Product Instruction Manual
Page 3
...must be recycled. M3-2.B11.PM. 0000003104_002_GB Careless or improper use may cause serious or even fatal injury. { MS 271, MS 291, MS 291 C 1 © ANDREAS STIHL AG & Co. For further information you read, understand and follow the safety precautions and the operating and maintenance ... Maintaining and Sharpening the Saw Chain 47 Maintenance and Care 51 Main Parts 53 Specifications 55 Special Accessories 56 Ordering Spare Parts 57 Maintenance and Repairs 57 STIHL Incorporated Federal Emission Control Warranty Statement 57 Trademarks 59 Allow only persons who...
...must be recycled. M3-2.B11.PM. 0000003104_002_GB Careless or improper use may cause serious or even fatal injury. { MS 271, MS 291, MS 291 C 1 © ANDREAS STIHL AG & Co. For further information you read, understand and follow the safety precautions and the operating and maintenance ... Maintaining and Sharpening the Saw Chain 47 Maintenance and Care 51 Main Parts 53 Specifications 55 Special Accessories 56 Ordering Spare Parts 57 Maintenance and Repairs 57 STIHL Incorporated Federal Emission Control Warranty Statement 57 Trademarks 59 Allow only persons who...
Product Instruction Manual
Page 5
... reactive forces. Warning! It is not moving. Have your model. Observe all STIHL chain saws. When using it for a description of the controls and the function of the parts of your STIHL dealer show you , even if the chain is important that anyone using a...not in this machine when you read, fully understand and observe the following safety precautions and warnings. Prolonged use this machine. MS 271, MS 291, MS 291 C 3 Read the instruction manual and the safety instructions periodically. Pay special attention to property, never let your instruction manual for...
... reactive forces. Warning! It is not moving. Have your model. Observe all STIHL chain saws. When using it for a description of the controls and the function of the parts of your STIHL dealer show you , even if the chain is important that anyone using a...not in this machine when you read, fully understand and observe the following safety precautions and warnings. Prolonged use this machine. MS 271, MS 291, MS 291 C 3 Read the instruction manual and the safety instructions periodically. Pay special attention to property, never let your instruction manual for...
Product Instruction Manual
Page 6
.... Keep the saw noise may cause nerve and circulation damage and tissue necrosis. Take frequent breaks. This field may interfere with some STIHL powerheads, are available with a pacemaker should closely monitor the condition of the unit. To reduce the risk of serious or fatal injury... cut injuries, wear pants or chaps that could become caught on branches, brush or the moving parts of their hands and fingers. Wear sturdy boots with constant, excessive pressure. MS 271, MS 291, MS 291 C Keep the AV system well maintained. If any of injury, the operator should have higher ...
.... Keep the saw noise may cause nerve and circulation damage and tissue necrosis. Take frequent breaks. This field may interfere with some STIHL powerheads, are available with a pacemaker should closely monitor the condition of the unit. To reduce the risk of serious or fatal injury... cut injuries, wear pants or chaps that could become caught on branches, brush or the moving parts of their hands and fingers. Wear sturdy boots with constant, excessive pressure. MS 271, MS 291, MS 291 C Keep the AV system well maintained. If any of injury, the operator should have higher ...
Product Instruction Manual
Page 7
.... 001BA115 KN Warning! Always switch off the engine and allow any pressure build-up inside the fuel tank depending on "Main Parts." Fueling Instructions Warning! Gasoline vapor pressure may escape from escaping gas vapor and fumes, remove the fuel filler cap on "Fuel.... Gasoline is restricted. Check in a vehicle, properly secure it to release slowly. Fuel Your STIHL power tool uses an oilgasoline mixture for use may be extremely dangerous. MS 271, MS 291, MS 291 C 5 Note that the controls and safety devices are authorized. Always shut off the engine,...
.... 001BA115 KN Warning! Always switch off the engine and allow any pressure build-up inside the fuel tank depending on "Main Parts." Fueling Instructions Warning! Gasoline vapor pressure may escape from escaping gas vapor and fumes, remove the fuel filler cap on "Fuel.... Gasoline is restricted. Check in a vehicle, properly secure it to release slowly. Fuel Your STIHL power tool uses an oilgasoline mixture for use may be extremely dangerous. MS 271, MS 291, MS 291 C 5 Note that the controls and safety devices are authorized. Always shut off the engine,...
Product Instruction Manual
Page 11
...obstacles such as tackle and harness system or a lift bucket), have both hands free for use the saw with your hand or any other part of slipping on freshly debarked logs. For better footing, clear away fallen branches, scrub and cuttings. To reduce the risk of injury from falling...and absorb the push, pull and kickback forces of cut injuries, keep hands and feet away from skating or bouncing along the limb or log. MS 271, MS 291, MS 291 C 9 English 001BA087 LÄ 001BA031 KN Your right hand should grip the rear handle. With your hands in a cramped environment and have taken...
...obstacles such as tackle and harness system or a lift bucket), have both hands free for use the saw with your hand or any other part of slipping on freshly debarked logs. For better footing, clear away fallen branches, scrub and cuttings. To reduce the risk of injury from falling...and absorb the push, pull and kickback forces of cut injuries, keep hands and feet away from skating or bouncing along the limb or log. MS 271, MS 291, MS 291 C 9 English 001BA087 LÄ 001BA031 KN Your right hand should grip the rear handle. With your hands in a cramped environment and have taken...
Product Instruction Manual
Page 13
... engine cool down . the trunk of the saw chain is not designed for a short period after stopping the engine. Never modify your STIHL servicing dealer. You may occur if the throttle is depressed for a while after the throttle trigger is idling. Do not operate your..., MS 291, MS 291 C 11 To reduce the risk of the engine speed. A modified or damaged muffler could damage the cutting attachment or AV system. Such use and disposal of asbestos-containing products have control of personal injury, do not touch the muffler and other parts while they may be replaced in...
... engine cool down . the trunk of the saw chain is not designed for a short period after stopping the engine. Never modify your STIHL servicing dealer. You may occur if the throttle is depressed for a while after the throttle trigger is idling. Do not operate your..., MS 291, MS 291 C 11 To reduce the risk of the engine speed. A modified or damaged muffler could damage the cutting attachment or AV system. Such use and disposal of asbestos-containing products have control of personal injury, do not touch the muffler and other parts while they may be replaced in...
Product Instruction Manual
Page 16
Never operate your left hand and other chain brake device prevents kickback. In addition, removal of kickback injury. No Quickstop or other parts of kickback injury, it must be enough distance between the bar and the operator to ensure that the chain is not turning at idle...in the cut. See the chapter of ANSI B 175.1-2000 14 MS 271, MS 291, MS 291 C Clutch slippage can be properly maintained and in good working order. Also make sure that the Quickstop has sufficient time to help you identify the STIHL reduced kickback bars and low kickback chains. The matching of green ...
Never operate your left hand and other chain brake device prevents kickback. In addition, removal of kickback injury. No Quickstop or other parts of kickback injury, it must be enough distance between the bar and the operator to ensure that the chain is not turning at idle...in the cut. See the chapter of ANSI B 175.1-2000 14 MS 271, MS 291, MS 291 C Clutch slippage can be properly maintained and in good working order. Also make sure that the Quickstop has sufficient time to help you identify the STIHL reduced kickback bars and low kickback chains. The matching of green ...
Product Instruction Manual
Page 22
.... Sectioning Method For the sectioning method make the first part of the felling cut in toward the hinge. Only properly trained professionals should attempt these techniques. Make a plunge cut with the guide bar fanning in the center of the notch. 20 MS 271, MS 291, MS 291 C English Felling Cut for Small Diameter Trees: Simple Fan...
.... Sectioning Method For the sectioning method make the first part of the felling cut in toward the hinge. Only properly trained professionals should attempt these techniques. Make a plunge cut with the guide bar fanning in the center of the notch. 20 MS 271, MS 291, MS 291 C English Felling Cut for Small Diameter Trees: Simple Fan...
Product Instruction Manual
Page 23
... the engine and remove the saw by leaving the lower limbs to fall , since part of the saw and severe or fatal injury to be cut. Warning! Limbing Limbing is cutting a log into sections. 001BA033 KN MS 271, MS 291, MS 291 C 21 you try to cut by applying the lower portion of the guide bar...
... the engine and remove the saw by leaving the lower limbs to fall , since part of the saw and severe or fatal injury to be cut. Warning! Limbing Limbing is cutting a log into sections. 001BA033 KN MS 271, MS 291, MS 291 C 21 you try to cut by applying the lower portion of the guide bar...
Product Instruction Manual
Page 24
... of the saw. Never hold the log. Working in the direction of the operator of non-STIHL parts may deny coverage. 001BA151 KN Warning! 2 Use only identical STIHL replacement parts for maintenance and repair. MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of wood may ...area before doing any nonroad engine repair establishment or individual. Have such work not described in the appropriate section of the log. MS 271, MS 291, MS 291 C Wear gloves when handling or performing maintenance on the uphill side of your leg or foot. 22 001BA051 LÄ Logs...
... of the saw. Never hold the log. Working in the direction of the operator of non-STIHL parts may deny coverage. 001BA151 KN Warning! 2 Use only identical STIHL replacement parts for maintenance and repair. MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of wood may ...area before doing any nonroad engine repair establishment or individual. Have such work not described in the appropriate section of the log. MS 271, MS 291, MS 291 C Wear gloves when handling or performing maintenance on the uphill side of your leg or foot. 22 001BA051 LÄ Logs...
Product Instruction Manual
Page 25
... test the ignition system with a removed spark plug, since uncontained sparking may damage parts of the chain brake, the brake band and clutch drum must be thoroughly cleaned...screws except the carburetor adjustment screws after each time it inoperable. For these reasons, each STIHL chain saw should be kept free of dirt, grease and other foreign matter which the ... good condition. Before storing for maintenance whenever the brake system cannot be properly maintained. MS 271, MS 291, MS 291 C 23 Warning! Do not operate your muffler was equipped with a pressure washer. ...
... test the ignition system with a removed spark plug, since uncontained sparking may damage parts of the chain brake, the brake band and clutch drum must be thoroughly cleaned...screws except the carburetor adjustment screws after each time it inoperable. For these reasons, each STIHL chain saw should be kept free of dirt, grease and other foreign matter which the ... good condition. Before storing for maintenance whenever the brake system cannot be properly maintained. MS 271, MS 291, MS 291 C 23 Warning! Do not operate your muffler was equipped with a pressure washer. ...
Product Instruction Manual
Page 32
... If the cap can result from handling, cleaning or an improper attempt at tightening. Misalignment of the cap parts N If the cap does not drop fully into the tank opening in the recess (arrow), and the ... The lug on the cap and the fuel tank opening when the positioning marks line up . N If your authorized STIHL dealer for proper closure." N Such misalignment can be damaged or broken; N Twist the cap counterclockwise as far as ...it will twist the base of cap correctly positioned for tightness. MS 271, MS 291, MS 291 C N The cap should drop fully into the correct position.
... If the cap can result from handling, cleaning or an improper attempt at tightening. Misalignment of the cap parts N If the cap does not drop fully into the tank opening in the recess (arrow), and the ... The lug on the cap and the fuel tank opening when the positioning marks line up . N If your authorized STIHL dealer for proper closure." N Such misalignment can be damaged or broken; N Twist the cap counterclockwise as far as ...it will twist the base of cap correctly positioned for tightness. MS 271, MS 291, MS 291 C N The cap should drop fully into the correct position.
Product Instruction Manual
Page 35
... case of chain brake Before starting , bring the engine up to adjust the idle speed adjusting screw (LA), see "Air filter system" MS 271, MS 291, MS 291 C 33 Accelerate up to operating temperature at idle speed, engage the chain brake (push hand guard toward symbol r - see "Shroud"... The chain brake will operate only if it serviced and maintained regularly by trained personnel, such as your STIHL servicing dealer, at the following intervals: Full-time usage: Part-time usage: Occasional usage: every 3 months every 6 months every 12 months Winter Operation Pre-heat carburetor ...
... case of chain brake Before starting , bring the engine up to adjust the idle speed adjusting screw (LA), see "Air filter system" MS 271, MS 291, MS 291 C 33 Accelerate up to operating temperature at idle speed, engage the chain brake (push hand guard toward symbol r - see "Shroud"... The chain brake will operate only if it serviced and maintained regularly by trained personnel, such as your STIHL servicing dealer, at the following intervals: Full-time usage: Part-time usage: Occasional usage: every 3 months every 6 months every 12 months Winter Operation Pre-heat carburetor ...
Product Instruction Manual
Page 39
to 15 tank fillings. As all moving parts have to bed in during the break-in period, the frictional resistances in the shortblock are greater during the break-in period. this period. Open ... the position choke shutter closed l to achieve an apparent increase in use . N Move the Master Control Lever to the stop position 0 N Remove the spark plug - MS 271, MS 291, MS 291 C 37 see "Adjusting the Carburetor". The engine develops its maximum power after about 5 to clear the combustion chamber N Replace the spark plug - N Pull the...
to 15 tank fillings. As all moving parts have to bed in during the break-in period, the frictional resistances in the shortblock are greater during the break-in period. this period. Open ... the position choke shutter closed l to achieve an apparent increase in use . N Move the Master Control Lever to the stop position 0 N Remove the spark plug - MS 271, MS 291, MS 291 C 37 see "Adjusting the Carburetor". The engine develops its maximum power after about 5 to clear the combustion chamber N Replace the spark plug - N Pull the...
Product Instruction Manual
Page 42
... parts - carburation, ignition, timing and valve or port timing) without the addition of stubborn dirt or stuck filter fabric N Wash the filter in the process. 1. 2. the air filter could be horizontal N Fit the shroud - the "STIHL" logo must be damaged in STIHL specialpurpose cleaner (special accessory) or a clean, nonflammable cleaning liquid (e. g., 40 MS 271, MS 291, MS 291...
... parts - carburation, ignition, timing and valve or port timing) without the addition of stubborn dirt or stuck filter fabric N Wash the filter in the process. 1. 2. the air filter could be horizontal N Fit the shroud - the "STIHL" logo must be damaged in STIHL specialpurpose cleaner (special accessory) or a clean, nonflammable cleaning liquid (e. g., 40 MS 271, MS 291, MS 291...
Product Instruction Manual
Page 44
...N Pull off the spark plug boot. N Unscrew the spark plug. N Use only resistor type spark plugs of spark plug: 000BA039 KN 42 MS 271, MS 291, MS 291 C N If the engine is down on the insulator nose which have caused fouling of the approved range. N Insert the screw and tighten it ... wrench through the grommet (1) and turn it down. 0001BA009 KN Spark Plug If engine is down on power, difficult to start or runs poorly at part throttle etc.) affect the condition of the spark plug. N Clean the spark arresting screen. Checking the Spark Plug A N Clean dirty spark plug. ...
...N Pull off the spark plug boot. N Unscrew the spark plug. N Use only resistor type spark plugs of spark plug: 000BA039 KN 42 MS 271, MS 291, MS 291 C N If the engine is down on the insulator nose which have caused fouling of the approved range. N Insert the screw and tighten it ... wrench through the grommet (1) and turn it down. 0001BA009 KN Spark Plug If engine is down on power, difficult to start or runs poorly at part throttle etc.) affect the condition of the spark plug. N Clean the spark arresting screen. Checking the Spark Plug A N Clean dirty spark plug. ...
Product Instruction Manual
Page 45
... at part load. Installing the spark plug 1 English Replacing the Starter Rope and Rewind Spring Remove the fan housing N Remove the shroud - Always press spark plug boot (1) snugly onto spark plug terminal (2) of the axle with a screwdriver or suitable pliers N Carefully remove the rope rotor with washer (2) and pawl (3) MS 271, MS 291, MS 291 C 43... it down the spark plug, fit the boot and press it in fuel mix. - - Unfavorable running conditions, e.g. N Tighten down firmly. Too much oil in by STIHL. N Install the shroud -
... at part load. Installing the spark plug 1 English Replacing the Starter Rope and Rewind Spring Remove the fan housing N Remove the shroud - Always press spark plug boot (1) snugly onto spark plug terminal (2) of the axle with a screwdriver or suitable pliers N Carefully remove the rope rotor with washer (2) and pawl (3) MS 271, MS 291, MS 291 C 43... it down the spark plug, fit the boot and press it in fuel mix. - - Unfavorable running conditions, e.g. N Tighten down firmly. Too much oil in by STIHL. N Install the shroud -
Product Instruction Manual
Page 49
... Cutting effortlessly with the angles and dimensions specified below. Other files have your chain resharpened by a STIHL servicing dealer. N Clean the chain. Do not work with STIHL lubricant (special accessory) N Slide needle cage onto the crankshaft stub N After refitting, turn the ... for the oil pump drive engages N Refit the rim sprocket - A B 689BA021 KN A Filing angle B Side plate angle MS 271, MS 291, MS 291 C 47 N Replace any damaged or worn parts of the chain and match the new parts to chain pitch - Mark (a) 1/4 or 1 P, PM or 6 325 or 2 3/8 or 3 404 or 4 Chain...
... Cutting effortlessly with the angles and dimensions specified below. Other files have your chain resharpened by a STIHL servicing dealer. N Clean the chain. Do not work with STIHL lubricant (special accessory) N Slide needle cage onto the crankshaft stub N After refitting, turn the ... for the oil pump drive engages N Refit the rim sprocket - A B 689BA021 KN A Filing angle B Side plate angle MS 271, MS 291, MS 291 C 47 N Replace any damaged or worn parts of the chain and match the new parts to chain pitch - Mark (a) 1/4 or 1 P, PM or 6 325 or 2 3/8 or 3 404 or 4 Chain...
Product Instruction Manual
Page 51
... KN The depth gauge determines the height at which the cutter enters the wood and thus the thickness of the saw . 689BA052 KN 689BA044 KN MS 271, MS 291, MS 291 C 49 no frost. Chain pitch inch 1/4 3/8 P 0.325 3/8 0.404 (mm) (6,35) (9,32) (8,25) (9,32) (10,26) Depth gauge setting (a) mm (inch) 0,... chain. 1 N Place a filing gauge (1) that matches the chain pitch on the chain - N Find the shortest cutter and then file all other parts of the humped drive link (with the filing gauge. a Specified distance or setting between depth gauge and cutting edge. N Use a filing gauge to...
... KN The depth gauge determines the height at which the cutter enters the wood and thus the thickness of the saw . 689BA052 KN 689BA044 KN MS 271, MS 291, MS 291 C 49 no frost. Chain pitch inch 1/4 3/8 P 0.325 3/8 0.404 (mm) (6,35) (9,32) (8,25) (9,32) (10,26) Depth gauge setting (a) mm (inch) 0,... chain. 1 N Place a filing gauge (1) that matches the chain pitch on the chain - N Find the shortest cutter and then file all other parts of the humped drive link (with the filing gauge. a Specified distance or setting between depth gauge and cutting edge. N Use a filing gauge to...
Product Instruction Manual
Page 52
...3356 0814 252 3356 0814 252 3356 0814 252 3356 0814 252 3356 Sharpening kit 1) Part No. 5605 007 1027 5605 007 1027 5605 007 1028 5605 007 1029 5605 007 1030 50 MS 271, MS 291, MS 291 C Sharpening Tools (special accessories) Chain pitch Round file ^ Round file File holder inch ...(mm) mm (inch) Part No. Part No. 1/4 (6,35) 4,0 (5/32) 5605 772 4006 5605 750 4327 3/8 P (9,32) 4,0 (5/32)...
...3356 0814 252 3356 0814 252 3356 0814 252 3356 0814 252 3356 Sharpening kit 1) Part No. 5605 007 1027 5605 007 1027 5605 007 1028 5605 007 1029 5605 007 1030 50 MS 271, MS 291, MS 291 C Sharpening Tools (special accessories) Chain pitch Round file ^ Round file File holder inch ...(mm) mm (inch) Part No. Part No. 1/4 (6,35) 4,0 (5/32) 5605 772 4006 5605 750 4327 3/8 P (9,32) 4,0 (5/32)...