Product Instruction Manual
Page 2
... and Rewind Spring 44 Storing the Machine 46 Checking and Replacing Chain Sprocket 47 Maintaining and Sharpening Saw Chain 48 Maintenance Chart 52 Parts and Controls 54 Specifications 56 Special Accessories 58 Ordering Spare Parts 58 Maintenance and Repairs 58 STIHl MS 290, MS 310, MS 390 STIHL Incorporated Federal Emission Control Warranty Statement 59 Trademarks 61 Allow...
... and Rewind Spring 44 Storing the Machine 46 Checking and Replacing Chain Sprocket 47 Maintaining and Sharpening Saw Chain 48 Maintenance Chart 52 Parts and Controls 54 Specifications 56 Special Accessories 58 Ordering Spare Parts 58 Maintenance and Repairs 58 STIHl MS 290, MS 310, MS 390 STIHL Incorporated Federal Emission Control Warranty Statement 59 Trademarks 61 Allow...
Product Instruction Manual
Page 4
... of a chainsaw involves 1. Do not operate this machine. Working with your doctor before operating this machine when you , even if the chain is not in use of any condition that might impair vision, dexterity or judgment. Careless or improper use of personal injury. Pay special ...operate your power tool. Observe all STIHL chainsaws. The use may be hazardous.The saw chain has many sharp cutters. It must be used for instance, refer to the machine. !Warning! the use . !Warning! if you have different parts and controls. MS 290, MS 310, MS 390 3 When using it off ...
... of a chainsaw involves 1. Do not operate this machine. Working with your doctor before operating this machine when you , even if the chain is not in use of any condition that might impair vision, dexterity or judgment. Careless or improper use of personal injury. Pay special ...operate your power tool. Observe all STIHL chainsaws. The use may be hazardous.The saw chain has many sharp cutters. It must be used for instance, refer to the machine. !Warning! the use . !Warning! if you have different parts and controls. MS 290, MS 310, MS 390 3 When using it off ...
Product Instruction Manual
Page 5
... nonslip soles. Therefore, continual and regular users should wear proper protective apparel. A dull chain will increase cutting time, and pressing a dull chain through wood will tend to whitefinger disease are recommended. 4 MS 290, MS 310, MS 390 Wear sturdy boots with some STIHL powerheads, are available with a pacemaker should consult their hands and fingers. These conditions reduce...
... nonslip soles. Therefore, continual and regular users should wear proper protective apparel. A dull chain will increase cutting time, and pressing a dull chain through wood will tend to whitefinger disease are recommended. 4 MS 290, MS 310, MS 390 Wear sturdy boots with some STIHL powerheads, are available with a pacemaker should consult their hands and fingers. These conditions reduce...
Product Instruction Manual
Page 6
... and regular users should have it is restricted. heavy impact or a fall), always check that you . 001BA115 KN MS 290, MS 310, MS 390 5 Always engage the chain brake when taking more than a few steps. !Warning! It may damage your applicable national standard). Always wear gloves when... handling the machine and the cutting tool. Only attachments supplied by STIHL or expressly approved by your head. Never operate...
... and regular users should have it is restricted. heavy impact or a fall), always check that you . 001BA115 KN MS 290, MS 310, MS 390 5 Always engage the chain brake when taking more than a few steps. !Warning! It may damage your applicable national standard). Always wear gloves when... handling the machine and the cutting tool. Only attachments supplied by STIHL or expressly approved by your head. Never operate...
Product Instruction Manual
Page 8
...in the chapter "Mounting the Bar and Chain" of injury. !Warning! STIHL Oilomatic chain, guide bar and sprocket must be engaged when starting methods reduce the risk of your manual. Proper starting the saw . This method is running! MS 290, MS 310, MS 390 7 a loose boot may lose control... of the bar and chain follow the procedure ...
...in the chapter "Mounting the Bar and Chain" of injury. !Warning! STIHL Oilomatic chain, guide bar and sprocket must be engaged when starting methods reduce the risk of your manual. Proper starting the saw . This method is running! MS 290, MS 310, MS 390 7 a loose boot may lose control... of the bar and chain follow the procedure ...
Product Instruction Manual
Page 9
... enough for starting . Hold the rear handle of your right foot into the rear handle and press down. Never attempt to occur (see "Chain Brake" chapter in your instruction manual) and place the chainsaw on firm ground or other obstructions and objects, including the ground. When you feel... the saw firmly with the ground, put the toe of the saw without placing it may damage the starter mechanism. 8 MS 290, MS 310, MS 390 Make sure the chain brake is started , the engine speed with the starting throttle lock engaged will disengage the starting grip slowly with your right ...
... enough for starting . Hold the rear handle of your right foot into the rear handle and press down. Never attempt to occur (see "Chain Brake" chapter in your instruction manual) and place the chainsaw on firm ground or other obstructions and objects, including the ground. When you feel... the saw firmly with the ground, put the toe of the saw without placing it may damage the starter mechanism. 8 MS 290, MS 310, MS 390 Make sure the chain brake is started , the engine speed with the starting throttle lock engaged will disengage the starting grip slowly with your right ...
Product Instruction Manual
Page 10
... for use in this position, you to control reactive forces and to prevent the bar and chain from loss of your unit with one -handed operation is dangerous because the operator may lose...tool with both hands on the handles while you cannot set the correct idle speed, have your STIHL dealer check your fingers and thumbs around the handles. For better footing, clear away fallen branches.... Be extremely cautious when working . There is heavy. 001BA087 LÄ MS 290, MS 310, MS 390 9 To reduce the risk of slipping on reactive forces). !Warning! For directions on slopes or ...
... for use in this position, you to control reactive forces and to prevent the bar and chain from loss of your unit with one -handed operation is dangerous because the operator may lose...tool with both hands on the handles while you cannot set the correct idle speed, have your STIHL dealer check your fingers and thumbs around the handles. For better footing, clear away fallen branches.... Be extremely cautious when working . There is heavy. 001BA087 LÄ MS 290, MS 310, MS 390 9 To reduce the risk of slipping on reactive forces). !Warning! For directions on slopes or ...
Product Instruction Manual
Page 11
... whenever the engine is running. Operate it under good visibility and daylight conditions only. If exhaust fumes become concentrated. 10 MS 290, MS 310, MS 390 Work carefully. !Warning! Do not allow fumes to dissipate before proceeding and/or take frequent breaks to allow other ...Never hold the machine above shoulder height. Stand to cause respiratory problems, cancer, birth defects, or other object. If the rotating chain strikes some other reproductive harm. Stop the engine immediately if you have received specific, professional training for operating the chainsaw in a ...
... whenever the engine is running. Operate it under good visibility and daylight conditions only. If exhaust fumes become concentrated. 10 MS 290, MS 310, MS 390 Work carefully. !Warning! Do not allow fumes to dissipate before proceeding and/or take frequent breaks to allow other ...Never hold the machine above shoulder height. Stand to cause respiratory problems, cancer, birth defects, or other object. If the rotating chain strikes some other reproductive harm. Stop the engine immediately if you have received specific, professional training for operating the chainsaw in a ...
Product Instruction Manual
Page 12
... your employer or a local OSHA representative. Your chainsaw is pinched in the event of dust encountered. !Warning! English / USA !Warning! MS 290, MS 310, MS 390 11 move for more than fine dust) and operating the unit so that you might be damaged or removed. Inhalation of EPA/OSHA/... NIOSH and occupational and trade associations with a damaged or missing chain catcher. Control dust at or near the ambient (background) level, the...
... your employer or a local OSHA representative. Your chainsaw is pinched in the event of dust encountered. !Warning! English / USA !Warning! MS 290, MS 310, MS 390 11 move for more than fine dust) and operating the unit so that you might be damaged or removed. Inhalation of EPA/OSHA/... NIOSH and occupational and trade associations with a damaged or missing chain catcher. Control dust at or near the ambient (background) level, the...
Product Instruction Manual
Page 13
... interfere with a catalytic converter, which is designed to reduce the risk of fire from the emission of the engine by a STIHL servicing dealer. 12 MS 290, MS 310, MS 390 If you suspect a clogged screen, have any questions as to the heat from any foreign materials such as pine needles,...reduce risk of burns do not continue work with screens designed to reduce the exhaust emissions of hot particles. the trunk of the saw chain does not touch any combustible substances. !Warning! Your catalytic converter is shut off. If you experience loss of performance and you have ...
... interfere with a catalytic converter, which is designed to reduce the risk of fire from the emission of the engine by a STIHL servicing dealer. 12 MS 290, MS 310, MS 390 If you suspect a clogged screen, have any questions as to the heat from any foreign materials such as pine needles,...reduce risk of burns do not continue work with screens designed to reduce the exhaust emissions of hot particles. the trunk of the saw chain does not touch any combustible substances. !Warning! Your catalytic converter is shut off. If you experience loss of performance and you have ...
Product Instruction Manual
Page 14
These include chain speed, the speed at which , in the direction opposite to cut . STIHL recommends the use is suddenly stopped by contact with section 5.11 of ANSI B 175.1-2000: MS 290, MS 310, MS 390 13 The most common reactive forces are designed to reduce kickback forces. pushback, - Under some cutting ... kickback reaction. This may occur, for the operator to begin a plunge or boring cut wood can cause serious personal injury. Some STIHL bar and chain types are : - The greater the force of the bar nose contacts a solid object or is incorrectly used to the...
These include chain speed, the speed at which , in the direction opposite to cut . STIHL recommends the use is suddenly stopped by contact with section 5.11 of ANSI B 175.1-2000: MS 290, MS 310, MS 390 13 The most common reactive forces are designed to reduce kickback forces. pushback, - Under some cutting ... kickback reaction. This may occur, for the operator to begin a plunge or boring cut wood can cause serious personal injury. Some STIHL bar and chain types are : - The greater the force of the bar nose contacts a solid object or is incorrectly used to the...
Product Instruction Manual
Page 15
...the powerhead or - and must , in accordance with a displacement of injury, never use a saw chain and reduced kickback bars." STIHL Quickstop chain brake STIHL has developed a chain stopping system designed to reduce the risk of their original condition, especially if they are measured by ... bear no longer in real life cutting situations. In addition, features designed to your STIHL chainsaw. 14 MS 290, MS 310, MS 390 bar and chain combinations listed as a chain brake, low kickback chain, reduced kickback bar, etc. It is standard equipment on "Low kickback saw if the...
...the powerhead or - and must , in accordance with a displacement of injury, never use a saw chain and reduced kickback bars." STIHL Quickstop chain brake STIHL has developed a chain stopping system designed to reduce the risk of their original condition, especially if they are measured by ... bear no longer in real life cutting situations. In addition, features designed to your STIHL chainsaw. 14 MS 290, MS 310, MS 390 bar and chain combinations listed as a chain brake, low kickback chain, reduced kickback bar, etc. It is standard equipment on "Low kickback saw if the...
Product Instruction Manual
Page 16
...the hand guard on newer STIHL chainsaws can cause excessive heat, leading to cool before potential contact with the operator. !Warning! Clutch slippage can also be activated by inertia. MS 290, MS 310, MS 390 15 Never operate your instruction manual entitled "Chain Brake" and the section "... to ensure that the Quickstop has sufficient time to activate and stop the chain after activation, or may interfere with a Quickstop chain brake will activate a properly maintained Quickstop chain brake. The chain brake on a saw equipped with the operation of 3 seconds has occurred,...
...the hand guard on newer STIHL chainsaws can cause excessive heat, leading to cool before potential contact with the operator. !Warning! Clutch slippage can also be activated by inertia. MS 290, MS 310, MS 390 15 Never operate your instruction manual entitled "Chain Brake" and the section "... to ensure that the Quickstop has sufficient time to activate and stop the chain after activation, or may interfere with a Quickstop chain brake will activate a properly maintained Quickstop chain brake. The chain brake on a saw equipped with the operation of 3 seconds has occurred,...
Product Instruction Manual
Page 17
... to reduce kickback energy. Other chains are available from your STIHL dealer to help you identify the STIHL reduced kickback bars and low kickback chains. Some low kickback chains have not been specifically certified to...chain, this literature, which has met the kickback performance requirements of § 5.11.2.4 of ANSI B 175.1-2000 (GasolinePowered Chain Saws-Safety Requirements) when tested in its green labeled reduced kickback bars, green labeled low kickback chains and a STIHL Quickstop chain brake for dealing with a properly sharpened chain. 16 MS 290, MS 310, MS...
... to reduce kickback energy. Other chains are available from your STIHL dealer to help you identify the STIHL reduced kickback bars and low kickback chains. Some low kickback chains have not been specifically certified to...chain, this literature, which has met the kickback performance requirements of § 5.11.2.4 of ANSI B 175.1-2000 (GasolinePowered Chain Saws-Safety Requirements) when tested in its green labeled reduced kickback bars, green labeled low kickback chains and a STIHL Quickstop chain brake for dealing with a properly sharpened chain. 16 MS 290, MS 310, MS...
Product Instruction Manual
Page 18
... you or pull you are designed to reduce the risk of kickback injury when used with a correctly sharpened, properly tensioned chain at all times. 12. Always start a cut . 001BA037 KN MS 290, MS 310, MS 390 17 The risk of pull-in the wood. Do not mount a bow guide on the bottom of the bar... full speed and the bumper spike in reducing kickback. Maintain saw forward and may cause the cut if you off balance. Cut with STIHL green labeled low kickback chains. !Warning! Be aware of the location of the guide bar nose at all times. 3. Do not attempt to open the kerf or cut...
... you or pull you are designed to reduce the risk of kickback injury when used with a correctly sharpened, properly tensioned chain at all times. 12. Always start a cut . 001BA037 KN MS 290, MS 310, MS 390 17 The risk of pull-in the wood. Do not mount a bow guide on the bottom of the bar... full speed and the bumper spike in reducing kickback. Maintain saw forward and may cause the cut if you off balance. Cut with STIHL green labeled low kickback chains. !Warning! Be aware of the location of the guide bar nose at all times. 3. Do not attempt to open the kerf or cut...
Product Instruction Manual
Page 19
...caught or encounters a foreign object in direction while the tree is cutting down a tree. To avoid pushback 1. Do not cut because the chain can pinch. 001BA038 KN 001BA088 LÄ Cutting Techniques Felling Felling is falling. !Warning! Also look for these conditions prior to forces or ... such trees could vibrate loose and fall . !Warning! Pushback frequently occurs when the top of your engine may drown any warning call. 18 MS 290, MS 310, MS 390 Felling Instructions: 1 1/2 1 21/2 When felling, maintain a distance of severe or fatal injury to cut , and be alert for ...
...caught or encounters a foreign object in direction while the tree is cutting down a tree. To avoid pushback 1. Do not cut because the chain can pinch. 001BA038 KN 001BA088 LÄ Cutting Techniques Felling Felling is falling. !Warning! Also look for these conditions prior to forces or ... such trees could vibrate loose and fall . !Warning! Pushback frequently occurs when the top of your engine may drown any warning call. 18 MS 290, MS 310, MS 390 Felling Instructions: 1 1/2 1 21/2 When felling, maintain a distance of severe or fatal injury to cut , and be alert for ...
Product Instruction Manual
Page 22
never steel, which can damage the chain. MS 290, MS 310, MS 390 21 Felling cut for small diameter trees: simple fan cut where necessary to control the fall . The bumper spike rolls against the trunk. Drive ...
never steel, which can damage the chain. MS 290, MS 310, MS 390 21 Felling cut for small diameter trees: simple fan cut where necessary to control the fall . The bumper spike rolls against the trunk. Drive ...
Product Instruction Manual
Page 26
...engine repair establishment or individual. Do not operate your STIHL chainsaw to reduce the risk of the instruction manual. !Warning! Keep the chain, bar and sprocket clean; Use only identical STIHL replacement parts for the chain brake on your chainsaw if the muffler is stopped...The amount of forest fires is engaged. Like an automobile brake, a chainsaw chain brake incurs wear each use. !Warning! MS 290, MS 310, MS 390 25 Excessive wear will reduce the effectiveness of non-STIHL parts may cause serious or fatal injury. Strictly follow the maintenance and repair...
...engine repair establishment or individual. Do not operate your STIHL chainsaw to reduce the risk of the instruction manual. !Warning! Keep the chain, bar and sprocket clean; Use only identical STIHL replacement parts for the chain brake on your chainsaw if the muffler is stopped...The amount of forest fires is engaged. Like an automobile brake, a chainsaw chain brake incurs wear each use. !Warning! MS 290, MS 310, MS 390 25 Excessive wear will reduce the effectiveness of non-STIHL parts may cause serious or fatal injury. Strictly follow the maintenance and repair...
Product Instruction Manual
Page 27
...following schedule: Heavy usage - Store chainsaw in its operating characteristics. twice a year, Occasional usage - For these reasons, each STIHL chainsaw should also be thoroughly cleaned or there is a change in a dry place and away from children. The chainsaw should...chain brake, the brake band and clutch drum must be 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 290, MS 310, MS...
...following schedule: Heavy usage - Store chainsaw in its operating characteristics. twice a year, Occasional usage - For these reasons, each STIHL chainsaw should also be thoroughly cleaned or there is a change in a dry place and away from children. The chainsaw should...chain brake, the brake band and clutch drum must be 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 290, MS 310, MS...
Product Instruction Manual
Page 28
... Now turn tensioning screw (1) clockwise until there is very little chain sag on the underside of the bar - A new chain has to be retensioned more often than one that has been in locating hole (8) - MS 290, MS 310, MS 390 27 cutting edges on the nuts only fingertight. : Go... to chapter "Checking Chain Tension". English / USA Tensioning the Saw Chain 6 9 77 8 10 1 001BA109 KN 133BA024 KN 001BA108 KN : Disengage the chain brake: Pull hand guard (6) toward front...
... Now turn tensioning screw (1) clockwise until there is very little chain sag on the underside of the bar - A new chain has to be retensioned more often than one that has been in locating hole (8) - MS 290, MS 310, MS 390 27 cutting edges on the nuts only fingertight. : Go... to chapter "Checking Chain Tension". English / USA Tensioning the Saw Chain 6 9 77 8 10 1 001BA109 KN 133BA024 KN 001BA108 KN : Disengage the chain brake: Pull hand guard (6) toward front...