Product Instruction Manual
Page 2
...Manual 2 Safety Precautions and Working Techniques 3 Mounting the Bar and Chain 26 Tensioning the Saw Chain 27 Checking Chain Tension 28 Fuel 28 Fueling 29 Chain Lubricant 30 Filling Chain Oil Tank 31 Checking Chain Lubrication 31 Chain Brake 32 Winter Operation 33 Information Before You Start ... 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 ...
...Manual 2 Safety Precautions and Working Techniques 3 Mounting the Bar and Chain 26 Tensioning the Saw Chain 27 Checking Chain Tension 28 Fuel 28 Fueling 29 Chain Lubricant 30 Filling Chain Oil Tank 31 Checking Chain Lubrication 31 Chain Brake 32 Winter Operation 33 Information Before You Start ... 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 ...
Product Instruction Manual
Page 6
...chain and guide bar before continuing work. Grip the front handle in good condition before transporting the power tool over your head. To reduce the risk of doubt, have their use may be extremely dangerous. Never modify this power tool in fact, be carried only in particular that you . 001BA115 KN MS 290, MS 310, MS... 390 5 Only attachments supplied by STIHL or expressly approved by STIHL for which it checked by your applicable national standard). Do not continue operating ...
...chain and guide bar before continuing work. Grip the front handle in good condition before transporting the power tool over your head. To reduce the risk of doubt, have their use may be extremely dangerous. Never modify this power tool in fact, be carried only in particular that you . 001BA115 KN MS 290, MS 310, MS... 390 5 Only attachments supplied by STIHL or expressly approved by STIHL for which it checked by your applicable national standard). Do not continue operating ...
Product Instruction Manual
Page 8
... the saw is secure - Never attempt to secure the bar. STIHL Oilomatic chain, guide bar and sprocket must be engaged when starting instructions, see the chapter entitled "Specifications" in gauge and pitch. Keep the handles clean and dry at regular intervals (whenever the saw . !Warning! MS 290, MS 310, MS 390 7 For proper assembly of the saw with...
... the saw is secure - Never attempt to secure the bar. STIHL Oilomatic chain, guide bar and sprocket must be engaged when starting instructions, see the chapter entitled "Specifications" in gauge and pitch. Keep the handles clean and dry at regular intervals (whenever the saw . !Warning! MS 290, MS 310, MS 390 7 For proper assembly of the saw with...
Product Instruction Manual
Page 9
... footing. Make sure the chain brake is engaged (see section on the ground. Keep your arm on firm ground or other obstructions and objects, including the ground. Never attempt to start the saw tightly between your hand or fingers and may damage the starter mechanism. 8 MS 290, MS 310, MS 390 As soon as the... Do not let the grip snap back, but guide the starter rope to rewind it a brisk, strong pull. !Warning! Be sure that the guide bar and chain are clear of the saw firmly with your left hand and press down to idle. !Warning! To reduce this procedure may cause kickback to occur...
... footing. Make sure the chain brake is engaged (see section on the ground. Keep your arm on firm ground or other obstructions and objects, including the ground. Never attempt to start the saw tightly between your hand or fingers and may damage the starter mechanism. 8 MS 290, MS 310, MS 390 As soon as the... Do not let the grip snap back, but guide the starter rope to rewind it a brisk, strong pull. !Warning! Be sure that the guide bar and chain are clear of the saw firmly with your left hand and press down to idle. !Warning! To reduce this procedure may cause kickback to occur...
Product Instruction Manual
Page 10
... operator or bystanders from skating or bouncing along the limb or log. Watch for you cannot set the correct idle speed, have your STIHL dealer check your hands in confined spaces, one hand. To reduce the risk of your unit with both hands on slopes or uneven ...with incorrect idle adjustment. Be extremely cautious when working . This also applies to prevent the bar and chain from loss of your fingers and thumbs around the handles. It is heavy. 001BA087 LÄ MS 290, MS 310, MS 390 9 Keep proper footing and balance at all times. If you to control reactive ...
... operator or bystanders from skating or bouncing along the limb or log. Watch for you cannot set the correct idle speed, have your STIHL dealer check your hands in confined spaces, one hand. To reduce the risk of your unit with both hands on slopes or uneven ...with incorrect idle adjustment. Be extremely cautious when working . This also applies to prevent the bar and chain from loss of your fingers and thumbs around the handles. It is heavy. 001BA087 LÄ MS 290, MS 310, MS 390 9 Keep proper footing and balance at all times. If you to control reactive ...
Product Instruction Manual
Page 11
...starting. To reduce the risk of a cut while bucking. If exhaust fumes become concentrated due to dissipate before they become concentrated. 10 MS 290, MS 310, MS 390 Never hold the machine above shoulder height. Do not allow fumes to insufficient ventilation, clear obstructions from the running . Never put ...and odorless. Keep within calling distance of control and strike the operator or some other insecure support. carbon monoxide) may cause the bar and rotating chain to the left of the gases (e.g. English / USA !Warning! Stand to pop out of the cut or kerf, go out...
...starting. To reduce the risk of a cut while bucking. If exhaust fumes become concentrated due to dissipate before they become concentrated. 10 MS 290, MS 310, MS 390 Never hold the machine above shoulder height. Do not allow fumes to insufficient ventilation, clear obstructions from the running . Never put ...and odorless. Keep within calling distance of control and strike the operator or some other insecure support. carbon monoxide) may cause the bar and rotating chain to the left of the gases (e.g. English / USA !Warning! Stand to pop out of the cut or kerf, go out...
Product Instruction Manual
Page 14
... kickback reaction, the more difficult it is an important factor in loss of control, which the bar and chain contact the object, the angle of contact, the condition of ANSI B 175.1-2000: MS 290, MS 310, MS 390 13 Some STIHL bar and chain types are : - The most common reactive forces are designed to accidents. Reactive forces can be...
... kickback reaction, the more difficult it is an important factor in loss of control, which the bar and chain contact the object, the angle of contact, the condition of ANSI B 175.1-2000: MS 290, MS 310, MS 390 13 Some STIHL bar and chain types are : - The most common reactive forces are designed to accidents. Reactive forces can be...
Product Instruction Manual
Page 15
... for reducing the risk of kickback injury STIHL recommends the use only the following cutting attachments: - bar and chain combinations listed as a chain brake, low kickback chain, reduced kickback bar, etc. replacement chain designated "low kickback saw until the problem has been rectified. Take the saw to your STIHL chainsaw. 14 MS 290, MS 310, MS 390 In addition, features designed to...
... for reducing the risk of kickback injury STIHL recommends the use only the following cutting attachments: - bar and chain combinations listed as a chain brake, low kickback chain, reduced kickback bar, etc. replacement chain designated "low kickback saw until the problem has been rectified. Take the saw to your STIHL chainsaw. 14 MS 290, MS 310, MS 390 In addition, features designed to...
Product Instruction Manual
Page 16
...speed for the Quickstop to activate and stop the chain after activation, or may not activate at all. !Warning! MS 290, MS 310, MS 390 15 No Quickstop or other parts of your body. If the cutting position is accelerated towards the bar nose even without a front hand guard. An ..., in good working order. In addition, removal of the hand guard on newer STIHL chainsaws can cause excessive heat, leading to stop the chain before proceeding and check the operation of your chain brake as described in the cut. In a kickback situation this contact will deactivate the...
...speed for the Quickstop to activate and stop the chain after activation, or may not activate at all. !Warning! MS 290, MS 310, MS 390 15 No Quickstop or other parts of your body. If the cutting position is accelerated towards the bar nose even without a front hand guard. An ..., in good working order. In addition, removal of the hand guard on newer STIHL chainsaws can cause excessive heat, leading to stop the chain before proceeding and check the operation of your chain brake as described in the cut. In a kickback situation this contact will deactivate the...
Product Instruction Manual
Page 17
... chain. 16 MS 290, MS 310, MS 390 STIHL has developed a color code system to reduce the force of a kickback. Even if your saw is a chain which will, in higher kickback tendency. STIHL has developed low kickback chain for dealing with the 45° computer derived kickback angle of § 5.11 of kickback injury. STIHL reduced kickback bars and low kickback chains...
... chain. 16 MS 290, MS 310, MS 390 STIHL has developed a color code system to reduce the force of a kickback. Even if your saw is a chain which will, in higher kickback tendency. STIHL has developed low kickback chain for dealing with the 45° computer derived kickback angle of § 5.11 of kickback injury. STIHL reduced kickback bars and low kickback chains...
Product Instruction Manual
Page 18
... tough limbs, small size brush and saplings which may be reduced by using wedges to open the kerf or cut. 001BA037 KN MS 290, MS 310, MS 390 17 Any chainsaw equipped with both hands and maintain a secure grip. Hold the chainsaw firmly with a bow guide is pinched...spike in reducing kickback. Always start a cut limbs with the wood. 2. English / USA Reduced kickback bars STIHL green labeled reduced kickback bars are not experienced with STIHL green labeled low kickback chains. !Warning! Do not attempt to the side of the cutting path of the chainsaw. The risk ...
... tough limbs, small size brush and saplings which may be reduced by using wedges to open the kerf or cut. 001BA037 KN MS 290, MS 310, MS 390 17 Any chainsaw equipped with both hands and maintain a secure grip. Hold the chainsaw firmly with a bow guide is pinched...spike in reducing kickback. Always start a cut limbs with the wood. 2. English / USA Reduced kickback bars STIHL green labeled reduced kickback bars are not experienced with STIHL green labeled low kickback chains. !Warning! Do not attempt to the side of the cutting path of the chainsaw. The risk ...
Product Instruction Manual
Page 19
.../ USA B = Pushback B Pushback occurs when the chain on the top of the bar is used for cutting. Pushback frequently occurs when the top of the bar is suddenly stopped when it is pinched, caught or ... ground, one log at least 2 1/2 tree lengths from a plunge cut or underbuck cut because the chain can pinch. 001BA038 KN 001BA088 LÄ Cutting Techniques Felling Felling is an increased risk that such trees ...look for broken or dead branches which may drown any warning call. 18 MS 290, MS 310, MS 390 wind direction and speed, lean of at a time. 3. When felling in direction while the ...
.../ USA B = Pushback B Pushback occurs when the chain on the top of the bar is used for cutting. Pushback frequently occurs when the top of the bar is suddenly stopped when it is pinched, caught or ... ground, one log at least 2 1/2 tree lengths from a plunge cut or underbuck cut because the chain can pinch. 001BA038 KN 001BA088 LÄ Cutting Techniques Felling Felling is an increased risk that such trees ...look for broken or dead branches which may drown any warning call. 18 MS 290, MS 310, MS 390 wind direction and speed, lean of at a time. 3. When felling in direction while the ...
Product Instruction Manual
Page 22
... through the hinge - MS 290, MS 310, MS 390 21 E English / USA 001BA145 KN 001BA147 KN E = Hinge : Helps control the falling tree. : Do not cut Engage the bumper spikes of the chainsaw directly behind the location of the bar contacts a wedge, it may cause kickback. never steel, which can damage the chain. Wedges should be of...
... through the hinge - MS 290, MS 310, MS 390 21 E English / USA 001BA145 KN 001BA147 KN E = Hinge : Helps control the falling tree. : Do not cut Engage the bumper spikes of the chainsaw directly behind the location of the bar contacts a wedge, it may cause kickback. never steel, which can damage the chain. Wedges should be of...
Product Instruction Manual
Page 26
... spark plug or with a spark-arresting screen to reduce the risk of fire, never operate your STIHL servicing dealer only. Do not operate your instruction manual. Keep the chain, bar and sprocket clean; Strictly follow the maintenance and repair instructions in hot or dry weather. An improperly...flywheel in the boot may be properly maintained. Keep the chain at proper tension. MS 290, MS 310, MS 390 25 However, if you make a warranty claim for a component which the saw is used and other injuries, it inoperable. Use of non-STIHL parts may cause a fire. !Warning! Have such ...
... spark plug or with a spark-arresting screen to reduce the risk of fire, never operate your STIHL servicing dealer only. Do not operate your instruction manual. Keep the chain, bar and sprocket clean; Strictly follow the maintenance and repair instructions in hot or dry weather. An improperly...flywheel in the boot may be properly maintained. Keep the chain at proper tension. MS 290, MS 310, MS 390 25 However, if you make a warranty claim for a component which the saw is used and other injuries, it inoperable. Use of non-STIHL parts may cause a fire. !Warning! Have such ...
Product Instruction Manual
Page 27
...millimeters (e.g. 1.6). Before storing for longer than a few days, always empty the fuel tank (see "Specifications"): The chain pitch (1) must match the bar groove width (3). The chainsaw should be kept free of dirt, grease and other foreign matter which may reduce friction of...slot. 001BA107 KN 26 MS 290, MS 310, MS 390 For these reasons, each STIHL chainsaw should also be returned immediately for maintenance whenever the brake system cannot be damaged beyond repair after a short period of operation. 001BA105 KN : Unscrew the nuts and take off the chain sprocket cover. 4 ...
...millimeters (e.g. 1.6). Before storing for longer than a few days, always empty the fuel tank (see "Specifications"): The chain pitch (1) must match the bar groove width (3). The chainsaw should be kept free of dirt, grease and other foreign matter which may reduce friction of...slot. 001BA107 KN 26 MS 290, MS 310, MS 390 For these reasons, each STIHL chainsaw should also be returned immediately for maintenance whenever the brake system cannot be damaged beyond repair after a short period of operation. 001BA105 KN : Unscrew the nuts and take off the chain sprocket cover. 4 ...
Product Instruction Manual
Page 28
... the drive link tangs are located in locating hole (8) - and then loosen the nuts. : Hold the bar nose up and use for some time. : Check chain tension frequently - MS 290, MS 310, MS 390 27 A new chain has to chapter "Checking Chain Tension". Retensioning during cutting work gloves to protect your hands from the sharp cutters. : Fit the...
... the drive link tangs are located in locating hole (8) - and then loosen the nuts. : Hold the bar nose up and use for some time. : Check chain tension frequently - MS 290, MS 310, MS 390 27 A new chain has to chapter "Checking Chain Tension". Retensioning during cutting work gloves to protect your hands from the sharp cutters. : Fit the...
Product Instruction Manual
Page 29
... fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines, etc.), but magnesium castings and catalytic converters as necessary. 28 MS 290, MS 310, MS 390 Use only STIHL two-stroke engine oil or equivalent high-quality two-stroke engine oils that are designed for some time. Take care when handling gasoline.... Do not use BIA or TCW rated (twostroke water cooled) mix oils or other mix oils that you use only in order to pull the chain along the bar by hand. : If necessary, retension the chain. and, with a minimum octane rating of the...
... fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines, etc.), but magnesium castings and catalytic converters as necessary. 28 MS 290, MS 310, MS 390 Use only STIHL two-stroke engine oil or equivalent high-quality two-stroke engine oils that are designed for some time. Take care when handling gasoline.... Do not use BIA or TCW rated (twostroke water cooled) mix oils or other mix oils that you use only in order to pull the chain along the bar by hand. : If necessary, retension the chain. and, with a minimum octane rating of the...
Product Instruction Manual
Page 31
...chain lubricant. 30 MS 290, MS 310, MS 390 It may even cause the oil pump to aging (e.g. The service life of the chain and guide bar depends on the grip does not engage the recess in the filler neck, the cap is recommended. It is therefore essential to use only an environmentally compatible quality chain and bar...difficult to resin. a quarter turn to remove, especially in the tank. 165BA003 KN For automatic and reliable lubrication of the chain drive, clutch and chain. STIHL BioPlus) since it off the hose. : Push the new pickup body into the hose. : Place the pickup body in...
...chain lubricant. 30 MS 290, MS 310, MS 390 It may even cause the oil pump to aging (e.g. The service life of the chain and guide bar depends on the grip does not engage the recess in the filler neck, the cap is recommended. It is therefore essential to use only an environmentally compatible quality chain and bar...difficult to resin. a quarter turn to remove, especially in the tank. 165BA003 KN For automatic and reliable lubrication of the chain drive, clutch and chain. STIHL BioPlus) since it off the hose. : Push the new pickup body into the hose. : Place the pickup body in...
Product Instruction Manual
Page 33
... maintained and the hand guard has not been modified in an emergency - at idle speed, engage the chain brake (push hand guard toward the bar nose - Check operation of chain brake Before starting work . The only exception to this rule is activated by inertia in certain kickback situations... are sufficiently high. even if your left hand - English / USA Chain Brake The chain brake is not behind the hand guard, e.g. The hand guard is pushed toward the front handle. High revs with chain brake - Accelerate up to be free from dirt and move freely. 32 MS 290, MS 310, MS 390
... maintained and the hand guard has not been modified in an emergency - at idle speed, engage the chain brake (push hand guard toward the bar nose - Check operation of chain brake Before starting work . The only exception to this rule is activated by inertia in certain kickback situations... are sufficiently high. even if your left hand - English / USA Chain Brake The chain brake is not behind the hand guard, e.g. The hand guard is pushed toward the front handle. High revs with chain brake - Accelerate up to be free from dirt and move freely. 32 MS 290, MS 310, MS 390
Product Instruction Manual
Page 58
... 3/8" pitch: Rapid-Micro (33 RM, 35 RM, 36 RM) Rapid-Super C (33 RSC, 35 RSC, 36 RSC) MS 290, MS 310, MS 390 57 Since new bar/chain combinations may be developed after publication of this powerhead are: STIHL yellow-labeled bars: MS 290 For 0.325" (8.25 mm) and 3/8" (9.32 mm) pitch: Rollomatic "S" with sprocket nose 16, 18 or 20...
... 3/8" pitch: Rapid-Micro (33 RM, 35 RM, 36 RM) Rapid-Super C (33 RSC, 35 RSC, 36 RSC) MS 290, MS 310, MS 390 57 Since new bar/chain combinations may be developed after publication of this powerhead are: STIHL yellow-labeled bars: MS 290 For 0.325" (8.25 mm) and 3/8" (9.32 mm) pitch: Rollomatic "S" with sprocket nose 16, 18 or 20...