Instruction Manual
Page 2
... running. Sudden surprise contributes to lose control of the guide bar contact a log, branch, or any combination of these devices. Use a firm grip with one hand! Cut at high engine speeds. 5. Ask your STIHL dealer about these persons may cause you to accidents. 2. B. Do not operate a chainsaw with thumbs and fingers encircling the chainsaw handles. A chainsaw is free from onehanded operation. snug-fitting clothing; continued on the saw...
... running. Sudden surprise contributes to lose control of the guide bar contact a log, branch, or any combination of these devices. Use a firm grip with one hand! Cut at high engine speeds. 5. Ask your STIHL dealer about these persons may cause you to accidents. 2. B. Do not operate a chainsaw with thumbs and fingers encircling the chainsaw handles. A chainsaw is free from onehanded operation. snug-fitting clothing; continued on the saw...
Instruction Manual
Page 3
... Saw Chain 28 Checking Chain Tension 29 Fuel Mix 29 Fueling 30 Chain Lubricant 31 Filling Chain Oil Tank 31 Checking Chain Lubrication 31 Chain Brake 32 Information Before You Start 31 Starting 33 During Break-in Muffler 40 Checking Spark Plug 41 Starter Rope 41 Checking and Replacing Chain Sprocket 42 Storing the Machine 42 Maintaining and Sharpening Saw Chain 43 Maintenance Chart 46 Specifications 47 Ordering Spare Parts 48 Stihl Incorporated Limited Warranty Federal and California Emission Control Systems Utility Engines 49 This manual...
... Saw Chain 28 Checking Chain Tension 29 Fuel Mix 29 Fueling 30 Chain Lubricant 31 Filling Chain Oil Tank 31 Checking Chain Lubrication 31 Chain Brake 32 Information Before You Start 31 Starting 33 During Break-in Muffler 40 Checking Spark Plug 41 Starter Rope 41 Checking and Replacing Chain Sprocket 42 Storing the Machine 42 Maintaining and Sharpening Saw Chain 43 Maintenance Chart 46 Specifications 47 Ordering Spare Parts 48 Stihl Incorporated Limited Warranty Federal and California Emission Control Systems Utility Engines 49 This manual...
Instruction Manual
Page 4
... 21 22 20 18 23 2 143BA050 KN 143BA049 KN 1 = Twist lock 2 = Spark plug boot 3 = Decompression valve * 4 = Chain brake 5 = Chain sprocket 6 = Chain sprocket cover 7 = Chain catcher 8 = Chain tensioner 9 = Adjusting wheel of quick tensioner * 10 = Bumper spike 11 = Guide bar 12 = Oilomatic saw chain 13 = Oil filler cap 14 = Muffler 15 = Front hand guard 16 = Front handle (handlebar) 17 = Starter grip 18 = Fuel filler cap 19 = Master Control lever 20 = Throttle trigger 21 = Throttle trigger interlock 22 = Rear handle 23 = Rear hand guard * Special accessory 017, 018
... 21 22 20 18 23 2 143BA050 KN 143BA049 KN 1 = Twist lock 2 = Spark plug boot 3 = Decompression valve * 4 = Chain brake 5 = Chain sprocket 6 = Chain sprocket cover 7 = Chain catcher 8 = Chain tensioner 9 = Adjusting wheel of quick tensioner * 10 = Bumper spike 11 = Guide bar 12 = Oilomatic saw chain 13 = Oil filler cap 14 = Muffler 15 = Front hand guard 16 = Front handle (handlebar) 17 = Starter grip 18 = Fuel filler cap 19 = Master Control lever 20 = Throttle trigger 21 = Throttle trigger interlock 22 = Rear handle 23 = Rear hand guard * Special accessory 017, 018
Instruction Manual
Page 5
... rear of saw chain. 12. Guide Bar Supports and guides the saw . 17. Oil Filler Cap For closing the fuel tank. 19. Front Handle Handle bar for choke control, starting the engine. 18. Fuel Filler Cap For closing the oil tank. 14. Decompression Valve Releases compression pressure to the operator's hands. (not illustrated). 3 Chain Brake A device to operator's right hand. Front Hand Guard Provides protection against wood. 017, 018 11. Rear Hand Guard Gives added protection to stop switch position. 20. Guide Bar Nose The...
... rear of saw chain. 12. Guide Bar Supports and guides the saw . 17. Oil Filler Cap For closing the fuel tank. 19. Front Handle Handle bar for choke control, starting the engine. 18. Fuel Filler Cap For closing the oil tank. 14. Decompression Valve Releases compression pressure to the operator's hands. (not illustrated). 3 Chain Brake A device to operator's right hand. Front Hand Guard Provides protection against wood. 017, 018 11. Rear Hand Guard Gives added protection to stop switch position. 20. Guide Bar Nose The...
Instruction Manual
Page 7
... order to reduce the risk of vibrations created by the engine and cutting attachment to your eyes never operate a chainsaw unless wearing goggles or properly fitted safety glasses with adequate top and side protection complying with constant, excessive pressures. A dull chain will increase cutting time, and pressing a dull chain through wood will not sustain whitefinger disease or carpal tunnel syndrome...
... order to reduce the risk of vibrations created by the engine and cutting attachment to your eyes never operate a chainsaw unless wearing goggles or properly fitted safety glasses with adequate top and side protection complying with constant, excessive pressures. A dull chain will increase cutting time, and pressing a dull chain through wood will not sustain whitefinger disease or carpal tunnel syndrome...
Instruction Manual
Page 9
... flammable fuel. STIHL Oilomatic chain, guide bar and sprocket must be vented from fueling spot before starting the engine. Use extreme caution when handling gasoline or fuel mix. Do not smoke or bring any spilled fuel before starting your chainsaw in operation. Before replacing any pressure build-up inside the gas tank of a two cycle engine depending on the STIHL product carefully so as described in this happens, change your clothing. If fuel or oil leakage...
... flammable fuel. STIHL Oilomatic chain, guide bar and sprocket must be vented from fueling spot before starting the engine. Use extreme caution when handling gasoline or fuel mix. Do not smoke or bring any spilled fuel before starting your chainsaw in operation. Before replacing any pressure build-up inside the gas tank of a two cycle engine depending on the STIHL product carefully so as described in this happens, change your clothing. If fuel or oil leakage...
Instruction Manual
Page 11
... procedure may damage the starter mechanism. Use of control or contact with the running . California and some other reproductive harm. To reduce this regard use a saw , let the engine run the chainsaw indoors or in injury to rewind properly. After adjusting a chain, start the chainsaw when the guide bar is in trenches or other sources on reactive forces). Working Conditions Operate the chainsaw under good visibility and...
... procedure may damage the starter mechanism. Use of control or contact with the running . California and some other reproductive harm. To reduce this regard use a saw , let the engine run the chainsaw indoors or in injury to rewind properly. After adjusting a chain, start the chainsaw when the guide bar is in trenches or other sources on reactive forces). Working Conditions Operate the chainsaw under good visibility and...
Instruction Manual
Page 15
.... bar and chain combinations listed as a chain brake, low kickback chain, reduced kickback bar, etc. Some STIHL bar and chain types are measured by applying a computer program to comply with at least one device designed to control the saw chain''. Compliance with at least two devices to reduce kickback forces. ANSI B 175.1-1991 chainsaw kickback standard Section 5.12 of less than 3.8 cubic inches - These include chain speed, the speed...
.... bar and chain combinations listed as a chain brake, low kickback chain, reduced kickback bar, etc. Some STIHL bar and chain types are measured by applying a computer program to comply with at least one device designed to control the saw chain''. Compliance with at least two devices to reduce kickback forces. ANSI B 175.1-1991 chainsaw kickback standard Section 5.12 of less than 3.8 cubic inches - These include chain speed, the speed...
Instruction Manual
Page 17
Never run the chainsaw above "Important Adjustments"). Clutch slippage can cause excessive heat, leading to severe damage of the motor housing, clutch and oiler component and may interfere with the appropriate bar/chain combinations to properly match your saw chain and reduced kickback bars" STIHL offers a variety of the chain brake. Low kickback saw is pinched or otherwise caught in their original condition. STIHL has developed a color code system...
Never run the chainsaw above "Important Adjustments"). Clutch slippage can cause excessive heat, leading to severe damage of the motor housing, clutch and oiler component and may interfere with the appropriate bar/chain combinations to properly match your saw chain and reduced kickback bars" STIHL offers a variety of the chain brake. Low kickback saw is pinched or otherwise caught in their original condition. STIHL has developed a color code system...
Instruction Manual
Page 25
... operate a chainsaw that the chain is stopped before cutting. Use only STIHL replacement parts for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used, STIHL may deny warranty. 5. When cutting small logs, place log through "V" - Always start relieving cut (1) at tension side (B). Follow the maintenance and repair instructions in the appropriate section of your leg or foot. 001BA051 LÄ 001BA050 LÄ MAINTENANCE, REPAIR AND STORING Maintenance, replacement...
... operate a chainsaw that the chain is stopped before cutting. Use only STIHL replacement parts for a component which has not been serviced or maintained properly or if nonapproved replacement parts were used, STIHL may deny warranty. 5. When cutting small logs, place log through "V" - Always start relieving cut (1) at tension side (B). Follow the maintenance and repair instructions in the appropriate section of your leg or foot. 001BA051 LÄ 001BA050 LÄ MAINTENANCE, REPAIR AND STORING Maintenance, replacement...
Instruction Manual
Page 26
.... replace worn sprockets or chains. Like an automobile brake, a chainsaw chain brake incurs wear each time it inoperable. Never touch a hot muffler or burn will increase the risk of this manual). 24 Keep the chain at your saw . every three months, Moderate usage - Never test the ignition system with ignition wire terminal removed from children. Keep spark plug clean, and make sure ignition lead is a change in this manual. Keep the chain...
.... replace worn sprockets or chains. Like an automobile brake, a chainsaw chain brake incurs wear each time it inoperable. Never touch a hot muffler or burn will increase the risk of this manual). 24 Keep the chain at your saw . every three months, Moderate usage - Never test the ignition system with ignition wire terminal removed from children. Keep spark plug clean, and make sure ignition lead is a change in this manual. Keep the chain...
Instruction Manual
Page 33
... adjust if necessary see section "Checking Chain Tension". 017, 018 31 use an HD single grade or multigrade engine oil with soap and water. Do not use only a specially formulated chain lubricant. STIHL chain lubricant with non-fling additive or the rapidly biodegradable STIHL Bioplus is run dry, the whole cutting attachment will otherwise quickly turn to remove, especially in an emergency - The service life of the chain and guide bar...
... adjust if necessary see section "Checking Chain Tension". 017, 018 31 use an HD single grade or multigrade engine oil with soap and water. Do not use only a specially formulated chain lubricant. STIHL chain lubricant with non-fling additive or the rapidly biodegradable STIHL Bioplus is run dry, the whole cutting attachment will otherwise quickly turn to remove, especially in an emergency - The service life of the chain and guide bar...
Instruction Manual
Page 38
... fuel line is cold. • Now start : If you did not move to normal operating position engine settles down the interlock lever and set the Master Control lever to "warm start" even if engine is primed. 36 017, 018 Fuel tank run until dry and then refueled • Pull starter rope several times with the starter to clear the combustion chamber. • Refit the spark plug and connect the spark plug boot reassemble all other parts...
... fuel line is cold. • Now start : If you did not move to normal operating position engine settles down the interlock lever and set the Master Control lever to "warm start" even if engine is primed. 36 017, 018 Fuel tank run until dry and then refueled • Pull starter rope several times with the starter to clear the combustion chamber. • Refit the spark plug and connect the spark plug boot reassemble all other parts...
Instruction Manual
Page 42
...; Turn the idle speed screw (LD) clockwise until it is set at the factory to run then back off the screw half a turn in Muffler Carefully screw down the idle speed screw (LD) counterclockwise (left-hand thread) until chain begins to provide an optimum fuel-air mixture under all operating conditions. Adjusting Carburetor with the screws. 40 017, 018 Chain runs when engine is low on power, check the spark arresting screen inside the muffler. If the engine is idling: • Turn the idle speed screw...
...; Turn the idle speed screw (LD) clockwise until it is set at the factory to run then back off the screw half a turn in Muffler Carefully screw down the idle speed screw (LD) counterclockwise (left-hand thread) until chain begins to provide an optimum fuel-air mixture under all operating conditions. Adjusting Carburetor with the screws. 40 017, 018 Chain runs when engine is low on power, check the spark arresting screen inside the muffler. If the engine is idling: • Turn the idle speed screw...
Instruction Manual
Page 43
... plug. • Remove spark plug see "Specifications"). Replacing Starter Rope/Rewind Spring Remove the shroud. •• Unscrew the oil tank filler cap and drain the tank. • Unscrew the fuel tank filler cap and drain the tank. • Always keep chain oil and fuel mix in ) it should be attached.) A loose connection between spark plug terminal and ignition wire connector in the boot may result in trouble in operation. Checking Spark Plug Starter Rope A Wrong fuel mix (too much oil in fuel mix, dirty air filter, unfavorable running conditions (mostly at part throttle...
... plug. • Remove spark plug see "Specifications"). Replacing Starter Rope/Rewind Spring Remove the shroud. •• Unscrew the oil tank filler cap and drain the tank. • Unscrew the fuel tank filler cap and drain the tank. • Always keep chain oil and fuel mix in ) it should be attached.) A loose connection between spark plug terminal and ignition wire connector in the boot may result in trouble in operation. Checking Spark Plug Starter Rope A Wrong fuel mix (too much oil in fuel mix, dirty air filter, unfavorable running conditions (mostly at part throttle...
Instruction Manual
Page 44
.... * Special accessory 42 143BA042 KN K Before removing chain sprocket Remove chain sprocket cover, chain and guide bar. STIHL Bioplus, completely fill the chain oil tank. • Store the machine in rotation with new spur sprocket After fitting the clutch drum, rotate it about 3 months or longer: • Drain and clean the fuel tank in a well ventilated area. • Run engine until carburetor is best to check the depth of the wear marks...
.... * Special accessory 42 143BA042 KN K Before removing chain sprocket Remove chain sprocket cover, chain and guide bar. STIHL Bioplus, completely fill the chain oil tank. • Store the machine in rotation with new spur sprocket After fitting the clutch drum, rotate it about 3 months or longer: • Drain and clean the fuel tank in a well ventilated area. • Run engine until carburetor is best to check the depth of the wear marks...
Instruction Manual
Page 48
... on model Chain brake Filter in fuel tank Fuel tank Chain oil tank Chain lubrication Saw chain Guide bar Chain sprocket Air filter Cooling inlets Cylinder fins Carburetor Spark plug All accessible screws and nuts (not adjusting screws) Rubber vibration buffers Spark arresting screen in muffler Chain catcher Visual inspection (condition, leaks) Clean Check operation Check operation Have cleaned by STIHL dealer Check Clean, replace filter element Clean Clean Check Inspect, also check sharpness Check chain tension Sharpen Check (wear, damage) Clean and turn Readjust idle Readjust electrode gap...
... on model Chain brake Filter in fuel tank Fuel tank Chain oil tank Chain lubrication Saw chain Guide bar Chain sprocket Air filter Cooling inlets Cylinder fins Carburetor Spark plug All accessible screws and nuts (not adjusting screws) Rubber vibration buffers Spark arresting screen in muffler Chain catcher Visual inspection (condition, leaks) Clean Check operation Check operation Have cleaned by STIHL dealer Check Clean, replace filter element Clean Clean Check Inspect, also check sharpness Check chain tension Sharpen Check (wear, damage) Clean and turn Readjust idle Readjust electrode gap...
Instruction Manual
Page 50
... Owner's Manual. 48 017, 018 The guide bar, saw model, the part numbers and names of the parts. Model Machine number Guide bar part number Chain part number Sprocket part number Warranty claims following repairs can be accepted only if the repair has been performed by the STlHL part number, the logo STIHL and the STIHL parts symbol ( The symbol may appear alone on small parts. This will make re-ordering simpler. Original STIHL parts can be identified by an authorized STIHL servicing dealer using...
... Owner's Manual. 48 017, 018 The guide bar, saw model, the part numbers and names of the parts. Model Machine number Guide bar part number Chain part number Sprocket part number Warranty claims following repairs can be accepted only if the repair has been performed by the STlHL part number, the logo STIHL and the STIHL parts symbol ( The symbol may appear alone on small parts. This will make re-ordering simpler. Original STIHL parts can be identified by an authorized STIHL servicing dealer using...
Instruction Manual
Page 52
... recommended 2-stroke mixture (see also instruction "Fuel"). Replacement and Repair of Emission-related Parts Any Stihl-approved replacement part may have other engine components caused by this manual. I. H. These instructions are carried out: Carburetor Ignition system (ignition module) Spark plug Airfilter Manifold Fasteners This warranty gives you specific legal rights, and you may be grounds for regular inspection to any independent test laboratory. 4. Mechanical diagnostic work is not Covered 1. What...
... recommended 2-stroke mixture (see also instruction "Fuel"). Replacement and Repair of Emission-related Parts Any Stihl-approved replacement part may have other engine components caused by this manual. I. H. These instructions are carried out: Carburetor Ignition system (ignition module) Spark plug Airfilter Manifold Fasteners This warranty gives you specific legal rights, and you may be grounds for regular inspection to any independent test laboratory. 4. Mechanical diagnostic work is not Covered 1. What...
Instruction Manual
Page 53
... by competent chainsaw service personnel. (For example, if improper tools are contained in a tree unless you off the engine before starting or cutting with the engine stopped, the guide bar and saw chain to the Code of the Owner's Manual. Do not operate a chainsaw in the body of Federal Regulations, Parts 1910 and 1928. Use caution when handling fuel. Do not allow other than the items listed in the Owner's Manual maintenance instructions, should be...
... by competent chainsaw service personnel. (For example, if improper tools are contained in a tree unless you off the engine before starting or cutting with the engine stopped, the guide bar and saw chain to the Code of the Owner's Manual. Do not operate a chainsaw in the body of Federal Regulations, Parts 1910 and 1928. Use caution when handling fuel. Do not allow other than the items listed in the Owner's Manual maintenance instructions, should be...
