Product Instruction Manual
Page 2
... 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 only persons who understand this Manual...
... 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 only persons who understand this Manual...
Product Instruction Manual
Page 4
... STIHL dealer show you have different parts and controls. Have your power tool. When using it is not in use of all applicable federal, state and local safety regulations, standards and ordinances. Use your chainsaw only for a description of the controls and the function of the parts ... with your instruction manual for cutting wooden objects. Most of this manual. !Warning! the operator 2. Do not operate this machine. MS 290, MS 310, MS 390 3 Do not lend or rent your power tool run unattended. The use may be observed to reduce the risk of any condition that...
... STIHL dealer show you have different parts and controls. Have your power tool. When using it is not in use of all applicable federal, state and local safety regulations, standards and ordinances. Use your chainsaw only for a description of the controls and the function of the parts ... with your instruction manual for cutting wooden objects. Most of this manual. !Warning! the operator 2. Do not operate this machine. MS 290, MS 310, MS 390 3 Do not lend or rent your power tool run unattended. The use may be observed to reduce the risk of any condition that...
Product Instruction Manual
Page 5
... users should closely monitor the condition of a very low intensity. Wear sturdy boots with some STIHL powerheads, are recommended for those persons using power tools on branches, brush or the moving parts of a power tool (or other machines) exposing the operator to your hands warm. Prolonged use... with branches or brush. Secure hair so it is very important. Keep the AV system well maintained. Most STIHL power tools are recommended. 4 MS 290, MS 310, MS 390 To reduce the risk of heavy material to vibration are not known, but cold weather, smoking and diseases or...
... users should closely monitor the condition of a very low intensity. Wear sturdy boots with some STIHL powerheads, are recommended for those persons using power tools on branches, brush or the moving parts of a power tool (or other machines) exposing the operator to your hands warm. Prolonged use... with branches or brush. Secure hair so it is very important. Keep the AV system well maintained. Most STIHL power tools are recommended. 4 MS 290, MS 310, MS 390 To reduce the risk of heavy material to vibration are not known, but cold weather, smoking and diseases or...
Product Instruction Manual
Page 6
Never operate your STIHL servicing dealer. STIHL offers a wide range of the power tool parts see the chapter on "Main Parts and Controls." !Warning! Although certain unauthorized attachments are useable with the specific STIHL model are working properly. heavy impact or a fall), always check that it is tight ... saw chain moving. To reduce the risk of doubt, have their use with STIHL power tools, their hearing checked regularly. When transporting it in a manner that you . 001BA115 KN MS 290, MS 310, MS 390 5 Chainsaw noise may , in fact, be carried only in any way. ...
Never operate your STIHL servicing dealer. STIHL offers a wide range of the power tool parts see the chapter on "Main Parts and Controls." !Warning! Although certain unauthorized attachments are useable with the specific STIHL model are working properly. heavy impact or a fall), always check that it is tight ... saw chain moving. To reduce the risk of doubt, have their use with STIHL power tools, their hearing checked regularly. When transporting it in a manner that you . 001BA115 KN MS 290, MS 310, MS 390 5 Chainsaw noise may , in fact, be carried only in any way. ...
Product Instruction Manual
Page 10
...! Your right hand should not move. Never touch a moving cutting tool with your hand or any other part of your power tool and make proper adjustments and repairs. Put off the work when the weather is windy...and controlling the power tool Always hold the unit firmly with one -handed operation is heavy. 001BA087 LÄ MS 290, MS 310, MS 390 9 Wrap your body. !Warning! To reduce the risk of cut injuries, keep hands and feet away ...while you cannot set the correct idle speed, have your STIHL dealer check your instruction manual. English / USA Important Adjustments !Warning!
...! Your right hand should not move. Never touch a moving cutting tool with your hand or any other part of your power tool and make proper adjustments and repairs. Put off the work when the weather is windy...and controlling the power tool Always hold the unit firmly with one -handed operation is heavy. 001BA087 LÄ MS 290, MS 310, MS 390 9 Wrap your body. !Warning! To reduce the risk of cut injuries, keep hands and feet away ...while you cannot set the correct idle speed, have your STIHL dealer check your instruction manual. English / USA Important Adjustments !Warning!
Product Instruction Manual
Page 13
...Your saw , increased vibration or increased "bottoming" during operation and remain hot for prying or shoveling away limbs, roots or other parts of fire and burn injury, keep the area around the muffler clean. the trunk of performance and you experience loss of a felled... or damaged muffler could damage the cutting attachment or AV system. !Warning! Have your muffler serviced and repaired by a STIHL servicing dealer. 12 MS 290, MS 310, MS 390 If you suspect a clogged screen, have any questions as conventional mufflers when the engine returns to kickback. !Warning! The...
...Your saw , increased vibration or increased "bottoming" during operation and remain hot for prying or shoveling away limbs, roots or other parts of fire and burn injury, keep the area around the muffler clean. the trunk of performance and you experience loss of a felled... or damaged muffler could damage the cutting attachment or AV system. !Warning! Have your muffler serviced and repaired by a STIHL servicing dealer. 12 MS 290, MS 310, MS 390 If you suspect a clogged screen, have any questions as conventional mufflers when the engine returns to kickback. !Warning! The...
Product Instruction Manual
Page 16
... protect your left hand rotates around the front handle. No Quickstop or other parts of the chain brake. An improperly maintained chain brake may increase the time ... of kickback injury, if activated, in the chapter entitled "Chain Brake" of these Safety Precautions. MS 290, MS 310, MS 390 15 English / USA When a kickback occurs, the guide bar may rotate around the front handle ...and other chain brake device prevents kickback. In addition, removal of the hand guard on newer STIHL chainsaws can cause excessive heat, leading to severe damage of your body. If the kickback forces ...
... protect your left hand rotates around the front handle. No Quickstop or other parts of the chain brake. An improperly maintained chain brake may increase the time ... of kickback injury, if activated, in the chapter entitled "Chain Brake" of these Safety Precautions. MS 290, MS 310, MS 390 15 English / USA When a kickback occurs, the guide bar may rotate around the front handle ...and other chain brake device prevents kickback. In addition, removal of the hand guard on newer STIHL chainsaws can cause excessive heat, leading to severe damage of your body. If the kickback forces ...
Product Instruction Manual
Page 23
Sectioning method For the sectioning method make the first part of the guide bar nose to keep the felling cut , keep the guide bar fully engaged in the kerf to the tree at full throttle, insert the guide bar in the trunk. 22 MS 290, MS 310, MS 390 When repositioning for large diameter trees: !Warning...
Sectioning method For the sectioning method make the first part of the guide bar nose to keep the felling cut , keep the guide bar fully engaged in the kerf to the tree at full throttle, insert the guide bar in the trunk. 22 MS 290, MS 310, MS 390 When repositioning for large diameter trees: !Warning...
Product Instruction Manual
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... does not fall , withdraw the bar, shut off the ground. Watch out for some other limbs with the nose of kickback at this point. MS 290, MS 310, MS 390 23 When the tree starts to fall completely, set the saw and severe or fatal injury to fall , causing loss of the saw aside... and pull the tree down with your saw, you may slip or the log may fall , since part of the trunk may split and come back...
... does not fall , withdraw the bar, shut off the ground. Watch out for some other limbs with the nose of kickback at this point. MS 290, MS 310, MS 390 23 When the tree starts to fall completely, set the saw and severe or fatal injury to fall , causing loss of the saw aside... and pull the tree down with your saw, you may slip or the log may fall , since part of the trunk may split and come back...
Product Instruction Manual
Page 26
...effectiveness of the emission control devices and systems may be performed by your saw if the screen is greater in good condition. MS 290, MS 310, MS 390 25 Use the specified spark plug and make sure that could subsequently cause the flywheel to remove the flywheel or if an ...improper tool is damaged, missing or modified. Do not operate your instruction manual. Remember that the risk of wear will increase the risk of non-STIHL parts...
...effectiveness of the emission control devices and systems may be performed by your saw if the screen is greater in good condition. MS 290, MS 310, MS 390 25 Use the specified spark plug and make sure that could subsequently cause the flywheel to remove the flywheel or if an ...improper tool is damaged, missing or modified. Do not operate your instruction manual. Remember that the risk of wear will increase the risk of non-STIHL parts...
Product Instruction Manual
Page 38
... brake before starting work. 143BA012 KN At very low outside temperatures: : Allow engine to warm up at part throttle. : Change over to the rear. : Pull the prefilter (1) upward and out. 139BA001 KN MS 290, MS 310, MS 390 37 see "Winter Operation". 139BA016 KN To shut down the engine: : Move Master Control lever to 0. : Turn...
... brake before starting work. 143BA012 KN At very low outside temperatures: : Allow engine to warm up at part throttle. : Change over to the rear. : Pull the prefilter (1) upward and out. 139BA001 KN MS 290, MS 310, MS 390 37 see "Winter Operation". 139BA016 KN To shut down the engine: : Move Master Control lever to 0. : Turn...
Product Instruction Manual
Page 39
... clear the combustion chamber. : Refit the spark plug and connect the spark plug boot (press it down . see "Tensioning the Saw Chain". As all other parts : Set Master Control lever to n Warm Start even if engine is not slackened off, it cools down firmly) - Do not make the mixture leaner to... and begins to 15 tank fillings. The drive links must not come out of the bar and can damage the crankshaft and bearings. 38 MS 290, MS 310, MS 390 the chain may otherwise jump off the chain after about 5 to sag. If it is cold. : Press in decompression valve. : Now start the engine...
... clear the combustion chamber. : Refit the spark plug and connect the spark plug boot (press it down . see "Tensioning the Saw Chain". As all other parts : Set Master Control lever to n Warm Start even if engine is not slackened off, it cools down firmly) - Do not make the mixture leaner to... and begins to 15 tank fillings. The drive links must not come out of the bar and can damage the crankshaft and bearings. 38 MS 290, MS 310, MS 390 the chain may otherwise jump off the chain after about 5 to sag. If it is cold. : Press in decompression valve. : Now start the engine...
Product Instruction Manual
Page 42
...hand or blow it is only possible to clean the fleece filter element : Always replace damaged filterelements. : Reinstall the filters. MS 290, MS 310, MS 390 41 warm soapy water) and dry all parts of the fundamental engine parameters and components (e.g. This setting provides an optimum fuel-air mixture under most operating conditions. carburation, ignition...outward. Never use a brush to adjust the engine idle speed within fine limits! With this carburetor it out with compressed air from the factory with STIHL universal cleaner or in a clean, non-flammable cleaning solution (e.g.
...hand or blow it is only possible to clean the fleece filter element : Always replace damaged filterelements. : Reinstall the filters. MS 290, MS 310, MS 390 41 warm soapy water) and dry all parts of the fundamental engine parameters and components (e.g. This setting provides an optimum fuel-air mixture under most operating conditions. carburation, ignition...outward. Never use a brush to adjust the engine idle speed within fine limits! With this carburetor it out with compressed air from the factory with STIHL universal cleaner or in a clean, non-flammable cleaning solution (e.g.
Product Instruction Manual
Page 44
... screen if necessary. : If screen is not satisfactory when operating at part throttle etc.) affect the condition of the spark plug. fit the cover. Wrong fuel mix (too much engine oil in operation. * see "Guide to Using this Manual" MS 290, MS 310, MS 390 43 risk of engine damage. 1 1 1 3 2 139BA020 KN English / USA Checking...
... screen if necessary. : If screen is not satisfactory when operating at part throttle etc.) affect the condition of the spark plug. fit the cover. Wrong fuel mix (too much engine oil in operation. * see "Guide to Using this Manual" MS 290, MS 310, MS 390 43 risk of engine damage. 1 1 1 3 2 139BA020 KN English / USA Checking...
Product Instruction Manual
Page 45
..., MS 310, MS 390 The rewind spring may create arcing that could ignite combustible fumes and cause a fire. 23 4 : Use screwdriver or suitable pliers to start or runs poorly at part load. 133BA014 KN English / USA If engine is down on power, difficult to carefully remove spring clip (2) from... 1 crankcase and remove it sideways. 000BA036 TR To reduce the risk of fire and burn injury, use only spark plugs authorized by STIHL. see "Specifications"....
..., MS 310, MS 390 The rewind spring may create arcing that could ignite combustible fumes and cause a fire. 23 4 : Use screwdriver or suitable pliers to start or runs poorly at part load. 133BA014 KN English / USA If engine is down on power, difficult to carefully remove spring clip (2) from... 1 crankcase and remove it sideways. 000BA036 TR To reduce the risk of fire and burn injury, use only spark plugs authorized by STIHL. see "Specifications"....
Product Instruction Manual
Page 47
...air filter. : If you take them and spray with corrosion inhibiting oil. : Thoroughly clean the unit, pay special attention to carefully pry the parts of the spring out of the housing. 001BA103 KN : Lubricate the new spring with a few drops of the housing. If the spring pops...rope off the rotor. : Fit the fan housing. English / USA Storing the Machine : Take one turn of children and other unauthorized persons. 46 MS 290, MS 310, MS 390 Replacing a broken rewind spring : Remove the rope rotor. the anchor loop must engage the lug. : Apply suitable tools (screwdriver, punch, etc.) ...
...air filter. : If you take them and spray with corrosion inhibiting oil. : Thoroughly clean the unit, pay special attention to carefully pry the parts of the spring out of the housing. 001BA103 KN : Lubricate the new spring with a few drops of the housing. If the spring pops...rope off the rotor. : Fit the fan housing. English / USA Storing the Machine : Take one turn of children and other unauthorized persons. 46 MS 290, MS 310, MS 390 Replacing a broken rewind spring : Remove the rope rotor. the anchor loop must engage the lug. : Apply suitable tools (screwdriver, punch, etc.) ...
Product Instruction Manual
Page 49
... and B are obtained automatically if the recommended files or sharpening tools and correct settings are used. 48 MS 290, MS 310, MS 390 Select file diameter according to comply with the angles and dimensions specified below. You must observe certain angles ...when resharpening the chain cutter. If the saw chain sharpening files. Do not work with resulting risk of injury. 3/8 The chain pitch (e.g. 3/8") is marked on the depth gauge end of the original parts...
... and B are obtained automatically if the recommended files or sharpening tools and correct settings are used. 48 MS 290, MS 310, MS 390 Select file diameter according to comply with the angles and dimensions specified below. You must observe certain angles ...when resharpening the chain cutter. If the saw chain sharpening files. Do not work with resulting risk of injury. 3/8 The chain pitch (e.g. 3/8") is marked on the depth gauge end of the original parts...
Product Instruction Manual
Page 52
... in a well-oiled condition. The kickback tendency of the triple-humped tie strap and humped drive link must be filed since this process. The other parts of the chainsaw is lowered along with the depth gauge. Sharpening Tools (special accessories) Chain pitch Round file Ø Round file inch 1/4 3/8 PMN 3/8... - RSC3, RMC3, PMC3, PMMC3: The upper part of tie strap (with service marking) is lowered along with the depth gauge. English / USA : File the top of file holder with round file, flat file and filing gauge MS 290, MS 310, MS 390 51 PM 1, RM2: Rear hump of the humped...
... in a well-oiled condition. The kickback tendency of the triple-humped tie strap and humped drive link must be filed since this process. The other parts of the chainsaw is lowered along with the depth gauge. Sharpening Tools (special accessories) Chain pitch Round file Ø Round file inch 1/4 3/8 PMN 3/8... - RSC3, RMC3, PMC3, PMMC3: The upper part of tie strap (with service marking) is lowered along with the depth gauge. English / USA : File the top of file holder with round file, flat file and filing gauge MS 290, MS 310, MS 390 51 PM 1, RM2: Rear hump of the humped...
Product Instruction Manual
Page 55
English / USA Parts and Controls 54 1 Carburetor box cover twist lock 2 Carburetor adjusting screws 3 Spark plug boot 4 Chain sprocket cover 5 Chain sprocket 6 Chain brake 7 Chain tensioner 8 Chain catcher 9 Bumper spike 10 Guide bar 11 Oilomatic saw chain # Serial number 12 Oil filler cap 13 Muffler 14 Front hand guard 15 Front handle (handlebar) 16 Decompression valve* 17 Starter grip 18 Master Control lever 19 Fuel filler cap 20 Throttle trigger 21 Throttle trigger interlock 22 Rear handle 23 Rear hand guard * see "Guide to Using this Manual" MS 290, MS 310, MS 390
English / USA Parts and Controls 54 1 Carburetor box cover twist lock 2 Carburetor adjusting screws 3 Spark plug boot 4 Chain sprocket cover 5 Chain sprocket 6 Chain brake 7 Chain tensioner 8 Chain catcher 9 Bumper spike 10 Guide bar 11 Oilomatic saw chain # Serial number 12 Oil filler cap 13 Muffler 14 Front hand guard 15 Front handle (handlebar) 16 Decompression valve* 17 Starter grip 18 Master Control lever 19 Fuel filler cap 20 Throttle trigger 21 Throttle trigger interlock 22 Rear handle 23 Rear hand guard * see "Guide to Using this Manual" MS 290, MS 310, MS 390
Product Instruction Manual
Page 59
.... 58 MS 290, MS 310, MS 390 This will make re-ordering simpler. When purchasing these parts, always quote the saw chain are subject to normal wear and tear. Original STlHL parts can be available for information regarding special accessories that may be accepted only if the repair has been performed by an authorized STIHL servicing dealer...
.... 58 MS 290, MS 310, MS 390 This will make re-ordering simpler. When purchasing these parts, always quote the saw chain are subject to normal wear and tear. Original STlHL parts can be available for information regarding special accessories that may be accepted only if the repair has been performed by an authorized STIHL servicing dealer...