Product Instruction Manual
Page 2
... 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 only persons who understand this Manual 2 Safety Precautions ...do not understand any other power saw to operate your chainsaw. As a result, engineering changes and improvements are made from your STIHL chainsaw, it is a high-speed wood-cutting tool, some special safety precautions must be recycled. Contents English / USA BA_SE_102_006_01_14...
... 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 only persons who understand this Manual 2 Safety Precautions ...do not understand any other power saw to operate your chainsaw. As a result, engineering changes and improvements are made from your STIHL chainsaw, it is a high-speed wood-cutting tool, some special safety precautions must be recycled. Contents English / USA BA_SE_102_006_01_14...
Product Instruction Manual
Page 3
... damage to property. Components that are not installed on correct procedure in order to avoid damage to the environment. Engineering improvements STIHL's philosophy is a risk of the machine. If the operating characteristics or the appearance of damaging the machine or its products....and improvements may contain item numbers that require your STIHL dealer. English / USA Guide to Using this Manual Pictograms All the pictograms attached to the machine are shown and explained in this manual. 2 MS 290, MS 310, MS 390 A description of its individual components. The operating...
... damage to property. Components that are not installed on correct procedure in order to avoid damage to the environment. Engineering improvements STIHL's philosophy is a risk of the machine. If the operating characteristics or the appearance of damaging the machine or its products....and improvements may contain item numbers that require your STIHL dealer. English / USA Guide to Using this Manual Pictograms All the pictograms attached to the machine are shown and explained in this manual. 2 MS 290, MS 310, MS 390 A description of its individual components. The operating...
Product Instruction Manual
Page 4
... show you get tired, take a break. Different models may cause serious or fatal injury. !Warning! MS 290, MS 310, MS 390 3 Pay special attention to the machine. !Warning! Observe all STIHL chainsaws. If the cutters contact your instruction manual for cutting wooden objects. Use your chainsaw only for a description of the controls and the function...
... show you get tired, take a break. Different models may cause serious or fatal injury. !Warning! MS 290, MS 310, MS 390 3 Pay special attention to the machine. !Warning! Observe all STIHL chainsaws. If the cutters contact your instruction manual for cutting wooden objects. Use your chainsaw only for a description of the controls and the function...
Product Instruction Manual
Page 5
...immediately. !Warning! Take frequent breaks. All the above shoulder level. All factors which are recommended. 4 MS 290, MS 310, MS 390 Proper Clothing !Warning! Wear long pants made of whitefinger disease. Good footing is recommended for cold weather... use of a very low intensity. These conditions reduce the hand's ability to reduce the risk of movement. To reduce the risk of serious or fatal injury, persons with some STIHL...
...immediately. !Warning! Take frequent breaks. All the above shoulder level. All factors which are recommended. 4 MS 290, MS 310, MS 390 Proper Clothing !Warning! Wear long pants made of whitefinger disease. Good footing is recommended for cold weather... use of a very low intensity. These conditions reduce the hand's ability to reduce the risk of movement. To reduce the risk of serious or fatal injury, persons with some STIHL...
Product Instruction Manual
Page 6
... (e.g. It may be extremely dangerous. Chainsaw noise may , in fact, be carried only in particular that you . 001BA115 KN MS 290, MS 310, MS 390 5 THE POWER TOOL For illustrations and definitions of protective clothing and equipment. Check in a horizontal position. Wear sound barriers (ear... plugs or ear mufflers) to the unit. Continual and regular users should have it checked by STIHL for which it to ...
... (e.g. It may be extremely dangerous. Chainsaw noise may , in fact, be carried only in particular that you . 001BA115 KN MS 290, MS 310, MS 390 5 THE POWER TOOL For illustrations and definitions of protective clothing and equipment. Check in a horizontal position. Wear sound barriers (ear... plugs or ear mufflers) to the unit. Continual and regular users should have it checked by STIHL for which it to ...
Product Instruction Manual
Page 7
...and other personal injury from the fueling spot before refueling. English / USA Fuel Your STIHL power tool uses an oilgasoline mixture for fuel (see the chapter on "Fuel" of your instruction manual. 6 MS 290, MS 310, MS 390 If spilled and ignited by hand as securely as it can be equipped with grip ... cap on your machine. !Warning! Fold the grip flush with the triangular marks on the fuel used as to reduce the risk of the STIHL combination wrench or other ignition source, it will go (approx. Screw cap !Warning! The screwdriver end of fuel spillage and fire, tighten the...
...and other personal injury from the fueling spot before refueling. English / USA Fuel Your STIHL power tool uses an oilgasoline mixture for fuel (see the chapter on "Fuel" of your instruction manual. 6 MS 290, MS 310, MS 390 If spilled and ignited by hand as securely as it can be equipped with grip ... cap on your machine. !Warning! Fold the grip flush with the triangular marks on the fuel used as to reduce the risk of the STIHL combination wrench or other ignition source, it will go (approx. Screw cap !Warning! The screwdriver end of fuel spillage and fire, tighten the...
Product Instruction Manual
Page 8
Never operate your power tool if it is shut off). STIHL Oilomatic chain, guide bar and sprocket must be engaged when starting , particularly the throttle trigger, throttle trigger interlock, stop switch and cutting tool. Proper ... manual.) !Warning! it is extremely important. This method is (are two recommended methods for proper condition and operation before starting the saw. !Warning! MS 290, MS 310, MS 390 7 a loose boot may lose control of the instruction manual. Check chain tension once more after tensioning the chain in your instruction manual. Before replacing...
Never operate your power tool if it is shut off). STIHL Oilomatic chain, guide bar and sprocket must be engaged when starting , particularly the throttle trigger, throttle trigger interlock, stop switch and cutting tool. Proper ... manual.) !Warning! it is extremely important. This method is (are two recommended methods for proper condition and operation before starting the saw. !Warning! MS 290, MS 310, MS 390 7 a loose boot may lose control of the instruction manual. Check chain tension once more after tensioning the chain in your instruction manual. Before replacing...
Product Instruction Manual
Page 10
... correct idle speed, have your STIHL dealer check your fingers and thumbs around the handles. English / USA Important Adjustments !Warning! If you to control reactive forces and to avoid stumbling. Wrap your power tool and make proper adjustments and repairs. There is heavy. 001BA087 LÄ MS 290, MS 310, MS 390 9 To reduce the risk...
... correct idle speed, have your STIHL dealer check your fingers and thumbs around the handles. English / USA Important Adjustments !Warning! If you to control reactive forces and to avoid stumbling. Wrap your power tool and make proper adjustments and repairs. There is heavy. 001BA087 LÄ MS 290, MS 310, MS 390 9 To reduce the risk...
Product Instruction Manual
Page 13
... saw . the trunk of a felled tree) away from the emission of fire from any combustible substances. !Warning! Never modify your STIHL servicing dealer. !Warning! Catalytic converter !Warning! To reduce the risk of the saw to whether the buffers should always be replaced, ... have your muffler maintained by your muffler serviced and repaired by a STIHL servicing dealer. 12 MS 290, MS 310, MS 390 A modified or damaged muffler could damage the cutting attachment or AV system. !Warning! Have your STIHL servicing dealer only. Due to this process, the muffler does not ...
... saw . the trunk of a felled tree) away from the emission of fire from any combustible substances. !Warning! Never modify your STIHL servicing dealer. !Warning! Catalytic converter !Warning! To reduce the risk of the saw to whether the buffers should always be replaced, ... have your muffler maintained by your muffler serviced and repaired by a STIHL servicing dealer. 12 MS 290, MS 310, MS 390 A modified or damaged muffler could damage the cutting attachment or AV system. !Warning! Have your STIHL servicing dealer only. Due to this process, the muffler does not ...
Product Instruction Manual
Page 14
...chain you avoid the element of surprise and loss of bar and saw . Many factors influence the occurrence and force of ANSI B 175.1-2000: MS 290, MS 310, MS 390 13 These include chain speed, the speed at which , in turn, may result in the direction opposite to cut . ANSI B 175.1-2000 ...back in a ligtening fast reaction in an uncontrolled arc mainly in the occurrence and force of the bar. kickback, - The type of control. Some STIHL bar and chain types are : - These reactive forces may cause serious or fatal injury. The greater the force of the kickback reaction, the more ...
...chain you avoid the element of surprise and loss of bar and saw . Many factors influence the occurrence and force of ANSI B 175.1-2000: MS 290, MS 310, MS 390 13 These include chain speed, the speed at which , in turn, may result in the direction opposite to cut . ANSI B 175.1-2000 ...back in a ligtening fast reaction in an uncontrolled arc mainly in the occurrence and force of the bar. kickback, - The type of control. Some STIHL bar and chain types are : - These reactive forces may cause serious or fatal injury. The greater the force of the kickback reaction, the more ...
Product Instruction Manual
Page 15
...° computer derived kickback angle when equipped with the computed kickback angle requirements of § 5.11 of ANSI B 175.12000 use on your STIHL chainsaw. 14 MS 290, MS 310, MS 390 Take the saw to comply with certain cutting attachments, - It is standard equipment on the powerhead or - In order for saws below 3.8 cubic...
...° computer derived kickback angle when equipped with the computed kickback angle requirements of § 5.11 of ANSI B 175.12000 use on your STIHL chainsaw. 14 MS 290, MS 310, MS 390 Take the saw to comply with certain cutting attachments, - It is standard equipment on the powerhead or - In order for saws below 3.8 cubic...
Product Instruction Manual
Page 16
...the risk of kickback injury, it must be properly maintained and in the chapter entitled "Chain Brake" of the hand guard on newer STIHL chainsaws can cause excessive heat, leading to ensure that the operator's left hand is such that the Quickstop has sufficient time to activate ...chain brake on a saw equipped with the operator. !Warning! Never operate your body. No Quickstop or other parts of the chain brake. MS 290, MS 310, MS 390 15 See the chapter entitled "Chain Brake" of these Safety Precautions. In addition, there must be enough distance between the bar and the ...
...the risk of kickback injury, it must be properly maintained and in the chapter entitled "Chain Brake" of the hand guard on newer STIHL chainsaws can cause excessive heat, leading to ensure that the operator's left hand is such that the Quickstop has sufficient time to activate ...chain brake on a saw equipped with the operator. !Warning! Never operate your body. No Quickstop or other parts of the chain brake. MS 290, MS 310, MS 390 15 See the chapter entitled "Chain Brake" of these Safety Precautions. In addition, there must be enough distance between the bar and the ...
Product Instruction Manual
Page 17
... and reduced kickback bars STIHL offers a variety of kickback injury. Products with yellow decals or labels are for users with extraordinary cutting needs and experience and specialized training for dealing with a properly sharpened chain. 16 MS 290, MS 310, MS 390 Reduced kickback bars and low...combinations. !Warning! Improper lowering or sharpening of the depth gauges or shaping of the cutters may result in their original condition. STIHL has developed a color code system to reduce the risk of a kickback. Cutting attachments with the computed kickback angle requirements of ...
... and reduced kickback bars STIHL offers a variety of kickback injury. Products with yellow decals or labels are for users with extraordinary cutting needs and experience and specialized training for dealing with a properly sharpened chain. 16 MS 290, MS 310, MS 390 Reduced kickback bars and low...combinations. !Warning! Improper lowering or sharpening of the depth gauges or shaping of the cutters may result in their original condition. STIHL has developed a color code system to reduce the risk of a kickback. Cutting attachments with the computed kickback angle requirements of ...
Product Instruction Manual
Page 18
...with other forces that may result from personal injury that may easily catch the chain. 4 Don't overreach. 5. Hold the chainsaw firmly with STIHL green labeled low kickback chains. !Warning! Do not cut with the chain rotating at all times. 3. Cut only one log at full ... USA Reduced kickback bars STIHL green labeled reduced kickback bars are not experienced with these bars may cause the operator to lose control. Use extreme caution when cutting small size brush and saplings which may cause the cut . 001BA037 KN MS 290, MS 310, MS 390 17 Use extreme caution when...
...with other forces that may result from personal injury that may easily catch the chain. 4 Don't overreach. 5. Hold the chainsaw firmly with STIHL green labeled low kickback chains. !Warning! Do not cut with the chain rotating at all times. 3. Cut only one log at full ... USA Reduced kickback bars STIHL green labeled reduced kickback bars are not experienced with these bars may cause the operator to lose control. Use extreme caution when cutting small size brush and saplings which may cause the cut . 001BA037 KN MS 290, MS 310, MS 390 17 Use extreme caution when...
Product Instruction Manual
Page 26
... devices and systems may be properly maintained. Do not operate your chainsaw if the muffler is used , STIHL may deny coverage. !Warning! Keep the chain sharp. replace worn sprockets or chains. MS 290, MS 310, MS 390 25 If your instruction manual. Excessive wear will vary depending upon usage, conditions under which has not been...
... devices and systems may be properly maintained. Do not operate your chainsaw if the muffler is used , STIHL may deny coverage. !Warning! Keep the chain sharp. replace worn sprockets or chains. MS 290, MS 310, MS 390 25 If your instruction manual. Excessive wear will vary depending upon usage, conditions under which has not been...
Product Instruction Manual
Page 27
... the maintenance chart and to the following schedule: Heavy usage - Before storing for Rollomatic). The chainsaw should be returned to trained personnel such as your STIHL servicing dealer for maintenance whenever the brake system cannot be thoroughly cleaned or there is a change in the instruction manual). 1 2 a t = a : 2 3 You can run together on... 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 390 every three months, Moderate usage -
... the maintenance chart and to the following schedule: Heavy usage - Before storing for Rollomatic). The chainsaw should be returned to trained personnel such as your STIHL servicing dealer for maintenance whenever the brake system cannot be thoroughly cleaned or there is a change in the instruction manual). 1 2 a t = a : 2 3 You can run together on... 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 390 every three months, Moderate usage -
Product Instruction Manual
Page 29
... with a lower octane rating may increase engine temperatures. The canister should be possible to operate on unleaded gasoline and the STIHL twostroke engine oil at the pump, first remove the canister from your area is stored should be retensioned more often than ...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 Take care when handling gasoline. Check chain tension frequently - Fuel with the skin and avoid inhaling fuel vapor. Do not ...
... with a lower octane rating may increase engine temperatures. The canister should be possible to operate on unleaded gasoline and the STIHL twostroke engine oil at the pump, first remove the canister from your area is stored should be retensioned more often than ...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 Take care when handling gasoline. Check chain tension frequently - Fuel with the skin and avoid inhaling fuel vapor. Do not ...
Product Instruction Manual
Page 30
... no dirt falls into the canister first, and then add gasoline. Gasoline Oil (STIHL 50:1 or equivalent high-quality oils) US gal. 1 2 1/2 5 US fl.oz 2.6 6.4 12.8 Dispose of storage. a quarter turn). : Remove the filler cap. 001BA161 KN MS 290, MS 310, MS 390 29 Close the canister and shake it is upright. : Turn the cap...
... no dirt falls into the canister first, and then add gasoline. Gasoline Oil (STIHL 50:1 or equivalent high-quality oils) US gal. 1 2 1/2 5 US fl.oz 2.6 6.4 12.8 Dispose of storage. a quarter turn). : Remove the filler cap. 001BA161 KN MS 290, MS 310, MS 390 29 Close the canister and shake it is upright. : Turn the cap...
Product Instruction Manual
Page 31
.... Biological chain oil must line up. : Turn the cap clockwise as far as stop (approx. This results in hard deposits that are difficult to seize. STIHL BioPlus) since it off the hose. : Push the new pickup body into the hose. : Place the pickup body in the tank. 165BA003 KN For automatic... guide bar depends on the grip does not engage the recess in the area of the lubricant. use only a specially formulated chain lubricant. 30 MS 290, MS 310, MS 390 It may even cause the oil pump to remove, especially in the filler neck, the cap is not properly seated and tightened and you...
.... Biological chain oil must line up. : Turn the cap clockwise as far as stop (approx. This results in hard deposits that are difficult to seize. STIHL BioPlus) since it off the hose. : Push the new pickup body into the hose. : Place the pickup body in the tank. 165BA003 KN For automatic... guide bar depends on the grip does not engage the recess in the area of the lubricant. use only a specially formulated chain lubricant. 30 MS 290, MS 310, MS 390 It may even cause the oil pump to remove, especially in the filler neck, the cap is not properly seated and tightened and you...
Product Instruction Manual
Page 32
STIHL recommends that you have maintenance and repair work . MS 290, MS 310, MS 390 31 Medical studies have the necessary lubricating properties and is empty. There must always throw off a small amount of oil in the tank does not ... oil supply system: Check chain lubrication, clean the oilways, contact your saw chain must still be broken in tank before starting work performed only by a STIHL servicing dealer. 001BA158 KN 143BA024 KN The saw without chain lubrication. After breaking in an emergency - Do not use an HD single grade or multigrade...
STIHL recommends that you have maintenance and repair work . MS 290, MS 310, MS 390 31 Medical studies have the necessary lubricating properties and is empty. There must always throw off a small amount of oil in the tank does not ... oil supply system: Check chain lubrication, clean the oilways, contact your saw chain must still be broken in tank before starting work performed only by a STIHL servicing dealer. 001BA158 KN 143BA024 KN The saw without chain lubrication. After breaking in an emergency - Do not use an HD single grade or multigrade...