Instruction Manual
Page 3
... Limited Warranty Federal Emission Control Systems Utility Engines 49 This Manual contains operating and safety instructions for all STIHL 066 series power saws. Maintenance, Repair and Storing 21 Mounting the Bar and Chain 25 Tensioning the Saw Chain ... 2 Definitions 3 Safety Precautions 4 - The Operator 4 - Printed in Germany 066 Winter Operation 37 Electric Handle Heating 37 Take Care of its products. To receive maximum performance and satisfaction from your chainsaw. STIHL's philosophy is important that you do not understand any other power saw to reduce...
... Limited Warranty Federal Emission Control Systems Utility Engines 49 This Manual contains operating and safety instructions for all STIHL 066 series power saws. Maintenance, Repair and Storing 21 Mounting the Bar and Chain 25 Tensioning the Saw Chain ... 2 Definitions 3 Safety Precautions 4 - The Operator 4 - Printed in Germany 066 Winter Operation 37 Electric Handle Heating 37 Take Care of its products. To receive maximum performance and satisfaction from your chainsaw. STIHL's philosophy is important that you do not understand any other power saw to reduce...
Instruction Manual
Page 28
... KN Turn off the engine and then slacken the nuts. • Hold the bar nose up , tighten down the nuts firmly. Use only STIHL two-stroke engine oil or equivalent branded two-stroke aircooled engine oils with a lower octane rating may result in preignition (causing "pinging") which is... been in turn tensioning screw (1) clockwise until chain fits snugly against the underside of the regular grade gasoline in use for mixing. 26 066 Tensioning the Saw Chain Checking Chain Tension Fuel Mix 1 Retensioning during cutting work: • Turn off the engine - •• Wear work...
... KN Turn off the engine and then slacken the nuts. • Hold the bar nose up , tighten down the nuts firmly. Use only STIHL two-stroke engine oil or equivalent branded two-stroke aircooled engine oils with a lower octane rating may result in preignition (causing "pinging") which is... been in turn tensioning screw (1) clockwise until chain fits snugly against the underside of the regular grade gasoline in use for mixing. 26 066 Tensioning the Saw Chain Checking Chain Tension Fuel Mix 1 Retensioning during cutting work: • Turn off the engine - •• Wear work...
Instruction Manual
Page 29
...the mixture in the tank to release slowly. !Warning! Use a suitable tool (e.g. screwdriver end of combination wrench) to tighten slotted fuel caps. 066 143BA008 KN 143BA009 KN Change the fuel pick up in the canister before fueling your machine for a long period, drain and clean the fuel tank...two-stroke water cooled) mix oils! Before fueling, clean the fuel filler cap and the area around it is dry. 27 Fueling We recommend STIHL 50:1 two-stroke engine oil since it to ensure that no dirt falls into the mixture. Before storing your machine. !Warning! In order...
...the mixture in the tank to release slowly. !Warning! Use a suitable tool (e.g. screwdriver end of combination wrench) to tighten slotted fuel caps. 066 143BA008 KN 143BA009 KN Change the fuel pick up in the canister before fueling your machine for a long period, drain and clean the fuel tank...two-stroke water cooled) mix oils! Before fueling, clean the fuel filler cap and the area around it is dry. 27 Fueling We recommend STIHL 50:1 two-stroke engine oil since it to ensure that no dirt falls into the mixture. Before storing your machine. !Warning! In order...
Instruction Manual
Page 30
...chain, check chain tension and adjust if necessary see section "Checking Chain Tension". 28 066 Chain lubricant Filling Chain Oil Tank Checking Chain Lubrication For automatic and reliable lubrication of the lubricant. STIHL Bioplus) since it to ensure that no dirt falls into the tank. •... grade or multigrade engine oil with waste oil can cause skin cancer. There must still be irretrievably damaged within a very short time. STIHL chain lubricant with waste oil. Important: Biological chain oil must always throw off a small amount of oil in tank before starting work....
...chain, check chain tension and adjust if necessary see section "Checking Chain Tension". 28 066 Chain lubricant Filling Chain Oil Tank Checking Chain Lubrication For automatic and reliable lubrication of the lubricant. STIHL Bioplus) since it to ensure that no dirt falls into the tank. •... grade or multigrade engine oil with waste oil can cause skin cancer. There must still be irretrievably damaged within a very short time. STIHL chain lubricant with waste oil. Important: Biological chain oil must always throw off a small amount of oil in tank before starting work....
Instruction Manual
Page 31
... nose). The only exception to this rule is when you check operation of dirt and move freely. Accelerate up to normal wear and tear. STIHL dealer) at idle speed, engage the chain brake (push hand guard toward the bar nose by the left hand is not behind the hand...work : Run engine at the following intervals: Full-time professional users: every 3 months Semi-professional users: every 6 months Occasional users: every 12 months 066 29 the chain must be checked and serviced regularly by the inertia of the front hand guard if the kickback force of chain brake Before...
... nose). The only exception to this rule is when you check operation of dirt and move freely. Accelerate up to normal wear and tear. STIHL dealer) at idle speed, engage the chain brake (push hand guard toward the bar nose by the left hand is not behind the hand...work : Run engine at the following intervals: Full-time professional users: every 3 months Semi-professional users: every 6 months Occasional users: every 12 months 066 29 the chain must be checked and serviced regularly by the inertia of the front hand guard if the kickback force of chain brake Before...
Instruction Manual
Page 36
... the engine - Drain and clean the fuel tank •• Run engine until carburetor is dry Storing the Machine For periods of the bar groove - STIHL Bioplus), fill the chain oil tank. • Store the machine in power - out of the reach of children and other unauthorized persons...
... the engine - Drain and clean the fuel tank •• Run engine until carburetor is dry Storing the Machine For periods of the bar groove - STIHL Bioplus), fill the chain oil tank. • Store the machine in power - out of the reach of children and other unauthorized persons...
Instruction Manual
Page 37
... simply installing a choice of stubborn dirt or sticky filter fabric: • Wash the filter in a fresh, non-flammable solution (e.g. Therefore, always use and keep STIHL filters dry. 066 • Undo the knob above the rear handle in a dry condition. warm soapy water) and then dry. • Do not impregnate standard wire mesh...
... simply installing a choice of stubborn dirt or sticky filter fabric: • Wash the filter in a fresh, non-flammable solution (e.g. Therefore, always use and keep STIHL filters dry. 066 • Undo the knob above the rear handle in a dry condition. warm soapy water) and then dry. • Do not impregnate standard wire mesh...
Instruction Manual
Page 38
...not expose to high temperatures. • Fit the felt prefilter (1) over the HD filter (2) - Always replace a damaged filter. 36 066 Rinse the filter, from the inside outward, under a low-pressure water jet. For this reason the felt prefilter should be replaced at ... felt prefilter) and carburetor box cover. • Check carburetor setting and readjust if necessary. note correct installed position • Install HD filter (with STIHL universal cleaner or in a clean, non-flammable cleaning solution (e.g. Cleaning HD Filter 2 1 2 1 171BA013 KN 171BA014 KN 145BA030 K Clean the felt...
...not expose to high temperatures. • Fit the felt prefilter (1) over the HD filter (2) - Always replace a damaged filter. 36 066 Rinse the filter, from the inside outward, under a low-pressure water jet. For this reason the felt prefilter should be replaced at ... felt prefilter) and carburetor box cover. • Check carburetor setting and readjust if necessary. note correct installed position • Install HD filter (with STIHL universal cleaner or in a clean, non-flammable cleaning solution (e.g. Cleaning HD Filter 2 1 2 1 171BA013 KN 171BA014 KN 145BA030 K Clean the felt...
Instruction Manual
Page 42
..."). If engine is down . Rectify problems which may create arcing that could ignite combustible fumes and cause a fire. 066 To reduce the risk of fire and burn injury, use only spark plugs authorized by STIHL (see chapter "Starting": Clean dirty spark plug. •• Check electrode gap it must be 0.5mm/0.02...
..."). If engine is down . Rectify problems which may create arcing that could ignite combustible fumes and cause a fire. 066 To reduce the risk of fire and burn injury, use only spark plugs authorized by STIHL (see chapter "Starting": Clean dirty spark plug. •• Check electrode gap it must be 0.5mm/0.02...
Instruction Manual
Page 45
.... Warranty claims following repairs can be accepted only if the repair has been performed by the STlHL part number, the logo p and the STIHL parts symbol ( The symbol may appear alone on the crankshaft. Model Machine number Guide bar part number Chain part number Sprocket part number For... and new clutch drum, if necessary - • Fit rim sprocket with STIHL grease (tube 0781 120 1111). This will make re-ordering simpler. Use only original STIHL clutch drums to ensure correct operation of the chain brake. 066 K Please enter your saw model, the part numbers and names of the ...
.... Warranty claims following repairs can be accepted only if the repair has been performed by the STlHL part number, the logo p and the STIHL parts symbol ( The symbol may appear alone on the crankshaft. Model Machine number Guide bar part number Chain part number Sprocket part number For... and new clutch drum, if necessary - • Fit rim sprocket with STIHL grease (tube 0781 120 1111). This will make re-ordering simpler. Use only original STIHL clutch drums to ensure correct operation of the chain brake. 066 K Please enter your saw model, the part numbers and names of the ...
Instruction Manual
Page 49
... working time is longer than normal or cutting conditions are difficult (very dusty work or daily after the first 10 to 20 hours of operation 066 x x x x x x x x 29 x 29 27 xx x 28 x x 28 x x 44 x x 26, 34 x 44 x 38 x x x xx x 42 x x 35 x 35 x x x x 39 x 39 x... vibration buffers Spark arrestor screen in muffler Chain catcher Visual inspection (condition leaks) Clean Check operation Check operation Check by STIHL dealer Check Clean, Replace filter element Replace pick-up body Clean Clean Check Inspect, also check sharpness Check chain tension Sharpen...
... working time is longer than normal or cutting conditions are difficult (very dusty work or daily after the first 10 to 20 hours of operation 066 x x x x x x x x 29 x 29 27 xx x 28 x x 28 x x 44 x x 26, 34 x 44 x 38 x x x xx x 42 x x 35 x 35 x x x x 39 x 39 x... vibration buffers Spark arrestor screen in muffler Chain catcher Visual inspection (condition leaks) Clean Check operation Check operation Check by STIHL dealer Check Clean, Replace filter element Replace pick-up body Clean Clean Check Inspect, also check sharpness Check chain tension Sharpen...
Instruction Manual
Page 50
...: 8-tooth 3/8" pitch rim sprocket Since new bar/chain combinations may be developed after publication of "low kickback chain" on page 12. 48 066 Specifications Engine STIHL single cylinder two-stroke engine Displacement: Bore: Stroke: Idle speed: Maximum engine speed (cut-off speed): 91.6 cm3 54 mm 40 mm ... (46 RS, 46 RSF, 46 RSL, 46 RSLF, 46 RSLH), Rapid-Standard (46 RCX) * See definition of this Manual, ask your STIHL dealer for the latest STIHL recommendations. Additional manual oil flow control Oil tank capacity: 0.315 l (0.67 US pt) Weight without bar and chain: 7.3 kg (16.1 lb...
...: 8-tooth 3/8" pitch rim sprocket Since new bar/chain combinations may be developed after publication of "low kickback chain" on page 12. 48 066 Specifications Engine STIHL single cylinder two-stroke engine Displacement: Bore: Stroke: Idle speed: Maximum engine speed (cut-off speed): 91.6 cm3 54 mm 40 mm ... (46 RS, 46 RSF, 46 RSL, 46 RSLF, 46 RSLH), Rapid-Standard (46 RCX) * See definition of this Manual, ask your STIHL dealer for the latest STIHL recommendations. Additional manual oil flow control Oil tank capacity: 0.315 l (0.67 US pt) Weight without bar and chain: 7.3 kg (16.1 lb...
Instruction Manual
Page 51
... shall not reduce the warranty obligations of your small off -road equipment engines must be repaired or replaced by STIHL Incorporated STIHL Incorporated warrants to STIHL Inc., 536 Viking Drive, P.O. You are warranted for the period of time listed below provided there has been... that you can write to the ultimate purchaser and each subsequent 066 49 In the U.S. Your emission control system includes parts such as a problem exists. If you are pleased to conform with U.S. STIHL Incorporated Federal Emission Control Warranty Statement Your Warranty Rights and Obligations ...
... shall not reduce the warranty obligations of your small off -road equipment engines must be repaired or replaced by STIHL Incorporated STIHL Incorporated warrants to STIHL Inc., 536 Viking Drive, P.O. You are warranted for the period of time listed below provided there has been... that you can write to the ultimate purchaser and each subsequent 066 49 In the U.S. Your emission control system includes parts such as a problem exists. If you are pleased to conform with U.S. STIHL Incorporated Federal Emission Control Warranty Statement Your Warranty Rights and Obligations ...
Instruction Manual
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... any independent test laboratory. Any such work will be charged for required maintenance at and after the first scheduled replacement point. 066 repair or replacement required because of misuse, neglect or lack of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel..."). The following : - Limitations This Emission Control Systems Warranty shall not cover any authorized STIHL servicing dealer and present the signed warranty card. Warranty Period The warranty period will begin on your engine is scheduled for replacement...
... any independent test laboratory. Any such work will be charged for required maintenance at and after the first scheduled replacement point. 066 repair or replacement required because of misuse, neglect or lack of the recommended 2-stroke fuel-oil mixture (see also instruction "Fuel..."). The following : - Limitations This Emission Control Systems Warranty shall not cover any authorized STIHL servicing dealer and present the signed warranty card. Warranty Period The warranty period will begin on your engine is scheduled for replacement...