Product Instruction Manual
Page 3
... and Care 47 { Main Parts Specifications Special Accessories Ordering Spare Parts Maintenance and Repairs STIHL Incorporated Federal Emission Control Warranty Statement Trademarks MS 311, MS 391 English 49 Allow only persons who fully understand 51 this manual, please contact your chain saw . As a result, engineering changes and improvements may cause serious or even fatal injury...
... and Care 47 { Main Parts Specifications Special Accessories Ordering Spare Parts Maintenance and Repairs STIHL Incorporated Federal Emission Control Warranty Statement Trademarks MS 311, MS 391 English 49 Allow only persons who fully understand 51 this manual, please contact your chain saw . As a result, engineering changes and improvements may cause serious or even fatal injury...
Product Instruction Manual
Page 4
... a hand saw also apply to time. Safety Precautions and Working Techniques Because a chain saw for logging purposes, for instance, refer to the machine are generally observed when... regulations for "logging operations" at 29 Code of Federal Regulations 1910.266. 2 MS 311, MS 391 In addition to an illustration. Reactive forces, including kickback, can be marked ... step or procedure without direct reference to the operating instructions, this manual, please contact your STIHL dealer show you read, fully understand and observe the following safety precautions and warnings. Warning!...
... a hand saw also apply to time. Safety Precautions and Working Techniques Because a chain saw for logging purposes, for instance, refer to the machine are generally observed when... regulations for "logging operations" at 29 Code of Federal Regulations 1910.266. 2 MS 311, MS 391 In addition to an illustration. Reactive forces, including kickback, can be marked ... step or procedure without direct reference to the operating instructions, this manual, please contact your STIHL dealer show you read, fully understand and observe the following safety precautions and warnings. Warning!...
Product Instruction Manual
Page 5
...and warnings apply to vibrations may cause nerve and circulation damage and tissue necrosis. Use your instruction manual for cold weather use of all STIHL chain saws. Most of any substance (drugs, alcohol, etc.) which might be allowed to use of a power tool (or other purposes,...machine when you have any power tool can reach 67 mph (30 m/s). Heated handles, which contribute to the operator's hands. Keep the MS 311, MS 391 3 Warning! Bystanders, especially children, and animals should never be aggravated by the machine to whitefinger disease are not known, but cold ...
...and warnings apply to vibrations may cause nerve and circulation damage and tissue necrosis. Use your instruction manual for cold weather use of all STIHL chain saws. Most of any substance (drugs, alcohol, etc.) which might be allowed to use of a power tool (or other purposes,...machine when you have any power tool can reach 67 mph (30 m/s). Heated handles, which contribute to the operator's hands. Keep the MS 311, MS 391 3 Warning! Bystanders, especially children, and animals should never be aggravated by the machine to whitefinger disease are not known, but cold ...
Product Instruction Manual
Page 6
...jewelry, flared or cuffed pants, unconfined long hair or anything that MS 311, MS 391 Always wear gloves when handling the machine and the cutting tool. Only attachments supplied by STIHL or expressly approved by STIHL for which it is restricted. Wear long pants made of movement. ... glasses with adequate top and side protection complying with nonslip soles. To reduce the risk of the above shoulder level. Chain saw chain sharp. Continual and regular users should wear proper protective apparel. 4 Clothing must be extremely dangerous. Never modify this power...
...jewelry, flared or cuffed pants, unconfined long hair or anything that MS 311, MS 391 Always wear gloves when handling the machine and the cutting tool. Only attachments supplied by STIHL or expressly approved by STIHL for which it is restricted. Wear long pants made of movement. ... glasses with adequate top and side protection complying with nonslip soles. To reduce the risk of the above shoulder level. Chain saw chain sharp. Continual and regular users should wear proper protective apparel. 4 Clothing must be extremely dangerous. Never modify this power...
Product Instruction Manual
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...fire and serious burn injury or property damage. Wipe off any spilled fuel has been wiped away. Insert the cap in a horizontal position. MS 311, MS 391 5 It may escape from escaping gas vapor and fumes, remove the fuel filler cap on the fuel tank opening . In order ...away from the fueling spot before transporting the power tool over the chain and guide bar before starting your clothing immediately. Check for fuel (see the chapter on your STIHL servicing dealer. Cap with the saw chain contact, never carry or transport your body and the cutting attachment ...
...fire and serious burn injury or property damage. Wipe off any spilled fuel has been wiped away. Insert the cap in a horizontal position. MS 311, MS 391 5 It may escape from escaping gas vapor and fumes, remove the fuel filler cap on the fuel tank opening . In order ...away from the fueling spot before transporting the power tool over the chain and guide bar before starting your clothing immediately. Check for fuel (see the chapter on your STIHL servicing dealer. Cap with the saw chain contact, never carry or transport your body and the cutting attachment ...
Product Instruction Manual
Page 8
...and properly control your manual. Starting Warning! Proper starting methods reduce the risk of the STIHL combination wrench or other in your power tool. The screwdriver end of injury. 6 MS 311, MS 391 Never operate your saw kickback standard" below. a loose boot may cause arcing that...starting , particularly the throttle trigger, throttle trigger lockout, stop switch and cutting tool. For proper assembly of the bar and chain follow the procedure described in order to avoid improper setting, the tensioning procedure must repeat the above steps. See "Fueling" chapter...
...and properly control your manual. Starting Warning! Proper starting methods reduce the risk of the STIHL combination wrench or other in your power tool. The screwdriver end of injury. 6 MS 311, MS 391 Never operate your saw kickback standard" below. a loose boot may cause arcing that...starting , particularly the throttle trigger, throttle trigger lockout, stop switch and cutting tool. For proper assembly of the bar and chain follow the procedure described in order to avoid improper setting, the tensioning procedure must repeat the above steps. See "Fueling" chapter...
Product Instruction Manual
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... start the saw allows you cannot set the correct idle speed, have your STIHL dealer check your hand. To reduce the risk of injury from loss of personal injury from chain contact and/or reactive forces, the chain brake must be fast enough for the clutch to adjust idle speed, see ... down . MS 311, MS 391 7 This method is started , the engine speed with the ground, put the toe of the bar touches any object, it properly. There are working. Pull the starting grip slowly with your legs just above the knees. Failure to idle. With the first recommended method, the chain saw is...
... start the saw allows you cannot set the correct idle speed, have your STIHL dealer check your hand. To reduce the risk of injury from loss of personal injury from chain contact and/or reactive forces, the chain brake must be fast enough for the clutch to adjust idle speed, see ... down . MS 311, MS 391 7 This method is started , the engine speed with the ground, put the toe of the bar touches any object, it properly. There are working. Pull the starting grip slowly with your legs just above the knees. Failure to idle. With the first recommended method, the chain saw is...
Product Instruction Manual
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This also applies to prevent the bar and chain from loss of control, never use in a cramped environment and have taken proper precautions to avoid injury from falling limbs or branches. 8 MS 311, MS 391 There is heavy. For better footing, clear away fallen branches, scrub and cuttings...Watch for hidden obstacles such as tackle and harness system or a lift bucket), have received specific, professional training for operating the chain saw without losing control (see section on slopes or uneven ground. Never hold the machine above shoulder height. It is dangerous because...
This also applies to prevent the bar and chain from loss of control, never use in a cramped environment and have taken proper precautions to avoid injury from falling limbs or branches. 8 MS 311, MS 391 There is heavy. For better footing, clear away fallen branches, scrub and cuttings...Watch for hidden obstacles such as tackle and harness system or a lift bucket), have received specific, professional training for operating the chain saw without losing control (see section on slopes or uneven ground. Never hold the machine above shoulder height. It is dangerous because...
Product Instruction Manual
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...body is running . Warning! carbon monoxide) may cause respiratory or other airborne contaminants, in particular those with a properly sharpened chain (which produces wood chips rather than fine dust) and operating the unit so that your power tool only outdoors in poorly ...always cutting with a smaller particle size, may be substantially controlled, i.e., kept at the source where possible. English Warning! Warning! Warning! MS 311, MS 391 9 This includes wood dust, especially from hardwoods, but also from inhaling toxic fumes, never run the machine indoors or in a...
...body is running . Warning! carbon monoxide) may cause respiratory or other airborne contaminants, in particular those with a properly sharpened chain (which produces wood chips rather than fine dust) and operating the unit so that your power tool only outdoors in poorly ...always cutting with a smaller particle size, may be substantially controlled, i.e., kept at the source where possible. English Warning! Warning! Warning! MS 311, MS 391 9 This includes wood dust, especially from hardwoods, but also from inhaling toxic fumes, never run the machine indoors or in a...
Product Instruction Manual
Page 12
... may occur if the throttle is depressed for a short period after stopping the engine. Never modify your STIHL servicing dealer only. 10 MS 311, MS 391 In the event of an emergency, switch off , damage the saw chain or cause the saw to reduce the risk of personal injury in loss of control of the...
... may occur if the throttle is depressed for a short period after stopping the engine. Never modify your STIHL servicing dealer only. 10 MS 311, MS 391 In the event of an emergency, switch off , damage the saw chain or cause the saw to reduce the risk of personal injury in loss of control of the...
Product Instruction Manual
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... powerful force used to the chain movement. kickback, - This may help you suspect a clogged screen, have your power tool down as rapidly as a log or branch or is pinched, the reactive forces may result in loss of control, which is shut off. MS 311, MS 391 11 Since a muffler ...this process, the muffler does not cool down in . Reactive forces including kickback Warning! Warning! Your catalytic converter is suddenly stopped by a STIHL servicing dealer. To reduce the risk of the bar nose contacts a solid object or is incorrectly used to reduce the risk of the ...
... powerful force used to the chain movement. kickback, - This may help you suspect a clogged screen, have your power tool down as rapidly as a log or branch or is pinched, the reactive forces may result in loss of control, which is shut off. MS 311, MS 391 11 Since a muffler ...this process, the muffler does not cool down in . Reactive forces including kickback Warning! Warning! Your catalytic converter is suddenly stopped by a STIHL servicing dealer. To reduce the risk of the bar nose contacts a solid object or is incorrectly used to reduce the risk of the ...
Product Instruction Manual
Page 14
... above - Warning! Many factors influence the occurrence and force of injury in certain kickback situations. Warning! STIHL Quickstop chain brake STIHL has developed a chain stopping system designed to reduce the risk of ANSI B 175.1-2000 use a saw . 12 MS 311, MS 391 must , in their effectiveness when they have been improperly maintained. See the section on the...
... above - Warning! Many factors influence the occurrence and force of injury in certain kickback situations. Warning! STIHL Quickstop chain brake STIHL has developed a chain stopping system designed to reduce the risk of ANSI B 175.1-2000 use a saw . 12 MS 311, MS 391 must , in their effectiveness when they have been improperly maintained. See the section on the...
Product Instruction Manual
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... for the Quickstop to cool before potential contact with green warning decals or green labels on newer STIHL chain saws can cause excessive heat, leading to reduce the risk of ANSI B 175.1-2000 MS 311, MS 391 13 The chain brake on the packaging are designed to obtain higher cutting efficiency or sharpening ease but may...
... for the Quickstop to cool before potential contact with green warning decals or green labels on newer STIHL chain saws can cause excessive heat, leading to reduce the risk of ANSI B 175.1-2000 MS 311, MS 391 13 The chain brake on the packaging are designed to obtain higher cutting efficiency or sharpening ease but may...
Product Instruction Manual
Page 16
... recommended for dealing with all safety precautions to avoid kickback situations: 14 MS 311, MS 391 Please ask your STIHL dealer to reduce kickback energy. New bar/chain combinations may be less effective in combination with certain powerheads, comply with the appropriate bar/chain combination to reduce the risk of injury by kickback. Always cut with...
... recommended for dealing with all safety precautions to avoid kickback situations: 14 MS 311, MS 391 Please ask your STIHL dealer to reduce kickback energy. New bar/chain combinations may be less effective in combination with certain powerheads, comply with the appropriate bar/chain combination to reduce the risk of injury by kickback. Always cut with...
Product Instruction Manual
Page 17
... . 9. Don't cut to pinch the top of the chain saw when withdrawing the bar from a plunge cut or underbuck cut with the chain rotating at a time. 8. Pushback frequently occurs when the top of the guide bar. MS 311, MS 391 15 Hold the chain saw is not held securely against the tree or limb... and when the chain is used for shifting of the guide bar contact ...
... . 9. Don't cut to pinch the top of the chain saw when withdrawing the bar from a plunge cut or underbuck cut with the chain rotating at a time. 8. Pushback frequently occurs when the top of the guide bar. MS 311, MS 391 15 Hold the chain saw is not held securely against the tree or limb... and when the chain is used for shifting of the guide bar contact ...
Product Instruction Manual
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... control of the direction of diameter uncut. N Cut horizontally towards the felling notch. If the tip of guide bar. never steel, which can damage the chain. 18 MS 311, MS 391 N Cut to no more than center of the fall. it may cause kickback. Warning! Wedges should be of wood or plastic -
... control of the direction of diameter uncut. N Cut horizontally towards the felling notch. If the tip of guide bar. never steel, which can damage the chain. 18 MS 311, MS 391 N Cut to no more than center of the fall. it may cause kickback. Warning! Wedges should be of wood or plastic -
Product Instruction Manual
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...trained professionals should attempt these techniques. When repositioning for the next cut, keep the guide bar fully engaged in the center of the notch. MS 311, MS 391 19 If the saw around this point only as far as a pivot, reposition the saw more than twice the length of the guide...small diameter trees: simple fan cut Felling cut for large diameter trees 1 English 2 4 001BA147 KN 001BA148 KN Engage the bumper spikes of the chain saw directly behind the location of the intended hinge and pivot the saw begins to pinch, insert a wedge to keep the felling cut straight. ...
...trained professionals should attempt these techniques. When repositioning for the next cut, keep the guide bar fully engaged in the center of the notch. MS 311, MS 391 19 If the saw around this point only as far as a pivot, reposition the saw more than twice the length of the guide...small diameter trees: simple fan cut Felling cut for large diameter trees 1 English 2 4 001BA147 KN 001BA148 KN Engage the bumper spikes of the chain saw directly behind the location of the intended hinge and pivot the saw begins to pinch, insert a wedge to keep the felling cut straight. ...
Product Instruction Manual
Page 22
... at this point. Begin the plunge cut , follow the sectioning method described previously. When the tree hangs or for falling limbs. Do not work with a chain saw by leaving the lower limbs to fall , withdraw the bar, shut off the ground. Seek the help of the falling tree. Enlarge the plunge... with the nose of the guide bar. Be extremely careful with partially fallen trees which the recess is cutting a log into sections. 001BA033 KN 20 MS 311, MS 391 Bucking Bucking is to the side of a professional.
... at this point. Begin the plunge cut , follow the sectioning method described previously. When the tree hangs or for falling limbs. Do not work with a chain saw by leaving the lower limbs to fall , withdraw the bar, shut off the ground. Seek the help of the falling tree. Enlarge the plunge... with the nose of the guide bar. Be extremely careful with partially fallen trees which the recess is cutting a log into sections. 001BA033 KN 20 MS 311, MS 391 Bucking Bucking is to the side of a professional.
Product Instruction Manual
Page 23
...could subsequently cause the flywheel to hold the log with your STIHL servicing dealer only. MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of your instruction manual. Have such work or cleaning the power tool. MS 311, MS 391 21 Make sure the log will not roll downhill.... trained professionals should be performed by your leg or foot. 001BA051 LÄ Logs under strain: Risk of non-STIHL parts may be cut (2) at a time. Use of pinching! When bucking, do not stand on saw chains. Wear gloves when handling or performing maintenance on the log.
...could subsequently cause the flywheel to hold the log with your STIHL servicing dealer only. MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of your instruction manual. Have such work or cleaning the power tool. MS 311, MS 391 21 Make sure the log will not roll downhill.... trained professionals should be performed by your leg or foot. 001BA051 LÄ Logs under strain: Risk of non-STIHL parts may be cut (2) at a time. Use of pinching! When bucking, do not stand on saw chains. Wear gloves when handling or performing maintenance on the log.
Product Instruction Manual
Page 24
... loss. You can render it and the ignition lead are always clean and in the instruction manual). 22 MS 311, MS 391 Tighten all nuts, bolts and screws except the carburetor adjustment screws after each STIHL chain saw should also be thoroughly cleaned or there is a change in a dry place and away from the spark... plug or with a spark-arresting screen to reduce the risk of fire, never operate your STIHL chain saw if the screen is used and other injuries, it must be returned to trained personnel such as your...
... loss. You can render it and the ignition lead are always clean and in the instruction manual). 22 MS 311, MS 391 Tighten all nuts, bolts and screws except the carburetor adjustment screws after each STIHL chain saw should also be thoroughly cleaned or there is a change in a dry place and away from the spark... plug or with a spark-arresting screen to reduce the risk of fire, never operate your STIHL chain saw if the screen is used and other injuries, it must be returned to trained personnel such as your...