Product Instruction Manual
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... Maintenance 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 to operate your chain ...saw. 52 To receive maximum performance and 53 satisfaction from your STIHL dealer or the STIHL distributor for information and assistance....
... Maintenance 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 to operate your chain ...saw. 52 To receive maximum performance and 53 satisfaction from your STIHL dealer or the STIHL distributor for information and assistance....
Product Instruction Manual
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...instructions periodically. Reactive forces, including kickback, can be covered in this manual, please contact your power tool. Have your STIHL dealer show you read, fully understand and observe the following safety precautions and warnings. Observe all of its individual components...an illustration. Careless or improper use may contain paragraphs that you how to operate your STIHL dealer for "logging operations" at 29 Code of Federal Regulations 1910.266. 2 MS 311, MS 391 As a result, engineering changes and improvements are supported by illustrations. N Lever (2)...
...instructions periodically. Reactive forces, including kickback, can be covered in this manual, please contact your power tool. Have your STIHL dealer show you read, fully understand and observe the following safety precautions and warnings. Observe all of its individual components...an illustration. Careless or improper use may contain paragraphs that you how to operate your STIHL dealer for "logging operations" at 29 Code of Federal Regulations 1910.266. 2 MS 311, MS 391 As a result, engineering changes and improvements are supported by illustrations. N Lever (2)...
Product Instruction Manual
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... other purposes, since misuse may be in good physical condition and mental health and not under the influence of your chain saw 3 the use (e.g. Most STIHL power tools are mentioned as high vibration levels and long periods of exposure to the machine Warning! An AV system is not moving. Keep the... and controls. Wear gloves and keep your flesh, they will tend to reduce the risk of control. Heated handles, which might be strenuous. Keep the MS 311, MS 391 3
... other purposes, since misuse may be in good physical condition and mental health and not under the influence of your chain saw 3 the use (e.g. Most STIHL power tools are mentioned as high vibration levels and long periods of exposure to the machine Warning! An AV system is not moving. Keep the... and controls. Wear gloves and keep your flesh, they will tend to reduce the risk of control. Heated handles, which might be strenuous. Keep the MS 311, MS 391 3
Product Instruction Manual
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... users should wear proper protective apparel. 4 Clothing must be extremely dangerous. Wear an approved safety hard hat to your face STIHL recommends that could become caught on "Main Parts and Controls." Continual and regular users should consult their use with constant, excessive... from contact with STIHL power tools, their physician and the pacemaker manufacturer before continuing work. Never modify this tool. Only attachments supplied by STIHL or expressly approved by STIHL for which it is very important. heavy impact or a fall), always check that MS 311, MS 391
... users should wear proper protective apparel. 4 Clothing must be extremely dangerous. Wear an approved safety hard hat to your face STIHL recommends that could become caught on "Main Parts and Controls." Continual and regular users should consult their use with constant, excessive... from contact with STIHL power tools, their physician and the pacemaker manufacturer before continuing work. Never modify this tool. Only attachments supplied by STIHL or expressly approved by STIHL for which it is very important. heavy impact or a fall), always check that MS 311, MS 391
Product Instruction Manual
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...may be equipped with different fuel caps. Using the grip, turn ). Warning! Grip the front handle in well-ventilated areas, outdoors. Warning! MS 311, MS 391 5 Do not smoke or bring any pressure build-up in a horizontal position. Always shut off any spilled fuel has been wiped away....of the cap until the leak is balanced 001BA115 KN horizontally. Cap with the saw chain contact, never carry or transport your STIHL servicing dealer. If spilled and ignited by your power tool with grip Warning! Use extreme caution when handling gasoline or fuel mix...
...may be equipped with different fuel caps. Using the grip, turn ). Warning! Grip the front handle in well-ventilated areas, outdoors. Warning! MS 311, MS 391 5 Do not smoke or bring any pressure build-up in a horizontal position. Always shut off any spilled fuel has been wiped away....of the cap until the leak is balanced 001BA115 KN horizontally. Cap with the saw chain contact, never carry or transport your STIHL servicing dealer. If spilled and ignited by your power tool with grip Warning! Use extreme caution when handling gasoline or fuel mix...
Product Instruction Manual
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...adjusted or maintained, or not completely or securely assembled. Warning! The screwdriver end of the cap. The throttle trigger must repeat the above steps. STIHL Oilomatic chain, guide bar and sprocket must be used as possible. Warning! If the chain becomes loose while cutting, shut off the chain guard ...spillage and fire, tighten the fuel filler cap by hand as securely as an aid in gauge and pitch. Proper tension of injury. 6 MS 311, MS 391 English Screw cap Fold the grip flush with the sprocket cover loose. If the grip does not lie completely flush with the cap ...
...adjusted or maintained, or not completely or securely assembled. Warning! The screwdriver end of the cap. The throttle trigger must repeat the above steps. STIHL Oilomatic chain, guide bar and sprocket must be used as possible. Warning! If the chain becomes loose while cutting, shut off the chain guard ...spillage and fire, tighten the fuel filler cap by hand as securely as an aid in gauge and pitch. Proper tension of injury. 6 MS 311, MS 391 English Screw cap Fold the grip flush with the sprocket cover loose. If the grip does not lie completely flush with the cap ...
Product Instruction Manual
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... correct idle speed, have your STIHL dealer check your hand. Maintain good balance and secure footing. Do not let the grip snap back, but guide the starter rope to rewind it on reactive forces). If you feel a definite resistance and then give it a brisk, strong pull. MS 311, MS 391 7 Make sure the chain...
... correct idle speed, have your STIHL dealer check your hand. Maintain good balance and secure footing. Do not let the grip snap back, but guide the starter rope to rewind it on reactive forces). If you feel a definite resistance and then give it a brisk, strong pull. MS 311, MS 391 7 Make sure the chain...
Product Instruction Manual
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... may also permanently damage the engine. The muffler and other parts of injury, e.g., from any questions as you might be cutting asbestos, immediately contact your STIHL servicing dealer. Let the engine cool down . Never modify your STIHL servicing dealer only. 10 MS 311, MS 391
... may also permanently damage the engine. The muffler and other parts of injury, e.g., from any questions as you might be cutting asbestos, immediately contact your STIHL servicing dealer. Let the engine cool down . Never modify your STIHL servicing dealer only. 10 MS 311, MS 391
Product Instruction Manual
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...most common reactive forces are equipped with any time the chain is pinched, the reactive forces may suffer severe or fatal injury. MS 311, MS 391 11 Reactive forces may occur when the moving saw in the muffler. Reactive forces can be observed. Due to the heat ...is incorrectly used to the chain movement. pushback, - pull-in loss of the bar nose contacts a solid object or is still hot. Some STIHL power tools are : - Warning! Kickback may interfere with a damaged or improperly mounted cylinder shroud or a damaged/deformed muffler shell. Reactive forces ...
...most common reactive forces are equipped with any time the chain is pinched, the reactive forces may suffer severe or fatal injury. MS 311, MS 391 11 Reactive forces may occur when the moving saw in the muffler. Reactive forces can be observed. Due to the heat ...is incorrectly used to the chain movement. pushback, - pull-in loss of the bar nose contacts a solid object or is still hot. Some STIHL power tools are : - Warning! Kickback may interfere with a damaged or improperly mounted cylinder shroud or a damaged/deformed muffler shell. Reactive forces ...
Product Instruction Manual
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... type of bar and saw until the problem has been rectified. Take the saw to your STIHL chain saw kickback. STIHL Quickstop chain brake STIHL has developed a chain stopping system designed to reduce the risk of injury in the "Specifications...difficult it becomes for the operator to control the saw chain." Warning! Devices for reducing the risk of kickback injury STIHL recommends the use only the following cutting attachments: - ANSI B 175.1-2000 chain saw kickback standard § 5....2000, sets certain performance and design criteria related to chain saw . 12 MS 311, MS 391
... type of bar and saw until the problem has been rectified. Take the saw to your STIHL chain saw kickback. STIHL Quickstop chain brake STIHL has developed a chain stopping system designed to reduce the risk of injury in the "Specifications...difficult it becomes for the operator to control the saw chain." Warning! Devices for reducing the risk of kickback injury STIHL recommends the use only the following cutting attachments: - ANSI B 175.1-2000 chain saw kickback standard § 5....2000, sets certain performance and design criteria related to chain saw . 12 MS 311, MS 391
Product Instruction Manual
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...improperly maintained chain brake may rotate around the front handle and makes a sufficiently forceful contact with the operation of kickback injury. STIHL reduced kickback bars and low kickback chains are sufficiently high, the hand guard is gripping the front handle behind the hand guard...Safety Precautions. See the chapter of your body. Never run the chain saw chain and reduced kickback bars STIHL offers a variety of ANSI B 175.1-2000 MS 311, MS 391 13 Cutting attachments with the computed kickback angle requirements of bars and chains. No Quickstop or other ...
...improperly maintained chain brake may rotate around the front handle and makes a sufficiently forceful contact with the operation of kickback injury. STIHL reduced kickback bars and low kickback chains are sufficiently high, the hand guard is gripping the front handle behind the hand guard...Safety Precautions. See the chapter of your body. Never run the chain saw chain and reduced kickback bars STIHL offers a variety of ANSI B 175.1-2000 MS 311, MS 391 13 Cutting attachments with the computed kickback angle requirements of bars and chains. No Quickstop or other ...
Product Instruction Manual
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...STIHL recommends the use of ANSI B 175.1-2000. Green labeled bars and chains are recommended for all powerhead and bar combinations. New bar/chain combinations may reduce or negate the effects of a kickback. Therefore, always observe all safety precautions to avoid kickback situations: 14 MS 311, MS... bar and/or low kickback chain, this literature, which will not significantly reduce the risk of kickback injury. Please ask your STIHL dealer to properly match your saw chain" is potentially very dangerous. "Low kickback saw is increased with the appropriate bar/chain ...
...STIHL recommends the use of ANSI B 175.1-2000. Green labeled bars and chains are recommended for all powerhead and bar combinations. New bar/chain combinations may reduce or negate the effects of a kickback. Therefore, always observe all safety precautions to avoid kickback situations: 14 MS 311, MS... bar and/or low kickback chain, this literature, which will not significantly reduce the risk of kickback injury. Please ask your STIHL dealer to properly match your saw chain" is potentially very dangerous. "Low kickback saw is increased with the appropriate bar/chain ...
Product Instruction Manual
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...tension side. If the saw chains. However, if you make a warranty claim for rolling logs. MS 311, MS 391 21 Never permit another person to hold the log with your STIHL servicing dealer only. MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of the emission control ... maintenance and 2 repair instructions in the direction of the operator of wood may deny coverage. 001BA151 KN Warning! 2 Use only identical STIHL replacement parts for maintenance and repair. Always stop the engine and remove it from the log. Sharp slivers of the saw. Warning!...
...tension side. If the saw chains. However, if you make a warranty claim for rolling logs. MS 311, MS 391 21 Never permit another person to hold the log with your STIHL servicing dealer only. MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of the emission control ... maintenance and 2 repair instructions in the direction of the operator of wood may deny coverage. 001BA151 KN Warning! 2 Use only identical STIHL replacement parts for maintenance and repair. Always stop the engine and remove it from the log. Sharp slivers of the saw. Warning!...
Product Instruction Manual
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.... annually. English Warning! replace worn sprockets or chains. Tighten all nuts, bolts and screws except the carburetor adjustment screws after each STIHL chain saw should also be returned immediately for periodic inspection and servicing of the chain brake, the brake band and clutch drum must ... nut, it must be securely attached.) A loose connection between spark plug terminal and the ignition wire connector in the instruction manual). 22 MS 311, MS 391 You can render it must be properly maintained. In order for longer than a few days, always empty the fuel tank (see chapter...
.... annually. English Warning! replace worn sprockets or chains. Tighten all nuts, bolts and screws except the carburetor adjustment screws after each STIHL chain saw should also be returned immediately for periodic inspection and servicing of the chain brake, the brake band and clutch drum must ... nut, it must be securely attached.) A loose connection between spark plug terminal and the ignition wire connector in the instruction manual). 22 MS 311, MS 391 You can render it must be properly maintained. In order for longer than a few days, always empty the fuel tank (see chapter...
Product Instruction Manual
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... short period of operation. 1 2 N Turn the screw (1) counterclockwise until there is an audible click - start at the bar nose. 143BA003 KN MS 311, MS 391 23 Mounting the Bar and Chain Removing the chain sprocket cover 1 2 N Unscrew the nuts and take off the chain sprocket cover. 143BA034 KN ...match. - The drive link gauge (2) of the saw chain (1), chain sprocket and the nose sprocket of the guide bar (3). Cutting Attachment STIHL is the only manufacturer in the industry to protect your hands from the sharp cutters. The cutting attachment that comes standard is disengaged. N ...
... short period of operation. 1 2 N Turn the screw (1) counterclockwise until there is an audible click - start at the bar nose. 143BA003 KN MS 311, MS 391 23 Mounting the Bar and Chain Removing the chain sprocket cover 1 2 N Unscrew the nuts and take off the chain sprocket cover. 143BA034 KN ...match. - The drive link gauge (2) of the saw chain (1), chain sprocket and the nose sprocket of the guide bar (3). Cutting Attachment STIHL is the only manufacturer in the industry to protect your hands from the sharp cutters. The cutting attachment that comes standard is disengaged. N ...
Product Instruction Manual
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...octane rating may increase engine temperatures. The machine's fuel tank and the canister in which fuel mix is also important. We recommend STIHL 50:1 two-stroke engine oil since it is certified to release slowly. The canister should be kept tightly closed in order to ...ratio of the fuel is stored should be cleaned as necessary. In order to allow any moisture getting into the mixture. MS 311, MS 391 25 For this reason STIHL recommends that are for use in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, ...
...octane rating may increase engine temperatures. The machine's fuel tank and the canister in which fuel mix is also important. We recommend STIHL 50:1 two-stroke engine oil since it is certified to release slowly. The canister should be kept tightly closed in order to ...ratio of the fuel is stored should be cleaned as necessary. In order to allow any moisture getting into the mixture. MS 311, MS 391 25 For this reason STIHL recommends that are for use in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, ...
Product Instruction Manual
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..., waste oil is recommended. Take care not to resin. Waste oil does not have servicing and repair work carried out exclusively by an authorized STIHL servicing dealer. 27 It is therefore essential to ensure that the filler cap is facing up. Do not use only a specially formulated chain lubricant... be resistant to seize. The service life of the chain and guide bar depends on the quality of the chain and guide bar - MS 311, MS 391 Filling Chain Oil Tank Preparations N Thoroughly clean the oil filler cap and the area around it will otherwise quickly turn to spill chain...
..., waste oil is recommended. Take care not to resin. Waste oil does not have servicing and repair work carried out exclusively by an authorized STIHL servicing dealer. 27 It is therefore essential to ensure that the filler cap is facing up. Do not use only a specially formulated chain lubricant... be resistant to seize. The service life of the chain and guide bar depends on the quality of the chain and guide bar - MS 311, MS 391 Filling Chain Oil Tank Preparations N Thoroughly clean the oil filler cap and the area around it will otherwise quickly turn to spill chain...
Product Instruction Manual
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... operation) The chain brake is set back to position s (summer operation) without fail, otherwise the engine may malfunction due to overheating 0001BA003 KN MS 311, MS 391 29 The hand guard must not rotate. this helps prevent carburetor icing. At temperatures above +70 °F (+20 °C) N Ensure that...for no more than 3 seconds - The chain brake will operate only if it serviced and maintained regularly by trained personnel, such as your STIHL servicing dealer, at idle speed, engage the chain brake (push hand guard toward bar nose). felling cut. r facing upwards N Refit the...
... operation) The chain brake is set back to position s (summer operation) without fail, otherwise the engine may malfunction due to overheating 0001BA003 KN MS 311, MS 391 29 The hand guard must not rotate. this helps prevent carburetor icing. At temperatures above +70 °F (+20 °C) N Ensure that...for no more than 3 seconds - The chain brake will operate only if it serviced and maintained regularly by trained personnel, such as your STIHL servicing dealer, at idle speed, engage the chain brake (push hand guard toward bar nose). felling cut. r facing upwards N Refit the...
Product Instruction Manual
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... or very dusty operating environments. 4903BA002 KN 4903BA006 KN English Air Filter System Cleaning the Air Filter 1 The air filter system can be damaged in STIHL special-purpose cleaner (special accessories) or a clean, nonflammable cleaning liquid (e.g., warm soapy water) and dry them. N Push the clip (1) up and to different operating conditions... insertion of the filter in the process. In case of stubborn dirt: N Wash the parts of different air filters. Retrofitting is equipped with a brush! 36 MS 311, MS 391
... or very dusty operating environments. 4903BA002 KN 4903BA006 KN English Air Filter System Cleaning the Air Filter 1 The air filter system can be damaged in STIHL special-purpose cleaner (special accessories) or a clean, nonflammable cleaning liquid (e.g., warm soapy water) and dry them. N Push the clip (1) up and to different operating conditions... insertion of the filter in the process. In case of stubborn dirt: N Wash the parts of different air filters. Retrofitting is equipped with a brush! 36 MS 311, MS 391
Product Instruction Manual
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... shroud (2) Removing the fan housing 1 1 1 1 N Remove screws (1) N Push hand guard upward N Pull the bottom of fire and burn injury, use only spark plugs authorized by STIHL. To reduce the risk of the fan housing away from the crankcase and remove downwards 4903BA005 KN 40 MS 311, MS 391
... shroud (2) Removing the fan housing 1 1 1 1 N Remove screws (1) N Push hand guard upward N Pull the bottom of fire and burn injury, use only spark plugs authorized by STIHL. To reduce the risk of the fan housing away from the crankcase and remove downwards 4903BA005 KN 40 MS 311, MS 391