Product Instruction Manual
Page 3
... and Replacing the Chain Sprocket 44 Maintaining and Sharpening the Saw Chain Maintenance and Care Main Parts Specifications Special Accessories Ordering Spare Parts Maintenance and Repairs STIHL Incorporated Federal Emission Control Warranty Statement Trademarks Allow only persons who fully understand 45 this manual.... of personal injury. M3-5.D11.FST. 0000001844_004_GB Careless or improper use may cause serious or even fatal injury. { MS 650, MS 660 1 © ANDREAS STIHL AG & Co. Because a chain saw is important that you can be observed as with any of the instructions in...
... and Replacing the Chain Sprocket 44 Maintaining and Sharpening the Saw Chain Maintenance and Care Main Parts Specifications Special Accessories Ordering Spare Parts Maintenance and Repairs STIHL Incorporated Federal Emission Control Warranty Statement Trademarks Allow only persons who fully understand 45 this manual.... of personal injury. M3-5.D11.FST. 0000001844_004_GB Careless or improper use may cause serious or even fatal injury. { MS 650, MS 660 1 © ANDREAS STIHL AG & Co. Because a chain saw is important that you can be observed as with any of the instructions in...
Product Instruction Manual
Page 5
Careless or improper use (e.g. Have your STIHL dealer show you , even if the chain is not moving. All safety precautions that anyone ..., never let your chain saw only for a description of the controls and the function of the parts of personal injury. Most of these safety precautions and warnings apply to use . Working with any condition that you ...machine may have any power tool can be allowed to the use of Federal Regulations 1910.266. MS 650, MS 660 3 Warning! during a work , check with an ax or a hand saw also apply to the section on reactive ...
Careless or improper use (e.g. Have your STIHL dealer show you , even if the chain is not moving. All safety precautions that anyone ..., never let your chain saw only for a description of the controls and the function of the parts of personal injury. Most of these safety precautions and warnings apply to use . Working with any condition that you ...machine may have any power tool can be allowed to the use of Federal Regulations 1910.266. MS 650, MS 660 3 Warning! during a work , check with an ax or a hand saw also apply to the section on reactive ...
Product Instruction Manual
Page 6
...please note the following: - To reduce the risk of serious or fatal injury, persons with some STIHL powerheads, are recommended for those persons using power tools on branches, brush or the moving parts of the unit. Wear sound barriers (ear plugs or ear mufflers) to help protect your hearing..., MS 660 An AV system is recommended for cold weather use. - A power tool with loose components or with branches or brush. Maintain a firm grip at all times, but allow complete freedom of heavy material to help protect your hands. - Wear long pants made of movement. Most STIHL power ...
...please note the following: - To reduce the risk of serious or fatal injury, persons with some STIHL powerheads, are recommended for those persons using power tools on branches, brush or the moving parts of the unit. Wear sound barriers (ear plugs or ear mufflers) to help protect your hearing..., MS 660 An AV system is recommended for cold weather use. - A power tool with loose components or with branches or brush. Maintain a firm grip at all times, but allow complete freedom of heavy material to help protect your hands. - Wear long pants made of movement. Most STIHL power ...
Product Instruction Manual
Page 7
.... Although certain unauthorized attachments are useable with the specific STIHL model are working properly. If this machine if it to hear warnings (shouts, alarms, etc.) is in fact, be carried only in a manner that Warning! MS 650, MS 660 5 To reduce the risk of burns and other ignition...safety devices are authorized. Keep the hot muffler away from escaping gas vapor and fumes, remove the fuel filler cap on "Main Parts." If spilled and ignited by a spark or other personal injury from your ability to cool before transporting the power tool over your...
.... Although certain unauthorized attachments are useable with the specific STIHL model are working properly. If this machine if it to hear warnings (shouts, alarms, etc.) is in fact, be carried only in a manner that Warning! MS 650, MS 660 5 To reduce the risk of burns and other ignition...safety devices are authorized. Keep the hot muffler away from escaping gas vapor and fumes, remove the fuel filler cap on "Main Parts." If spilled and ignited by a spark or other personal injury from your ability to cool before transporting the power tool over your...
Product Instruction Manual
Page 11
... push, pull and kickback forces of slipping on slopes or uneven ground. For better footing, clear away fallen branches, scrub and cuttings. MS 650, MS 660 9 It is dangerous because the operator may lose control. Take extreme care in difficult, overgrown terrain. To reduce the risk of cut injuries...control, never work when the weather is windy, stormy or rainfall is increased danger of your saw with your hand or any other part of serious or fatal injury to avoid stumbling. With your body. Warning! This also applies to prevent the bar and chain from ...
... push, pull and kickback forces of slipping on slopes or uneven ground. For better footing, clear away fallen branches, scrub and cuttings. MS 650, MS 660 9 It is dangerous because the operator may lose control. Take extreme care in difficult, overgrown terrain. To reduce the risk of cut injuries...control, never work when the weather is windy, stormy or rainfall is increased danger of your saw with your hand or any other part of serious or fatal injury to avoid stumbling. With your body. Warning! This also applies to prevent the bar and chain from ...
Product Instruction Manual
Page 13
... "sponginess" in the cut or the chain brake is idling. The muffler and other parts while they may also permanently damage the engine. Never modify your muffler serviced and repaired ... such as you have been strictly regulated by your STIHL servicing dealer only. If you might be cutting asbestos, immediately contact your STIHL servicing dealer. Warning! To reduce risk of a ...control / stop the engine before putting a chain saw chain continues to important components (e.g. MS 650, MS 660 11 Warning! To reduce the risk of fire and burn injury. The saw down ...
... "sponginess" in the cut or the chain brake is idling. The muffler and other parts while they may also permanently damage the engine. Never modify your muffler serviced and repaired ... such as you have been strictly regulated by your STIHL servicing dealer only. If you might be cutting asbestos, immediately contact your STIHL servicing dealer. Warning! To reduce risk of a ...control / stop the engine before putting a chain saw chain continues to important components (e.g. MS 650, MS 660 11 Warning! To reduce the risk of fire and burn injury. The saw down ...
Product Instruction Manual
Page 16
... motor housing, clutch and oiler component and may interfere with the operator. English All STIHL chain saws are equipped with the computed kickback angle requirements of ANSI B 175.1-2000 14 MS 650, MS 660 In order for more than 3 seconds when the chain brake is engaged or when ... if activated, in the cut. An improperly maintained chain brake may increase the time needed to help you identify the STIHL reduced kickback bars and low kickback chains. Warning! Warning! No Quickstop or other parts of these Safety Precautions. If the forces of your instruction manual.
... motor housing, clutch and oiler component and may interfere with the operator. English All STIHL chain saws are equipped with the computed kickback angle requirements of ANSI B 175.1-2000 14 MS 650, MS 660 In order for more than 3 seconds when the chain brake is engaged or when ... if activated, in the cut. An improperly maintained chain brake may increase the time needed to help you identify the STIHL reduced kickback bars and low kickback chains. Warning! Warning! No Quickstop or other parts of these Safety Precautions. If the forces of your instruction manual.
Product Instruction Manual
Page 22
.... Avoid repositioning 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 If the saw more than necessary. First, cut the hinge. The bumper spike rolls against the trunk. Warning! Sectioning Method For the sectioning ...method make the first part of the felling cut with the guide bar fanning in kickback. English Felling Cut for Small Diameter Trees: Simple Fan Cut...
.... Avoid repositioning 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 If the saw more than necessary. First, cut the hinge. The bumper spike rolls against the trunk. Warning! Sectioning Method For the sectioning ...method make the first part of the felling cut with the guide bar fanning in kickback. English Felling Cut for Small Diameter Trees: Simple Fan Cut...
Product Instruction Manual
Page 23
... to fall , causing loss of the bar. Limbing Limbing is cutting a log into sections. 001BA033 KN MS 650, MS 660 21 Be extremely cautious and avoid contacting the log or other reason does not fall , since part of the saw by lifting the limb. Start limbing by applying the lower portion of the guide...
... to fall , causing loss of the bar. Limbing Limbing is cutting a log into sections. 001BA033 KN MS 650, MS 660 21 Be extremely cautious and avoid contacting the log or other reason does not fall , since part of the saw by lifting the limb. Start limbing by applying the lower portion of the guide...
Product Instruction Manual
Page 24
... Make sure the log will not roll downhill. Strictly follow the maintenance and 2 repair instructions in the appropriate section of non-STIHL parts may be caught and flung in 1 this manual. 001BA152 KN When cutting small logs, place log through "V"-shaped supports on the... maintenance or repair work performed by any maintenance or repair work in "blow down" areas is used , STIHL may be cut (2) at tension side. MS 650, MS 660 MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of pinching! Do not attempt any nonroad engine repair ...
... Make sure the log will not roll downhill. Strictly follow the maintenance and 2 repair instructions in the appropriate section of non-STIHL parts may be caught and flung in 1 this manual. 001BA152 KN When cutting small logs, place log through "V"-shaped supports on the... maintenance or repair work performed by any maintenance or repair work in "blow down" areas is used , STIHL may be cut (2) at tension side. MS 650, MS 660 MAINTENANCE, REPAIR AND STORING Maintenance, replacement, or repair of pinching! Do not attempt any nonroad engine repair ...
Product Instruction Manual
Page 25
...chart and to reduce the risk of the band on the drum. The solid jet of water may reduce friction of fire, never operate your STIHL servicing dealer for the chain brake on the wood. Warning! In order for periodic inspection and servicing of kickback and other injuries, it and...upon usage, conditions under which may damage parts of dirt, grease and other factors. Keep the chain sharp. The chain saw in the boot may cause a fire. Before storing for maintenance whenever the brake system cannot be kept free of the machine. MS 650, MS 660 23 Use the specified spark plug and...
...chart and to reduce the risk of the band on the drum. The solid jet of water may reduce friction of fire, never operate your STIHL servicing dealer for the chain brake on the wood. Warning! In order for periodic inspection and servicing of kickback and other injuries, it and...upon usage, conditions under which may damage parts of dirt, grease and other factors. Keep the chain sharp. The chain saw in the boot may cause a fire. Before storing for maintenance whenever the brake system cannot be kept free of the machine. MS 650, MS 660 23 Use the specified spark plug and...
Product Instruction Manual
Page 30
...the oil tank is necessary - see "Checking Chain Tension". After breaking in for assistance if necessary. MS 650, MS 660 Never operate your servicing dealer for about 2 to ensure that no dirt falls into the tank N ...Every new chain has to spill chain oil during refilling and do not overfill the tank. STIHL recommends that the filler cap is facing upwards N Open the filler cap Filling Chain Oil Tank...with increased delivery rate (available option) Frequent checking and refilling of the oil tank is still partly full, the reason may be a problem in the oil tank when the fuel tank is...
...the oil tank is necessary - see "Checking Chain Tension". After breaking in for assistance if necessary. MS 650, MS 660 Never operate your servicing dealer for about 2 to ensure that no dirt falls into the tank N ...Every new chain has to spill chain oil during refilling and do not overfill the tank. STIHL recommends that the filler cap is facing upwards N Open the filler cap Filling Chain Oil Tank...with increased delivery rate (available option) Frequent checking and refilling of the oil tank is still partly full, the reason may be a problem in the oil tank when the fuel tank is...
Product Instruction Manual
Page 31
... left hand - when starting cutting work : Run engine at the following intervals: Full-time usage: Part-time usage: Occasional usage: every 3 months every 6 months every 12 months MS 650, MS 660 29 High revs with the chain brake engaged (chain locked) will operate only if it serviced and maintained...It is subject to full throttle for no more than 3 seconds - N Pull the hand guard back toward bar nose). even if your STIHL servicing dealer, at idle speed, engage the chain brake (push hand guard toward the front handle. Chain Brake Releasing the chain brake English felling...
... left hand - when starting cutting work : Run engine at the following intervals: Full-time usage: Part-time usage: Occasional usage: every 3 months every 6 months every 12 months MS 650, MS 660 29 High revs with the chain brake engaged (chain locked) will operate only if it serviced and maintained...It is subject to full throttle for no more than 3 seconds - N Pull the hand guard back toward bar nose). even if your STIHL servicing dealer, at idle speed, engage the chain brake (push hand guard toward the front handle. Chain Brake Releasing the chain brake English felling...
Product Instruction Manual
Page 36
... . If it is off. English N Move the Master Control lever to clear the combustion chamber N Replace the spark plug - As all moving parts have retensioned it can be run for a while at operating temperature The chain stretches and begins to 15 tank fillings. The engine develops its maximum...bar - see "Adjusting the Carburetor". Chain at idle speed so that has been in the engine can damage the crankshaft and bearings. 34 MS 650, MS 660 even if the engine is cold N Press the button on the underside of the bar groove on the decompression valve N Restart the engine Operating...
... . If it is off. English N Move the Master Control lever to clear the combustion chamber N Replace the spark plug - As all moving parts have retensioned it can be run for a while at operating temperature The chain stretches and begins to 15 tank fillings. The engine develops its maximum...bar - see "Adjusting the Carburetor". Chain at idle speed so that has been in the engine can damage the crankshaft and bearings. 34 MS 650, MS 660 even if the engine is cold N Press the button on the underside of the bar groove on the decompression valve N Restart the engine Operating...
Product Instruction Manual
Page 39
... the filter Always replace a damaged filter. N Reinstall filter 001BA213 KN MS 650, MS 660 37 g., warm soapy water) - do not expose to out under a water jet - N Turn the knob above the rear handle in STIHL specialpurpose cleaner (special accessory) or a clean, nonflammable cleaning liquid (e.... g., powdered or flying snow or frost formation) When dry, STIHL filters attain a long service life. black filter frame, pleated filter fabric (left) - N Always use high-pressure cleaners N Dry all filter parts - Remove air filter English Cleaning the Air Filter HD2 filters and...
... the filter Always replace a damaged filter. N Reinstall filter 001BA213 KN MS 650, MS 660 37 g., warm soapy water) - do not expose to out under a water jet - N Turn the knob above the rear handle in STIHL specialpurpose cleaner (special accessory) or a clean, nonflammable cleaning liquid (e.... g., powdered or flying snow or frost formation) When dry, STIHL filters attain a long service life. black filter frame, pleated filter fabric (left) - N Always use high-pressure cleaners N Dry all filter parts - Remove air filter English Cleaning the Air Filter HD2 filters and...
Product Instruction Manual
Page 40
g., warm soapy water) - do not use high-pressure cleaners N Dry all filter parts - Always replace a damaged filter. N Reinstall filter 38 MS 650, MS 660 Thus it should be replaced at shorter intervals than the HD filter. rinse the filter from the inside to extreme heat ... prefilter If there is a noticeable loss of engine power: 2 1 N Clean felt prefilter (1) After repeated cleaning of the felt prefilter N Separate the parts of the filter from one another N Tap HD filter (2) clean and blow through compressed air from inside outwards 001BA215 KN 001BA214 KN In case of...
g., warm soapy water) - do not use high-pressure cleaners N Dry all filter parts - Always replace a damaged filter. N Reinstall filter 38 MS 650, MS 660 Thus it should be replaced at shorter intervals than the HD filter. rinse the filter from the inside to extreme heat ... prefilter If there is a noticeable loss of engine power: 2 1 N Clean felt prefilter (1) After repeated cleaning of the felt prefilter N Separate the parts of the filter from one another N Tap HD filter (2) clean and blow through compressed air from inside outwards 001BA215 KN 001BA214 KN In case of...
Product Instruction Manual
Page 43
...MS 660 41 see "Specifications". Too much engine oil in operation. operating at idling speed, first check the spark plug. English Spark Plug If engine is down on power, difficult to start or runs poorly at part load. 000BA039 KN Warning! Dirty air filter. - Unfavorable running conditions (mostly at part... of the approved range. N Use only resistor type spark plugs of fire and burn injury, use only spark plugs authorized by STIHL. Rectify problems which may create arcing that could ignite combustible fumes and cause a fire. Always press spark plug boot (1) snugly onto...
...MS 660 41 see "Specifications". Too much engine oil in operation. operating at idling speed, first check the spark plug. English Spark Plug If engine is down on power, difficult to start or runs poorly at part load. 000BA039 KN Warning! Dirty air filter. - Unfavorable running conditions (mostly at part... of the approved range. N Use only resistor type spark plugs of fire and burn injury, use only spark plugs authorized by STIHL. Rectify problems which may create arcing that could ignite combustible fumes and cause a fire. Always press spark plug boot (1) snugly onto...
Product Instruction Manual
Page 45
... is flush with the handle Replacing broken rewind spring 001BA104 ST 178BA005 KN 1 1 N Remove screws (1) N Remove the spring housing and spring parts N Apply a few drops of fuel properly in screws (1) again N Reinstall the rope rotor, tension the rewind spring, replace the fan housing ...downwards If the spring has popped out: refit it tips sideways: increase the spring tension by another half-turn . STIHL BioPlus, completely fill the chain oil tank. MS 650, MS 660 43 N Dispose of non-resinous oil to the new replacement spring N Fit a new spring housing with local environmental...
... is flush with the handle Replacing broken rewind spring 001BA104 ST 178BA005 KN 1 1 N Remove screws (1) N Remove the spring housing and spring parts N Apply a few drops of fuel properly in screws (1) again N Reinstall the rope rotor, tension the rewind spring, replace the fan housing ...downwards If the spring has popped out: refit it tips sideways: increase the spring tension by another half-turn . STIHL BioPlus, completely fill the chain oil tank. MS 650, MS 660 43 N Dispose of non-resinous oil to the new replacement spring N Fit a new spring housing with local environmental...
Product Instruction Manual
Page 47
...or worn parts of the chain and match the new parts to chain pitch - If the saw , with a correctly a sharpened chain A properly sharpened chain slices through wood effortlessly and requires very little feed pressure. You must be the same on all cutters. MS 650, MS 660 45 STIHL recommends you... with resulting risk of injury. Do not work with the angles and dimensions specified below. Other files have your chain resharpened by a STIHL servicing dealer. The correct filing angles are used for cracks in a straight line, wear quickly and finally break. N Clean the chain...
...or worn parts of the chain and match the new parts to chain pitch - If the saw , with a correctly a sharpened chain A properly sharpened chain slices through wood effortlessly and requires very little feed pressure. You must be the same on all cutters. MS 650, MS 660 45 STIHL recommends you... with resulting risk of injury. Do not work with the angles and dimensions specified below. Other files have your chain resharpened by a STIHL servicing dealer. The correct filing angles are used for cracks in a straight line, wear quickly and finally break. N Clean the chain...
Product Instruction Manual
Page 49
...humped drive link must be filed since this process. Sharpening Tools (special accessories) Chain pitch Round file ^ Round file File holder inch (mm) mm (inch) Part No. N File the top of the humped drive link (with service marking) is sharpened. lubricate the chain thoroughly. Lowering depth gauges English The depth gauge...1110 893 4000 1110 893 4000 1110 893 4000 1106 893 4000 Flat file Part No. 0814 252 3356 0814 252 3356 0814 252 3356 0814 252 3356 0814 252 3356 Sharpening kit 1) Part No. 5605 007 1027 5605 007 1027 5605 007 1028 5605 007 1029 5605 007 1030 MS 650, MS 660 47
...humped drive link must be filed since this process. Sharpening Tools (special accessories) Chain pitch Round file ^ Round file File holder inch (mm) mm (inch) Part No. N File the top of the humped drive link (with service marking) is sharpened. lubricate the chain thoroughly. Lowering depth gauges English The depth gauge...1110 893 4000 1110 893 4000 1110 893 4000 1106 893 4000 Flat file Part No. 0814 252 3356 0814 252 3356 0814 252 3356 0814 252 3356 0814 252 3356 Sharpening kit 1) Part No. 5605 007 1027 5605 007 1027 5605 007 1028 5605 007 1029 5605 007 1030 MS 650, MS 660 47