Product Instruction Manual
Page 3
..., some special safety precautions must be recycled. M4-7.F11.PM. 0000002865_003_GB { MS 261, MS 261 C 1 To receive maximum performance and satisfaction from your chain saw. Contact your STIHL dealer or the STIHL distributor for your chain saw to www.stihlusa.com. Contents English Guide to...Maintaining and Sharpening the Saw Chain 48 Maintenance and Care 52 Main Parts 54 Specifications 56 Special Accessories 57 Ordering Spare Parts 58 Maintenance and Repairs 58 STIHL Incorporated Federal Emission Control Warranty Statement 58 Trademarks 60 Allow only persons ...
..., some special safety precautions must be recycled. M4-7.F11.PM. 0000002865_003_GB { MS 261, MS 261 C 1 To receive maximum performance and satisfaction from your chain saw. Contact your STIHL dealer or the STIHL distributor for your chain saw to www.stihlusa.com. Contents English Guide to...Maintaining and Sharpening the Saw Chain 48 Maintenance and Care 52 Main Parts 54 Specifications 56 Special Accessories 57 Ordering Spare Parts 58 Maintenance and Repairs 58 STIHL Incorporated Federal Emission Control Warranty Statement 58 Trademarks 60 Allow only persons ...
Product Instruction Manual
Page 5
... Be alert - If you are generally observed when working with your model. Observe all STIHL chain saws. Warning! Do not operate this machine when you have English different parts and controls. Tiredness may have any condition that might impair vision, dexterity or judgment.... models may result in this machine. Warning! if you read, fully understand and observe the following safety precautions and warnings. Warning! MS 261, MS 261 C 3 Pay special attention to the use (e.g. If the cutters contact your power tool run unattended. Do not use of these...
... Be alert - If you are generally observed when working with your model. Observe all STIHL chain saws. Warning! Do not operate this machine when you have English different parts and controls. Tiredness may have any condition that might impair vision, dexterity or judgment.... models may result in this machine. Warning! if you read, fully understand and observe the following safety precautions and warnings. Warning! MS 261, MS 261 C 3 Pay special attention to the use (e.g. If the cutters contact your power tool run unattended. Do not use of these...
Product Instruction Manual
Page 6
...vibration ("AV") system designed to reduce the transmission of cut retardant material. An AV system is recommended for cold weather use. - MS 261, MS 261 C All the above symptoms appear, seek medical advice immediately. Warning! Avoid loose-fitting jackets, scarfs, neckties, jewelry, flared or... and may damage your hearing. All factors which are available with nonslip soles. Most STIHL power tools are available on branches, brush or the moving parts of their physician and the pacemaker manufacturer before operating this tool. Heated handles, which contribute...
...vibration ("AV") system designed to reduce the transmission of cut retardant material. An AV system is recommended for cold weather use. - MS 261, MS 261 C All the above symptoms appear, seek medical advice immediately. Warning! Avoid loose-fitting jackets, scarfs, neckties, jewelry, flared or... and may damage your hearing. All factors which are available with nonslip soles. Most STIHL power tools are available on branches, brush or the moving parts of their physician and the pacemaker manufacturer before operating this tool. Heated handles, which contribute...
Product Instruction Manual
Page 7
... to the unit. In order to release slowly. Never remove the fuel filler cap while the engine is an extremely flammable fuel. MS 261, MS 261 C 5 Warning! In case of your goggles or protective glasses. Always switch off the engine and allow any pressure build-up inside...screen over longer distances. THE POWER TOOL For illustrations and definitions of injury from your STIHL servicing dealer. Warning! Fuel your hands. To reduce the risk of the power tool parts see the chapter on the fuel used, the weather conditions and the tank venting system...
... to the unit. In order to release slowly. Never remove the fuel filler cap while the engine is an extremely flammable fuel. MS 261, MS 261 C 5 Warning! In case of your goggles or protective glasses. Always switch off the engine and allow any pressure build-up inside...screen over longer distances. THE POWER TOOL For illustrations and definitions of injury from your STIHL servicing dealer. Warning! Fuel your hands. To reduce the risk of the power tool parts see the chapter on the fuel used, the weather conditions and the tank venting system...
Product Instruction Manual
Page 11
With your hand or any other part of control, never use in a tree unless you can best oppose and absorb the push, pull and kickback forces of slipping on reactive forces). Warning! ... shoulder height. Take extreme care in difficult, overgrown terrain. To reduce the risk of control, never work on slopes or uneven ground. Do not overreach. MS 261, MS 261 C 9 Keep proper footing and balance at all times. Warning! Warning! Even for those compact saws designed for operating the chain saw without losing control (see...
With your hand or any other part of control, never use in a tree unless you can best oppose and absorb the push, pull and kickback forces of slipping on reactive forces). Warning! ... shoulder height. Take extreme care in difficult, overgrown terrain. To reduce the risk of control, never work on slopes or uneven ground. Do not overreach. MS 261, MS 261 C 9 Keep proper footing and balance at all times. Warning! Warning! Even for those compact saws designed for operating the chain saw without losing control (see...
Product Instruction Manual
Page 13
... is released (flywheel effect). If you might be cutting asbestos, immediately contact your STIHL servicing dealer only. The saw chain continues to move the slide control / stop the ... may be flung off the engine immediately - Keep the area around the muffler clean. MS 261, MS 261 C 11 This may result in sets. To reduce the risk of asbestos-containing products ..., e.g., from any reason to 0 or STOP. If you do not touch the muffler and other parts of the cylinder, spark plug) become hot during normal operation may be damaged or removed. Such objects...
... is released (flywheel effect). If you might be cutting asbestos, immediately contact your STIHL servicing dealer only. The saw chain continues to move the slide control / stop the ... may be flung off the engine immediately - Keep the area around the muffler clean. MS 261, MS 261 C 11 This may result in sets. To reduce the risk of asbestos-containing products ..., e.g., from any reason to 0 or STOP. If you do not touch the muffler and other parts of the cylinder, spark plug) become hot during normal operation may be damaged or removed. Such objects...
Product Instruction Manual
Page 16
Never operate your chain saw above at all. No Quickstop or other parts of your instruction manual. Warning! Also make sure that the Quickstop has sufficient time to obtain higher cutting efficiency or sharpening ease but may ... speed for the Quickstop to help you identify the STIHL reduced kickback bars and low kickback chains. STIHL reduced kickback bars and low kickback chains are designed to cool before potential contact with the computed kickback angle requirements of ANSI B 175.1-2000 14 MS 261, MS 261 C Clutch slippage can cause excessive heat, leading to ...
Never operate your chain saw above at all. No Quickstop or other parts of your instruction manual. Warning! Also make sure that the Quickstop has sufficient time to obtain higher cutting efficiency or sharpening ease but may ... speed for the Quickstop to help you identify the STIHL reduced kickback bars and low kickback chains. STIHL reduced kickback bars and low kickback chains are designed to cool before potential contact with the computed kickback angle requirements of ANSI B 175.1-2000 14 MS 261, MS 261 C Clutch slippage can cause excessive heat, leading to ...
Product Instruction Manual
Page 22
... plunge-cut method before making the felling cut . Only properly trained professionals should attempt these techniques. Sectioning Method For the sectioning method make the first part of the felling cut method. When repositioning for the next cut straight. Then, using the bumper spike as the hinge. The bumper spike rolls against... length of the guide bar requires the use of the nose of the guide bar and can result in the center of the notch. 20 MS 261, MS 261 C If the saw more than necessary. On the last cut, do not cut the hinge. Warning!
... plunge-cut method before making the felling cut . Only properly trained professionals should attempt these techniques. Sectioning Method For the sectioning method make the first part of the felling cut method. When repositioning for the next cut straight. Then, using the bumper spike as the hinge. The bumper spike rolls against... length of the guide bar requires the use of the nose of the guide bar and can result in the center of the notch. 20 MS 261, MS 261 C If the saw more than necessary. On the last cut, do not cut the hinge. Warning!
Product Instruction Manual
Page 23
... trunk. Cut until the depth of control. Bucking Bucking is about to fall , causing loss of the kerf is cutting a log into sections. 001BA033 KN MS 261, MS 261 C 21 Begin the plunge cut , follow the sectioning method described previously. Enlarge the plunge cut . Be extremely cautious and avoid contacting the log or other...
... trunk. Cut until the depth of control. Bucking Bucking is about to fall , causing loss of the kerf is cutting a log into sections. 001BA033 KN MS 261, MS 261 C 21 Begin the plunge cut , follow the sectioning method described previously. Enlarge the plunge cut . Be extremely cautious and avoid contacting the log or other...
Product Instruction Manual
Page 24
... bucking cut (2) at tension side. maintained properly or if nonapproved replacement parts were 1 used to burst. Warning! When bucking, do not stand on the uphill side of non-STIHL parts may be cut (1) at a time. Never hold the log with your...STIHL replacement parts for rolling logs. Pull out exposed and cleared logs first. Have such work performed by any maintenance or repair work in your STIHL servicing dealer only. Only properly trained professionals should be performed by your instruction manual. Always start relieving cut very carefully. MS 261, MS 261...
... bucking cut (2) at tension side. maintained properly or if nonapproved replacement parts were 1 used to burst. Warning! When bucking, do not stand on the uphill side of non-STIHL parts may be cut (1) at a time. Never hold the log with your...STIHL replacement parts for rolling logs. Pull out exposed and cleared logs first. Have such work performed by any maintenance or repair work in your STIHL servicing dealer only. Only properly trained professionals should be performed by your instruction manual. Always start relieving cut very carefully. MS 261, MS 261...
Product Instruction Manual
Page 25
...usage - annually. Before storing for periodic inspection and servicing of the band on the wood. MS 261, MS 261 C 23 Warning! Warning! Other states or governmental entities/agencies, such as your STIHL chain saw in hot or dry weather. replace worn sprockets or chains. Warning! For any maintenance...statement near the end of fire; An improperly maintained muffler will increase the risk of the machine. Forest Service, may damage parts of fire and hearing loss. Excessive wear will vary depending upon usage, conditions under which may create arcing that could ignite...
...usage - annually. Before storing for periodic inspection and servicing of the band on the wood. MS 261, MS 261 C 23 Warning! Warning! Other states or governmental entities/agencies, such as your STIHL chain saw in hot or dry weather. replace worn sprockets or chains. Warning! For any maintenance...statement near the end of fire; An improperly maintained muffler will increase the risk of the machine. Forest Service, may damage parts of fire and hearing loss. Excessive wear will vary depending upon usage, conditions under which may create arcing that could ignite...
Product Instruction Manual
Page 32
... broken; this position. N Fold down , twist it firmly clockwise as far as it is not properly installed. N If your authorized STIHL dealer for repair. 30 MS 261, MS 261 C N The cap should drop fully into the tank opening. N 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 correct position. positioning marks on ...
... broken; this position. N Fold down , twist it firmly clockwise as far as it is not properly installed. N If your authorized STIHL dealer for repair. 30 MS 261, MS 261 C N The cap should drop fully into the tank opening. N 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 correct position. positioning marks on ...
Product Instruction Manual
Page 35
... every correction to change the setting of a turn counterclockwise. N If 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 Preheating the carburetor N Remove the shroud - MS 261, MS 261 C 33 The chain brake will operate only if it serviced and...
... every correction to change the setting of a turn counterclockwise. N If 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 Preheating the carburetor N Remove the shroud - MS 261, MS 261 C 33 The chain brake will operate only if it serviced and...
Product Instruction Manual
Page 40
... Operating Instructions During the break-in the shortblock are greater during this could damage the engine - see "Spark Plug". Running the engine at part throttle. High revs with the chain brake engaged (chain locked) will quickly damage the shortblock and chain drive (clutch, chain brake). At ...that has been in power - N Move the Master Control lever to achieve an apparent increase in use already for an extended period. 38 MS 261, MS 261 C this period. If you did not move the Master Control lever from the starting throttle position (n) to warm up at high revs ...
... Operating Instructions During the break-in the shortblock are greater during this could damage the engine - see "Spark Plug". Running the engine at part throttle. High revs with the chain brake engaged (chain locked) will quickly damage the shortblock and chain drive (clutch, chain brake). At ...that has been in power - N Move the Master Control lever to achieve an apparent increase in use already for an extended period. 38 MS 261, MS 261 C this period. If you did not move the Master Control lever from the starting throttle position (n) to warm up at high revs ...
Product Instruction Manual
Page 45
...screen (2). N Insert the screw and tighten it as necessary to the stop position (0). These factors cause deposits to start or runs poorly at part throttle etc.) affect the condition of the spark plug. see "Specifications". Checking the Spark Plug A N Clean dirty spark plug. N Unscrew ... against the cylinder. Removing the spark plug N Remove the shroud - N Use only resistor type spark plugs of spark plug: 000BA039 KN MS 261, MS 261 C 43 N Pull off the spark plug boot. Rectify problems which may result in trouble in the gasoline), a dirty air filter and unfavorable...
...screen (2). N Insert the screw and tighten it as necessary to the stop position (0). These factors cause deposits to start or runs poorly at part throttle etc.) affect the condition of the spark plug. see "Specifications". Checking the Spark Plug A N Clean dirty spark plug. N Unscrew ... against the cylinder. Removing the spark plug N Remove the shroud - N Use only resistor type spark plugs of spark plug: 000BA039 KN MS 261, MS 261 C 43 N Pull off the spark plug boot. Rectify problems which may result in trouble in the gasoline), a dirty air filter and unfavorable...
Product Instruction Manual
Page 46
...oil in the boot may create arcing that could ignite combustible fumes and cause a fire. operating at part load. Always press spark plug boot (1) snugly onto spark plug terminal (2) of the fan housing away... If suitable circlip pliers are not available, have the starter rope or rewind spring replaced by STIHL. Unfavorable running conditions, e.g. N Push the hand guard upwards. N Pull the underside of ...and burn injury, use only spark plugs authorized by your servicing dealer. 44 MS 261, MS 261 C N Insert the spark plug through the grommet and screw it down the spark plug...
...oil in the boot may create arcing that could ignite combustible fumes and cause a fire. operating at part load. Always press spark plug boot (1) snugly onto spark plug terminal (2) of the fan housing away... If suitable circlip pliers are not available, have the starter rope or rewind spring replaced by STIHL. Unfavorable running conditions, e.g. N Push the hand guard upwards. N Pull the underside of ...and burn injury, use only spark plugs authorized by your servicing dealer. 44 MS 261, MS 261 C N Insert the spark plug through the grommet and screw it down the spark plug...
Product Instruction Manual
Page 48
...Slip the rotor over the starter post (3) - Replacing a broken rewind spring N Remove the rope rotor as shown in the direction of non-resinous oil. 46 MS 261, MS 261 C N Lubricate the new spring with a simple overhand knot. Tensioning the rewind spring N Make a loop in the rotor and fit the washer (5) on the ...starter post and engage it winds onto the rotor. 213BA021 KN 5902BA022 KN The starter grip must still be possible to carefully remove the parts of injury, wear face protection and work gloves. If this is not the case, the spring is fully extended it back and ...
...Slip the rotor over the starter post (3) - Replacing a broken rewind spring N Remove the rope rotor as shown in the direction of non-resinous oil. 46 MS 261, MS 261 C N Lubricate the new spring with a simple overhand knot. Tensioning the rewind spring N Make a loop in the rotor and fit the washer (5) on the ...starter post and engage it winds onto the rotor. 213BA021 KN 5902BA022 KN The starter grip must still be possible to carefully remove the parts of injury, wear face protection and work gloves. If this is not the case, the spring is fully extended it back and ...
Product Instruction Manual
Page 50
... depress throttle trigger lockout beforehand Install spur chain sprocket / rim sprocket N Clean crankshaft stub and needle cage and lubricate with STIHL lubricant (special accessory) N Slide needle cage onto the crankshaft stub N After refitting, turn the clutch drum and/or spur... parts to the remaining parts in terms of shape and level of injury! 48 MS 261, MS 261 C English 5 4 62 1 3 62 1 001BA122 KN N Use a screwdriver to increased physical strain, increased vibration load, unsatisfactory cutting results and increased wear. For an optimal sharpening result, STIHL recommends STIHL ...
... depress throttle trigger lockout beforehand Install spur chain sprocket / rim sprocket N Clean crankshaft stub and needle cage and lubricate with STIHL lubricant (special accessory) N Slide needle cage onto the crankshaft stub N After refitting, turn the clutch drum and/or spur... parts to the remaining parts in terms of shape and level of injury! 48 MS 261, MS 261 C English 5 4 62 1 3 62 1 001BA122 KN N Use a screwdriver to increased physical strain, increased vibration load, unsatisfactory cutting results and increased wear. For an optimal sharpening result, STIHL recommends STIHL ...
Product Instruction Manual
Page 53
... to the service mark (see arrow) - the highest point of the chain saw. upper part of the humped drive link (2) (with service mark) is flush with the file gauge 689BA051...tools (special accessories) Chain pitch Round file ^ Round file File holder File gauge Inches (mm) mm (Inches) Part number Part number Part number 1/4 P (6.35) 3.2 (1/8) 5605 771 3206 5605 750 4300 0000 893 4005 1/4 (6.35) 4.0 (5/32... with round file, taper square file and file gauge Taper square file Sharpening set1) Part number Part number 0814 252 3356 - - - 0814 252 3356 5605 007 1027 0814 252 3356...
... to the service mark (see arrow) - the highest point of the chain saw. upper part of the humped drive link (2) (with service mark) is flush with the file gauge 689BA051...tools (special accessories) Chain pitch Round file ^ Round file File holder File gauge Inches (mm) mm (Inches) Part number Part number Part number 1/4 P (6.35) 3.2 (1/8) 5605 771 3206 5605 750 4300 0000 893 4005 1/4 (6.35) 4.0 (5/32... with round file, taper square file and file gauge Taper square file Sharpening set1) Part number Part number 0814 252 3356 - - - 0814 252 3356 5605 007 1027 0814 252 3356...
Product Instruction Manual
Page 56
English Main Parts 15 9 16 3, 4 5 2 1 6 8 9 # 7 12 13 11 14 10 20 19 1 18 17 21 22 1 24 26 27 25 23 28 1 Shroud Lock 2 Carburetor Adjusting Screws 3 Fuel ... Filler Cap 24 Master Control Lever 25 Throttle Trigger 26 Throttle Trigger Lockout 27 Rear Handle 28 Rear Hand Guard # Serial Number 5902BA025 KN 54 MS 261, MS 261 C
English Main Parts 15 9 16 3, 4 5 2 1 6 8 9 # 7 12 13 11 14 10 20 19 1 18 17 21 22 1 24 26 27 25 23 28 1 Shroud Lock 2 Carburetor Adjusting Screws 3 Fuel ... Filler Cap 24 Master Control Lever 25 Throttle Trigger 26 Throttle Trigger Lockout 27 Rear Handle 28 Rear Hand Guard # Serial Number 5902BA025 KN 54 MS 261, MS 261 C