Instruction Manual
Page 2
..." and "Specifications" of the saw . 4. Sudden surprise contributes to chainsaw kickback. Cut at high engine speeds. 5. Serious injury to be used with two hands. 2. Either of the saw chain in and pinches the saw . Follow manufacturer's sharpening and maintenance instructions for Chain Saw Users A. Kickback may result from obstructions. Section 5.12 of surprise. As a chainsaw user, you can reduce or eliminate the element of ANSI B 175.1-1991 sets certain...
..." and "Specifications" of the saw . 4. Sudden surprise contributes to chainsaw kickback. Cut at high engine speeds. 5. Serious injury to be used with two hands. 2. Either of the saw chain in and pinches the saw . Follow manufacturer's sharpening and maintenance instructions for Chain Saw Users A. Kickback may result from obstructions. Section 5.12 of surprise. As a chainsaw user, you can reduce or eliminate the element of ANSI B 175.1-1991 sets certain...
Instruction Manual
Page 3
... a chainsaw is recyclable 2000 Andreas Stihl AG & Co., Waiblingen 0458 134 3021. Printed in Germany 066 Winter Operation 37 Electric Handle Heating 37 Take Care of the instructions in Muffler 40 Checking Spark Plug 40 Replacing Starter Rope and Rewind Spring 41 Checking and Replacing Chain Sprocket 42 Ordering Spare Parts 43 Maintaining and Sharpening Saw Chain 44 Maintenance Chart 47 Specifications 48 Stihl Incorporated Limited Warranty Federal Emission Control Systems Utility Engines 49 This Manual contains operating and...
... a chainsaw is recyclable 2000 Andreas Stihl AG & Co., Waiblingen 0458 134 3021. Printed in Germany 066 Winter Operation 37 Electric Handle Heating 37 Take Care of the instructions in Muffler 40 Checking Spark Plug 40 Replacing Starter Rope and Rewind Spring 41 Checking and Replacing Chain Sprocket 42 Ordering Spare Parts 43 Maintaining and Sharpening Saw Chain 44 Maintenance Chart 47 Specifications 48 Stihl Incorporated Limited Warranty Federal Emission Control Systems Utility Engines 49 This Manual contains operating and...
Instruction Manual
Page 5
... 066 11. Bumper Spike Toothed stop switch position. 20. Chain Sprocket Cover Covers the clutch and the sprocket. 5. Chain Catcher Helps to stop the rotation of operator contact by inertia. 7. Fuel Filler Cap For closing the oil tank. 13. Throttle Trigger Interlock Must be depressed before the throttle trigger can be activated. 22. Spark Plug Boot Connects the spark plug with the ignition wire. 3. Guide Bar Supports and guides the saw chain. 6. Decompression Valve Makes starting the engine. 18. Throttle Trigger Controls the speed of chain tension. 9. Muffler...
... 066 11. Bumper Spike Toothed stop switch position. 20. Chain Sprocket Cover Covers the clutch and the sprocket. 5. Chain Catcher Helps to stop the rotation of operator contact by inertia. 7. Fuel Filler Cap For closing the oil tank. 13. Throttle Trigger Interlock Must be depressed before the throttle trigger can be activated. 22. Spark Plug Boot Connects the spark plug with the ignition wire. 3. Guide Bar Supports and guides the saw chain. 6. Decompression Valve Makes starting the engine. 18. Throttle Trigger Controls the speed of chain tension. 9. Muffler...
Instruction Manual
Page 7
... handles with damaged or worn AV buffers will also tend to the operator's hands. Keep the saw chain sharp and the saw chain. A dull chain will increase cutting time, and pressing a dull chain through wood will not sustain whitefinger disease or carpal tunnel syndrome. Proper Clothing !Warning! Good footing is recommended for cold weather use. - Many STIHL models are mentioned as factors in chainsaw...
... handles with damaged or worn AV buffers will also tend to the operator's hands. Keep the saw chain sharp and the saw chain. A dull chain will increase cutting time, and pressing a dull chain through wood will not sustain whitefinger disease or carpal tunnel syndrome. Proper Clothing !Warning! Good footing is recommended for cold weather use. - Many STIHL models are mentioned as factors in chainsaw...
Instruction Manual
Page 9
... check for the sprocket cover is running . Always make sure the hexagonal nut(s) for leakage. !Warning! In order to cool before starting the engine. Wipe off any pressure build-up inside the gas tank of a two cycle engine depending on "Specifications", "Kickback" and the "ANSI B 175.1-1991 chainsaw kickback standard" in operation. If fuel or oil leakage is fixed and spilled fuel has been wiped away. STIHL Oilomatic chain, guide bar...
... check for the sprocket cover is running . Always make sure the hexagonal nut(s) for leakage. !Warning! In order to cool before starting the engine. Wipe off any pressure build-up inside the gas tank of a two cycle engine depending on "Specifications", "Kickback" and the "ANSI B 175.1-1991 chainsaw kickback standard" in operation. If fuel or oil leakage is fixed and spilled fuel has been wiped away. STIHL Oilomatic chain, guide bar...
Instruction Manual
Page 11
... permit the rope to hand or fingers and may be 9 When you and all times. After adjusting a chain, start the chainsaw when the guide bar is running chain, do not wrap the starting . carbon monoxide) may damage the starter mechanism. When the inhalation of you pull the starter grip, do not use good work practices and follow this product (including sharpening the saw with incorrect idle adjustment. Be...
... permit the rope to hand or fingers and may be 9 When you and all times. After adjusting a chain, start the chainsaw when the guide bar is running chain, do not wrap the starting . carbon monoxide) may damage the starter mechanism. When the inhalation of you pull the starter grip, do not use good work practices and follow this product (including sharpening the saw with incorrect idle adjustment. Be...
Instruction Manual
Page 15
... the "Specifications" section of ANSI B 175.1-1991 use only the following cutting attachments: - Compliance with at most 45°. !Warning! 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 test results from a kickback test machine. The computer derived angles for use on "Low kickback saw chain you use of ANSI...
... the "Specifications" section of ANSI B 175.1-1991 use only the following cutting attachments: - Compliance with at most 45°. !Warning! 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 test results from a kickback test machine. The computer derived angles for use on "Low kickback saw chain you use of ANSI...
Instruction Manual
Page 17
... or the chain is not turning at all. !Warning! They are in the chapter entitled "Chain Brake". Never run the chainsaw above "Important Adjustments"). If clutch slippage in excess of 3 seconds has occured, allow the motor housing to avoid kickback situations. 15 STIHL reduced kickback bars and low kickback chains are recommended for such combinations. !Warning! Cutting attachments with kickback. Check with the operation of the motor housing, clutch and...
... or the chain is not turning at all. !Warning! They are in the chapter entitled "Chain Brake". Never run the chainsaw above "Important Adjustments"). If clutch slippage in excess of 3 seconds has occured, allow the motor housing to avoid kickback situations. 15 STIHL reduced kickback bars and low kickback chains are recommended for such combinations. !Warning! Cutting attachments with kickback. Check with the operation of the motor housing, clutch and...
Instruction Manual
Page 25
... side (A). 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 be caught and flung in the direction of the operator of parts manufactured by any adjustments, maintenance or repair work in the appropriate section of a sawhorse. Always stop the engine and remove it from the log. 6. Always start relieving cut (2) at a time. 3. When cutting small...
... side (A). 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 be caught and flung in the direction of the operator of parts manufactured by any adjustments, maintenance or repair work in the appropriate section of a sawhorse. Always stop the engine and remove it from the log. 6. Always start relieving cut (2) at a time. 3. When cutting small...
Instruction Manual
Page 26
.... Like an automobile brake, a chainsaw chain brake incurs wear each use only spark plugs authorized by STIHL. The amount of wear will reduce the effectiveness of dirt, grease and other foreign matter which the saw is used and other injuries, it is greater in a dry place and away from spark plug or with ignition wire terminal removed from children. annually. For any maintenance or repair work performed at...
.... Like an automobile brake, a chainsaw chain brake incurs wear each use only spark plugs authorized by STIHL. The amount of wear will reduce the effectiveness of dirt, grease and other foreign matter which the saw is used and other injuries, it is greater in a dry place and away from spark plug or with ignition wire terminal removed from children. annually. For any maintenance or repair work performed at...
Instruction Manual
Page 35
... time, crank the engine several times until fuel line is cold. • Press in decompression valve again. • Now start : If you did not move to normal operating position engine settles down to idle speed. • Disengage chain brake: Pull hand guard toward front handle as required. • Most economic setting turn adjusting screw to "E" (Ematic position). • To increase oil feed turn adjusting screw counterclockwise. 066 33 reassemble all other parts • Set Master Control lever to "Warm Start"=n even if engine...
... time, crank the engine several times until fuel line is cold. • Press in decompression valve again. • Now start : If you did not move to normal operating position engine settles down to idle speed. • Disengage chain brake: Pull hand guard toward front handle as required. • Most economic setting turn adjusting screw to "E" (Ematic position). • To increase oil feed turn adjusting screw counterclockwise. 066 33 reassemble all other parts • Set Master Control lever to "Warm Start"=n even if engine...
Instruction Manual
Page 36
... more often than one that engine heat can be dissipated by hand. Before storing your saw chain and guide bar, clean them and protect with the chain brake engaged (chain locked) will quickly damage the powerhead and chain drive (clutch, chain brake). 34 Check chain tension frequently. Drain and clean the fuel tank •• Run engine until carburetor is not slackened off load) for some time. STIHL Bioplus), fill the chain oil tank. • Store the machine in power -
... more often than one that engine heat can be dissipated by hand. Before storing your saw chain and guide bar, clean them and protect with the chain brake engaged (chain locked) will quickly damage the powerhead and chain drive (clutch, chain brake). 34 Check chain tension frequently. Drain and clean the fuel tank •• Run engine until carburetor is not slackened off load) for some time. STIHL Bioplus), fill the chain oil tank. • Store the machine in power -
Instruction Manual
Page 39
...°F, in the fan housing to help prevent snow being sucked into the machine. Switching on electric handle heating • Move switch on machine), start the engine and keep it at a high idle speed (with cold air this helps prevent carburetror icing. Inside the carburetorbox cover: Move shutter (1) from around the cylinder and mixed with chain brake disengaged) until it reaches normal operating temperature. • In the...
...°F, in the fan housing to help prevent snow being sucked into the machine. Switching on electric handle heating • Move switch on machine), start the engine and keep it at a high idle speed (with cold air this helps prevent carburetror icing. Inside the carburetorbox cover: Move shutter (1) from around the cylinder and mixed with chain brake disengaged) until it reaches normal operating temperature. • In the...
Instruction Manual
Page 42
... adapter nut, it should be attached.) A loose connection between spark plug terminal and ignition wire connector in the boot may result in trouble in operation. These factors cause deposits to form on power, difficult to cool down on the insulator nose which have caused fouling of spark plug: Incorrect carburetor setting, too much engine oil in the gasoline), a dirty air filter and unfavorable running conditions, e.g. Spark Arresting Screen in Muffler Checking Spark Plug 000BA039...
... adapter nut, it should be attached.) A loose connection between spark plug terminal and ignition wire connector in the boot may result in trouble in operation. These factors cause deposits to form on power, difficult to cool down on the insulator nose which have caused fouling of spark plug: Incorrect carburetor setting, too much engine oil in the gasoline), a dirty air filter and unfavorable running conditions, e.g. Spark Arresting Screen in Muffler Checking Spark Plug 000BA039...
Instruction Manual
Page 44
... face protection and work gloves. • Remove the spring housing and parts of spring. • Fit the new spring housing bottom plate must sit firmly in the rope guide bush. It is overtensioned and could fly apart when you take them out of the housing. Disengage the chain brake: Pull hand guard toward front handle. *Special accessory 42 066 Checking and Replacing Chain Sprocket 6 001BA104 ST 137BA020 KN Release the...
... face protection and work gloves. • Remove the spring housing and parts of spring. • Fit the new spring housing bottom plate must sit firmly in the rope guide bush. It is overtensioned and could fly apart when you take them out of the housing. Disengage the chain brake: Pull hand guard toward front handle. *Special accessory 42 066 Checking and Replacing Chain Sprocket 6 001BA104 ST 137BA020 KN Release the...
Instruction Manual
Page 45
... about one turn to engage oil pump drive - • Refit washer and E-clip on clutch drum if wear marks are subject to normal wear and tear. This will make re-ordering simpler. Model Machine number Guide bar part number Chain part number Sprocket part number For recommended STIHL reduced kickback cutting attachments see section "Specifications" of the parts. Use only original STIHL chain sprockets to ensure correct operation of the chain brake. 066 K Please enter your saw chain and chain sprocket...
... about one turn to engage oil pump drive - • Refit washer and E-clip on clutch drum if wear marks are subject to normal wear and tear. This will make re-ordering simpler. Model Machine number Guide bar part number Chain part number Sprocket part number For recommended STIHL reduced kickback cutting attachments see section "Specifications" of the parts. Use only original STIHL chain sprockets to ensure correct operation of the chain brake. 066 K Please enter your saw chain and chain sprocket...
Instruction Manual
Page 49
... machine Throttle trigger , trigger interlock, Master Control 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 arrestor screen in muffler Chain catcher Visual inspection (condition leaks) Clean Check operation Check operation Check by STIHL dealer Inspect Clean or replace Check Replace * Tighten down the cylinder base screws firmly after the first 10 to 20 hours of operation 066...
... machine Throttle trigger , trigger interlock, Master Control 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 arrestor screen in muffler Chain catcher Visual inspection (condition leaks) Clean Check operation Check operation Check by STIHL dealer Inspect Clean or replace Check Replace * Tighten down the cylinder base screws firmly after the first 10 to 20 hours of operation 066...
Instruction Manual
Page 51
... part will be repaired or replaced by STIHL Incorporated STIHL Incorporated warrants to the ultimate purchaser and each subsequent 066 49 Your emission control system includes parts such as a problem exists. Manufacturer's Warranty Coverage: In the U.S., 1997 and later model year small off-road equipment engines are responsible for the performance of time, not to a STIHL service center as soon as the carburetor and the ignition system...
... part will be repaired or replaced by STIHL Incorporated STIHL Incorporated warrants to the ultimate purchaser and each subsequent 066 49 Your emission control system includes parts such as a problem exists. Manufacturer's Warranty Coverage: In the U.S., 1997 and later model year small off-road equipment engines are responsible for the performance of time, not to a STIHL service center as soon as the carburetor and the ignition system...
Instruction Manual
Page 52
... for any authorized STIHL servicing dealer and present the signed warranty card. replacement of required maintenance, - Any warranted part which cause the engine to fail to other services and adjustments necessary for Warranty Service Bring the product to the owner if it is determined that part. Maintenance Requirements The maintenance instructions in this recommendation regarding quality and mixing ratio of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Deviations from defects...
... for any authorized STIHL servicing dealer and present the signed warranty card. replacement of required maintenance, - Any warranted part which cause the engine to fail to other services and adjustments necessary for Warranty Service Bring the product to the owner if it is determined that part. Maintenance Requirements The maintenance instructions in this recommendation regarding quality and mixing ratio of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel"). Deviations from defects...
Instruction Manual
Page 53
... muffler away from the fueling point before setting the chainsaw down. 12. Do not operate a chainsaw that the saw chain stops moving when the throttle trigger is released. 14. Do not start the engine, make sure that is damaged, improperly adjusted, or not completely and securely assembled. Be sure that is not contacting anything. 9. Keep the handles dry, clean, and free of Important Safety Precautions 4. Note: When using a chainsaw...
... muffler away from the fueling point before setting the chainsaw down. 12. Do not operate a chainsaw that the saw chain stops moving when the throttle trigger is released. 14. Do not start the engine, make sure that is damaged, improperly adjusted, or not completely and securely assembled. Be sure that is not contacting anything. 9. Keep the handles dry, clean, and free of Important Safety Precautions 4. Note: When using a chainsaw...