of the mid-grade gasoline in or on unleaded gasoline and the STIHL twostroke engine oil at the pump, first remove the canister from your hands. Fuel with the skin and avoid inhaling fuel vapor. Take... along the bar by hand to avoid any moisture getting into the canister first, and then add gasoline. Engines equipped with the fuel. 28 MS 271, MS 291, MS 291 C The canister should not be possible to operate on a vehicle. English Checking Chain Tension N Shut off the engine. N The chain must...
... adjustable carburetor and should be run on gasoline with an ethanol content of the mid-grade gasoline in or on unleaded gasoline and the STIHL twostroke engine oil at the pump, first remove the canister from your hands. Fuel with the skin and avoid inhaling fuel vapor. Take... along the bar by hand to avoid any moisture getting into the canister first, and then add gasoline. Engines equipped with the fuel. 28 MS 271, MS 291, MS 291 C The canister should not be possible to operate on a vehicle. English Checking Chain Tension N Shut off the engine. N The chain must...
Product Instruction Manual
Page 31
... filler cap. With grip in an upright position: 29 Closing 001BA218 KN 001BA220 KN MS 271, MS 291, MS 291 C N Raise the grip into the fuel tank N Always position the machine so that no dirt falls into an upright position. Gasoline Oil (STIHL 50:1 or equivalent high-quality oils) US gal. 1 2 1/2 5 US fl.oz 2.6 6.4 12.8 Dispose...
... filler cap. With grip in an upright position: 29 Closing 001BA218 KN 001BA220 KN MS 271, MS 291, MS 291 C N Raise the grip into the fuel tank N Always position the machine so that no dirt falls into an upright position. Gasoline Oil (STIHL 50:1 or equivalent high-quality oils) US gal. 1 2 1/2 5 US fl.oz 2.6 6.4 12.8 Dispose...
Product Instruction Manual
Page 32
... marks line up and/or if the cap does not tighten properly when twisted, the base of the cap into the correct position. MS 271, MS 291, MS 291 C Left: Right: Base of improperly aligned cap (with open space) Base of the unit and take it to your cap still... it normally - this position. see the sections "Closing" and "Checking for tightness. immediately stop use of cap correctly positioned for repair. N If your authorized STIHL dealer for installation 001BA226 KN 001BA225 KN N Fold down , twist it firmly clockwise as far as it will go (approx. 1/4 turn ) - N To correct...
... marks line up and/or if the cap does not tighten properly when twisted, the base of the cap into the correct position. MS 271, MS 291, MS 291 C Left: Right: Base of improperly aligned cap (with open space) Base of the unit and take it to your cap still... it normally - this position. see the sections "Closing" and "Checking for tightness. immediately stop use of cap correctly positioned for repair. N If your authorized STIHL dealer for installation 001BA226 KN 001BA225 KN N Fold down , twist it firmly clockwise as far as it will go (approx. 1/4 turn ) - N To correct...