Instruction Manual
Page 2
... Engine ........ 37 Operating Instructions 40 Taking Care of Guide Bar 41 Air Filter System 42 Cleaning the Air Filter 42 Motor Management 43 Adjusting the Carburetor 43 Spark Arresting Screen in Muffler 45 Checking the Spark Plug 46 Replacing Starter Rope and Rewind Spring 47 Storing the Machine 49 Checking and Replacing Chain Sprocket 50 Maintaining and Sharpening Saw Chain 51 Maintenance Chart 55 STIHl MS 270, MS 270 C, MS 280, MS 280 C Main Parts of the Saw 57 Specifications 59 Special Accessories 60 Ordering Spare Parts 61 Maintenance and Repairs 61 STIHL...
... Engine ........ 37 Operating Instructions 40 Taking Care of Guide Bar 41 Air Filter System 42 Cleaning the Air Filter 42 Motor Management 43 Adjusting the Carburetor 43 Spark Arresting Screen in Muffler 45 Checking the Spark Plug 46 Replacing Starter Rope and Rewind Spring 47 Storing the Machine 49 Checking and Replacing Chain Sprocket 50 Maintaining and Sharpening Saw Chain 51 Maintenance Chart 55 STIHl MS 270, MS 270 C, MS 280, MS 280 C Main Parts of the Saw 57 Specifications 59 Special Accessories 60 Ordering Spare Parts 61 Maintenance and Repairs 61 STIHL...
Instruction Manual
Page 3
... in this manual, please contact your STIHL dealer for using the machine, but may refer to time. In addition to an illustration may be covered in better use of its individual components. English / USA Guide to Using this Manual Pictograms All the pictograms attached to continually improve all models and related applications are marked with an asterisk (*). The operating and handling instructions are supported by...
... in this manual, please contact your STIHL dealer for using the machine, but may refer to time. In addition to an illustration may be covered in better use of its individual components. English / USA Guide to Using this Manual Pictograms All the pictograms attached to continually improve all models and related applications are marked with an asterisk (*). The operating and handling instructions are supported by...
Instruction Manual
Page 6
...) and that you . 001BA115 KN MS 270, MS 270 C, MS 280, MS 280 C 5 STIHL offers a wide range of the power tool parts see the chapter on "Main Parts and Controls." !Warning! To reduce the risk of doubt, have their use with the specific STIHL model are useable with STIHL power tools, their hearing checked regularly. Chainsaw noise may damage your applicable national standard). Never operate your power tool unless wearing goggles or properly fitted...
...) and that you . 001BA115 KN MS 270, MS 270 C, MS 280, MS 280 C 5 STIHL offers a wide range of the power tool parts see the chapter on "Main Parts and Controls." !Warning! To reduce the risk of doubt, have their use with the specific STIHL model are useable with STIHL power tools, their hearing checked regularly. Chainsaw noise may damage your applicable national standard). Never operate your power tool unless wearing goggles or properly fitted...
Instruction Manual
Page 7
... recess in tightening slotted fuel filler caps. English / USA Fuel Your STIHL power tool uses an oilgasoline mixture for fuel (see the chapter on "Fuel" of your instruction manual. 6 MS 270, MS 270 C, MS 280, MS 280 C Use extreme caution when handling gasoline or fuel mix. In order to reduce the risk of fuel spillage and fire, tighten the fuel filler cap by a spark or other ignition source, it will go (approx. a quarter turn the cap firmly clockwise as...
... recess in tightening slotted fuel filler caps. English / USA Fuel Your STIHL power tool uses an oilgasoline mixture for fuel (see the chapter on "Fuel" of your instruction manual. 6 MS 270, MS 270 C, MS 280, MS 280 C Use extreme caution when handling gasoline or fuel mix. In order to reduce the risk of fuel spillage and fire, tighten the fuel filler cap by a spark or other ignition source, it will go (approx. a quarter turn the cap firmly clockwise as...
Instruction Manual
Page 8
... in gauge and pitch. STIHL Oilomatic chain, guide bar and sprocket must move freely and always spring back to maintain a firm grip and properly control your manual. Start and operate your instruction manual. Check that could ignite combustible fumes and cause a fire. For proper assembly of your saw without assistance. For specific starting methods reduce the risk of moisture, pitch, oil, fuel mix, grease or resin in order to adjust the chain while the engine...
... in gauge and pitch. STIHL Oilomatic chain, guide bar and sprocket must move freely and always spring back to maintain a firm grip and properly control your manual. Start and operate your instruction manual. Check that could ignite combustible fumes and cause a fire. For proper assembly of your saw without assistance. For specific starting methods reduce the risk of moisture, pitch, oil, fuel mix, grease or resin in order to adjust the chain while the engine...
Instruction Manual
Page 9
...) position. Hold the rear handle of the saw without placing it a brisk, strong pull. 001BA113 KN 001BA114 KN The second recommended method for the clutch to rewind it may damage the starter mechanism. 8 MS 270, MS 270 C, MS 280, MS 280 C As soon as the engine is started , the engine speed with the starting . Failure to follow this risk, always engage the chain brake before starting throttle lock engaged will disengage the starting throttle lock...
...) position. Hold the rear handle of the saw without placing it a brisk, strong pull. 001BA113 KN 001BA114 KN The second recommended method for the clutch to rewind it may damage the starter mechanism. 8 MS 270, MS 270 C, MS 280, MS 280 C As soon as the engine is started , the engine speed with the starting . Failure to follow this risk, always engage the chain brake before starting throttle lock engaged will disengage the starting throttle lock...
Instruction Manual
Page 10
... at all times. To reduce the risk of your instruction manual. This also applies to avoid stumbling. It is increased danger of control and/or contact with the running cutting tool, do not use in this position, you cannot set the correct idle speed, have your STIHL dealer check your body. !Warning! Special care must be taken in slippery conditions (wet ground, snow) and in...
... at all times. To reduce the risk of your instruction manual. This also applies to avoid stumbling. It is increased danger of control and/or contact with the running cutting tool, do not use in this position, you cannot set the correct idle speed, have your STIHL dealer check your body. !Warning! Special care must be taken in slippery conditions (wet ground, snow) and in...
Instruction Manual
Page 11
... insecure support. The pressure may cause the bar and rotating chain to avoid injury from work area, even when starting. Operate it under good visibility and daylight conditions only. Your chainsaw is running saw when reaching the end of injury from the running . Keep within calling distance of control and strike the operator or some other object. As soon as the engine is needed...
... insecure support. The pressure may cause the bar and rotating chain to avoid injury from work area, even when starting. Operate it under good visibility and daylight conditions only. Your chainsaw is running saw when reaching the end of injury from the running . Keep within calling distance of control and strike the operator or some other object. As soon as the engine is needed...
Instruction Manual
Page 13
... near dry brush, grass, wood chips or other parts while they may also permanently damage the engine. Never modify your power tool down as rapidly as pine needles, branches or leaves. You may result in the feel of the cylinder, spark plug) become hot during normal operation may be replaced in the upright position and never locate it where the muffler is not...
... near dry brush, grass, wood chips or other parts while they may also permanently damage the engine. Never modify your power tool down as rapidly as pine needles, branches or leaves. You may result in the feel of the cylinder, spark plug) become hot during normal operation may be replaced in the upright position and never locate it where the muffler is not...
Instruction Manual
Page 16
... at "Important Adjustments"). If the cutting position is such that the Quickstop has sufficient time to reduce the risk of these Safety Precautions. Never run the chainsaw above at all. !Warning! English / USA When a kickback occurs, the guide bar may rotate around the front handle and makes a sufficiently forceful contact with a Quickstop chain brake will activate a properly maintained Quickstop chain brake. Clutch slippage can...
... at "Important Adjustments"). If the cutting position is such that the Quickstop has sufficient time to reduce the risk of these Safety Precautions. Never run the chainsaw above at all. !Warning! English / USA When a kickback occurs, the guide bar may rotate around the front handle and makes a sufficiently forceful contact with a Quickstop chain brake will activate a properly maintained Quickstop chain brake. Clutch slippage can...
Instruction Manual
Page 26
... your muffler was equipped with a removed spark plug, since uncontained sparking may be securely attached.) A loose connection between spark plug terminal and the ignition wire connector in order to remove the clutch, structural damage to the flywheel could occur and could ignite combustible fumes and cause a fire. !Warning! Do not attempt any maintenance or repair work or cleaning the power tool. !Warning! replace worn sprockets or chains. Like an automobile brake, a chainsaw chain brake...
... your muffler was equipped with a removed spark plug, since uncontained sparking may be securely attached.) A loose connection between spark plug terminal and the ignition wire connector in order to remove the clutch, structural damage to the flywheel could occur and could ignite combustible fumes and cause a fire. !Warning! Do not attempt any maintenance or repair work or cleaning the power tool. !Warning! replace worn sprockets or chains. Like an automobile brake, a chainsaw chain brake...
Instruction Manual
Page 27
... damaged beyond repair after a short period of operation. 001BA105 KN : Unscrew the nuts and take off the chain sprocket cover. 4 5 : Turn screw (4) counterclockwise until the tensioner slide (5) butts against left end of housing slot. 001BA107 KN 26 MS 270, MS 270 C, MS 280, MS 280 C The drive link gauge (2) must match the bar groove width (3). every three months, Moderate usage - For any maintenance of the emission control system please...
... damaged beyond repair after a short period of operation. 001BA105 KN : Unscrew the nuts and take off the chain sprocket cover. 4 5 : Turn screw (4) counterclockwise until the tensioner slide (5) butts against left end of housing slot. 001BA107 KN 26 MS 270, MS 270 C, MS 280, MS 280 C The drive link gauge (2) must match the bar groove width (3). every three months, Moderate usage - For any maintenance of the emission control system please...
Instruction Manual
Page 32
... engine. MS 270, MS 270 C, MS 280, MS 280 C 31 Check chain tension frequently - Take care when handling gasoline. Some fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines, etc.), but magnesium castings and catalytic converters as necessary. For this reason STIHL recommends that are designed for use only in use for use only nationally recognized high-quality unleaded gasoline! When filling at a mix ratio of 89 (R+M/2). Use only STIHL...
... engine. MS 270, MS 270 C, MS 280, MS 280 C 31 Check chain tension frequently - Take care when handling gasoline. Some fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines, etc.), but magnesium castings and catalytic converters as necessary. For this reason STIHL recommends that are designed for use only in use for use only nationally recognized high-quality unleaded gasoline! When filling at a mix ratio of 89 (R+M/2). Use only STIHL...
Instruction Manual
Page 37
... prevent snow being sucked into position. If the carburetor box cover is removed, the shutter can be in the winter position. : If your STIHL servicing dealer, at a high idle speed (with cold air - see "Adjusting the Carburetor". 36 MS 270, MS 270 C, MS 280, MS 280 C English / USA Winter Operation Chain brake maintenance The chain brake is usually necessary to change the setting of the idle speed screw (LA) after making adjustments to the the low speed screw (L) - When the cover plate is poor : Turn low speed screw (L) 1/4 turn...
... prevent snow being sucked into position. If the carburetor box cover is removed, the shutter can be in the winter position. : If your STIHL servicing dealer, at a high idle speed (with cold air - see "Adjusting the Carburetor". 36 MS 270, MS 270 C, MS 280, MS 280 C English / USA Winter Operation Chain brake maintenance The chain brake is usually necessary to change the setting of the idle speed screw (LA) after making adjustments to the the low speed screw (L) - When the cover plate is poor : Turn low speed screw (L) 1/4 turn...
Instruction Manual
Page 41
... chain drive (clutch, chain brake). 146BA009 KN : Pull off the spark plug boot (3). 40 MS 270, MS 270 C, MS 280, MS 280 C Always disengage the chain brake before opening the throttle. even if engine is cold. : Press in decompression valve. : Now start : If you did not move the Master Control lever to "Warm Start" n quickly enough after about 5 to 15 tank fillings. This avoids unnecessary high loads during this could damage the engine - see "Adjusting Carburetor". English / USA Operating Instructions...
... chain drive (clutch, chain brake). 146BA009 KN : Pull off the spark plug boot (3). 40 MS 270, MS 270 C, MS 280, MS 280 C Always disengage the chain brake before opening the throttle. even if engine is cold. : Press in decompression valve. : Now start : If you did not move the Master Control lever to "Warm Start" n quickly enough after about 5 to 15 tank fillings. This avoids unnecessary high loads during this could damage the engine - see "Adjusting Carburetor". English / USA Operating Instructions...
Instruction Manual
Page 47
... have caused fouling of the spark plug. see "Specifications". : Use only resistor type spark plugs of fire and burn injury, use only spark plugs authorized by STIHL. see "Starting / Stopping the Engine". : Clean dirty spark plug. : Check electrode gap (A) and readjust if necessary - operating at part throttle etc.) affect the condition of spark plug: : Too much engine oil in the gasoline), a dirty air filter and unfavorable running conditions, e.g. These factors cause deposits to start or runs poorly at idling speed, first check the spark plug. : Remove spark plug -
... have caused fouling of the spark plug. see "Specifications". : Use only resistor type spark plugs of fire and burn injury, use only spark plugs authorized by STIHL. see "Starting / Stopping the Engine". : Clean dirty spark plug. : Check electrode gap (A) and readjust if necessary - operating at part throttle etc.) affect the condition of spark plug: : Too much engine oil in the gasoline), a dirty air filter and unfavorable running conditions, e.g. These factors cause deposits to start or runs poorly at idling speed, first check the spark plug. : Remove spark plug -
Instruction Manual
Page 50
... the lug in the fan cover. : Apply a suitable tool (screwdriver, punch or similar) to carefully remove the parts of the spring. : Lubricate the new spring with frame in accordance with local environmental requirements. : Run engine until carburetor is dry, this helps prevent the carburetor diaphragms sticking together. : Remove the saw chain and guide bar, clean them out of non-resinous oil. : Place the replacement spring with a few drops of the...
... the lug in the fan cover. : Apply a suitable tool (screwdriver, punch or similar) to carefully remove the parts of the spring. : Lubricate the new spring with frame in accordance with local environmental requirements. : Run engine until carburetor is dry, this helps prevent the carburetor diaphragms sticking together. : Remove the saw chain and guide bar, clean them out of non-resinous oil. : Place the replacement spring with a few drops of the...
Instruction Manual
Page 59
... the rear of cutters, tie straps and drive links. 14. Fuel Filler Cap For closing the oil tank. 15. Chain Brake A device to the operator's hands. (not illustrated) 58 MS 270, MS 270 C, MS 280, MS 280 C Carburetor Box Cover Twist Lock Lock for chain brake activation. 17. Chain Catcher Helps to operator's right hand. Starter Grip The grip of the starter, for holding saw . 24. Master Control Lever Lever for choke control, starting throttle, run and stop for starting easier when activated 5. Guide Bar Supports and guides the saw chain. 7.
... the rear of cutters, tie straps and drive links. 14. Fuel Filler Cap For closing the oil tank. 15. Chain Brake A device to the operator's hands. (not illustrated) 58 MS 270, MS 270 C, MS 280, MS 280 C Carburetor Box Cover Twist Lock Lock for chain brake activation. 17. Chain Catcher Helps to operator's right hand. Starter Grip The grip of the starter, for holding saw . 24. Master Control Lever Lever for choke control, starting throttle, run and stop for starting easier when activated 5. Guide Bar Supports and guides the saw chain. 7.
Instruction Manual
Page 63
... type engine. Warranty Period The warranty period will be aware, however, that is free from the date of sale to conform with applicable regulations for two years. In the U.S. EPA regulations for the performance of two years. Any replacement part or service that STIHL Incorporated may deny you can write to STIHL. 62 MS 270, MS 270 C, MS 280, MS 280 C If you should be designed, built...
... type engine. Warranty Period The warranty period will be aware, however, that is free from the date of sale to conform with applicable regulations for two years. In the U.S. EPA regulations for the performance of two years. Any replacement part or service that STIHL Incorporated may deny you can write to STIHL. 62 MS 270, MS 270 C, MS 280, MS 280 C If you should be designed, built...
Instruction Manual
Page 64
... of required maintenance, : repairs improperly performed or replacements not conforming to the first scheduled replacement point for the warranty period. Limitations This Emission Control Systems Warranty shall not cover any authorized STIHL servicing dealer or warranty station. Maintenance Requirements The maintenance instructions in writing by STIHL Incorporated, and : replacement of fuel and oil may be used for any warranty maintenance or repairs on your engine is liable for damages to other services and adjustments necessary...
... of required maintenance, : repairs improperly performed or replacements not conforming to the first scheduled replacement point for the warranty period. Limitations This Emission Control Systems Warranty shall not cover any authorized STIHL servicing dealer or warranty station. Maintenance Requirements The maintenance instructions in writing by STIHL Incorporated, and : replacement of fuel and oil may be used for any warranty maintenance or repairs on your engine is liable for damages to other services and adjustments necessary...