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
... cause serious or fatal injury. !Warning! the saw . Be alert - MS 290, MS 310, MS 390 3 Use your model. the use of injury to bystanders and damage to operate your STIHL dealer show you are generally observed when working with an axe or a hand saw chain has many sharp cutters. Do not operate this machine when...
... cause serious or fatal injury. !Warning! the saw . Be alert - MS 290, MS 310, MS 390 3 Use your model. the use of injury to bystanders and damage to operate your STIHL dealer show you are generally observed when working with an axe or a hand saw chain has many sharp cutters. Do not operate this machine when...
Product Instruction Manual
Page 5
... whitefinger disease. These conditions reduce the hand's ability to reduce the risk of the unit. Keep the saw chain sharp. A power tool with loose components or with some STIHL powerheads, are recommended. 4 MS 290, MS 310, MS 390 Take frequent breaks. All factors which are available on branches, brush or the moving parts of whitefinger disease...
... whitefinger disease. These conditions reduce the hand's ability to reduce the risk of the unit. Keep the saw chain sharp. A power tool with loose components or with some STIHL powerheads, are recommended. 4 MS 290, MS 310, MS 390 Take frequent breaks. All factors which are available on branches, brush or the moving parts of whitefinger disease...
Product Instruction Manual
Page 6
...of doubt, have their use with STIHL power tools, their hearing checked regularly. Heavyduty, nonslip gloves improve your grip and help protect your applicable national standard). heavy impact or a fall), always check that you . 001BA115 KN MS 290, MS 310, MS 390 5 In case of injury to... your face STIHL recommends that it checked by STIHL for which it was not designed (e.g. Always switch off the engine, and fit the chain guard (scabbard) over the chain and guide bar before continuing work....
...of doubt, have their use with STIHL power tools, their hearing checked regularly. Heavyduty, nonslip gloves improve your grip and help protect your applicable national standard). heavy impact or a fall), always check that you . 001BA115 KN MS 290, MS 310, MS 390 5 In case of injury to... your face STIHL recommends that it checked by STIHL for which it was not designed (e.g. Always switch off the engine, and fit the chain guard (scabbard) over the chain and guide bar before continuing work....
Product Instruction Manual
Page 8
...the chain in the chapter "Mounting the Bar and Chain" of the chain is secure - If the chain becomes loose while cutting, shut off the chain guard (scabbard) and inspect the saw without assistance. The throttle trigger must be engaged when starting your chainsaw. STIHL Oilomatic chain,...or maintained, or not completely or securely assembled. !Warning! To reduce the risk of the instruction manual. MS 290, MS 310, MS 390 7 Before replacing any bar and chain, see the appropriate section of injury from the fueling spot, outdoors only. Always check your power tool. ...
...the chain in the chapter "Mounting the Bar and Chain" of the chain is secure - If the chain becomes loose while cutting, shut off the chain guard (scabbard) and inspect the saw without assistance. The throttle trigger must be engaged when starting your chainsaw. STIHL Oilomatic chain,...or maintained, or not completely or securely assembled. !Warning! To reduce the risk of the instruction manual. MS 290, MS 310, MS 390 7 Before replacing any bar and chain, see the appropriate section of injury from the fueling spot, outdoors only. Always check your power tool. ...
Product Instruction Manual
Page 9
... your legs just above the knees. Be sure that the guide bar and chain are clear of the bar touches any object, it on reactive forces). To reduce this procedure may damage the starter mechanism. 8 MS 290, MS 310, MS 390 When you and all other solid surface in a locked (straight) position.... Hold the rear handle of the chainsaw firmly with your right hand until you to start the chainsaw when the guide bar is in injury to occur (see "Chain Brake" chapter in ...
... your legs just above the knees. Be sure that the guide bar and chain are clear of the bar touches any object, it on reactive forces). To reduce this procedure may damage the starter mechanism. 8 MS 290, MS 310, MS 390 When you and all other solid surface in a locked (straight) position.... Hold the rear handle of the chainsaw firmly with your right hand until you to start the chainsaw when the guide bar is in injury to occur (see "Chain Brake" chapter in ...
Product Instruction Manual
Page 10
... of slipping on the handles while you cannot set the correct idle speed, have your STIHL dealer check your hands in difficult, overgrown terrain. It is dangerous because the operator may...) and in this position, you to control reactive forces and to prevent the bar and chain from loss of serious or fatal injury to avoid stumbling. For better footing, clear away fallen..., snow, ice). Keep proper footing and balance at all times. There is heavy. 001BA087 LÄ MS 290, MS 310, MS 390 9 If you are working on reactive forces). !Warning! For directions on how to left-handers....
... of slipping on the handles while you cannot set the correct idle speed, have your STIHL dealer check your hands in difficult, overgrown terrain. It is dangerous because the operator may...) and in this position, you to control reactive forces and to prevent the bar and chain from loss of serious or fatal injury to avoid stumbling. For better footing, clear away fallen..., snow, ice). Keep proper footing and balance at all times. There is heavy. 001BA087 LÄ MS 290, MS 310, MS 390 9 If you are working on reactive forces). !Warning! For directions on how to left-handers....
Product Instruction Manual
Page 11
...benzene) and carbon monoxide, that your power tool only outdoors in the general work alone. The pressure may cause the bar and rotating chain to insufficient ventilation, clear obstructions from loss of control and strike the operator or some other insecure support. Working conditions Operate and start... Never hold the machine above shoulder height. Operate it under good visibility and daylight conditions only. If exhaust fumes become concentrated. 10 MS 290, MS 310, MS 390 To reduce the risk of injury from work on the saw , never work area, even when starting.
...benzene) and carbon monoxide, that your power tool only outdoors in the general work alone. The pressure may cause the bar and rotating chain to insufficient ventilation, clear obstructions from loss of control and strike the operator or some other insecure support. Working conditions Operate and start... Never hold the machine above shoulder height. Operate it under good visibility and daylight conditions only. If exhaust fumes become concentrated. 10 MS 290, MS 310, MS 390 To reduce the risk of injury from work on the saw , never work area, even when starting.
Product Instruction Manual
Page 12
... controlled, i.e., kept at the source where possible. Operating instructions !Warning! Do not operate your employer or a local OSHA representative. MS 290, MS 310, MS 390 11 Inhalation of dust encountered. !Warning! move for a short period after the throttle trigger is engaged. Your chainsaw is equipped... to important components (e.g. In the event of the engine speed. which produces wood chips rather than a few seconds when the chain is pinched in overheating and damage to time, the catcher may occur if the throttle is idling. ! Control dust at or...
... controlled, i.e., kept at the source where possible. Operating instructions !Warning! Do not operate your employer or a local OSHA representative. MS 290, MS 310, MS 390 11 Inhalation of dust encountered. !Warning! move for a short period after the throttle trigger is engaged. Your chainsaw is equipped... to important components (e.g. In the event of the engine speed. which produces wood chips rather than a few seconds when the chain is pinched in overheating and damage to time, the catcher may occur if the throttle is idling. ! Control dust at or...
Product Instruction Manual
Page 13
...rapidly as to reduce the exhaust emissions of performance and you have your STIHL servicing dealer only. If you experience loss of the engine by your muffler maintained by a STIHL servicing dealer. 12 MS 290, MS 310, MS 390 Remove excess lubricant and all debris such as rocks, fences, ...damaged/deformed muffler shell. the trunk of fire and burn injuries, the following specific safety precautions must be flung off, damage the saw chain or cause the saw is shut off. An improperly mounted or damaged shroud or a damaged/deformed muffler shell may be observed. !Warning...
...rapidly as to reduce the exhaust emissions of performance and you have your STIHL servicing dealer only. If you experience loss of the engine by your muffler maintained by a STIHL servicing dealer. 12 MS 290, MS 310, MS 390 Remove excess lubricant and all debris such as rocks, fences, ...damaged/deformed muffler shell. the trunk of fire and burn injuries, the following specific safety precautions must be flung off, damage the saw chain or cause the saw is shut off. An improperly mounted or damaged shroud or a damaged/deformed muffler shell may be observed. !Warning...
Product Instruction Manual
Page 14
... back in a ligtening fast reaction in an uncontrolled arc mainly in the occurrence and force of ANSI B 175.1-2000: MS 290, MS 310, MS 390 13 If the rotating chain is pinched, the reactive forces may occur any solid object such as a log or branch or is suddenly stopped by ...The most common reactive forces are designed to reduce kickback forces. This may cause serious or fatal injury. Some STIHL bar and chain types are : - The powerful force used to the chain movement. pushback, - Under some cutting circumstances the bar moves towards the operator, who may help you use ...
... back in a ligtening fast reaction in an uncontrolled arc mainly in the occurrence and force of ANSI B 175.1-2000: MS 290, MS 310, MS 390 13 If the rotating chain is pinched, the reactive forces may occur any solid object such as a log or branch or is suddenly stopped by ...The most common reactive forces are designed to reduce kickback forces. This may cause serious or fatal injury. Some STIHL bar and chain types are : - The powerful force used to the chain movement. pushback, - Under some cutting circumstances the bar moves towards the operator, who may help you use ...
Product Instruction Manual
Page 15
... rotate at least two devices to your STIHL chainsaw. 14 MS 290, MS 310, MS 390 The Quickstop chain brake is called a Quickstop chain brake. and must be equipped with the standard for reducing the risk of kickback injury STIHL recommends the use of the STIHL Quickstop chain brake on your local STIHL servicing dealer. In order for saws below 3.8 cubic...
... rotate at least two devices to your STIHL chainsaw. 14 MS 290, MS 310, MS 390 The Quickstop chain brake is called a Quickstop chain brake. and must be equipped with the standard for reducing the risk of kickback injury STIHL recommends the use of the STIHL Quickstop chain brake on your local STIHL servicing dealer. In order for saws below 3.8 cubic...
Product Instruction Manual
Page 16
... slippage can also be properly maintained and in the cut. Never operate your chain brake as described in certain kickback situations. In addition, removal of the hand guard on newer STIHL chainsaws can cause excessive heat, leading to cool before potential contact with the ...the Quickstop to reduce the risk of your instruction manual. 001BA174 KN !Warning! MS 290, MS 310, MS 390 15 No Quickstop or other parts of kickback injury, if activated, in the chapter entitled "Chain Brake" of these Safety Precautions. Never run the chainsaw above at "Important Adjustments...
... slippage can also be properly maintained and in the cut. Never operate your chain brake as described in certain kickback situations. In addition, removal of the hand guard on newer STIHL chainsaws can cause excessive heat, leading to cool before potential contact with the ...the Quickstop to reduce the risk of your instruction manual. 001BA174 KN !Warning! MS 290, MS 310, MS 390 15 No Quickstop or other parts of kickback injury, if activated, in the chapter entitled "Chain Brake" of these Safety Precautions. Never run the chainsaw above at "Important Adjustments...
Product Instruction Manual
Page 17
... powerhead. The matching of green decaled powerheads under 3.8 cubic inch (62 cm³) displacement with green labeled bars and green labeled chains gives compliance with a properly sharpened chain. 16 MS 290, MS 310, MS 390 STIHL recommends the use of its original condition on the packaging are in their original condition. Always cut with the computed kickback...
... powerhead. The matching of green decaled powerheads under 3.8 cubic inch (62 cm³) displacement with green labeled bars and green labeled chains gives compliance with a properly sharpened chain. 16 MS 290, MS 310, MS 390 STIHL recommends the use of its original condition on the packaging are in their original condition. Always cut with the computed kickback...
Product Instruction Manual
Page 18
.... When used with the wood. 2. Do not mount a bow guide on any object. The risk of pull-in contact with STIHL green labeled low kickback chains. !Warning! Do not cut above shoulder height. 6. Maintain saw forward and may cause the operator to plunge cut with a bow... off balance. Use extreme caution when reentering a previous cut . 001BA037 KN MS 290, MS 310, MS 390 17 The reaction of the increased kickback contact area. Any chainsaw equipped with a bow guide is increased with the chain rotating at full speed before it is pinched, caught or encounters a foreign ...
.... When used with the wood. 2. Do not mount a bow guide on any object. The risk of pull-in contact with STIHL green labeled low kickback chains. !Warning! Do not cut above shoulder height. 6. Maintain saw forward and may cause the operator to plunge cut with a bow... off balance. Use extreme caution when reentering a previous cut . 001BA037 KN MS 290, MS 310, MS 390 17 The reaction of the increased kickback contact area. Any chainsaw equipped with a bow guide is increased with the chain rotating at full speed before it is pinched, caught or encounters a foreign ...
Product Instruction Manual
Page 19
...twist the saw control. Felling Instructions: 1 1/2 1 21/2 When felling, maintain a distance of your engine may drown any warning call. 18 MS 290, MS 310, MS 390 The noise of at a time. 3. Be alert to forces or situations that may cause material to cut. !Warning! Always observe the ...vicinity of fall on the operator. To avoid pushback 1. When felling on a slope, the operator should never attempt to cut because the chain can pinch. 001BA038 KN 001BA088 LÄ Cutting Techniques Felling Felling is an increased risk that are decayed or rotted inside or that such...
...twist the saw control. Felling Instructions: 1 1/2 1 21/2 When felling, maintain a distance of your engine may drown any warning call. 18 MS 290, MS 310, MS 390 The noise of at a time. 3. Be alert to forces or situations that may cause material to cut. !Warning! Always observe the ...vicinity of fall on the operator. To avoid pushback 1. When felling on a slope, the operator should never attempt to cut because the chain can pinch. 001BA038 KN 001BA088 LÄ Cutting Techniques Felling Felling is an increased risk that are decayed or rotted inside or that such...
Product Instruction Manual
Page 22
... and pivot the saw around this point only as far as the hinge. MS 290, MS 310, MS 390 21 The bumper spike rolls against the trunk. Drive wedges into the felling cut through the hinge - never steel, which can damage the chain. Felling cut for small diameter trees: simple fan cut Engage the bumper...
... and pivot the saw around this point only as far as the hinge. MS 290, MS 310, MS 390 21 The bumper spike rolls against the trunk. Drive wedges into the felling cut through the hinge - never steel, which can damage the chain. Felling cut for small diameter trees: simple fan cut Engage the bumper...
Product Instruction Manual
Page 26
...maintenance chart near the end of the instruction manual. !Warning! For example, if improper tools are always clean and in your STIHL chainsaw to cut wood becomes hard to properly perform its function of reducing the risk of forest fires is missing or damaged. Wear...has detachable SAE adapter nut, it inoperable. Keep the chain, bar and sprocket clean; Keep the chain at proper tension. Have such work performed by any nonroad engine repair establishment or individual. In order for maintenance and repair. MS 290, MS 310, MS 390 25 English / USA MAINTENANCE, REPAIR AND STORING ...
...maintenance chart near the end of the instruction manual. !Warning! For example, if improper tools are always clean and in your STIHL chainsaw to cut wood becomes hard to properly perform its function of reducing the risk of forest fires is missing or damaged. Wear...has detachable SAE adapter nut, it inoperable. Keep the chain, bar and sprocket clean; Keep the chain at proper tension. Have such work performed by any nonroad engine repair establishment or individual. In order for maintenance and repair. MS 290, MS 310, MS 390 25 English / USA MAINTENANCE, REPAIR AND STORING ...
Product Instruction Manual
Page 27
...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 390 The chainsaw should be thoroughly cleaned or there is marked on... the chain sprocket and guide bar in its operating characteristics. The drive link gauge (2) must match the bar groove width (3). For these reasons, each STIHL chainsaw should also ...
...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 390 The chainsaw should be thoroughly cleaned or there is marked on... the chain sprocket and guide bar in its operating characteristics. The drive link gauge (2) must match the bar groove width (3). For these reasons, each STIHL chainsaw should also ...
Product Instruction Manual
Page 28
... Go to protect your hands from the sharp cutters. : Fit the chain - Wear work : : Shut off the engine first - and then loosen the nuts. : Hold the bar nose up , tighten down the nuts firmly. : Go to right - MS 290, MS 310, MS 390 27 cutting edges on top of the bar. : While still ...holding the bar nose up and use for some time. : Check chain tension frequently - see chapter "Operating Instructions". English / USA Tensioning the Saw...
... Go to protect your hands from the sharp cutters. : Fit the chain - Wear work : : Shut off the engine first - and then loosen the nuts. : Hold the bar nose up , tighten down the nuts firmly. : Go to right - MS 290, MS 310, MS 390 27 cutting edges on top of the bar. : While still ...holding the bar nose up and use for some time. : Check chain tension frequently - see chapter "Operating Instructions". English / USA Tensioning the Saw...