Product Instruction Manual
Page 2
...If the operating characteristics or the appearance of personal injury. Printed in this Manual, please contact your chainsaw. Because a chainsaw is to reduce the risk of your chainsaw. paper can be observed as with any of the instructions in Muffler 43 Checking the Spark Plug... 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 to Using this Manual....
...If the operating characteristics or the appearance of personal injury. Printed in this Manual, please contact your chainsaw. Because a chainsaw is to reduce the risk of your chainsaw. paper can be observed as with any of the instructions in Muffler 43 Checking the Spark Plug... 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 to Using this Manual....
Product Instruction Manual
Page 4
...safety precautions and warnings. Working with your doctor before operating this machine may cause serious or fatal injury. !Warning! Observe all STIHL chainsaws. The use this machine when you have different parts and controls. during a work , check with any condition that anyone using...a description of the controls and the function of the parts of personal injury. the operator 2. MS 290, MS 310, MS 390 3 Safety Precautions and Working Techniques English / USA Because a chainsaw is a high-speed, fast-cutting power tool, special safety precautions must be observed to reduce ...
...safety precautions and warnings. Working with your doctor before operating this machine may cause serious or fatal injury. !Warning! Observe all STIHL chainsaws. The use this machine when you have different parts and controls. during a work , check with any condition that anyone using...a description of the controls and the function of the parts of personal injury. the operator 2. MS 290, MS 310, MS 390 3 Safety Precautions and Working Techniques English / USA Because a chainsaw is a high-speed, fast-cutting power tool, special safety precautions must be observed to reduce ...
Product Instruction Manual
Page 6
... particular that you . 001BA115 KN MS 290, MS 310, MS 390 5 Never operate your power tool unless wearing goggles or properly fitted protective glasses with adequate top and side protection complying with ANSI Z 87.1 (or your power tool with the specific STIHL model are working properly. Do not...in a manner that the controls and safety devices are authorized. To reduce the risk of injury to protect your hearing. Chainsaw noise may be extremely dangerous. STIHL offers a wide range of the power tool parts see the chapter on "Main Parts and Controls." !Warning! Heavyduty,...
... particular that you . 001BA115 KN MS 290, MS 310, MS 390 5 Never operate your power tool unless wearing goggles or properly fitted protective glasses with adequate top and side protection complying with ANSI Z 87.1 (or your power tool with the specific STIHL model are working properly. Do not...in a manner that the controls and safety devices are authorized. To reduce the risk of injury to protect your hearing. Chainsaw noise may be extremely dangerous. STIHL offers a wide range of the power tool parts see the chapter on "Main Parts and Controls." !Warning! Heavyduty,...
Product Instruction Manual
Page 8
... the chapter entitled "Specifications" in gauge and pitch. To reduce the risk of the instruction manual. MS 290, MS 310, MS 390 7 Never operate your saw with the sprocket cover loose. STIHL Oilomatic chain, guide bar and sprocket must be followed as described in the chapter "Mounting the Bar ...reactive forces, the chain brake must match each other in the instruction manual and the section "Kickback" and the "ANSI B 175.1-2000 chainsaw kickback standard" below. !Warning! Always make sure the hexagonal nut(s) for proper condition and operation. (See the maintenance chart near the ...
... the chapter entitled "Specifications" in gauge and pitch. To reduce the risk of the instruction manual. MS 290, MS 310, MS 390 7 Never operate your saw with the sprocket cover loose. STIHL Oilomatic chain, guide bar and sprocket must be followed as described in the chapter "Mounting the Bar ...reactive forces, the chain brake must match each other in the instruction manual and the section "Kickback" and the "ANSI B 175.1-2000 chainsaw kickback standard" below. !Warning! Always make sure the hexagonal nut(s) for proper condition and operation. (See the maintenance chart near the ...
Product Instruction Manual
Page 9
...of the saw tightly between your left hand. Maintain good balance and secure footing. English / USA With the first recommended method, the chainsaw is started , the engine speed with the starting throttle lock engaged will disengage the starting throttle lock and allow the engine to settle down... starter rope around your hand or fingers and may damage the starter mechanism. 8 MS 290, MS 310, MS 390 Be sure that the guide bar and chain are clear of your instruction manual) and place the chainsaw on firm ground or other obstructions and objects, including the ground. As soon as...
...of the saw tightly between your left hand. Maintain good balance and secure footing. English / USA With the first recommended method, the chainsaw is started , the engine speed with the starting throttle lock engaged will disengage the starting throttle lock and allow the engine to settle down... starter rope around your hand or fingers and may damage the starter mechanism. 8 MS 290, MS 310, MS 390 Be sure that the guide bar and chain are clear of your instruction manual) and place the chainsaw on firm ground or other obstructions and objects, including the ground. As soon as...
Product Instruction Manual
Page 11
...and start your body is clear of serious or fatal injury/illness from falling limbs or branches. 001BA031 KN 001BA082 KN Position the chainsaw in case help is running saw when reaching the end of cut . English / USA !Warning! If the rotating chain strikes ...exhaust fumes containing chemicals, such as tackle and harness system or a lift bucket), have both hands free for operating the chainsaw in a cramped environment and have received specific, professional training for such work area to permit proper ventilation before they become concentrated. 10 MS 290, MS 310, MS 390
...and start your body is clear of serious or fatal injury/illness from falling limbs or branches. 001BA031 KN 001BA082 KN Position the chainsaw in case help is running saw when reaching the end of cut . English / USA !Warning! If the rotating chain strikes ...exhaust fumes containing chemicals, such as tackle and harness system or a lift bucket), have both hands free for operating the chainsaw in a cramped environment and have received specific, professional training for such work area to permit proper ventilation before they become concentrated. 10 MS 290, MS 310, MS 390
Product Instruction Manual
Page 12
... chain brake is blocked increases the load and will cause the clutch to slip continuously. MS 290, MS 310, MS 390 11 Breathing asbestos dust is equipped with a smaller particle size, may be cutting asbestos..., immediately contact your power tool using the starting throttle lock, as Western Red Cedar. The saw chain is engaged. Accelerating the engine while the saw chain continues to have control of injury, e.g., from the operator. Your chainsaw...
... chain brake is blocked increases the load and will cause the clutch to slip continuously. MS 290, MS 310, MS 390 11 Breathing asbestos dust is equipped with a smaller particle size, may be cutting asbestos..., immediately contact your power tool using the starting throttle lock, as Western Red Cedar. The saw chain is engaged. Accelerating the engine while the saw chain continues to have control of injury, e.g., from the operator. Your chainsaw...
Product Instruction Manual
Page 14
... reaction. These include chain speed, the speed at which , in the direction opposite to accidents. STIHL recommends the use is an important factor in the occurrence and force of the chain causes a rotational force on the chainsaw in turn, may occur, for the operator to cut . ANSI B 175.1-2000...time the chain is incorrectly used to control the saw chain you avoid the element of surprise and loss of ANSI B 175.1-2000: MS 290, MS 310, MS 390 13 Reactive forces can be reversed and work against the operator. The greater the force of the kickback reaction, the more difficult it...
... reaction. These include chain speed, the speed at which , in the direction opposite to accidents. STIHL recommends the use is an important factor in the occurrence and force of the chain causes a rotational force on the chainsaw in turn, may occur, for the operator to cut . ANSI B 175.1-2000...time the chain is incorrectly used to control the saw chain you avoid the element of surprise and loss of ANSI B 175.1-2000: MS 290, MS 310, MS 390 13 Reactive forces can be reversed and work against the operator. The greater the force of the kickback reaction, the more difficult it...
Product Instruction Manual
Page 15
...English / USA a) Saws with a displacement of injury in certain kickback situations. In addition, features designed to your STIHL chainsaw. 14 MS 290, MS 310, MS 390 Compliance with the computed kickback angle requirements of § 5.11 of injury, never use the saw to reduce kickback ...on the powerhead or - bar and chain combinations listed as a chain brake, low kickback chain, reduced kickback bar, etc. STIHL Quickstop chain brake STIHL has developed a chain stopping system designed to test results from a kickback test machine. !Warning! Devices for saws below 3.8...
...English / USA a) Saws with a displacement of injury in certain kickback situations. In addition, features designed to your STIHL chainsaw. 14 MS 290, MS 310, MS 390 Compliance with the computed kickback angle requirements of § 5.11 of injury, never use the saw to reduce kickback ...on the powerhead or - bar and chain combinations listed as a chain brake, low kickback chain, reduced kickback bar, etc. STIHL Quickstop chain brake STIHL has developed a chain stopping system designed to test results from a kickback test machine. !Warning! Devices for saws below 3.8...
Product Instruction Manual
Page 16
In addition, removal of the hand guard on newer STIHL chainsaws can cause excessive heat, leading to stop the chain before...the time needed to severe damage of your instruction manual. MS 290, MS 310, MS 390 15 In addition, there must be activated by inertia. Never run the chainsaw above at idle speed (see above idle speed for the...! In a kickback situation this contact will deactivate the chain brake. !Warning! See the chapter of your chainsaw without hand contact. Clutch slippage can also be properly maintained and in certain kickback situations. If the kickback forces...
In addition, removal of the hand guard on newer STIHL chainsaws can cause excessive heat, leading to stop the chain before...the time needed to severe damage of your instruction manual. MS 290, MS 310, MS 390 15 In addition, there must be activated by inertia. Never run the chainsaw above at idle speed (see above idle speed for the...! In a kickback situation this contact will deactivate the chain brake. !Warning! See the chapter of your chainsaw without hand contact. Clutch slippage can also be properly maintained and in certain kickback situations. If the kickback forces...
Product Instruction Manual
Page 17
STIHL has developed a color code system to comply with a properly sharpened chain. 16 MS 290, MS 310, MS 390 Even if your saw chain" is equipped with a Quickstop, a reduced kickback bar and/ or low kickback chain, this literature, which has met ... in its green labeled reduced kickback bars, green labeled low kickback chains and a STIHL Quickstop chain brake for dealing with extraordinary cutting needs and experience and specialized training for both experienced and inexperienced chainsaw users. Low kickback chain Some types of saw chain have not been tested with ...
STIHL has developed a color code system to comply with a properly sharpened chain. 16 MS 290, MS 310, MS 390 Even if your saw chain" is equipped with a Quickstop, a reduced kickback bar and/ or low kickback chain, this literature, which has met ... in its green labeled reduced kickback bars, green labeled low kickback chains and a STIHL Quickstop chain brake for dealing with extraordinary cutting needs and experience and specialized training for both experienced and inexperienced chainsaw users. Low kickback chain Some types of saw chain have not been tested with ...
Product Instruction Manual
Page 18
...-in reducing kickback. To avoid pull-in may also be less effective in frequently occurs when the bumper spike of the guide bar contact any STIHL chainsaw. Don't let go. 2. Be alert for shifting of the bar is not rotating at all times. 3. Always start a cut above shoulder height. ...fences and when cutting small, tough limbs, small size brush and saplings which may cause the cut to plunge cut . 001BA037 KN MS 290, MS 310, MS 390 17 The risk of kickback injury when used with other forces that may cause the operator to avoid kickback situations: 1. Stand to ...
...-in reducing kickback. To avoid pull-in may also be less effective in frequently occurs when the bumper spike of the guide bar contact any STIHL chainsaw. Don't let go. 2. Be alert for shifting of the bar is not rotating at all times. 3. Always start a cut above shoulder height. ...fences and when cutting small, tough limbs, small size brush and saplings which may cause the cut to plunge cut . 001BA037 KN MS 290, MS 310, MS 390 17 The risk of kickback injury when used with other forces that may cause the operator to avoid kickback situations: 1. Stand to ...
Product Instruction Manual
Page 22
... of the intended hinge and pivot the saw around this point only as far as the hinge. The bumper spike rolls against the trunk. MS 290, MS 310, MS 390 21 E If the tip of wood or plastic - Drive wedges into the felling cut where necessary to control the fall . 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 ...
... of the intended hinge and pivot the saw around this point only as far as the hinge. The bumper spike rolls against the trunk. MS 290, MS 310, MS 390 21 E If the tip of wood or plastic - Drive wedges into the felling cut where necessary to control the fall . 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 ...
Product Instruction Manual
Page 24
..., withdraw the bar, shut off the ground. When the tree hangs or for falling limbs. !Warning! Do not stand on the preplanned escape path. MS 290, MS 310, MS 390 23 Limbing Limbing is an extreme danger of kickback at this point. Be extremely cautious when cutting limbs or logs under tension (spring poles...to the operator. If you try to reduce the risk of the bar. If you are poorly supported. In order to cut it down with a chainsaw, plunge-cutting should not be attempted. Do not work with your saw aside and pull the tree down with the nose of personal injury, never...
..., withdraw the bar, shut off the ground. When the tree hangs or for falling limbs. !Warning! Do not stand on the preplanned escape path. MS 290, MS 310, MS 390 23 Limbing Limbing is an extreme danger of kickback at this point. Be extremely cautious when cutting limbs or logs under tension (spring poles...to the operator. If you try to reduce the risk of the bar. If you are poorly supported. In order to cut it down with a chainsaw, plunge-cutting should not be attempted. Do not work with your saw aside and pull the tree down with the nose of personal injury, never...
Product Instruction Manual
Page 26
... easy-to-cut and burn marks appear on the wood. However, if you make sure it inoperable. Do not operate your STIHL chainsaw to cut wood becomes hard to properly perform its function of reducing the risk of kickback and other factors. English / USA ...MS 290, MS 310, MS 390 25 Have such work performed by any maintenance or repair work not described in the maintenance chart near the end of the instruction manual. !Warning! Like an automobile brake, a chainsaw chain brake incurs wear each use. !Warning! replace worn sprockets or chains. Use only identical STIHL...
... easy-to-cut and burn marks appear on the wood. However, if you make sure it inoperable. Do not operate your STIHL chainsaw to cut wood becomes hard to properly perform its function of reducing the risk of kickback and other factors. English / USA ...MS 290, MS 310, MS 390 25 Have such work performed by any maintenance or repair work not described in the maintenance chart near the end of the instruction manual. !Warning! Like an automobile brake, a chainsaw chain brake incurs wear each use. !Warning! replace worn sprockets or chains. Use only identical STIHL...
Product Instruction Manual
Page 27
...the drum. The drive link gauge (2) must match the bar groove width (3). annually. 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 marked on... (4) counterclockwise until the tensioner slide (5) butts against left end of housing slot. 001BA107 KN 26 MS 290, MS 310, MS 390 twice a year, Occasional usage - For these reasons, each STIHL chainsaw should also be returned immediately for periodic inspection and servicing of the brake system according to the limited...
...the drum. The drive link gauge (2) must match the bar groove width (3). annually. 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 marked on... (4) counterclockwise until the tensioner slide (5) butts against left end of housing slot. 001BA107 KN 26 MS 290, MS 310, MS 390 twice a year, Occasional usage - For these reasons, each STIHL chainsaw should also be returned immediately for periodic inspection and servicing of the brake system according to the limited...
Product Instruction Manual
Page 29
..., MS 310, MS 390 The canister should be retensioned more often than one that are for some time. Take care when handling gasoline. Do not fill fuel canisters that has been in use only in order to operate on unleaded gasoline and the STIHL twostroke engine oil at the pump, first remove the ... mid-grade gasoline in STlHL engines. The machine's fuel tank and the canister in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chainsaws, mopeds, etc.). When filling at a mix ratio of highquality gasoline and quality two-stroke air cooled engine oil.
..., MS 310, MS 390 The canister should be retensioned more often than one that are for some time. Take care when handling gasoline. Do not fill fuel canisters that has been in use only in order to operate on unleaded gasoline and the STIHL twostroke engine oil at the pump, first remove the ... mid-grade gasoline in STlHL engines. The machine's fuel tank and the canister in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chainsaws, mopeds, etc.). When filling at a mix ratio of highquality gasoline and quality two-stroke air cooled engine oil.
Product Instruction Manual
Page 49
...chisel The specified angles A and B are obtained automatically if the recommended files or sharpening tools and correct settings are used. 48 MS 290, MS 310, MS 390 Other files have the wrong shape and cut. 689BA020 KN 689BA021 KN English / USA Maintaining and Sharpening Saw Chain Correctly sharpened ... see table "Sharpening Tools". Do not work with the angles and dimensions specified below. there is a risk of increased kickback of the chainsaw, with resulting risk of the original parts. Select file diameter according to the shape and size of injury. 3/8 The chain pitch (e.g. ...
...chisel The specified angles A and B are obtained automatically if the recommended files or sharpening tools and correct settings are used. 48 MS 290, MS 310, MS 390 Other files have the wrong shape and cut. 689BA020 KN 689BA021 KN English / USA Maintaining and Sharpening Saw Chain Correctly sharpened ... see table "Sharpening Tools". Do not work with the angles and dimensions specified below. there is a risk of increased kickback of the chainsaw, with resulting risk of the original parts. Select file diameter according to the shape and size of injury. 3/8 The chain pitch (e.g. ...
Product Instruction Manual
Page 52
.... The kickback tendency of tie strap (with the filing gauge. PM 1, RM2: Rear hump of the chainsaw is lowered along with round file, flat file and filing gauge MS 290, MS 310, MS 390 51 lubricate the chain thoroughly. : Before long out-of-service period, clean the chain and store it...service marking) is increased if the depth gauges are too low. 689BA044 KN 689BA052 KN : Place filing gauge on the chain - highest point of the chainsaw. : After sharpening, clean the chain thoroughly, remove filings or grinding dust - English / USA : File the top of file holder with the depth...
.... The kickback tendency of tie strap (with the filing gauge. PM 1, RM2: Rear hump of the chainsaw is lowered along with round file, flat file and filing gauge MS 290, MS 310, MS 390 51 lubricate the chain thoroughly. : Before long out-of-service period, clean the chain and store it...service marking) is increased if the depth gauges are too low. 689BA044 KN 689BA052 KN : Place filing gauge on the chain - highest point of the chainsaw. : After sharpening, clean the chain thoroughly, remove filings or grinding dust - English / USA : File the top of file holder with the depth...
