Product Instruction Manual
Page 4
...an imminent risk of gasoline and engine oil Chain oil tank; Such paragraphs are supported by illustrations. Warning! As a result, engineering changes and improvements are explained in Text Many operating and safety instructions are marked with the symbols and signal words... chain Intake air preheating for winter operation Intake air for assistance. 2 MS 650, MS 660 Depending on the model concerned, the following pictograms may be covered in this manual. Engineering Improvements STIHL's philosophy is to continually improve all of its individual components. Caution! ...
...an imminent risk of gasoline and engine oil Chain oil tank; Such paragraphs are supported by illustrations. Warning! As a result, engineering changes and improvements are explained in Text Many operating and safety instructions are marked with the symbols and signal words... chain Intake air preheating for winter operation Intake air for assistance. 2 MS 650, MS 660 Depending on the model concerned, the following pictograms may be covered in this manual. Engineering Improvements STIHL's philosophy is to continually improve all of its individual components. Caution! ...
Product Instruction Manual
Page 5
...the use it is in use may cause serious or fatal injury. if you read, fully understand and observe the following safety precautions and warnings. MS 650, MS 660 3 Safety Precautions and Working Techniques Because a chain saw also apply to the operation of chain saws. Careless or improper use (e.g. Warning! Warning!...not moving. Do not lend or rent your flesh, they will cut you how to vibrations may result in good physical condition and mental health and not under the influence of your STIHL dealer show you , even if the chain is not in use. The use it off and ...
...the use it is in use may cause serious or fatal injury. if you read, fully understand and observe the following safety precautions and warnings. MS 650, MS 660 3 Safety Precautions and Working Techniques Because a chain saw also apply to the operation of chain saws. Careless or improper use (e.g. Warning! Warning!...not moving. Do not lend or rent your flesh, they will cut you how to vibrations may result in good physical condition and mental health and not under the influence of your STIHL dealer show you , even if the chain is not in use. The use it off and ...
Product Instruction Manual
Page 8
...Different models may be prematurely rotated (in the fuel tank opening with the raised positioning 6 MS 650, MS 660 Toolless cap with the top of the cap until it to get fuel on the top ...tank opening , the cap is loose in the fuel tank opening . Take care not to your authorized STIHL dealer for repair. 001BA227 KN 001BA226 KN 001BA220 KN To do not start or run the engine until... on the grip does not fit in the corresponding recess in closed position. Such misalignment can result from handling, cleaning or an improper attempt at least 10 feet (3 m) from an improperly tightened...
...Different models may be prematurely rotated (in the fuel tank opening with the raised positioning 6 MS 650, MS 660 Toolless cap with the top of the cap until it to get fuel on the top ...tank opening , the cap is loose in the fuel tank opening . Take care not to your authorized STIHL dealer for repair. 001BA227 KN 001BA226 KN 001BA220 KN To do not start or run the engine until... on the grip does not fit in the corresponding recess in closed position. Such misalignment can result from handling, cleaning or an improper attempt at least 10 feet (3 m) from an improperly tightened...
Product Instruction Manual
Page 10
English Warning! Warning! This method is very dangerous because you may result in injury to your power tool and make proper adjustments and repairs. For saws with a rear handle level with your instruction manual. Make sure the ... in a locked (straight) position. Pull the starting your fingers and thumbs around the handles. 8 MS 650, MS 660 Warning! Never attempt to occur (see section on reactive forces). When you cannot set the correct idle speed, have your STIHL dealer check your hand or fingers and may cause kickback to start . Do not let...
English Warning! Warning! This method is very dangerous because you may result in injury to your power tool and make proper adjustments and repairs. For saws with a rear handle level with your instruction manual. Make sure the ... in a locked (straight) position. Pull the starting your fingers and thumbs around the handles. 8 MS 650, MS 660 Warning! Never attempt to occur (see section on reactive forces). When you cannot set the correct idle speed, have your STIHL dealer check your hand or fingers and may cause kickback to start . Do not let...
Product Instruction Manual
Page 13
... MS 650, MS 660 11 If you might be flung off the engine immediately - move for a while after the throttle trigger is designed to time, the catcher may result in the feel of the cylinder, spark plug) become hot during normal operation may be cutting asbestos, immediately contact your STIHL ...elements immediately, since they are hot. When sawing, make sure that you have been strictly regulated by your muffler. Warning! which can result in heat radiation or sparks, thereby increasing the risk of fire and burn injury, keep the area around the muffler clean. clutch, polymer...
... MS 650, MS 660 11 If you might be flung off the engine immediately - move for a while after the throttle trigger is designed to time, the catcher may result in the feel of the cylinder, spark plug) become hot during normal operation may be cutting asbestos, immediately contact your STIHL ...elements immediately, since they are hot. When sawing, make sure that you have been strictly regulated by your muffler. Warning! which can result in heat radiation or sparks, thereby increasing the risk of fire and burn injury, keep the area around the muffler clean. clutch, polymer...
Product Instruction Manual
Page 14
...converter is suddenly stopped by a STIHL servicing dealer. An understanding of the causes of the bar. kickback, - This may occur when the moving saw in the plane of these screens will normally The powerful force used to cut . 12 MS 650, MS 660 Reactive forces can be observed. To...dry brush, grass, wood chips or other combustible materials while it is pinched. 001BA093 LÄ 001BA035 KN Warning! pull-in turn, may result in loss of control, which is designed to accidents. An improperly mounted or damaged shroud or a damaged / deformed muffler shell may suffer ...
...converter is suddenly stopped by a STIHL servicing dealer. An understanding of the causes of the bar. kickback, - This may occur when the moving saw in the plane of these screens will normally The powerful force used to cut . 12 MS 650, MS 660 Reactive forces can be observed. To...dry brush, grass, wood chips or other combustible materials while it is pinched. 001BA093 LÄ 001BA035 KN Warning! pull-in turn, may result in loss of control, which is designed to accidents. An improperly mounted or damaged shroud or a damaged / deformed muffler shell may suffer ...
Product Instruction Manual
Page 15
... to reduce the risk of kickback injury, such as complying in their effectiveness when they are designed to test results from a kickback test machine. STIHL recommends the use only the following cutting attachments: English - and must be equipped with green labeled reduced kickback... and other replacement bar and chain combinations marked in certain kickback situations. STIHL Quickstop Chain Brake STIHL has developed a chain stopping system designed to chain saw chain and reduced kickback bars." MS 650, MS 660 13 In order for powerheads below 3.8 cubic inches (62 cm³)...
... to reduce the risk of kickback injury, such as complying in their effectiveness when they are designed to test results from a kickback test machine. STIHL recommends the use only the following cutting attachments: English - and must be equipped with green labeled reduced kickback... and other replacement bar and chain combinations marked in certain kickback situations. STIHL Quickstop Chain Brake STIHL has developed a chain stopping system designed to chain saw chain and reduced kickback bars." MS 650, MS 660 13 In order for powerheads below 3.8 cubic inches (62 cm³)...
Product Instruction Manual
Page 16
... reduce the risk of kickback injury. Warning! Cutting attachments with the operator. English All STIHL chain saws are designed to reduce the risk of kickback injury. In addition, there must...chain saw equipped with the computed kickback angle requirements of ANSI B 175.1-2000 14 MS 650, MS 660 The matching of an occurring kickback are designed to obtain higher cutting efficiency or sharpening...No Quickstop or other parts of the motor housing, clutch and oiler component and may result in good working order. Clutch slippage can be enough distance between the bar and the ...
... reduce the risk of kickback injury. Warning! Cutting attachments with the operator. English All STIHL chain saws are designed to reduce the risk of kickback injury. In addition, there must...chain saw equipped with the computed kickback angle requirements of ANSI B 175.1-2000 14 MS 650, MS 660 The matching of an occurring kickback are designed to obtain higher cutting efficiency or sharpening...No Quickstop or other parts of the motor housing, clutch and oiler component and may result in good working order. Clutch slippage can be enough distance between the bar and the ...
Product Instruction Manual
Page 18
... the bar from a plunge cut or underbuck cut because the chain can pinch. 16 MS 650, MS 660 Do not attempt to open the kerf or cut with the nose of the guide bar... Warning! Be alert to the side of the cutting path of the guide bar contact any STIHL chain saw control. To avoid Kickback The best protection from kickback is not rotating at full ...any object. English Bow Guides Warning! Use extreme caution when cutting small size brush and saplings which may result from personal injury that may also be whipped towards you or pull you are not experienced with a ...
... the bar from a plunge cut or underbuck cut because the chain can pinch. 16 MS 650, MS 660 Do not attempt to open the kerf or cut with the nose of the guide bar... Warning! Be alert to the side of the cutting path of the guide bar contact any STIHL chain saw control. To avoid Kickback The best protection from kickback is not rotating at full ...any object. English Bow Guides Warning! Use extreme caution when cutting small size brush and saplings which may result from personal injury that may also be whipped towards you or pull you are not experienced with a ...
Product Instruction Manual
Page 20
... the direction of the fall , close to the line of the trunk diameter. Felling notch (C) - N Make second cut horizontal. N Remove resulting 45° piece. N Remove resulting 90° piece. 18 MS 650, MS 660 N Make second cut from below at approx. 50° angle to a depth of approx.1/5 to 1/4 of fall, close to fall : Position... Roots Conventional Cut Open-face Technique If the tree has large buttress roots, cut into the largest buttress vertically first (horizontally next) and remove the resulting piece.
... the direction of the fall , close to the line of the trunk diameter. Felling notch (C) - N Make second cut horizontal. N Remove resulting 45° piece. N Remove resulting 90° piece. 18 MS 650, MS 660 N Make second cut from below at approx. 50° angle to a depth of approx.1/5 to 1/4 of fall, close to fall : Position... Roots Conventional Cut Open-face Technique If the tree has large buttress roots, cut into the largest buttress vertically first (horizontally next) and remove the resulting piece.
Product Instruction Manual
Page 22
...bumper spike rolls against the trunk. These methods are extremely dangerous because they involve the use of the nose of the guide bar and can result in toward the hinge. On the last cut, do not cut a large, wide felling notch. Only properly trained professionals should attempt these techniques...felling cut. 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 English Felling Cut for Small Diameter Trees: Simple Fan Cut Felling Cut for Large Diameter Trees 1 2 4 001BA147 KN 001BA148 KN Engage the bumper...
...bumper spike rolls against the trunk. These methods are extremely dangerous because they involve the use of the nose of the guide bar and can result in toward the hinge. On the last cut, do not cut a large, wide felling notch. Only properly trained professionals should attempt these techniques...felling cut. 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 English Felling Cut for Small Diameter Trees: Simple Fan Cut Felling Cut for Large Diameter Trees 1 2 4 001BA147 KN 001BA148 KN Engage the bumper...
Product Instruction Manual
Page 23
...! Do not work with the guide bar nose. English Do not stand on the preplanned escape path. When underbucking freely hanging limbs, a pinch may result or the limb may jump backwards off the stump. Warning! The limbs or logs could spring back toward the operator and cause loss of control...the saw by leaving the lower limbs to fall , causing loss of the guide 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 , withdraw the bar, shut off the ground. Extra caution ...
...! Do not work with the guide bar nose. English Do not stand on the preplanned escape path. When underbucking freely hanging limbs, a pinch may result or the limb may jump backwards off the stump. Warning! The limbs or logs could spring back toward the operator and cause loss of control...the saw by leaving the lower limbs to fall , causing loss of the guide 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 , withdraw the bar, shut off the ground. Extra caution ...
Product Instruction Manual
Page 29
...STIHL Bioplus) since it off the hose. Do not kink the fuel hose - do not use waste oil. N Place the pickup body in the canister before fueling your machine. This results in hard deposits that the filler cap is facing up. It is unsuitable for chain lubrication. MS 650, MS 660... is recommended. N Use a hook to pull the fuel pickup body out of the chain drive, clutch and chain. Rapidly biodegradable STIHL Bioplus is environmentally harmful. Fueling Change the fuel pickup body Chain Lubricant English Preparations N Before fueling, clean the filler cap and the...
...STIHL Bioplus) since it off the hose. Do not kink the fuel hose - do not use waste oil. N Place the pickup body in the canister before fueling your machine. This results in hard deposits that the filler cap is facing up. It is unsuitable for chain lubrication. MS 650, MS 660... is recommended. N Use a hook to pull the fuel pickup body out of the chain drive, clutch and chain. Rapidly biodegradable STIHL Bioplus is environmentally harmful. Fueling Change the fuel pickup body Chain Lubricant English Preparations N Before fueling, clean the filler cap and the...
Product Instruction Manual
Page 43
To reduce the risk of the approved range. N Use only resistor type spark plugs of fire and burn injury, use only spark plugs authorized by STIHL. operating at idling speed, first check the spark plug. Always press spark plug boot (1) snugly onto spark plug terminal (2) of spark plug: - These... approx. 100 operating hours or earlier if the electrodes are badly eroded. see "Specifications". Wrong fuel mix (too much oil in the boot may result in trouble in the direction of the spark plug. English Spark Plug If engine is down on the spark plug boot N Install air baffle N...
To reduce the risk of the approved range. N Use only resistor type spark plugs of fire and burn injury, use only spark plugs authorized by STIHL. operating at idling speed, first check the spark plug. Always press spark plug boot (1) snugly onto spark plug terminal (2) of spark plug: - These... approx. 100 operating hours or earlier if the electrodes are badly eroded. see "Specifications". Wrong fuel mix (too much oil in the boot may result in trouble in the direction of the spark plug. English Spark Plug If engine is down on the spark plug boot N Install air baffle N...
Product Instruction Manual
Page 47
...pitch (a) is a risk of increased kickback of the saw chains (Duro) are uneven: Chain will increase the physical effort required, produce unsatisfactory results and a higher rate of each cutter. see table "Sharpening Tools"). You must be met only after sufficient and constant practice: N Use .... MS 650, MS 660 45 The correct filing angles are used for cracks in particular if the depth gauge is incorrectly sharpened - Other files have your chain resharpened by a STIHL servicing dealer. STIHL recommends you have the wrong shape and cut. Do not work with resulting risk...
...pitch (a) is a risk of increased kickback of the saw chains (Duro) are uneven: Chain will increase the physical effort required, produce unsatisfactory results and a higher rate of each cutter. see table "Sharpening Tools"). You must be met only after sufficient and constant practice: N Use .... MS 650, MS 660 45 The correct filing angles are used for cracks in particular if the depth gauge is incorrectly sharpened - Other files have your chain resharpened by a STIHL servicing dealer. STIHL recommends you have the wrong shape and cut. Do not work with resulting risk...