Product Instruction Manual
Page 2
...other power saw to continually improve all of the instructions in this Manual, please contact your STIHL dealer for your area if you read and understand the maintenance and safety precautions, starting on chlorine-free paper. As a result, engineering changes 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...
...other power saw to continually improve all of the instructions in this Manual, please contact your STIHL dealer for your area if you read and understand the maintenance and safety precautions, starting on chlorine-free paper. As a result, engineering changes 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 8
... try to secure the bar. Start and operate your power tool. MS 290, MS 310, MS 390 7 English / USA Before Starting Take off the chain guard (scabbard) and inspect the saw for proper condition and operation. (See the maintenance chart near the end of your instruction manual. Never attempt to avoid...in order for proper condition and operation before starting methods reduce the risk of fire and burn injuries, start the engine at all times; STIHL Oilomatic chain, guide bar and sprocket must move freely and always spring back to maintain a firm grip and properly control your saw ....
... try to secure the bar. Start and operate your power tool. MS 290, MS 310, MS 390 7 English / USA Before Starting Take off the chain guard (scabbard) and inspect the saw for proper condition and operation. (See the maintenance chart near the end of your instruction manual. Never attempt to avoid...in order for proper condition and operation before starting methods reduce the risk of fire and burn injuries, start the engine at all times; STIHL Oilomatic chain, guide bar and sprocket must move freely and always spring back to maintain a firm grip and properly control your saw ....
Product Instruction Manual
Page 13
..."sponginess" in loss of control of a felled tree) away from the catalytic reaction, these screens will normally stay clean and need no service or maintenance. When sawing, make sure that the saw . Such objects may be observed. !Warning! You may interfere with screens designed to idle or is ...of fire and burn injury. To reduce risk of the catalytic converter. Never modify your STIHL servicing dealer only. Due to reduce the exhaust emissions of the engine by a STIHL servicing dealer. 12 MS 290, MS 310, MS 390 Your saw is shut off , damage the saw chain or cause the saw ,...
..."sponginess" in loss of control of a felled tree) away from the catalytic reaction, these screens will normally stay clean and need no service or maintenance. When sawing, make sure that the saw . Such objects may be observed. !Warning! You may interfere with screens designed to idle or is ...of fire and burn injury. To reduce risk of the catalytic converter. Never modify your STIHL servicing dealer only. Due to reduce the exhaust emissions of the engine by a STIHL servicing dealer. 12 MS 290, MS 310, MS 390 Your saw is shut off , damage the saw chain or cause the saw ,...
Product Instruction Manual
Page 16
... kickback injury, it must be enough distance between the bar and the operator to reduce the risk 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 ...See the chapter of your chainsaw without hand contact. MS 290, MS 310, MS 390 15 If the cutting position is such that the operator's left hand rotates around the front handle. Never operate your instruction manual entitled "Chain Brake" and the section "Maintenance, Repair and Storing" at the end of the ...
... kickback injury, it must be enough distance between the bar and the operator to reduce the risk 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 ...See the chapter of your chainsaw without hand contact. MS 290, MS 310, MS 390 15 If the cutting position is such that the operator's left hand rotates around the front handle. Never operate your instruction manual entitled "Chain Brake" and the section "Maintenance, Repair and Storing" at the end of the ...
Product Instruction Manual
Page 26
..., bolts and screws except the carburetor adjustment screws after each time it inoperable. Strictly follow the maintenance and repair instructions in good condition. Use of kickback and other factors. MS 290, MS 310, MS 390 25 Keep the chain, bar and sprocket clean; However, if you make sure it must...terminal of fire and hearing loss. If your muffler was equipped with a removed spark plug, since uncontained sparking may be performed by your STIHL chainsaw to burst. Keep the chain sharp. The amount of wear will increase the risk of the proper size. (Note: If terminal...
..., bolts and screws except the carburetor adjustment screws after each time it inoperable. Strictly follow the maintenance and repair instructions in good condition. Use of kickback and other factors. MS 290, MS 310, MS 390 25 Keep the chain, bar and sprocket clean; However, if you make sure it must...terminal of fire and hearing loss. If your muffler was equipped with a removed spark plug, since uncontained sparking may be performed by your STIHL chainsaw to burst. Keep the chain sharp. The amount of wear will increase the risk of the proper size. (Note: If terminal...
Product Instruction Manual
Page 27
...pitches on the guide bar in millimeters (e.g. 1.6). every three months, Moderate usage - For any maintenance of the emission control system please refer to the maintenance chart and to the following schedule: Heavy usage - 143BA034 KN English / USA Mounting the Bar...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 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 inches (e.g....
...pitches on the guide bar in millimeters (e.g. 1.6). every three months, Moderate usage - For any maintenance of the emission control system please refer to the maintenance chart and to the following schedule: Heavy usage - 143BA034 KN English / USA Mounting the Bar...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 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 inches (e.g....
Product Instruction Manual
Page 32
...short time. see "Checking Chain Tension". STIHL recommends that no dirt falls into the tank. : Remove the filler cap. : Refill the chain oil tank every time you refuel. : Close the filler cap. MS 290, MS 310, MS 390 31 Medical studies have maintenance and repair work . Every new chain has...Checking Chain Lubrication If special chain lubricant is not available, you may be a problem in tank before starting work performed only by a STIHL servicing dealer. 001BA158 KN 143BA024 KN The saw without chain lubrication. There must always throw off a small amount of oil in chain,...
...short time. see "Checking Chain Tension". STIHL recommends that no dirt falls into the tank. : Remove the filler cap. : Refill the chain oil tank every time you refuel. : Close the filler cap. MS 290, MS 310, MS 390 31 Medical studies have maintenance and repair work . Every new chain has...Checking Chain Lubrication If special chain lubricant is not available, you may be a problem in tank before starting work performed only by a STIHL servicing dealer. 001BA158 KN 143BA024 KN The saw without chain lubrication. There must always throw off a small amount of oil in chain,...
Product Instruction Manual
Page 34
It is subject to normal wear. 139BA001 KN Winter Operation English / USA Chain brake maintenance The chain brake is necessary to have it serviced 1 and maintained regularly by trained personnel, such as your STIHL servicing dealer, at the following intervals: 139BA016 KN Full-time professional users: Semi-professional users (in agriculture and construction... counterclockwise - slot vertical. : Lift off the carburetor box cover to the rear. : Pull prefilter (1) upward and out. : Pull off the spark plug boot (2). 139BA002 KN MS 290, MS 310, MS 390 33
It is subject to normal wear. 139BA001 KN Winter Operation English / USA Chain brake maintenance The chain brake is necessary to have it serviced 1 and maintained regularly by trained personnel, such as your STIHL servicing dealer, at the following intervals: 139BA016 KN Full-time professional users: Semi-professional users (in agriculture and construction... counterclockwise - slot vertical. : Lift off the carburetor box cover to the rear. : Pull prefilter (1) upward and out. : Pull off the spark plug boot (2). 139BA002 KN MS 290, MS 310, MS 390 33
Product Instruction Manual
Page 53
... you only use the saw occasionally, extend the intervals accordingly. English / USA Maintenance Chart before starting work after finishing work or daily after each refueling stop weekly ... 1) STIHL recommends that the following maintenance intervals apply for normal operating conditions only If your daily working time is longer than normal or cutting conditions are difficult (very dusty work be done by a STIHL servicing dealer 2) see "Chain brake" X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 52 MS 290, MS 310, MS 390
... you only use the saw occasionally, extend the intervals accordingly. English / USA Maintenance Chart before starting work after finishing work or daily after each refueling stop weekly ... 1) STIHL recommends that the following maintenance intervals apply for normal operating conditions only If your daily working time is longer than normal or cutting conditions are difficult (very dusty work be done by a STIHL servicing dealer 2) see "Chain brake" X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X 52 MS 290, MS 310, MS 390
Product Instruction Manual
Page 54
... wood, tropical wood etc.), shorten the specified intervals accordingly. Please note that this work be done by a STIHL servicing dealer 2) Firmly tighten cylinder base screws of professional saws (3.4 kW or more) after 10 to 20 hours... 3) not in muffler Inspect Clean or replace Check X Chain catcher Replace Safety label Replace 1) STIHL recommends that the following maintenance intervals apply for normal operating conditions only. If you only use the saw occasionally, extend the ... months if problem if damaged as required English / USA X X X X X X X MS 290, MS 310, MS 390 53
... wood, tropical wood etc.), shorten the specified intervals accordingly. Please note that this work be done by a STIHL servicing dealer 2) Firmly tighten cylinder base screws of professional saws (3.4 kW or more) after 10 to 20 hours... 3) not in muffler Inspect Clean or replace Check X Chain catcher Replace Safety label Replace 1) STIHL recommends that the following maintenance intervals apply for normal operating conditions only. If you only use the saw occasionally, extend the ... months if problem if damaged as required English / USA X X X X X X X MS 290, MS 310, MS 390 53
Product Instruction Manual
Page 59
... repair work may appear alone on small parts. English / USA Special Accessories Ordering Spare Parts Maintenance and Repairs Contact your STIHL dealer for information regarding special accessories that may be available for your saw model, serial number as... carry out only the maintenance operations described in some cases, by an authorized STIHL servicing dealer using original STIHL replacement parts. Guide bar part number Chain part number For recommended STIHL reduced kickback cutting attachments see section "Specifications" of this Owner's Manual. 58 MS 290, MS 310, MS 390
... repair work may appear alone on small parts. English / USA Special Accessories Ordering Spare Parts Maintenance and Repairs Contact your STIHL dealer for information regarding special accessories that may be available for your saw model, serial number as... carry out only the maintenance operations described in some cases, by an authorized STIHL servicing dealer using original STIHL replacement parts. Guide bar part number Chain part number For recommended STIHL reduced kickback cutting attachments see section "Specifications" of this Owner's Manual. 58 MS 290, MS 310, MS 390
Product Instruction Manual
Page 60
...warranty coverage if your engine is free from the date of your small off -road equipment engine to meet all scheduled maintenance. STIHL Incorporated also warrants to the initial purchaser and each subsequent purchaser that your small off -road equipment engine or a part ... Federal Emission Control Warranty Statement English / USA Your Warranty Rights and Obligations The U.S. MS 290, MS 310, MS 390 59 STIHL Incorporated recommends that your small off -road equipment engine, but STIHL Incorporated cannot deny warranty solely for the lack of receipts or for the first two years...
...warranty coverage if your engine is free from the date of your small off -road equipment engine to meet all scheduled maintenance. STIHL Incorporated also warrants to the initial purchaser and each subsequent purchaser that your small off -road equipment engine or a part ... Federal Emission Control Warranty Statement English / USA Your Warranty Rights and Obligations The U.S. MS 290, MS 310, MS 390 59 STIHL Incorporated recommends that your small off -road equipment engine, but STIHL Incorporated cannot deny warranty solely for the lack of receipts or for the first two years...
Product Instruction Manual
Page 61
... and other services and adjustments necessary for Warranty Service Bring the product to make a claim for required maintenance at and after the first scheduled replacement point. 60 MS 290, MS 310, MS 390 Diagnosis You, as non-defective, STIHL Incorporated will charge you for diagnostic labor which leads to the owner. Deviations from this manual are...
... and other services and adjustments necessary for Warranty Service Bring the product to make a claim for required maintenance at and after the first scheduled replacement point. 60 MS 290, MS 310, MS 390 Diagnosis You, as non-defective, STIHL Incorporated will charge you for diagnostic labor which leads to the owner. Deviations from this manual are...