Product Instruction Manual
Page 2
... Rope 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...
... Rope 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 8
..."Kickback" and the "ANSI B 175.1-2000 chainsaw kickback standard" below. !Warning! STIHL Oilomatic chain, guide bar and sprocket must move freely and always spring back to avoid improper setting,...secure - MS 290, MS 310, MS 390 7 To reduce the risk of fire and burn injuries, start the engine at least 10 feet (3 meters) from chain contact and/or reactive forces, the chain brake must.... !Warning! Check that could ignite combustible fumes and cause a fire. Before replacing any bar and chain, see the appropriate section of the instruction manual.) !Warning! Always make sure the ...
..."Kickback" and the "ANSI B 175.1-2000 chainsaw kickback standard" below. !Warning! STIHL Oilomatic chain, guide bar and sprocket must move freely and always spring back to avoid improper setting,...secure - MS 290, MS 310, MS 390 7 To reduce the risk of fire and burn injuries, start the engine at least 10 feet (3 meters) from chain contact and/or reactive forces, the chain brake must.... !Warning! Check that could ignite combustible fumes and cause a fire. Before replacing any bar and chain, see the appropriate section of the instruction manual.) !Warning! Always make sure the ...
Product Instruction Manual
Page 13
... with the cooling process of the engine (e.g. Have your muffler maintained by a STIHL servicing dealer. 12 MS 290, MS 310, MS 390 Inspect buffers periodically. Buffers should be replaced in the feel of the engine by your STIHL servicing dealer. !Warning! Such objects may indicate damage, breakage or excessive wear....! Such use could cause an increase in the upright position and never locate it is shut off , damage the saw chain or cause the saw chain does not touch any questions as rocks, fences, nails and the like. A modified or damaged muffler could damage the...
... with the cooling process of the engine (e.g. Have your muffler maintained by a STIHL servicing dealer. 12 MS 290, MS 310, MS 390 Inspect buffers periodically. Buffers should be replaced in the feel of the engine by your STIHL servicing dealer. !Warning! Such objects may indicate damage, breakage or excessive wear....! Such use could cause an increase in the upright position and never locate it is shut off , damage the saw chain or cause the saw chain does not touch any questions as rocks, fences, nails and the like. A modified or damaged muffler could damage the...
Product Instruction Manual
Page 15
...manual or - bar and chain combinations listed as a chain brake, low kickback chain, reduced kickback bar, etc. Devices for use on your powerhead with at least one device designed to your STIHL chainsaw. 14 MS 290, MS 310, MS 390 See the section on your local STIHL servicing dealer. Compliance with... rotate at least two devices to reduce the risk of injury, never use of the STIHL Quickstop chain brake on the powerhead or - replacement chain designated "low kickback saw if the chain brake does not function properly. and must , in their original condition, especially if they...
...manual or - bar and chain combinations listed as a chain brake, low kickback chain, reduced kickback bar, etc. Devices for use on your powerhead with at least one device designed to your STIHL chainsaw. 14 MS 290, MS 310, MS 390 See the section on your local STIHL servicing dealer. Compliance with... rotate at least two devices to reduce the risk of injury, never use of the STIHL Quickstop chain brake on the powerhead or - replacement chain designated "low kickback saw if the chain brake does not function properly. and must , in their original condition, especially if they...
Product Instruction Manual
Page 26
...inoperable. MS 290, MS 310, MS 390 25 Have such work or cleaning the power tool. !Warning! The amount of wear will increase the risk of non-STIHL parts may create arcing that the chain is damaged, missing or modified. English / USA MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or... maintenance and repair instructions in the boot may cause serious or fatal injury. Keep the chain sharp. Use only identical STIHL replacement parts for the chain brake on your STIHL servicing dealer only. Never test the ignition system with the spark plug boot removed from the...
...inoperable. MS 290, MS 310, MS 390 25 Have such work or cleaning the power tool. !Warning! The amount of wear will increase the risk of non-STIHL parts may create arcing that the chain is damaged, missing or modified. English / USA MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or... maintenance and repair instructions in the boot may cause serious or fatal injury. Keep the chain sharp. Use only identical STIHL replacement parts for the chain brake on your STIHL servicing dealer only. Never test the ignition system with the spark plug boot removed from the...
Product Instruction Manual
Page 40
...the crankshaft and bearings. turn adjusting screw to cool down . Your chain must always be dissipated by flow of cooling air. in a dry place, well away from thermal 1 overload. MS 290, MS 310, MS 390 * Special accessory * see "Guide to run for different bar... lengths, types of wood and cutting techniques. : Use the adjusting screw (1) (on filing gauge* - This protects engine-mounted components (ignition, carburetor) from sources of ignition, until you replace the chain - ...
...the crankshaft and bearings. turn adjusting screw to cool down . Your chain must always be dissipated by flow of cooling air. in a dry place, well away from thermal 1 overload. MS 290, MS 310, MS 390 * Special accessory * see "Guide to run for different bar... lengths, types of wood and cutting techniques. : Use the adjusting screw (1) (on filing gauge* - This protects engine-mounted components (ignition, carburetor) from sources of ignition, until you replace the chain - ...
Product Instruction Manual
Page 41
the cutters and tie straps will otherwise scrape along the bottom of filters. When there is less than specified: : Replace the guide bar. Fleece filter (non-woven)* For dry and very dusty work areas. The drive link tangs will not ride on ... / USA Air Filter System Cleaning Air Filter Chain type Picco Rapid Rapid Rapid Pitch 3/8" P 1/4" 3/8"; 0.325" 0.404" Minimum groove depth 0.20" (5.0 mm) 0.16" (4.0 mm) 0.24" (6.0 mm) 0.28" (7.0 mm) The air filter system can be adapted to Using this Manual" 40 MS 290, MS 310, MS 390 Dirty air filters reduce engine power, increase...
the cutters and tie straps will otherwise scrape along the bottom of filters. When there is less than specified: : Replace the guide bar. Fleece filter (non-woven)* For dry and very dusty work areas. The drive link tangs will not ride on ... / USA Air Filter System Cleaning Air Filter Chain type Picco Rapid Rapid Rapid Pitch 3/8" P 1/4" 3/8"; 0.325" 0.404" Minimum groove depth 0.20" (5.0 mm) 0.16" (4.0 mm) 0.24" (6.0 mm) 0.28" (7.0 mm) The air filter system can be adapted to Using this Manual" 40 MS 290, MS 310, MS 390 Dirty air filters reduce engine power, increase...
Product Instruction Manual
Page 43
... 42 MS 290, MS 310, MS 390 then back off the screw one quarter of a turn . then turn screw another quarter turn from max. lean setting. : Turn the low speed adjusting screw (L) clockwise up to the stop - then back off the engine. : Check the air filter and replace if ... when the engine is idling : Turn the idle speed adjusting screw (LA) counterclockwise until chain stops running - H 3/4 L 1/4 HL LA Standard setting : Shut off the screw one quarter of a turn . Chain runs when engine is idling, have your saw checked and repaired by your servicing dealer. ...
... 42 MS 290, MS 310, MS 390 then back off the screw one quarter of a turn . then turn screw another quarter turn from max. lean setting. : Turn the low speed adjusting screw (L) clockwise up to the stop - then back off the engine. : Check the air filter and replace if ... when the engine is idling : Turn the idle speed adjusting screw (LA) counterclockwise until chain stops running - H 3/4 L 1/4 HL LA Standard setting : Shut off the screw one quarter of a turn . Chain runs when engine is idling, have your saw checked and repaired by your servicing dealer. ...
Product Instruction Manual
Page 47
... bits of spring in the fan housing might still be under tension and could fly apart when you use a biological chain and bar lubricant, e.g. For periods of about 3 months or longer: : Drain and clean the fuel tank in ... the carburetor diaphragms sticking together. : Remove the saw chain and guide bar, clean them out of children and other unauthorized persons. 46 MS 290, MS 310, MS 390 STIHL BioPlus, completely fill the chain oil tank. : Store the unit in a dry and... tension the rewind spring, fit the fan housing and secure in position. Replacing a broken rewind spring : Remove the rope rotor.
... bits of spring in the fan housing might still be under tension and could fly apart when you use a biological chain and bar lubricant, e.g. For periods of about 3 months or longer: : Drain and clean the fuel tank in ... the carburetor diaphragms sticking together. : Remove the saw chain and guide bar, clean them out of children and other unauthorized persons. 46 MS 290, MS 310, MS 390 STIHL BioPlus, completely fill the chain oil tank. : Store the unit in a dry and... tension the rewind spring, fit the fan housing and secure in position. Replacing a broken rewind spring : Remove the rope rotor.
Product Instruction Manual
Page 48
...STIHL chain sprockets to ensure correct operation of the chain brake. 001BA121 KN 001BA122 KN 5 62 1 4 3 62 1 : Use a screwdriver to use a gauge ("Special Accessories") to engage oil pump drive. : Fit rim sprocket with STlHL grease ("Special Accessories"). : push needle cage on clutch drum (4) - Checking and Replacing Chain Sprocket English / USA : Remove the chain sprocket cover, chain... than approx. 0.02 in rotation with one turn to check the depth of the chain. MS 290, MS 310, MS 390 47 Replace sooner if the wear marks on the sprocket are severe, fit a new clutch drum...
...STIHL chain sprockets to ensure correct operation of the chain brake. 001BA121 KN 001BA122 KN 5 62 1 4 3 62 1 : Use a screwdriver to use a gauge ("Special Accessories") to engage oil pump drive. : Fit rim sprocket with STlHL grease ("Special Accessories"). : push needle cage on clutch drum (4) - Checking and Replacing Chain Sprocket English / USA : Remove the chain sprocket cover, chain... than approx. 0.02 in rotation with one turn to check the depth of the chain. MS 290, MS 310, MS 390 47 Replace sooner if the wear marks on the sprocket are severe, fit a new clutch drum...
Product Instruction Manual
Page 49
... tools and correct settings are used. 48 MS 290, MS 310, MS 390 and in the links and damaged rivets. : Replace any damaged or worn parts of each cutter. see table "Sharpening Tools". Do not work with resulting risk of the original parts. Use only special saw chain is absolutely essential to comply with the angles...
... tools and correct settings are used. 48 MS 290, MS 310, MS 390 and in the links and damaged rivets. : Replace any damaged or worn parts of each cutter. see table "Sharpening Tools". Do not work with resulting risk of the original parts. Use only special saw chain is absolutely essential to comply with the angles...
Product Instruction Manual
Page 53
... Inspect Have replaced by servicing dealer1) Cooling inlets Clean Cylinder fins Clean 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...
... Inspect Have replaced by servicing dealer1) Cooling inlets Clean Cylinder fins Clean 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
... every 12 months if problem if damaged as required English / USA X X X X X X X MS 290, MS 310, MS 390 53 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...All accessible screws and nuts (not adjusting screws) 2) Retighten Spark arresting screen 3) 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, ...
... every 12 months if problem if damaged as required English / USA X X X X X X X MS 290, MS 310, MS 390 53 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...All accessible screws and nuts (not adjusting screws) 2) Retighten Spark arresting screen 3) 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, ...
Product Instruction Manual
Page 58
..., do not use replacement saw chain unless it has been designated as meeting the ANSI § 5.11 requirements on page 16 of this Manual. English / USA Cutting Attachment Recommended cutting attachments for compliance with § 5.11 of ANSI Standard B 175.1-2000 (see page 13 of this Manual): MS 290: STIHL reduced kickback bar (... this specific powerhead, or has been designated as "low kickback" saw chain1) in (40, 45, 50 or 63 cm) STIHL yellow-labeled chains: MS 290 For 0.325" pitch: Rapid Micro C (23 RMC, 25 RMC, 26 RMC) For 3/8" pitch: Rapid Micro (33 RM, 35 RM, 36 RM) Rapid-Super C (33 ...
..., do not use replacement saw chain unless it has been designated as meeting the ANSI § 5.11 requirements on page 16 of this Manual. English / USA Cutting Attachment Recommended cutting attachments for compliance with § 5.11 of ANSI Standard B 175.1-2000 (see page 13 of this Manual): MS 290: STIHL reduced kickback bar (... this specific powerhead, or has been designated as "low kickback" saw chain1) in (40, 45, 50 or 63 cm) STIHL yellow-labeled chains: MS 290 For 0.325" pitch: Rapid Micro C (23 RMC, 25 RMC, 26 RMC) For 3/8" pitch: Rapid Micro (33 RM, 35 RM, 36 RM) Rapid-Super C (33 ...
Product Instruction Manual
Page 59
... repair has been performed by an authorized STIHL servicing dealer using original STIHL replacement parts. The guide bar and saw model, the part numbers and names of the guide bar and saw chain in the spaces provided. Model Serial number Users of this Owner's Manual. 58 MS 290, MS 310, MS 390 Other repair work may appear alone...
... repair has been performed by an authorized STIHL servicing dealer using original STIHL replacement parts. The guide bar and saw model, the part numbers and names of the guide bar and saw chain in the spaces provided. Model Serial number Users of this Owner's Manual. 58 MS 290, MS 310, MS 390 Other repair work may appear alone...