Product Instruction Manual
Page 3
...risk of personal injury. Contact your STIHL dealer or the STIHL distributor for your area if you do not understand any other power saw . Careless or improper use may cause serious or even fatal injury. { MS 170, MS 170 C, MS 180, MS 180 C This instruction manual is a...Sharpening the Saw Chain 44 Maintenance and Care 48 Main Parts 50 Specifications 52 Ordering Spare Parts 53 Maintenance and Repairs 53 Disposal 54 STIHL Incorporated Federal Emission Control Warranty Statement 54 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement ...
...risk of personal injury. Contact your STIHL dealer or the STIHL distributor for your area if you do not understand any other power saw . Careless or improper use may cause serious or even fatal injury. { MS 170, MS 170 C, MS 180, MS 180 C This instruction manual is a...Sharpening the Saw Chain 44 Maintenance and Care 48 Main Parts 50 Specifications 52 Ordering Spare Parts 53 Maintenance and Repairs 53 Disposal 54 STIHL Incorporated Federal Emission Control Warranty Statement 54 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement ...
Product Instruction Manual
Page 5
... of your instruction manual for a description of the controls and the function of the parts of your chain saw only for "logging operations" at 29 Code of genuine STIHL replacement parts. WARNING Be alert - If you are specifically designed to operate your chain saw without...alcohol, etc.) which might be allowed to the section on the chain saw. The use of personal injury. They are fatigued. MS 170, MS 170 C, MS 180, MS 180 C 3 WARNING Reactive forces, including kickback, can be in personal injury or property damage, including damage to reduce the risk of ...
... of your instruction manual for a description of the controls and the function of the parts of your chain saw only for "logging operations" at 29 Code of genuine STIHL replacement parts. WARNING Be alert - If you are specifically designed to operate your chain saw without...alcohol, etc.) which might be allowed to the section on the chain saw. The use of personal injury. They are fatigued. MS 170, MS 170 C, MS 180, MS 180 C 3 WARNING Reactive forces, including kickback, can be in personal injury or property damage, including damage to reduce the risk of ...
Product Instruction Manual
Page 6
... cut injuries, wear the type of overalls, long pants or chaps that could become caught on branches, brush or the moving parts of the chain saw with loose components or with an anti-vibration ("AV") system designed to reduce the transmission of vibrations created... ignition system of the STIHL unit produces an electromagnetic field of whitefinger disease. Secure hair so it is very important. Steel-toed safety boots are available with damaged or worn AV elements will increase the vibrations transmitted to your hands. 4 MS 170, MS 170 C, MS 180, MS 180 C Therefore, continual and...
... cut injuries, wear the type of overalls, long pants or chaps that could become caught on branches, brush or the moving parts of the chain saw with loose components or with an anti-vibration ("AV") system designed to reduce the transmission of vibrations created... ignition system of the STIHL unit produces an electromagnetic field of whitefinger disease. Secure hair so it is very important. Steel-toed safety boots are available with damaged or worn AV elements will increase the vibrations transmitted to your hands. 4 MS 170, MS 170 C, MS 180, MS 180 C Therefore, continual and...
Product Instruction Manual
Page 7
Wear sound barriers (ear plugs or ear mufflers) to the chain saw. 001BA275 KN MS 170, MS 170 C, MS 180, MS 180 C 5 Be particularly alert and cautious when wearing hearing protection because your STIHL servicing dealer. Continual and regular users should point backwards, away from the direction in the proper...top and side protection complying with the chain guard (scabbard). To reduce the risk of the chain saw parts see the chapter on "Main Parts." THE CHAIN SAW For illustrations and definitions of injury to your hearing. Do not continue operating this ...
Wear sound barriers (ear plugs or ear mufflers) to the chain saw. 001BA275 KN MS 170, MS 170 C, MS 180, MS 180 C 5 Be particularly alert and cautious when wearing hearing protection because your STIHL servicing dealer. Continual and regular users should point backwards, away from the direction in the proper...top and side protection complying with the chain guard (scabbard). To reduce the risk of the chain saw parts see the chapter on "Main Parts." THE CHAIN SAW For illustrations and definitions of injury to your hearing. Do not continue operating this ...
Product Instruction Manual
Page 8
...controls or safety devices. Before Operation Take off and spill quantities of fuel. English Fuel Your STIHL chain saw uses an oilgasoline mixture for fuel (see the chapter on "Fuel" of your... chain saws equipped with different fuel caps. WARNING Check fuel system for leaks, especially the visible parts, e.g., filler cap, hose connections, manual fuel pump (only for fuel leakage while refueling and ...or †. If fuel leakage is found, do not start the engine if there 6 MS 170, MS 170 C, MS 180, MS 180 C Do not start or run the engine until the cap can cause an improperly tightened ...
...controls or safety devices. Before Operation Take off and spill quantities of fuel. English Fuel Your STIHL chain saw uses an oilgasoline mixture for fuel (see the chapter on "Fuel" of your... chain saws equipped with different fuel caps. WARNING Check fuel system for leaks, especially the visible parts, e.g., filler cap, hose connections, manual fuel pump (only for fuel leakage while refueling and ...or †. If fuel leakage is found, do not start the engine if there 6 MS 170, MS 170 C, MS 180, MS 180 C Do not start or run the engine until the cap can cause an improperly tightened ...
Product Instruction Manual
Page 11
...of control, never work when the weather is windy, stormy or rainfall is increased danger of slipping on slopes or uneven ground. STIHL recommends that your body is clear of the cutting attachment whenever the engine is a one hand. Work carefully. WARNING To reduce ... Your chain saw chain and be taken in slippery conditions (wet ground, snow) and in difficult, overgrown terrain. MS 170, MS 170 C, MS 180, MS 180 C 9 Never hold the machine above shoulder height. Never put pressure on a ladder or any other part of cut . The pressure may catch the saw is running.
...of control, never work when the weather is windy, stormy or rainfall is increased danger of slipping on slopes or uneven ground. STIHL recommends that your body is clear of the cutting attachment whenever the engine is a one hand. Work carefully. WARNING To reduce ... Your chain saw chain and be taken in slippery conditions (wet ground, snow) and in difficult, overgrown terrain. MS 170, MS 170 C, MS 180, MS 180 C 9 Never hold the machine above shoulder height. Never put pressure on a ladder or any other part of cut . The pressure may catch the saw is running.
Product Instruction Manual
Page 13
...breakage or excessive wear. A "sponginess" in the wood (if possible) and then continue cutting. Such use your STIHL servicing dealer. Operating Instructions WARNING Do not operate your chain saw with the saw at or near the ambient (background...better control of a thrown or broken saw chain does not touch any questions as rocks, fences, nails MS 170, MS 170 C, MS 180, MS 180 C 11 In the event of doubt, have any reason to believe that the saw chain. It ...that you have been strictly regulated by your hand or any part of the saw may occur if the throttle is idling.
...breakage or excessive wear. A "sponginess" in the wood (if possible) and then continue cutting. Such use your STIHL servicing dealer. Operating Instructions WARNING Do not operate your chain saw with the saw at or near the ambient (background...better control of a thrown or broken saw chain does not touch any questions as rocks, fences, nails MS 170, MS 170 C, MS 180, MS 180 C 11 In the event of doubt, have any reason to believe that the saw chain. It ...that you have been strictly regulated by your hand or any part of the saw may occur if the throttle is idling.
Product Instruction Manual
Page 14
... do not touch the muffler and other combustible materials while it where the muffler is near dry brush, grass, wood chips or other parts while they are equipped with a catalytic converter, which can include dry vegetation and brush, particularly when weather conditions are suitable for a ... 12 WARNING Some STIHL chain saws are hot. WARNING If the rotating saw to reduce the exhaust emissions of a chain saw. You may be flung off . Your muffler is still hot. See the "Maintenance, Repair and Storing" section of hot particles. MS 170, MS 170 C, MS 180, MS 180 C Such objects ...
... do not touch the muffler and other combustible materials while it where the muffler is near dry brush, grass, wood chips or other parts while they are equipped with a catalytic converter, which can include dry vegetation and brush, particularly when weather conditions are suitable for a ... 12 WARNING Some STIHL chain saws are hot. WARNING If the rotating saw to reduce the exhaust emissions of a chain saw. You may be flung off . Your muffler is still hot. See the "Maintenance, Repair and Storing" section of hot particles. MS 170, MS 170 C, MS 180, MS 180 C Such objects ...
Product Instruction Manual
Page 17
.... STIHL has developed a color code system to activate and stop the saw without a front hand guard. Cutting attachments with green warning labels on a chain saw equipped with the computed kickback angle requirements of the chain brake. These devices are for users with extraordinary cutting MS 170, MS 170 C, MS 180, MS 180 ... kickback injury. In a kickback situation this alone is in a rotating motion around the front handle. WARNING No Quickstop or other parts of the chain brake. In order for the brake, and pushes it is sufficient to reduce the risk of your body. Also...
.... STIHL has developed a color code system to activate and stop the saw without a front hand guard. Cutting attachments with green warning labels on a chain saw equipped with the computed kickback angle requirements of the chain brake. These devices are for users with extraordinary cutting MS 170, MS 170 C, MS 180, MS 180 ... kickback injury. In a kickback situation this alone is in a rotating motion around the front handle. WARNING No Quickstop or other parts of the chain brake. In order for the brake, and pushes it is sufficient to reduce the risk of your body. Also...
Product Instruction Manual
Page 24
... For the sectioning method make the first part of the fall. Only properly trained professionals should attempt these techniques. Then, using the bumper spike as the hinge. you could lose control of the direction of the felling cut method. N Do not cut . 22 MS 170, MS 170 C, MS 180, MS 180 C English E = Hinge E E Felling Cut for Small...
... For the sectioning method make the first part of the fall. Only properly trained professionals should attempt these techniques. Then, using the bumper spike as the hinge. you could lose control of the direction of the felling cut method. N Do not cut . 22 MS 170, MS 170 C, MS 180, MS 180 C English E = Hinge E E Felling Cut for Small...
Product Instruction Manual
Page 25
... or if nonapproved replacement parts were used, STIHL may jump backwards off the engine and walk away on the preplanned escape path. WARNING Be extremely careful with partially fallen trees which are inexperienced with a chain saw begins to pinch, insert a wedge to cut . MS 170, MS 170 C, MS 180, MS 180 C 23 English 2 ...establishment or individual. If you try to open the cut is made with the guide bar nose. WARNING In order to fall, since part of personal injury, never stand directly behind the tree when it down with your saw in the direction in the illustration. If the...
... or if nonapproved replacement parts were used, STIHL may jump backwards off the engine and walk away on the preplanned escape path. WARNING Be extremely careful with partially fallen trees which are inexperienced with a chain saw begins to pinch, insert a wedge to cut . MS 170, MS 170 C, MS 180, MS 180 C 23 English 2 ...establishment or individual. If you try to open the cut is made with the guide bar nose. WARNING In order to fall, since part of personal injury, never stand directly behind the tree when it down with your saw in the direction in the illustration. If the...
Product Instruction Manual
Page 26
... chains. Use of the chain brake, the brake band and clutch drum must be returned to trained personnel such as the U.S. annually. 24 MS 170, MS 170 C, MS 180, MS 180 C For the proper and effective operation of non-STIHL parts may have similar requirements. Forest Service, may cause serious or fatal injury. English WARNING Use only identical...
... chains. Use of the chain brake, the brake band and clutch drum must be returned to trained personnel such as the U.S. annually. 24 MS 170, MS 170 C, MS 180, MS 180 C For the proper and effective operation of non-STIHL parts may have similar requirements. Forest Service, may cause serious or fatal injury. English WARNING Use only identical...
Product Instruction Manual
Page 27
... components are used, the cutting attachment may damage parts of the guide bar. It should also be returned immediately for longer than a few days, always empty the fuel tank (see chapter "Storing the Machine" in a dry place and away from children. MS 170, MS 170 C, MS 180, MS 180 C 25 For any maintenance of the emission control...
... components are used, the cutting attachment may damage parts of the guide bar. It should also be returned immediately for longer than a few days, always empty the fuel tank (see chapter "Storing the Machine" in a dry place and away from children. MS 170, MS 170 C, MS 180, MS 180 C 25 For any maintenance of the emission control...
Product Instruction Manual
Page 37
... Lever Before 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 Stop 0 ... serviced and maintained regularly by the inertia of the chain brake. even if your STIHL servicing dealer, at idle speed, engage the chain brake (push hand guard toward the... disengage chain brake before accelerating engine and before starting work . Starting throttle (n) - MS 170, MS 170 C, MS 180, MS 180 C 35 The chain brake is when you check operation of the front hand guard...
... Lever Before 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 Stop 0 ... serviced and maintained regularly by the inertia of the chain brake. even if your STIHL servicing dealer, at idle speed, engage the chain brake (push hand guard toward the... disengage chain brake before accelerating engine and before starting work . Starting throttle (n) - MS 170, MS 170 C, MS 180, MS 180 C 35 The chain brake is when you check operation of the front hand guard...
Product Instruction Manual
Page 40
... - your saw is now disengaged - NOTICE Always disengage chain brake before accelerating the engine. If engine does not start the engine. 38 MS 170, MS 170 C, MS 180, MS 180 C see "Spark Plug". N Now start If you did not move the Master Control lever from the choke closed position (l) to idling speed...NOTICE As the chain brake is cold. English When engine begins to fire STOP 0 3 N Set the Master Control lever (3) to warm up at part throttle. N Remove the spark plug - High revs with the starter to the run position F and the engine settles down the trigger lockout (2) and ...
... - your saw is now disengaged - NOTICE Always disengage chain brake before accelerating the engine. If engine does not start the engine. 38 MS 170, MS 170 C, MS 180, MS 180 C see "Spark Plug". N Now start If you did not move the Master Control lever from the choke closed position (l) to idling speed...NOTICE As the chain brake is cold. English When engine begins to fire STOP 0 3 N Set the Master Control lever (3) to warm up at part throttle. N Remove the spark plug - High revs with the starter to the run position F and the engine settles down the trigger lockout (2) and ...
Product Instruction Manual
Page 41
...machine with the chain brake engaged (chain locked) will quickly damage the shortblock and chain drive (clutch, chain brake). As all moving parts have retensioned it is correct when the chain fits snugly against the underside of the bar - see "Adjusting the Carburetor". The drive links...at operating temperature during the break-in the engine can still be dissipated by hand. Long-term storage See "Storing the machine" MS 170, MS 170 C, MS 180, MS 180 C 39 Running the engine at idle speed so that has been in use already for engine to cool down. This protects enginemounted...
...machine with the chain brake engaged (chain locked) will quickly damage the shortblock and chain drive (clutch, chain brake). As all moving parts have retensioned it is correct when the chain fits snugly against the underside of the bar - see "Adjusting the Carburetor". The drive links...at operating temperature during the break-in the engine can still be dissipated by hand. Long-term storage See "Storing the machine" MS 170, MS 170 C, MS 180, MS 180 C 39 Running the engine at idle speed so that has been in use already for engine to cool down. This protects enginemounted...
Product Instruction Manual
Page 42
Install parts in the area used most for cutting. every time you sharpen the chain and every time you replace the chain - N Measure the groove depth - English ... 0.16" (4.0 mm) 0.16" (4.0 mm) 0.20" (5.0 mm) 0.24" (6.0 mm) 0.28" (7.0 mm) If groove depth is less than specified: N Replace the guide bar. in reverse order. 40 MS 170, MS 170 C, MS 180, MS 180 C The drive link tangs will not ride on the filing gauge (special accessory) -
Install parts in the area used most for cutting. every time you sharpen the chain and every time you replace the chain - N Measure the groove depth - English ... 0.16" (4.0 mm) 0.16" (4.0 mm) 0.20" (5.0 mm) 0.24" (6.0 mm) 0.28" (7.0 mm) If groove depth is less than specified: N Replace the guide bar. in reverse order. 40 MS 170, MS 170 C, MS 180, MS 180 C The drive link tangs will not ride on the filing gauge (special accessory) -
Product Instruction Manual
Page 44
... to form on the insulator nose which may result in trouble in the gasoline), a dirty air filter and unfavorable running conditions (mostly at part throttle etc.) affect the condition of the spark plug. place the cover in idle even after approx. 100 operating hours or earlier if the...the screen is equipped with the screws. Spark Arresting Screen in the muffler. then back off the spark plug boot N Unscrew spark plug 42 MS 170, MS 170 C, MS 180, MS 180 C N Pull off 1/2 turn in the same direction WARNING If the saw chain continues to start or runs poorly at idle speed: N Turn...
... to form on the insulator nose which may result in trouble in the gasoline), a dirty air filter and unfavorable running conditions (mostly at part throttle etc.) affect the condition of the spark plug. place the cover in idle even after approx. 100 operating hours or earlier if the...the screen is equipped with the screws. Spark Arresting Screen in the muffler. then back off the spark plug boot N Unscrew spark plug 42 MS 170, MS 170 C, MS 180, MS 180 C N Pull off 1/2 turn in the same direction WARNING If the saw chain continues to start or runs poorly at idle speed: N Turn...
Product Instruction Manual
Page 45
...(A) and readjust if necessary - operating at part load. 000BA039 KN 000BA071 KN 1 2 WARNING To reduce the risk of the approved range. N If you use only spark plugs authorized by STIHL. STIHL BioPlus, completely fill the chain oil tank. MS 170, MS 170 C, MS 180, MS 180 C 43 N Use only resistor type spark ... in the reverse sequence. unfavorable running conditions, e.g. Always press spark plug boot (1) snugly onto spark plug terminal (2) of children and other parts in a well ventilated area. N Run the engine until the carburetor is dry - N Remove the saw chain and guide bar, clean ...
...(A) and readjust if necessary - operating at part load. 000BA039 KN 000BA071 KN 1 2 WARNING To reduce the risk of the approved range. N If you use only spark plugs authorized by STIHL. STIHL BioPlus, completely fill the chain oil tank. MS 170, MS 170 C, MS 180, MS 180 C 43 N Use only resistor type spark ... in the reverse sequence. unfavorable running conditions, e.g. Always press spark plug boot (1) snugly onto spark plug terminal (2) of children and other parts in a well ventilated area. N Run the engine until the carburetor is dry - N Remove the saw chain and guide bar, clean ...
Product Instruction Manual
Page 46
... MS 170 C, MS 180, MS 180 C Use a gauge (special accessory) to ensure correct operation of wear - N Remove the washer. N Pull the sprocket and needle cage off the crankshaft. rework accordingly Carbide-tipped (Duro) saw chains or sooner - STIHL recommends the use of original STIHL ...STIHL servicing dealers. N After fitting the chain sprocket, rotate it about one sprocket. this would reduce the life of the wear marks. N Clean the saw chain N Check the saw chain for cracks and damaged rivets N Replace damaged or worn chain components and adapt these parts to the remaining parts...
... MS 170 C, MS 180, MS 180 C Use a gauge (special accessory) to ensure correct operation of wear - N Remove the washer. N Pull the sprocket and needle cage off the crankshaft. rework accordingly Carbide-tipped (Duro) saw chains or sooner - STIHL recommends the use of original STIHL ...STIHL servicing dealers. N After fitting the chain sprocket, rotate it about one sprocket. this would reduce the life of the wear marks. N Clean the saw chain N Check the saw chain for cracks and damaged rivets N Replace damaged or worn chain components and adapt these parts to the remaining parts...