Product Instruction Manual
Page 3
...do not understand any of the instructions in chapter "Safety 54 Precautions and Working Techniques" before using your STIHL chain saw is important that you read, understand and follow the safety precautions and 53 the operating and maintenance 53 ...STIHL Incorporated Federal Emission Control Warranty Statement Trademarks Allow only persons who fully understand 45 this manual to operate your chain saw. 48 To receive maximum performance and 50 satisfaction from your chain saw. Careless or improper use may cause serious or even fatal injury. { MS 650, MS 660 1 © ANDREAS STIHL...
...do not understand any of the instructions in chapter "Safety 54 Precautions and Working Techniques" before using your STIHL chain saw is important that you read, understand and follow the safety precautions and 53 the operating and maintenance 53 ...STIHL Incorporated Federal Emission Control Warranty Statement Trademarks Allow only persons who fully understand 45 this manual to operate your chain saw. 48 To receive maximum performance and 50 satisfaction from your chain saw. Careless or improper use may cause serious or even fatal injury. { MS 650, MS 660 1 © ANDREAS STIHL...
Product Instruction Manual
Page 5
...STIHL chain saws. The use it understands the information contained in personal injury or property damage, including damage to the machine Warning! Warning! Safe use of a chain saw also apply to use this machine when you have English different parts and controls. Warning! Prolonged use of chain saws. MS 650, MS 660... 3 It is not moving. All safety precautions that anyone using a chain saw for logging purposes, for instance, refer to the OSHA regulations for cutting...
...STIHL chain saws. The use it understands the information contained in personal injury or property damage, including damage to the machine Warning! Warning! Safe use of a chain saw also apply to use this machine when you have English different parts and controls. Warning! Prolonged use of chain saws. MS 650, MS 660... 3 It is not moving. All safety precautions that anyone using a chain saw for logging purposes, for instance, refer to the OSHA regulations for cutting...
Product Instruction Manual
Page 6
...to reduce the risk of heavy material to help protect your head. The ignition system of the STIHL unit produces an electromagnetic field of whitefinger disease and carpal tunnel syndrome, please note the following: -...STIHL powerheads, are recommended for those persons using power tools on some pacemakers. A dull chain will increase cutting time, and pressing a dull chain through wood will not sustain whitefinger disease or carpal tunnel syndrome. Heated handles, which contribute to reduce the risk of a very low intensity. Warning! Chain saw chain sharp. MS 650, MS 660...
...to reduce the risk of heavy material to help protect your head. The ignition system of the STIHL unit produces an electromagnetic field of whitefinger disease and carpal tunnel syndrome, please note the following: -...STIHL powerheads, are recommended for those persons using power tools on some pacemakers. A dull chain will increase cutting time, and pressing a dull chain through wood will not sustain whitefinger disease or carpal tunnel syndrome. Heated handles, which contribute to reduce the risk of a very low intensity. Warning! Chain saw chain sharp. MS 650, MS 660...
Product Instruction Manual
Page 9
... hand as securely as possible. The screwdriver end of the STIHL combination wrench or other in order to reduce the risk of fire and burn injuries, start the saw with the sprocket cover loose. Warning! Check chain tension once more after tensioning the chain in gauge and pitch. it is securely mounted on the... Warning! Proper tension of fuel. Start and operate your Instruction Manual for proper condition and operation. (See the maintenance chart near the end of injury. MS 650, MS 660 7
... hand as securely as possible. The screwdriver end of the STIHL combination wrench or other in order to reduce the risk of fire and burn injuries, start the saw with the sprocket cover loose. Warning! Check chain tension once more after tensioning the chain in gauge and pitch. it is securely mounted on the... Warning! Proper tension of fuel. Start and operate your Instruction Manual for proper condition and operation. (See the maintenance chart near the end of injury. MS 650, MS 660 7
Product Instruction Manual
Page 10
... (see the appropriate section of the saw firmly with the ground, put the toe of the chain saw tightly between your instruction manual. When you cannot set the correct idle speed, have your STIHL dealer check your fingers and thumbs around your chain saw . Do not let the grip snap... surface in a locked (straight) position. This method is running cutting tool, do not wrap the starter rope around the handles. 8 MS 650, MS 660 There are clear of control and / or contact with the running , immediately blip the throttle trigger, which will be engaged when starting your...
... (see the appropriate section of the saw firmly with the ground, put the toe of the chain saw tightly between your instruction manual. When you cannot set the correct idle speed, have your STIHL dealer check your fingers and thumbs around your chain saw . Do not let the grip snap... surface in a locked (straight) position. This method is running cutting tool, do not wrap the starter rope around the handles. 8 MS 650, MS 660 There are clear of control and / or contact with the running , immediately blip the throttle trigger, which will be engaged when starting your...
Product Instruction Manual
Page 11
...Warning! Warning! Never work , are properly secured (such as tree stumps, roots, rocks, holes and ditches to prevent the bar and chain from loss of control, never work when the weather is windy, stormy or rainfall is increased danger of injury from skating or bouncing along... of slipping on a ladder or any other insecure support. Warning! Watch for use the saw without losing control (see section on slopes or uneven ground. MS 650, MS 660 9 Even for those compact saws designed for hidden obstacles such as tackle and harness system or a lift bucket), have taken...
...Warning! Warning! Never work , are properly secured (such as tree stumps, roots, rocks, holes and ditches to prevent the bar and chain from loss of control, never work when the weather is windy, stormy or rainfall is increased danger of injury from skating or bouncing along... of slipping on a ladder or any other insecure support. Warning! Watch for use the saw without losing control (see section on slopes or uneven ground. MS 650, MS 660 9 Even for those compact saws designed for hidden obstacles such as tackle and harness system or a lift bucket), have taken...
Product Instruction Manual
Page 12
...fumes become concentrated. This includes wood dust, especially from hardwoods, but also from work area, even when starting. English Position the chain saw in such a way that your power tool only outdoors in a well ventilated area. Stand to insufficient ventilation, clear obstructions from ...toxic fumes, never run the machine indoors or in poorly ventilated locations. Keep within calling distance of dust encountered. 10 MS 650, MS 660 Substantial or repeated inhalation of dust cannot be colorless and odorless. When the inhalation of dust and other airborne contaminants,...
...fumes become concentrated. This includes wood dust, especially from hardwoods, but also from work area, even when starting. English Position the chain saw in such a way that your power tool only outdoors in a well ventilated area. Stand to insufficient ventilation, clear obstructions from ...toxic fumes, never run the machine indoors or in poorly ventilated locations. Keep within calling distance of dust encountered. 10 MS 650, MS 660 Substantial or repeated inhalation of dust cannot be colorless and odorless. When the inhalation of dust and other airborne contaminants,...
Product Instruction Manual
Page 13
...to slip continuously. This may be replaced, consult your STIHL servicing dealer. To reduce the risk of personal injury, do not operate a chain saw is not designed for more than a few seconds when the chain is pinched in heat radiation or sparks, thereby increasing ...missing chain catcher. You may be cutting asbestos, immediately contact your power tool using the starting throttle lock, as to kickback. Have your muffler serviced and repaired by OSHA and the Environmental Protection Agency. Warning! Inspect antivibration elements periodically. Warning! MS 650, MS 660 11...
...to slip continuously. This may be replaced, consult your STIHL servicing dealer. To reduce the risk of personal injury, do not operate a chain saw is not designed for more than a few seconds when the chain is pinched in heat radiation or sparks, thereby increasing ...missing chain catcher. You may be cutting asbestos, immediately contact your power tool using the starting throttle lock, as to kickback. Have your muffler serviced and repaired by OSHA and the Environmental Protection Agency. Warning! Inspect antivibration elements periodically. Warning! MS 650, MS 660 11...
Product Instruction Manual
Page 14
...reactive forces may occur, for example, when the chain near the upper quadrant of the catalytic converter. Due to cut . 12 MS 650, MS 660 Reactive Forces including Kickback Warning! Since a muffler ... the causes of control. The reaction of the cutting force of the bar. Some STIHL power tools are : - If you experience loss of performance and you avoid the ...muffler maintained by a chemical process in turn, may occur when the moving saw in . pushback, - Sudden surprise contributes to the chain movement. kickback, - This may interfere with a damaged or improperly mounted ...
...reactive forces may occur, for example, when the chain near the upper quadrant of the catalytic converter. Due to cut . 12 MS 650, MS 660 Reactive Forces including Kickback Warning! Since a muffler ... the causes of control. The reaction of the cutting force of the bar. Some STIHL power tools are : - If you experience loss of performance and you avoid the ...muffler maintained by a chemical process in turn, may occur when the moving saw in . pushback, - Sudden surprise contributes to the chain movement. kickback, - This may interfere with a damaged or improperly mounted ...
Product Instruction Manual
Page 15
... to actual kickback bar rotation angles that in real life cutting situations. MS 650, MS 660 13 The greater the force of the kickback reaction, the more difficult it becomes for the operator to chain saw kickback. STIHL recommends the use a saw . ANSI B 175.1-2000 chain saw kickback standard § 5.11 of injury, never use of the kickback reaction...
... to actual kickback bar rotation angles that in real life cutting situations. MS 650, MS 660 13 The greater the force of the kickback reaction, the more difficult it becomes for the operator to chain saw kickback. STIHL recommends the use a saw . ANSI B 175.1-2000 chain saw kickback standard § 5.11 of injury, never use of the kickback reaction...
Product Instruction Manual
Page 16
... designed to reduce the risk of kickback injury. Never operate your chain saw without hand contact. In addition, removal of ANSI B 175.1-2000 14 MS 650, MS 660 See the chapter of your body. Other chains are designed to obtain higher cutting efficiency or sharpening ease but may...an occurring kickback are sufficiently high, the hand guard is not turning at "Important Adjustments"). Warning! English All STIHL chain saws are equipped with a Quickstop chain brake which can cause excessive heat, leading to severe damage of the motor housing, clutch and oiler component and...
... designed to reduce the risk of kickback injury. Never operate your chain saw without hand contact. In addition, removal of ANSI B 175.1-2000 14 MS 650, MS 660 See the chapter of your body. Other chains are designed to obtain higher cutting efficiency or sharpening ease but may...an occurring kickback are sufficiently high, the hand guard is not turning at "Important Adjustments"). Warning! English All STIHL chain saws are equipped with a Quickstop chain brake which can cause excessive heat, leading to severe damage of the motor housing, clutch and oiler component and...
Product Instruction Manual
Page 17
... recommended for all safety precautions to properly match your STIHL dealer for dealing with STIHL green labeled low kickback chains. Warning! Warning! Warning! Low Kickback Chain Some types of saw powerhead. MS 650, MS 660 15 Products with yellow decals or labels are designed to reduce the risk of chain saws below 3.8 cubic inches (62 cm³) displacement specified in...
... recommended for all safety precautions to properly match your STIHL dealer for dealing with STIHL green labeled low kickback chains. Warning! Warning! Warning! Low Kickback Chain Some types of saw powerhead. MS 650, MS 660 15 Products with yellow decals or labels are designed to reduce the risk of chain saws below 3.8 cubic inches (62 cm³) displacement specified in...
Product Instruction Manual
Page 18
...reentering a previous cut above shoulder height. 6. The reaction of the guide bar contact any STIHL chain saw forward and may cause material to close and pinch the chain. 11. Be alert for cutting. Maintain saw when withdrawing the bar from kickback is used on the bottom of the guide bar. ... pinch. 16 MS 650, MS 660 Low kickback chain will not significantly reduce the risk of the guide bar nose at all times. 3. Be aware of the location of kickback injury when used for shifting of the chain saw equipped with the nose of the bar is potentially very dangerous. Do ...
...reentering a previous cut above shoulder height. 6. The reaction of the guide bar contact any STIHL chain saw forward and may cause material to close and pinch the chain. 11. Be alert for cutting. Maintain saw when withdrawing the bar from kickback is used on the bottom of the guide bar. ... pinch. 16 MS 650, MS 660 Low kickback chain will not significantly reduce the risk of the guide bar nose at all times. 3. Be aware of the location of kickback injury when used for shifting of the chain saw equipped with the nose of the bar is potentially very dangerous. Do ...
Product Instruction Manual
Page 22
... against the trunk. Warning! Then, using the bumper spike as the hinge. If the saw begins to pinch, insert a wedge to keep the guide bar fully engaged in the center of the notch. 20 MS 650, MS 660 Felling a tree that has a diameter greater than necessary. On the last cut, do ... Fan Cut Felling Cut for Large Diameter Trees 1 2 4 001BA147 KN 001BA148 KN Engage the bumper spikes of the chain saw directly behind the location of the intended hinge and pivot the saw around this point only as far as a pivot, reposition the saw for the next cut, keep the felling cut straight.
... against the trunk. Warning! Then, using the bumper spike as the hinge. If the saw begins to pinch, insert a wedge to keep the guide bar fully engaged in the center of the notch. 20 MS 650, MS 660 Felling a tree that has a diameter greater than necessary. On the last cut, do ... Fan Cut Felling Cut for Large Diameter Trees 1 2 4 001BA147 KN 001BA148 KN Engage the bumper spikes of the chain saw directly behind the location of the intended hinge and pivot the saw around this point only as far as a pivot, reposition the saw for the next cut, keep the felling cut straight.
Product Instruction Manual
Page 23
...professional. If you are poorly supported. Seek the help of the falling tree. Warning! If a pinch occurs, stop the engine and remove the saw by leaving the lower limbs to fall , causing loss of the trunk may split and come back towards the operator (barber-chairing), or the ...cutting a log into sections. 001BA033 KN MS 650, MS 660 21 Warning! The plunge cut is made with your saw, you may be injured. Be extremely cautious when cutting limbs or logs under tension (spring poles). Warning! Watch out for some other limbs with a chain saw, plunge-cutting should not be attempted. ...
...professional. If you are poorly supported. Seek the help of the falling tree. Warning! If a pinch occurs, stop the engine and remove the saw by leaving the lower limbs to fall , causing loss of the trunk may split and come back towards the operator (barber-chairing), or the ...cutting a log into sections. 001BA033 KN MS 650, MS 660 21 Warning! The plunge cut is made with your saw, you may be injured. Be extremely cautious when cutting limbs or logs under tension (spring poles). Warning! Watch out for some other limbs with a chain saw, plunge-cutting should not be attempted. ...
Product Instruction Manual
Page 25
... marks appear on your muffler was equipped with a pressure washer. MS 650, MS 660 23 Keep the chain sharp. every three months, Moderate usage - Warning! For the proper and effective operation of the chain brake, the brake band and clutch drum must be securely attached.)...machine with a spark-arresting screen to trained personnel such as your STIHL servicing dealer for the chain brake on the wood. You can render it inoperable. The chain saw in good condition. Store chain saw should be thoroughly cleaned or there is used and other injuries, ...
... marks appear on your muffler was equipped with a pressure washer. MS 650, MS 660 23 Keep the chain sharp. every three months, Moderate usage - Warning! For the proper and effective operation of the chain brake, the brake band and clutch drum must be securely attached.)...machine with a spark-arresting screen to trained personnel such as your STIHL servicing dealer for the chain brake on the wood. You can render it inoperable. The chain saw in good condition. Store chain saw should be thoroughly cleaned or there is used and other injuries, ...
Product Instruction Manual
Page 26
... the bar nose. 143BA003 KN 24 MS 650, MS 660 English Cutting Attachment STIHL is the only manufacturer in the industry to produce its own chain saws, guide bars, saw . Mounting the Bar and Chain Removing the chain sprocket cover 1 2 N Unscrew the nuts and take off the chain sprocket cover. 143BA034 KN Disengaging the chain brake. The cutting attachment that comes...
... the bar nose. 143BA003 KN 24 MS 650, MS 660 English Cutting Attachment STIHL is the only manufacturer in the industry to produce its own chain saws, guide bars, saw . Mounting the Bar and Chain Removing the chain sprocket cover 1 2 N Unscrew the nuts and take off the chain sprocket cover. 143BA034 KN Disengaging the chain brake. The cutting attachment that comes...
Product Instruction Manual
Page 28
...octane rating of the mid-grade gasoline in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, etc.). Use only STIHL two-stroke engine oil or equivalent high-quality two-stroke engine oils that you use in your vehicle and place...in approved fuel-canisters only. When filling at authorized disposal locations. 26 MS 650, MS 660 Fuel mix ages Only mix sufficient fuel for use only high-quality unleaded gasoline! When mixing, pour oil into the mixture. Gasoline Oil (STIHL 50:1 or equivalent high-quality oils) US gal. 1 2 1/2 5...
...octane rating of the mid-grade gasoline in both water cooled and air cooled engines (e.g., outboard motors, snowmobiles, chain saws, mopeds, etc.). Use only STIHL two-stroke engine oil or equivalent high-quality two-stroke engine oils that you use in your vehicle and place...in approved fuel-canisters only. When filling at authorized disposal locations. 26 MS 650, MS 660 Fuel mix ages Only mix sufficient fuel for use only high-quality unleaded gasoline! When mixing, pour oil into the mixture. Gasoline Oil (STIHL 50:1 or equivalent high-quality oils) US gal. 1 2 1/2 5...
Product Instruction Manual
Page 32
...cover plate (special accessory) on , set switch to F and to switch off, return switch to operating temperature at increased idle speed (disengage chain brake!) N If engine trouble occurs, first check whether use is impossible. Risk of the slits in the fan housing keeps out powdered or ...necessary Switching on the handle heating system (depending on equipment version) N To switch on the fan housing. N If the chain saw is maintenance-free. 137BA016 KN 30 MS 650, MS 660 N Replace the carburetor box cover and tighten the knob Air filter system N Retrofit new air filter if necessary - The ...
...cover plate (special accessory) on , set switch to F and to switch off, return switch to operating temperature at increased idle speed (disengage chain brake!) N If engine trouble occurs, first check whether use is impossible. Risk of the slits in the fan housing keeps out powdered or ...necessary Switching on the handle heating system (depending on equipment version) N To switch on the fan housing. N If the chain saw is maintenance-free. 137BA016 KN 30 MS 650, MS 660 N Replace the carburetor box cover and tighten the knob Air filter system N Retrofit new air filter if necessary - The ...
Product Instruction Manual
Page 33
...chain saw English There are two ways to cold start l, then push the Master Control lever into the warm start n - set it to hold down the throttle trigger lockout and throttle trigger simultaneously - thumb wrapped around the handlebar N Place your right foot through the rear handle MS 650, MS 660... ground N With the left hand on handlebar, press the chain saw securely on the ground - Position cold start l - if the engine stalls during starting - after starting . On the ground N Place the chain saw firmly against the ground - assume a steady stance - ignition...
...chain saw English There are two ways to cold start l, then push the Master Control lever into the warm start n - set it to hold down the throttle trigger lockout and throttle trigger simultaneously - thumb wrapped around the handlebar N Place your right foot through the rear handle MS 650, MS 660... ground N With the left hand on handlebar, press the chain saw securely on the ground - Position cold start l - if the engine stalls during starting - after starting . On the ground N Place the chain saw firmly against the ground - assume a steady stance - ignition...