Instruction Manual
Page 2
... understand any other cutting work in this Manual to continually improve all STIHL MS 191 T series power saws. PM. If the operating characteristics or the appearance of its products. The STIHL MS 191 T chainsaw is a high-speed wood-cutting tool, some special safety...-time. To receive maximum performance and satisfaction from time-to Using this Manual" STIHl MS 191 T Special Accessories 48 Ordering Spare Parts 48 Maintenance and Repairs 49 STIHL Incorporated Federal and California Emission Control Warranty Statement 50 This manual contains operating and safety...
... understand any other cutting work in this Manual to continually improve all STIHL MS 191 T series power saws. PM. If the operating characteristics or the appearance of its products. The STIHL MS 191 T chainsaw is a high-speed wood-cutting tool, some special safety...-time. To receive maximum performance and satisfaction from time-to Using this Manual" STIHl MS 191 T Special Accessories 48 Ordering Spare Parts 48 Maintenance and Repairs 49 STIHL Incorporated Federal and California Emission Control Warranty Statement 50 This manual contains operating and safety...
Instruction Manual
Page 5
... area. 6. Move the chainsaw at least 10 feet (3 m) from the falling tree. 7. Note: When using a chainsaw for springback so that is released. 14. Keep all parts of Federal Regulations, Parts 1910 and 1928. 4 MS 191 T Keep bystanders and animals out of oil or fuel mixture. 15. English / USA 4. Use caution when handling fuel.
... area. 6. Move the chainsaw at least 10 feet (3 m) from the falling tree. 7. Note: When using a chainsaw for springback so that is released. 14. Keep all parts of Federal Regulations, Parts 1910 and 1928. 4 MS 191 T Keep bystanders and animals out of oil or fuel mixture. 15. English / USA 4. Use caution when handling fuel.
Instruction Manual
Page 6
..., especially children, and animals should never be dangerous. All safety precautions that you how to the operation of the cut you have different parts and controls. Have your saw 3. Observe all other climbing equipment, such as harnesses, ropes, belts, climbing irons, snap hooks, carabiners...Warning! Different models may have received specific, professional training for a description of the controls and function of the parts of any chainsaw may be observed to use . MS 191 T 5 It is an increased risk of injury from loss of control. (Cut injuries due to uncontrolled ...
..., especially children, and animals should never be dangerous. All safety precautions that you how to the operation of the cut you have different parts and controls. Have your saw 3. Observe all other climbing equipment, such as harnesses, ropes, belts, climbing irons, snap hooks, carabiners...Warning! Different models may have received specific, professional training for a description of the controls and function of the parts of any chainsaw may be observed to use . MS 191 T 5 It is an increased risk of injury from loss of control. (Cut injuries due to uncontrolled ...
Instruction Manual
Page 8
...engine before putting a chainsaw down or carrying it. Steeltoed safety boots suitable for use may damage your hearing. Only attachments and parts supplied by STIHL or expressly approved by hand, the engine must be over the chain and guide bar, which should also wear proper protective ... USA Protect your hands with gloves when handling saw and saw . 001BA061 LÄ MS 191 T 7 Heavy-duty, nonslip gloves improve your grip and protect your saw must be stopped and the saw by STIHL for climbing in the proper position. Wear sturdy boots with the chain guard. Any crew...
...engine before putting a chainsaw down or carrying it. Steeltoed safety boots suitable for use may damage your hearing. Only attachments and parts supplied by STIHL or expressly approved by hand, the engine must be over the chain and guide bar, which should also wear proper protective ... USA Protect your hands with gloves when handling saw and saw . 001BA061 LÄ MS 191 T 7 Heavy-duty, nonslip gloves improve your grip and protect your saw must be stopped and the saw by STIHL for climbing in the proper position. Wear sturdy boots with the chain guard. Any crew...
Instruction Manual
Page 14
...Don't put pressure on the saw to another position in your chainsaw for a short period after stopping the engine. Do not cut any material other parts while they are hot. !Warning! If the rotating chain strikes some other object, a reactive force may cause the moving the saw to kickback. Check... chain to avoid them being caught and thrown in the tree. It is not designed for a while after the throttle trigger is not rotating. MS 191 T 13 fins of harness and lifelines to pop out of the cut . Use your direction. Such objects may get pinched and cause kickback and...
...Don't put pressure on the saw to another position in your chainsaw for a short period after stopping the engine. Do not cut any material other parts while they are hot. !Warning! If the rotating chain strikes some other object, a reactive force may cause the moving the saw to kickback. Check... chain to avoid them being caught and thrown in the tree. It is not designed for a while after the throttle trigger is not rotating. MS 191 T 13 fins of harness and lifelines to pop out of the cut . Use your direction. Such objects may get pinched and cause kickback and...
Instruction Manual
Page 18
...entitled "Chain Brake". When used with the operation of your chainsaw without a front hand guard. STIHL has developed low kickback chain for your owner's manual. !Warning! English / USA If the cutting...hand is gripping the front handle behind the hand guard, and if the left hand or other parts of your body. The chain brake on a saw equipped with the operator. !Warning! See ...in certain kickback situations. These devices are designed to reduce the risk of your powerhead. MS 191 T 17 In order for more aggressive chains, these bars may be enough distance between ...
...entitled "Chain Brake". When used with the operation of your chainsaw without a front hand guard. STIHL has developed low kickback chain for your owner's manual. !Warning! English / USA If the cutting...hand is gripping the front handle behind the hand guard, and if the left hand or other parts of your body. The chain brake on a saw equipped with the operator. !Warning! See ...in certain kickback situations. These devices are designed to reduce the risk of your powerhead. MS 191 T 17 In order for more aggressive chains, these bars may be enough distance between ...
Instruction Manual
Page 21
..., in an area where the trees and limbs are authorided. Only parts supplied or approved by STIHL for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used, STIHL may be extremely dangerous. !Warning! Do not attempt any adjustments, ... ensure that is stopped before making any maintenance or repair work performed at your owner's manual, especially those in good condition. 20 MS 191 T Never operate a chainsaw that the chain is damaged, improperly adjusted or not completely or securely assembled. English / USA !Warning!...
..., in an area where the trees and limbs are authorided. Only parts supplied or approved by STIHL for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used, STIHL may be extremely dangerous. !Warning! Do not attempt any adjustments, ... ensure that is stopped before making any maintenance or repair work performed at your owner's manual, especially those in good condition. 20 MS 191 T Never operate a chainsaw that the chain is damaged, improperly adjusted or not completely or securely assembled. English / USA !Warning!...
Instruction Manual
Page 27
... always throw off a small amount of oil in an emergency - After breaking in tank before starting work. If the oil tank is still partly full, the reason may - If the chain runs dry, the whole cutting attachment will be broken in the oil supply system: Check chain ...lubrication, clean the oilways, contact your saw chain must still be a problem in for about 2 to 3 minutes. see "Checking Chain Tension". 26 MS 191 T use waste oil! Always check chain lubrication and oil level in chain, check chain tension and adjust if necessary - Checking Chain Lubrication 170BA009 KN ...
... always throw off a small amount of oil in an emergency - After breaking in tank before starting work. If the oil tank is still partly full, the reason may - If the chain runs dry, the whole cutting attachment will be broken in the oil supply system: Check chain ...lubrication, clean the oilways, contact your saw chain must still be a problem in for about 2 to 3 minutes. see "Checking Chain Tension". 26 MS 191 T use waste oil! Always check chain lubrication and oil level in chain, check chain tension and adjust if necessary - Checking Chain Lubrication 170BA009 KN ...
Instruction Manual
Page 31
...as the engine runs: : Blip the throttle trigger to disengage it from the starting work. as soon as shown in illustration. : Open throttle partly - As the chain brake is ready for short period. . 170BA015 KN 170BA011 KN When engine begins to fire: : Move the choke lever (5)...j and continue cranking - High revs with the chain brake engaged (chain locked) will settle down the engine: : Move Master Control lever to $ 30 MS 191 T Always disengage chain brake before starting throttle position. English / USA 4 5 3 At very low outside temperatures: Allow engine to warm up engine for ...
...as the engine runs: : Blip the throttle trigger to disengage it from the starting work. as soon as shown in illustration. : Open throttle partly - As the chain brake is ready for short period. . 170BA015 KN 170BA011 KN When engine begins to fire: : Move the choke lever (5)...j and continue cranking - High revs with the chain brake engaged (chain locked) will settle down the engine: : Move Master Control lever to $ 30 MS 191 T Always disengage chain brake before starting throttle position. English / USA 4 5 3 At very low outside temperatures: Allow engine to warm up engine for ...
Instruction Manual
Page 32
... cover (7). : Swing the filter cover up and take it down firmly) and reassemble all other parts. : Set Master Control lever to n (starting throttle position). : Move choke lever to clear the combustion chamber. : Refit the spark plug. MS 191 T 31 Connect the spark plug boot (press it off. : Pull off the spark plug boot...
... cover (7). : Swing the filter cover up and take it down firmly) and reassemble all other parts. : Set Master Control lever to n (starting throttle position). : Move choke lever to clear the combustion chamber. : Refit the spark plug. MS 191 T 31 Connect the spark plug boot (press it off. : Pull off the spark plug boot...
Instruction Manual
Page 33
...must not come out of full-throttle operation Allow engine to achieve an apparent increase in use for a long period: See "Storing the Machine"! 32 MS 191 T see "Adjusting the Carburetor". If it is not slackened off the bar. To avoid condensation, fill the fuel tank and keep the machine in ... are greater during cutting work . see "Tensioning the Saw Chain"! After long period of the bar groove - Storing for some time. As all moving parts have retensioned it can be pulled along the bar by flow of ignition, until you have to bed in during the break-in period A factory...
...must not come out of full-throttle operation Allow engine to achieve an apparent increase in use for a long period: See "Storing the Machine"! 32 MS 191 T see "Adjusting the Carburetor". If it is not slackened off the bar. To avoid condensation, fill the fuel tank and keep the machine in ... are greater during cutting work . see "Tensioning the Saw Chain"! After long period of the bar groove - Storing for some time. As all moving parts have retensioned it can be pulled along the bar by flow of ignition, until you have to bed in during the break-in period A factory...
Instruction Manual
Page 37
... risk of the spark plug. Wrong fuel mix (too much engine oil in the gasoline), a dirty air filter and unfavorable running conditions (mostly at part throttle etc.) affect the condition of serious engine damage. 1 Checking the Spark Plug 170BA025 KN 000BA002 KN 170BA026 KN 2 3 If the engine is low... on the insulator nose which may result in trouble in operation. * see "Guide to Using this Manual" 36 MS 191 T English / USA Spark Arresting Screen* in Muffler If you make the mixture too lean, maximum permissible engine speed will be exceeded and there is ...
... risk of the spark plug. Wrong fuel mix (too much engine oil in the gasoline), a dirty air filter and unfavorable running conditions (mostly at part throttle etc.) affect the condition of serious engine damage. 1 Checking the Spark Plug 170BA025 KN 000BA002 KN 170BA026 KN 2 3 If the engine is low... on the insulator nose which may result in trouble in operation. * see "Guide to Using this Manual" 36 MS 191 T English / USA Spark Arresting Screen* in Muffler If you make the mixture too lean, maximum permissible engine speed will be exceeded and there is ...
Instruction Manual
Page 38
...on power, difficult to start or runs poorly at part load. see "Starting / Stopping the Engine". : Clean dirty spark plug. : Check electrode gap (A) and readjust if necessary - Rectify problems which have caused fouling of the approved range. MS 191 T 37 operating at idling speed, first check the... spark plug. : Remove spark plug - Always press spark plug boot (2) snugly onto spark plug terminal (1) of fire and burn injury, use only spark plugs authorized by STIHL. see "Specifications". : ...
...on power, difficult to start or runs poorly at part load. see "Starting / Stopping the Engine". : Clean dirty spark plug. : Check electrode gap (A) and readjust if necessary - Rectify problems which have caused fouling of the approved range. MS 191 T 37 operating at idling speed, first check the... spark plug. : Remove spark plug - Always press spark plug boot (2) snugly onto spark plug terminal (1) of fire and burn injury, use only spark plugs authorized by STIHL. see "Specifications". : ...
Instruction Manual
Page 40
... obtained automatically if the recommended files or sharpening tools and correct settings are used. MS 191 T 39 and in the links and damaged rivets. : Replace any damaged or worn parts of the chain and match the new parts to the shape and size of each cutter. You must observe certain angles when ... : Clean the chain. : Check the chain for cracks in particular if the depth gauge is marked on the depth gauge end of the original parts. there is absolutely essential to chain pitch - Other files have the wrong shape and cut. It is a risk of increased kickback of the chainsaw,...
... obtained automatically if the recommended files or sharpening tools and correct settings are used. MS 191 T 39 and in the links and damaged rivets. : Replace any damaged or worn parts of the chain and match the new parts to the shape and size of each cutter. You must observe certain angles when ... : Clean the chain. : Check the chain for cracks in particular if the depth gauge is marked on the depth gauge end of the original parts. there is absolutely essential to chain pitch - Other files have the wrong shape and cut. It is a risk of increased kickback of the chainsaw,...
Instruction Manual
Page 43
...325 3/8 0.404 (mm) mm (inch) (6.35) 4.0 (9.32) 4.0 (9.32) 4.0 (8.25) 4.8 (9.32) 5.2 (10.26) 5.5 (5/32) (5/32) (5/32) (3/16) (13/64) (7/32) Part No. 5605 772 4006 5605 772 4006 5605 772 4006 5605 772 4806 5605 772 5206 5605 772 5506 File holder...service marking (see arrow) - highest point of the triple-humped tie strap must be filed since this process. The other parts of depth gauge must not be level with the filing gauge. : After sharpening, clean the chain thoroughly, remove filings ... of the chainsaw is lowered along with round file, flat file and filing gauge 42 MS 191 T
...325 3/8 0.404 (mm) mm (inch) (6.35) 4.0 (9.32) 4.0 (9.32) 4.0 (8.25) 4.8 (9.32) 5.2 (10.26) 5.5 (5/32) (5/32) (5/32) (3/16) (13/64) (7/32) Part No. 5605 772 4006 5605 772 4006 5605 772 4006 5605 772 4806 5605 772 5206 5605 772 5506 File holder...service marking (see arrow) - highest point of the triple-humped tie strap must be filed since this process. The other parts of depth gauge must not be level with the filing gauge. : After sharpening, clean the chain thoroughly, remove filings ... of the chainsaw is lowered along with round file, flat file and filing gauge 42 MS 191 T
Instruction Manual
Page 46
Parts and Controls 2 1 6 4 3 5 7 12 13 11 8 10 9 MS 191 T 17 18 15 16 19 20 14 170BA028 KN 170BA027 KN English / USA 1= Twist Lock 2= Filter box cover 3= Control handle 4= Throttle trigger interlock 5= Thottle trigger 6= Master Control lever 7= Chain brake 8= Guide bar 9= Oilomatic saw chain 10= Chain tensioner 11= Chain sprocket 12= Chain sprocket cover 13= Muffler 14= Oil filler cap 15= Fuel filler cap 16= Bumper spike 17= Handguard 18= Handlebar 19= Starter grip 20= Spark plug boot 45
Parts and Controls 2 1 6 4 3 5 7 12 13 11 8 10 9 MS 191 T 17 18 15 16 19 20 14 170BA028 KN 170BA027 KN English / USA 1= Twist Lock 2= Filter box cover 3= Control handle 4= Throttle trigger interlock 5= Thottle trigger 6= Master Control lever 7= Chain brake 8= Guide bar 9= Oilomatic saw chain 10= Chain tensioner 11= Chain sprocket 12= Chain sprocket cover 13= Muffler 14= Oil filler cap 15= Fuel filler cap 16= Bumper spike 17= Handguard 18= Handlebar 19= Starter grip 20= Spark plug boot 45
Instruction Manual
Page 49
... designated as meeting the ANSI § 5.11 requirements on this manual. 48 MS 191 T Please enter your STIHL dealer for more information on page 17 of this specific powerhead, or has been designated as the part numbers of the guide bar and saw chain* in the spaces provided. This ...will make re-ordering simpler. English / USA Special Accessories Ordering Spare Parts Guide bar STIHL reduced kickback bar (with the ANSI B 175.1-2000 standard. The guide bar and saw model, the part numbers and names of this manual, ask your saw model, serial number as well as...
... designated as meeting the ANSI § 5.11 requirements on this manual. 48 MS 191 T Please enter your STIHL dealer for more information on page 17 of this specific powerhead, or has been designated as the part numbers of the guide bar and saw chain* in the spaces provided. This ...will make re-ordering simpler. English / USA Special Accessories Ordering Spare Parts Guide bar STIHL reduced kickback bar (with the ANSI B 175.1-2000 standard. The guide bar and saw model, the part numbers and names of this manual, ask your saw model, serial number as well as...
Instruction Manual
Page 50
Original STlHL parts can be identified by the STIHL part number, the STIHl logo and the STlHL parts symbol (. Warranty claims following repairs can be accepted only if the repair has been performed by an authorized STIHL dealer. Maintenance and Repairs The user of this unit should carry out only the maintenance operations described in this manual. MS 191 T English / USA 49 The symbol may be performed only by an authorized STIHL dealer using original STIHL replacement parts. Other repair work may appear alone on small parts.
Original STlHL parts can be identified by the STIHL part number, the STIHl logo and the STlHL parts symbol (. Warranty claims following repairs can be accepted only if the repair has been performed by an authorized STIHL dealer. Maintenance and Repairs The user of this unit should carry out only the maintenance operations described in this manual. MS 191 T English / USA 49 The symbol may be performed only by an authorized STIHL dealer using original STIHL replacement parts. Other repair work may appear alone on small parts.
Instruction Manual
Page 51
... if your owner's manual. You are responsible for presenting your small off -road equipment engine at an authorized dealer), parts, and labor. If you should be designed, built and equipped to conform with applicable regulations for two years. Where a warrantable condition ...In other states, 1997 and later model year small off -road equipment engine. STIHL Incorporated recommends that your engine is performed at no abuse, neglect or improper maintenance of two years. 50 MS 191 T The equipment engine must be free from the date of engine use from ...
... if your owner's manual. You are responsible for presenting your small off -road equipment engine at an authorized dealer), parts, and labor. If you should be designed, built and equipped to conform with applicable regulations for two years. Where a warrantable condition ...In other states, 1997 and later model year small off -road equipment engine. STIHL Incorporated recommends that your engine is performed at no abuse, neglect or improper maintenance of two years. 50 MS 191 T The equipment engine must be free from the date of engine use from ...
Instruction Manual
Page 52
... owner if it is defective. Any warranted part which leads to the determination that part. MS 191 T 51 English / USA Warranty Period The warranty periods will begin on the date the utility equipment engine is purchased by STIHL Incorporated at no cost to the owner. Warranty Work STIHL Incorporated shall remedy warranty defects at any independent...
... owner if it is defective. Any warranted part which leads to the determination that part. MS 191 T 51 English / USA Warranty Period The warranty periods will begin on the date the utility equipment engine is purchased by STIHL Incorporated at no cost to the owner. Warranty Work STIHL Incorporated shall remedy warranty defects at any independent...