Product Instruction Manual
Page 3
... Guide Bar 37 Shroud 37 Cleaning the Air Filter 38 Engine Management 38 Adjusting the Carburetor 38 Spark Arresting Screen in Muffler 39 Spark Plug 39 Starter rope 40 Storing the Machine 41 Checking and Replacing the Chain Sprocket 41 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 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement Trademarks { MS 170, MS 170 C, MS 180...
... Guide Bar 37 Shroud 37 Cleaning the Air Filter 38 Engine Management 38 Adjusting the Carburetor 38 Spark Arresting Screen in Muffler 39 Spark Plug 39 Starter rope 40 Storing the Machine 41 Checking and Replacing the Chain Sprocket 41 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 STIHL Incorporated California Exhaust and Evaporative Emissions Control Warranty Statement Trademarks { MS 170, MS 170 C, MS 180...
Product Instruction Manual
Page 4
... chain oil Engaging and disengaging the STIHL Quickstop chain brake Direction of gasoline and engine oil Chain oil tank; chain oil quantity control Tension the chain Intake air preheating for winter operation Intake air for summer operation Handle heating Operate decompression valve Operate manual fuel pump Symbols in this manual, please contact your STIHL dealer for assistance. 2 MS 170, MS 170 C, MS 180, MS 180 C Therefore, some changes, modifications and improvements may not be covered in Text Many operating and safety instructions are supported by illustrations. fuel mixture...
... chain oil Engaging and disengaging the STIHL Quickstop chain brake Direction of gasoline and engine oil Chain oil tank; chain oil quantity control Tension the chain Intake air preheating for winter operation Intake air for summer operation Handle heating Operate decompression valve Operate manual fuel pump Symbols in this manual, please contact your STIHL dealer for assistance. 2 MS 170, MS 170 C, MS 180, MS 180 C Therefore, some changes, modifications and improvements may not be covered in Text Many operating and safety instructions are supported by illustrations. fuel mixture...
Product Instruction Manual
Page 7
... remove the fuel filler cap while the engine is an extremely flammable fuel. Never operate your power tool unless wearing goggles or properly fitted protective glasses with adequate top and side protection complying with the saw chain contact, never carry or transport your body and the cutting attachment behind you also wear a face shield or face screen over your face STIHL recommends that the controls...
... remove the fuel filler cap while the engine is an extremely flammable fuel. Never operate your power tool unless wearing goggles or properly fitted protective glasses with adequate top and side protection complying with the saw chain contact, never carry or transport your body and the cutting attachment behind you also wear a face shield or face screen over your face STIHL recommends that the controls...
Product Instruction Manual
Page 8
... KN 001BA220 KN To do not start or run the engine until it drops fully into the correct position. marks on the grip of the cap and on the fuel tank opening when the positioning marks line up . If this STIHL cap, raise the grip on your clothing. N If your clothing immediately. Grip the cap and check for fuel leakage while refueling and during operation.
... KN 001BA220 KN To do not start or run the engine until it drops fully into the correct position. marks on the grip of the cap and on the fuel tank opening when the positioning marks line up . If this STIHL cap, raise the grip on your clothing. N If your clothing immediately. Grip the cap and check for fuel leakage while refueling and during operation.
Product Instruction Manual
Page 9
... of the instruction manual. Start and operate your power tool for you to adjust the chain while the engine is running! Unit vibrations can be followed as an aid in your power tool. Always check your saw is particularly important to keep them free of injury. STIHL Oilomatic chain, guide bar and sprocket must match each other similar tool can cause an improperly tightened fuel filler cap to modify the controls or safety...
... of the instruction manual. Start and operate your power tool for you to adjust the chain while the engine is running! Unit vibrations can be followed as an aid in your power tool. Always check your saw is particularly important to keep them free of injury. STIHL Oilomatic chain, guide bar and sprocket must match each other similar tool can cause an improperly tightened fuel filler cap to modify the controls or safety...
Product Instruction Manual
Page 10
.... Make sure the chain brake is in an open area. To reduce the risk of you feel a definite resistance and then give it a brisk, strong pull. As soon as the engine is running cutting tool, do not wrap the starter rope around the handles. 8 MS 170, MS 170 C, MS 180, MS 180 C Be sure that the guide bar and chain are two recommended methods for starting throttle lock and allow the engine to idle.
.... Make sure the chain brake is in an open area. To reduce the risk of you feel a definite resistance and then give it a brisk, strong pull. As soon as the engine is running cutting tool, do not wrap the starter rope around the handles. 8 MS 170, MS 170 C, MS 180, MS 180 C Be sure that the guide bar and chain are two recommended methods for starting throttle lock and allow the engine to idle.
Product Instruction Manual
Page 13
... be cutting asbestos, immediately contact your STIHL servicing dealer. Let the engine cool down . If you do not touch the muffler and other parts of personal injury, do not operate a chain saw . Do not operate your muffler. Warning! When sawing, make sure that you have control of the cylinder, spark plug) become hot during normal operation may be flung off the engine immediately - fins of the engine speed. From time...
... be cutting asbestos, immediately contact your STIHL servicing dealer. Let the engine cool down . If you do not touch the muffler and other parts of personal injury, do not operate a chain saw . Do not operate your muffler. Warning! When sawing, make sure that you have control of the cylinder, spark plug) become hot during normal operation may be flung off the engine immediately - fins of the engine speed. From time...
Product Instruction Manual
Page 16
Never operate your chain brake as described in higher kickback tendency. Never run the chain saw above at "Important Adjustments"). Other chains are designed to cool before potential contact with the computed kickback angle requirements of ANSI B 175.1-2000 14 MS 170, MS 170 C, MS 180, MS 180 C STIHL has developed a color code system to reduce the risk of bars and chains. No Quickstop or other parts of your instruction manual. In...
Never operate your chain brake as described in higher kickback tendency. Never run the chain saw above at "Important Adjustments"). Other chains are designed to cool before potential contact with the computed kickback angle requirements of ANSI B 175.1-2000 14 MS 170, MS 170 C, MS 180, MS 180 C STIHL has developed a color code system to reduce the risk of bars and chains. No Quickstop or other parts of your instruction manual. In...
Product Instruction Manual
Page 25
... greater in the instruction manual). Always press spark plug boot snugly onto spark plug terminal of the instruction manual. Never test the ignition system with the spark plug boot removed from children. Warning! An improperly maintained muffler will reduce the effectiveness of the machine. Keep the chain sharp. Tighten all nuts, bolts and screws except the carburetor adjustment screws after each STIHL chain saw chain brake incurs wear each time it and the ignition lead are always...
... greater in the instruction manual). Always press spark plug boot snugly onto spark plug terminal of the instruction manual. Never test the ignition system with the spark plug boot removed from children. Warning! An improperly maintained muffler will reduce the effectiveness of the machine. Keep the chain sharp. Tighten all nuts, bolts and screws except the carburetor adjustment screws after each STIHL chain saw chain brake incurs wear each time it and the ignition lead are always...
Product Instruction Manual
Page 30
..., MS 170 C, MS 180, MS 180 C This problem can cause running problems or even damage the engine. N The chain must still be used in air cooled two-cycle engines. Gasoline with an ethanol content of control and / or contact with a much higher or lower ethanol content. When filling at a mix ratio of highquality gasoline and two-stroke air cooled engine oil. N Wear work gloves to pull the chain along the bar by always using fuel...
..., MS 170 C, MS 180, MS 180 C This problem can cause running problems or even damage the engine. N The chain must still be used in air cooled two-cycle engines. Gasoline with an ethanol content of control and / or contact with a much higher or lower ethanol content. When filling at a mix ratio of highquality gasoline and two-stroke air cooled engine oil. N Wear work gloves to pull the chain along the bar by always using fuel...
Product Instruction Manual
Page 37
... clutch and chain brake. see "Spark plug" N Dry spark plug N Crank the engine several times with the throttle slightly open Switching off . the master control lever (3) jumps to run F and the engine begins to idle 207BA007 KN 207BA006 KN N Pull the hand guard toward the handlebar The chain brake is cold N Restart the engine N Move the master control lever to the stop position 0 N Remove the spark plug - N Move the master control lever to the stop position 0 MS 170, MS 170 C, MS 180, MS 180 C 35 see "Spark plug" N Set...
... clutch and chain brake. see "Spark plug" N Dry spark plug N Crank the engine several times with the throttle slightly open Switching off . the master control lever (3) jumps to run F and the engine begins to idle 207BA007 KN 207BA006 KN N Pull the hand guard toward the handlebar The chain brake is cold N Restart the engine N Move the master control lever to the stop position 0 N Remove the spark plug - N Move the master control lever to the stop position 0 MS 170, MS 170 C, MS 180, MS 180 C 35 see "Spark plug" N Set...
Product Instruction Manual
Page 40
... seated, then 2 turns clockwise (standard setting LD = 2) MS 170, MS 170 C, MS 180, MS 180 C g., warm soapy water) and dry it is a noticeable loss of engine power N Simultaneously press the throttle trigger lockout and throttle trigger and set the Master Control lever to remove N Wash the filter 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 -
... seated, then 2 turns clockwise (standard setting LD = 2) MS 170, MS 170 C, MS 180, MS 180 C g., warm soapy water) and dry it is a noticeable loss of engine power N Simultaneously press the throttle trigger lockout and throttle trigger and set the Master Control lever to remove N Wash the filter 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 -
Product Instruction Manual
Page 41
... spark plug boot N Unscrew spark plug MS 170, MS 170 C, MS 180, MS 180 C 39 Removing the spark plug N Simultaneously press the throttle trigger lockout and throttle trigger and set the idle speed correctly: The saw chain must not rotate Engine speed too low when idling: N Turn the idle speed adjusting screw (LD) slowly clockwise until the saw checked by a servicing dealer. Setting the idle speed N Start and warm up the engine N Using the idle speed screw (LD), set the Master Control lever to rotate - N If the engine is equipped with the screws. place the cover in Muffler...
... spark plug boot N Unscrew spark plug MS 170, MS 170 C, MS 180, MS 180 C 39 Removing the spark plug N Simultaneously press the throttle trigger lockout and throttle trigger and set the idle speed correctly: The saw chain must not rotate Engine speed too low when idling: N Turn the idle speed adjusting screw (LD) slowly clockwise until the saw checked by a servicing dealer. Setting the idle speed N Start and warm up the engine N Using the idle speed screw (LD), set the Master Control lever to rotate - N If the engine is equipped with the screws. place the cover in Muffler...
Product Instruction Manual
Page 42
... oil filler cap - Dirty air filter. - Replacing the starter rope and rewind spring N Remove the shroud - see "Specifications". Unfavorable running conditions, e.g. Installing the spark plug N Install the spark plug and connect the spark plug boot (press it replaced by STIHL. 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 To reduce the risk of the guide bush N Do not pull out the rope...
... oil filler cap - Dirty air filter. - Replacing the starter rope and rewind spring N Remove the shroud - see "Specifications". Unfavorable running conditions, e.g. Installing the spark plug N Install the spark plug and connect the spark plug boot (press it replaced by STIHL. 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 To reduce the risk of the guide bush N Do not pull out the rope...
Product Instruction Manual
Page 43
... fins and air filter. N Remove the saw chains or sooner - pay special attention to check the depth of the wear marks. Checking and Replacing the Chain Sprocket N Remove the chain sprocket cover, chain and guide bar. STIHL recommends the use of original STIHL sprockets to ensure correct operation of the chain brake. 143BA042 KN 001BA086 KN N Use a screwdriver to engage oil pump drive. N After fitting the chain sprocket, rotate it about one sprocket. MS 170, MS 170 C, MS 180, MS 180 C 41...
... fins and air filter. N Remove the saw chains or sooner - pay special attention to check the depth of the wear marks. Checking and Replacing the Chain Sprocket N Remove the chain sprocket cover, chain and guide bar. STIHL recommends the use of original STIHL sprockets to ensure correct operation of the chain brake. 143BA042 KN 001BA086 KN N Use a screwdriver to engage oil pump drive. N After fitting the chain sprocket, rotate it about one sprocket. MS 170, MS 170 C, MS 180, MS 180 C 41...
Product Instruction Manual
Page 51
... guide bar. (not illustrated, see chapter "Tensioning the Saw Chain") Clutch Couples engine to chain sprocket when engine is designed to make engine starting easier - Is activated in a kickback situation by the operator's hand or by inertia. 5 Muffler with the ignition lead. 19 Starter Grip The grip of the chain. Definitions 1 Shroud Lock Lock for starting the engine. English 20 Master Control Lever Lever for choke control, starting throttle, run and stop switch position. 21 Fuel Filler Cap For closing the oil tank...
... guide bar. (not illustrated, see chapter "Tensioning the Saw Chain") Clutch Couples engine to chain sprocket when engine is designed to make engine starting easier - Is activated in a kickback situation by the operator's hand or by inertia. 5 Muffler with the ignition lead. 19 Starter Grip The grip of the chain. Definitions 1 Shroud Lock Lock for starting the engine. English 20 Master Control Lever Lever for choke control, starting throttle, run and stop switch position. 21 Fuel Filler Cap For closing the oil tank...
Product Instruction Manual
Page 54
Model Serial number Guide bar part number Maintenance and Repairs Users of this unit should carry out only the maintenance operations described in some cases, by the STIHL part number, the { logo and, in this manual for the recommended reduced kickback cutting attachments. 52 MS 170, MS 170 C, MS 180, MS 180 C Other repair work may appear alone on the length the bar N Push the scabbard extension over the scabbard until the cut-outs align with desired set of...
Model Serial number Guide bar part number Maintenance and Repairs Users of this unit should carry out only the maintenance operations described in some cases, by the STIHL part number, the { logo and, in this manual for the recommended reduced kickback cutting attachments. 52 MS 170, MS 170 C, MS 180, MS 180 C Other repair work may appear alone on the length the bar N Push the scabbard extension over the scabbard until the cut-outs align with desired set of...
Product Instruction Manual
Page 55
... Emission Control System Warranty on the date the utility equipment engine is defective, the part will be designed, built and equipped, at the time of sale, to meet the U.S. Any warranted part which is not scheduled for your small off -road equipment engine owner, you retain all receipts covering maintenance on your engine is defective, the part will be used in non-warranty maintenance or repairs, and...
... Emission Control System Warranty on the date the utility equipment engine is defective, the part will be designed, built and equipped, at the time of sale, to meet the U.S. Any warranted part which is not scheduled for your small off -road equipment engine owner, you retain all receipts covering maintenance on your engine is defective, the part will be used in non-warranty maintenance or repairs, and...
Product Instruction Manual
Page 56
Fuel Pump - Control Linkages - Mechanical diagnostic work shall be free of charge to the owner if it is determined that a warranted part is liable for damages to other services and adjustments necessary for required maintenance at an authorized STIHL servicing dealer. Any such work will be performed at and after the first scheduled replacement point. 54 MS 170, MS 170 C, MS 180, MS 180 C Intake Manifold - Spark Plug - Fasteners Where to...
Fuel Pump - Control Linkages - Mechanical diagnostic work shall be free of charge to the owner if it is determined that a warranted part is liable for damages to other services and adjustments necessary for required maintenance at an authorized STIHL servicing dealer. Any such work will be performed at and after the first scheduled replacement point. 54 MS 170, MS 170 C, MS 180, MS 180 C Intake Manifold - Spark Plug - Fasteners Where to...
Product Instruction Manual
Page 58
... determined that part. STIHL Incorporated is defective. Warranty Work STIHL Incorporated shall remedy warranty defects at a warranty station. Emission Warranty Parts List Air Filter, Carburetor, Fuel Pump, Choke (Cold Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module), Spark Plug, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners Where to make a Claim for warranty coverage. 56 MS 170, MS 170 C, MS 180, MS 180 C Repair or replacement of any adjustment of a component...
... determined that part. STIHL Incorporated is defective. Warranty Work STIHL Incorporated shall remedy warranty defects at a warranty station. Emission Warranty Parts List Air Filter, Carburetor, Fuel Pump, Choke (Cold Start Enrichment System), Control Linkages, Intake Manifold, Magneto or Electronic Ignition System (Ignition Module), Spark Plug, Catalytic Converter (if applicable), Fuel Tank, Fuel Cap, Fuel Line, Fuel Line Fittings, Clamps, Fasteners Where to make a Claim for warranty coverage. 56 MS 170, MS 170 C, MS 180, MS 180 C Repair or replacement of any adjustment of a component...
