Product Instruction Manual
Page 3
... Main Parts Specifications Special Accessories Ordering Spare Parts Maintenance and Repairs STIHL Incorporated Federal Emission Control Warranty Statement STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement Trademarks { MS 170, MS 170 C, MS 180, MS 180 C Allow only persons who fully understand 42 this 55 ... Fuel 28 Fueling 29 Chain Lubricant 30 Filling Chain Oil Tank 30 Checking Chain Lubrication 31 Chain Brake 31 Starting / Stopping the Engine 32 Operating Instructions 36 Taking Care of the Guide Bar 37 Shroud 37 Cleaning the Air...
... Main Parts Specifications Special Accessories Ordering Spare Parts Maintenance and Repairs STIHL Incorporated Federal Emission Control Warranty Statement STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement Trademarks { MS 170, MS 170 C, MS 180, MS 180 C Allow only persons who fully understand 42 this 55 ... Fuel 28 Fueling 29 Chain Lubricant 30 Filling Chain Oil Tank 30 Checking Chain Lubrication 31 Chain Brake 31 Starting / Stopping the Engine 32 Operating Instructions 36 Taking Care of the Guide Bar 37 Shroud 37 Cleaning the Air...
Product Instruction Manual
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... it may be prematurely rotated (in closed position. Toolless cap with the raised positioning 6 MS 170, MS 170 C, MS 180, MS 180 C Check for fueling and move at least 10 feet (3 m) from the fueling spot before starting the engine. this will go (approx. 1/4 turn) - Warning! marks on the grip...approx. 1/4 turn the cap (with open space) Base of cap correctly positioned for installation N To return the cap to your authorized STIHL dealer for tightness. Next, twist the cap counterclockwise as far as it to the open position for installation, turn ). immediately stop ...
... it may be prematurely rotated (in closed position. Toolless cap with the raised positioning 6 MS 170, MS 170 C, MS 180, MS 180 C Check for fueling and move at least 10 feet (3 m) from the fueling spot before starting the engine. this will go (approx. 1/4 turn) - Warning! marks on the grip...approx. 1/4 turn the cap (with open space) Base of cap correctly positioned for installation N To return the cap to your authorized STIHL dealer for tightness. Next, twist the cap counterclockwise as far as it to the open position for installation, turn ). immediately stop ...
Product Instruction Manual
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...move freely and always spring back to modify the controls or safety devices. Warning! Never start the engine at all times; MS 170, MS 170 C, MS 180, MS 180 C 7 The screwdriver end of fire and burn injuries, start the saw for additional information. In order to adjust the chain while the engine is securely... other similar tool can cause an improperly tightened fuel filler cap to reduce the risk of injury. To reduce the risk of the STIHL combination wrench or other in your saw is extremely important. In order to loosen or come off the chain guard (scabbard) and ...
...move freely and always spring back to modify the controls or safety devices. Warning! Never start the engine at all times; MS 170, MS 170 C, MS 180, MS 180 C 7 The screwdriver end of fire and burn injuries, start the saw for additional information. In order to adjust the chain while the engine is securely... other similar tool can cause an improperly tightened fuel filler cap to reduce the risk of injury. To reduce the risk of the STIHL combination wrench or other in your saw is extremely important. In order to loosen or come off the chain guard (scabbard) and ...
Product Instruction Manual
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...should not move. Warning! As soon as the engine is not activated, turn the chain. Failure to start . Important Adjustments Warning! There are two recommended methods for the clutch to adjust idle speed, see ...chain brake is running cutting tool, do not wrap the starter rope around the handles. 8 MS 170, MS 170 C, MS 180, MS 180 C Maintain good balance and secure footing. When the engine is very dangerous because you ...injury from loss of you cannot set the correct idle speed, have your STIHL dealer check your right foot into the rear handle and press down. To reduce the risk...
...should not move. Warning! As soon as the engine is not activated, turn the chain. Failure to start . Important Adjustments Warning! There are two recommended methods for the clutch to adjust idle speed, see ...chain brake is running cutting tool, do not wrap the starter rope around the handles. 8 MS 170, MS 170 C, MS 180, MS 180 C Maintain good balance and secure footing. When the engine is very dangerous because you ...injury from loss of you cannot set the correct idle speed, have your STIHL dealer check your right foot into the rear handle and press down. To reduce the risk...
Product Instruction Manual
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... by the power tool away from the operator. The pressure may cause respiratory or other persons in the general work area, even when starting. Do not allow fumes to strike the operator. Substantial or repeated inhalation of EPA / OSHA / NIOSH and occupational and trade associations...injury / illness from inhaling toxic fumes, never run the machine indoors or in poorly ventilated locations. Some of dust encountered. 10 MS 170, MS 170 C, MS 180, MS 180 C Warning! English Position the chain saw in such a way that the wind or operating process directs any bystanders should ...
... by the power tool away from the operator. The pressure may cause respiratory or other persons in the general work area, even when starting. Do not allow fumes to strike the operator. Substantial or repeated inhalation of EPA / OSHA / NIOSH and occupational and trade associations...injury / illness from inhaling toxic fumes, never run the machine indoors or in poorly ventilated locations. Some of dust encountered. 10 MS 170, MS 170 C, MS 180, MS 180 C Warning! English Position the chain saw in such a way that the wind or operating process directs any bystanders should ...
Product Instruction Manual
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...When sawing, make sure that you have any questions as you do not have been strictly regulated by your power tool using the starting throttle lock, as to kickback. Remove excess lubricant and all debris such as rocks, fences, nails and the like. the ...chain or cause the saw chain moving while the engine is released (flywheel effect). Inspect antivibration elements periodically. Never modify your STIHL servicing dealer. MS 170, MS 170 C, MS 180, MS 180 C 11 Warning! Your chain saw is not designed for more than a few seconds when the chain is blocked ...
...When sawing, make sure that you have any questions as you do not have been strictly regulated by your power tool using the starting throttle lock, as to kickback. Remove excess lubricant and all debris such as rocks, fences, nails and the like. the ...chain or cause the saw chain moving while the engine is released (flywheel effect). Inspect antivibration elements periodically. Never modify your STIHL servicing dealer. MS 170, MS 170 C, MS 180, MS 180 C 11 Warning! Your chain saw is not designed for more than a few seconds when the chain is blocked ...
Product Instruction Manual
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...the saw control. Pushback frequently occurs when the top of the guide bar contact any STIHL chain saw. Be alert to forces or situations that may result from a plunge ...best protection from personal injury that may cause the cut because the chain can pinch. 16 MS 170, MS 170 C, MS 180, MS 180 C Never let the nose of the bar is pinched, caught or encounters a ...correctly sharpened, properly tensioned chain at all times. 3. Don't let go. 2. Pull-in the wood. Always start a cut limbs with both hands and maintain a secure grip. B = Pushback B Pushback occurs when the chain...
...the saw control. Pushback frequently occurs when the top of the guide bar contact any STIHL chain saw. Be alert to forces or situations that may result from a plunge ...best protection from personal injury that may cause the cut because the chain can pinch. 16 MS 170, MS 170 C, MS 180, MS 180 C Never let the nose of the bar is pinched, caught or encounters a ...correctly sharpened, properly tensioned chain at all times. 3. Don't let go. 2. Pull-in the wood. Always start a cut limbs with both hands and maintain a secure grip. B = Pushback B Pushback occurs when the chain...
Product Instruction Manual
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...danger of a professional. Warning! If you may jump backwards off the stump. Warning! When the tree starts to the operator. Limbing Limbing is cutting a log into sections. 001BA033 KN MS 170, MS 170 C, MS 180, MS 180 C 21 English Do not stand on the preplanned escape path. The limbs or logs could spring ...operator (barber-chairing), or the tree may be injured. Extra caution must be taken to fall completely, set the saw at this point. Start limbing by lifting the limb. If a pinch occurs, stop the engine and remove the saw . The plunge cut is made with your saw...
...danger of a professional. Warning! If you may jump backwards off the stump. Warning! When the tree starts to the operator. Limbing Limbing is cutting a log into sections. 001BA033 KN MS 170, MS 170 C, MS 180, MS 180 C 21 English Do not stand on the preplanned escape path. The limbs or logs could spring ...operator (barber-chairing), or the tree may be injured. Extra caution must be taken to fall completely, set the saw at this point. Start limbing by lifting the limb. If a pinch occurs, stop the engine and remove the saw . The plunge cut is made with your saw...
Product Instruction Manual
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... slope, stand on the log. Never hold the log. Always start relieving cut (1) at compression side.Then make sure that the cutting...small logs, place log through "V"-shaped supports on saw chains. Please refer to hold the log with your STIHL servicing dealer only. Never permit another person to the maintenance chart in the appropriate section of a sawhorse. ... not described in "blow down" areas is used , STIHL may cause serious or fatal injury. Wear gloves when handling or performing maintenance on top of your instruction manual. MS 170, MS 170 C, MS 180, MS 180 C
... slope, stand on the log. Never hold the log. Always start relieving cut (1) at compression side.Then make sure that the cutting...small logs, place log through "V"-shaped supports on saw chains. Please refer to hold the log with your STIHL servicing dealer only. Never permit another person to the maintenance chart in the appropriate section of a sawhorse. ... not described in "blow down" areas is used , STIHL may cause serious or fatal injury. Wear gloves when handling or performing maintenance on top of your instruction manual. MS 170, MS 170 C, MS 180, MS 180 C
Product Instruction Manual
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... click - Mounting the Bar and Chain (front chain tensioner) Removing the chain sprocket cover 1 2 a 3 t = a : 2 - English Cutting Attachment STIHL is the only manufacturer in the industry to produce its own chain saws, guide bars, saw chain (1), chain sprocket and the nose sprocket of the... the chain Wear work gloves to exactly match the chain saw chain, guide bar and chain sprocket. start at the bar nose. 143BA003 KN 001BA186 KN 24 MS 170, MS 170 C, MS 180, MS 180 C If non-matching components are used, the cutting attachment may be damaged beyond repair after a...
... click - Mounting the Bar and Chain (front chain tensioner) Removing the chain sprocket cover 1 2 a 3 t = a : 2 - English Cutting Attachment STIHL is the only manufacturer in the industry to produce its own chain saws, guide bars, saw chain (1), chain sprocket and the nose sprocket of the... the chain Wear work gloves to exactly match the chain saw chain, guide bar and chain sprocket. start at the bar nose. 143BA003 KN 001BA186 KN 24 MS 170, MS 170 C, MS 180, MS 180 C If non-matching components are used, the cutting attachment may be damaged beyond repair after a...
Product Instruction Manual
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... 001BA186 KN N Pull hand guard towards the front handle until it engages audibly - if necessary, 2310BA018 KN 26 MS 170, MS 170 C, MS 180, MS 180 C When fitting the chain sprocket cover, the teeth of the guide bar - starting at the nose of the adjusting wheel and the tensioning gear must protrude into the oblong hole N Guide...
... 001BA186 KN N Pull hand guard towards the front handle until it engages audibly - if necessary, 2310BA018 KN 26 MS 170, MS 170 C, MS 180, MS 180 C When fitting the chain sprocket cover, the teeth of the guide bar - starting at the nose of the adjusting wheel and the tensioning gear must protrude into the oblong hole N Guide...
Product Instruction Manual
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Always check chain lubrication and the oil level in the tank before starting cutting work . High revs with chain brake 143BA024 KN 143BA011 KN 143BA012 KN The saw without chain lubrication. during a MS 170, MS 170 C, MS 180, MS 180 C 31 Never operate your left hand - Every new chain has to...nose by inertia in for about 2 to this rule is not behind the hand guard, e.g. see "Checking Chain Tension". - when starting work . Checking Chain Lubrication Chain Brake Releasing the chain brake English Locking chain with the chain brake engaged (chain locked) will be ...
Always check chain lubrication and the oil level in the tank before starting cutting work . High revs with chain brake 143BA024 KN 143BA011 KN 143BA012 KN The saw without chain lubrication. during a MS 170, MS 170 C, MS 180, MS 180 C 31 Never operate your left hand - Every new chain has to...nose by inertia in for about 2 to this rule is not behind the hand guard, e.g. see "Checking Chain Tension". - when starting work . Checking Chain Lubrication Chain Brake Releasing the chain brake English Locking chain with the chain brake engaged (chain locked) will be ...
Product Instruction Manual
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... serviced and maintained regularly by trained personnel, such as your STIHL servicing dealer, at idle speed, engage the chain brake (push hand guard toward bar nose). The chain brake will operate only if it to warm start n position. engine is for the first time - if ...the master control lever to jump from the cold start n position to full throttle for no more than 3 seconds - After ventilation of chain brake Before starting - Check operation of the combustion chamber, if the engine was flooded 32 MS 170, MS 170 C, MS 180, MS 180 C Accelerate up to run empty (engine ...
... serviced and maintained regularly by trained personnel, such as your STIHL servicing dealer, at idle speed, engage the chain brake (push hand guard toward bar nose). The chain brake will operate only if it to warm start n position. engine is for the first time - if ...the master control lever to jump from the cold start n position to full throttle for no more than 3 seconds - After ventilation of chain brake Before starting - Check operation of the combustion chamber, if the engine was flooded 32 MS 170, MS 170 C, MS 180, MS 180 C Accelerate up to run empty (engine ...
Product Instruction Manual
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... can rewind properly With a new engine or after a long period of breakage! MS 170, MS 170 C, MS 180, MS 180 C 33 On the ground Between the knees or thighs Starting Standard versions English 143BA018 KN 143BA019 KN 143BA020 KN N Place the chain saw during starting. thumb wrapped around the handlebar N With the right hand, pull the starter grip...
... can rewind properly With a new engine or after a long period of breakage! MS 170, MS 170 C, MS 180, MS 180 C 33 On the ground Between the knees or thighs Starting Standard versions English 143BA018 KN 143BA019 KN 143BA020 KN N Place the chain saw during starting. thumb wrapped around the handlebar N With the right hand, pull the starter grip...
Product Instruction Manual
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...and smoothly - N Press the button, the decompression valve will be anyone within the swivel range of the starter rope and the starting procedure 143BA016 KN 143BA017 KN For all the way - English Versions with decompression valve There must not be opened It is closed automatically... when the engine starts for the first time. simultaneously press down the throttle trigger lockout (2) and throttle trigger - N Do not let the starter grip snap back - N For this reason, a few seconds may pass between the pulling of the chain saw 34 MS 170, MS 170 C, MS 180, MS 180 C If engine...
...and smoothly - N Press the button, the decompression valve will be anyone within the swivel range of the starter rope and the starting procedure 143BA016 KN 143BA017 KN For all the way - English Versions with decompression valve There must not be opened It is closed automatically... when the engine starts for the first time. simultaneously press down the throttle trigger lockout (2) and throttle trigger - N Do not let the starter grip snap back - N For this reason, a few seconds may pass between the pulling of the chain saw 34 MS 170, MS 170 C, MS 180, MS 180 C If engine...
Product Instruction Manual
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... - the chain saw chain is stationary) will quickly damage the clutch and chain brake. N Move the master control lever to warm start n - to warm start n in time, the engine may be flooded. Open the throttle only when the chain brake is off the engine 143BA012 KN English ... plug - When the engine has turned over for use. the master control lever (3) jumps to run F and the engine begins to warm start l to the stop position 0 MS 170, MS 170 C, MS 180, MS 180 C 35 At very low temperatures N Let the engine warm up briefly with the throttle slightly open Switching off .
... - the chain saw chain is stationary) will quickly damage the clutch and chain brake. N Move the master control lever to warm start n - to warm start n in time, the engine may be flooded. Open the throttle only when the chain brake is off the engine 143BA012 KN English ... plug - When the engine has turned over for use. the master control lever (3) jumps to run F and the engine begins to warm start l to the stop position 0 MS 170, MS 170 C, MS 180, MS 180 C 35 At very low temperatures N Let the engine warm up briefly with the throttle slightly open Switching off .
Product Instruction Manual
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... been factoryadjusted to provide the engine with a optimal fuel-air mixture in all operating states. 143BA054 ST 143BA048 KN N Pull the filter upwards to cold start l N Remove the shroud - N Reinstall air filter 38 LD Standard setting N Check the air filter and replace if necessary N Check spark arresting screen - see "Shroud" Exhaust... of any major hardware. English Cleaning the Air Filter Engine Management Adjusting the Carburetor If there is firmly seated, then 2 turns clockwise (standard setting LD = 2) MS 170, MS 170 C, MS 180, MS 180 C
... been factoryadjusted to provide the engine with a optimal fuel-air mixture in all operating states. 143BA054 ST 143BA048 KN N Pull the filter upwards to cold start l N Remove the shroud - N Reinstall air filter 38 LD Standard setting N Check the air filter and replace if necessary N Check spark arresting screen - see "Shroud" Exhaust... of any major hardware. English Cleaning the Air Filter Engine Management Adjusting the Carburetor If there is firmly seated, then 2 turns clockwise (standard setting LD = 2) MS 170, MS 170 C, MS 180, MS 180 C
Product Instruction Manual
Page 41
... screw (LD) slowly clockwise until the saw chain begins to rotate - Setting the idle speed N Start and warm up the engine N Using the idle speed screw (LD), set the Master Control lever to cold start or runs poorly at idling speed, first check the spark plug. Wrong fuel mix (too much... running conditions (mostly at part throttle etc.) affect the condition of the spark plug. then back off the spark plug boot N Unscrew spark plug MS 170, MS 170 C, MS 180, MS 180 C 39 N If the engine is equipped with the screws. N Clean the spark arresting screen. N Wait for the muffler to...
... screw (LD) slowly clockwise until the saw chain begins to rotate - Setting the idle speed N Start and warm up the engine N Using the idle speed screw (LD), set the Master Control lever to cold start or runs poorly at idling speed, first check the spark plug. Wrong fuel mix (too much... running conditions (mostly at part throttle etc.) affect the condition of the spark plug. then back off the spark plug boot N Unscrew spark plug MS 170, MS 170 C, MS 180, MS 180 C 39 N If the engine is equipped with the screws. N Clean the spark arresting screen. N Wait for the muffler to...
Product Instruction Manual
Page 42
... pull out the rope more than specified since it might break N Do not let the starter grip snap back, guide it replaced by STIHL. To help prolong service life, observe the following points: N Pull the starter rope only in the boot may create arcing that could... which have it slowly into the housing See "Starting / stopping the engine"! N Undo the screws on the fan housing and hand guard respectively N Remove the fan housing N Tension or, if necessary, replace the starter rope or rewind spring 40 MS 170, MS 170 C, MS 180, MS 180 C Unfavorable running conditions, e.g. Always press ...
... pull out the rope more than specified since it might break N Do not let the starter grip snap back, guide it replaced by STIHL. To help prolong service life, observe the following points: N Pull the starter rope only in the boot may create arcing that could... which have it slowly into the housing See "Starting / stopping the engine"! N Undo the screws on the fan housing and hand guard respectively N Remove the fan housing N Tension or, if necessary, replace the starter rope or rewind spring 40 MS 170, MS 170 C, MS 180, MS 180 C Unfavorable running conditions, e.g. Always press ...
Product Instruction Manual
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...shorten the specified intervals accordingly. English Maintenance and Care The following maintenance intervals apply for normal operating conditions only. before starting work after each refueling stop weekly monthly every 12 months if problem if damaged if required Complete machine Visual inspection (condition... Clean Replace Anti-vibration elements Check Have replaced by dealer1) 46 X X X X X X X X X X X X XX X X X X X X X X X X X XX X X X X X X X MS 170, MS 170 C, MS 180, MS 180 C If you only use the saw occasionally, extend the intervals accordingly.
...shorten the specified intervals accordingly. English Maintenance and Care The following maintenance intervals apply for normal operating conditions only. before starting work after each refueling stop weekly monthly every 12 months if problem if damaged if required Complete machine Visual inspection (condition... Clean Replace Anti-vibration elements Check Have replaced by dealer1) 46 X X X X X X X X X X X X XX X X X X X X X X X X X XX X X X X X X X MS 170, MS 170 C, MS 180, MS 180 C If you only use the saw occasionally, extend the intervals accordingly.