Instruction Manual
Page 3
... Because a chainsaw is to operate your STIHL dealer for all of Saw 2 Definitions 3 Safety Precautions 4 - Printed in Germany 046 Air Filter System 36 Remove, Cleaning 36 HD Filter 37 Winter Operation 38 Electric Handle Heating* 38 Adjusting Carburetor 39 Motor management 39 Checking Spark Arresting Screen...as with any of Guide Bar 34 Oil Quantity Control 34 During Break-in this Manual to continually improve all STIHL 046 series power saws. To receive maximum performance and satisfaction from your saw to -time. Pay special attention to the...
... Because a chainsaw is to operate your STIHL dealer for all of Saw 2 Definitions 3 Safety Precautions 4 - Printed in Germany 046 Air Filter System 36 Remove, Cleaning 36 HD Filter 37 Winter Operation 38 Electric Handle Heating* 38 Adjusting Carburetor 39 Motor management 39 Checking Spark Arresting Screen...as with any of Guide Bar 34 Oil Quantity Control 34 During Break-in this Manual to continually improve all STIHL 046 series power saws. To receive maximum performance and satisfaction from your saw to -time. Pay special attention to the...
Instruction Manual
Page 4
Main Parts of Saw 2 1 3 5 4 6 8 7 9 10 11 14 13 12 15 16 17 19 18 21 22 20 23 2 145BA025 KN 145BA026 K 1 = Carburetor box cover twist lock 2 = Spark plug boot 3 = Handle heating switch 4 = Chain sprocket cover 5 = Chain sprocket 6 = Chain brake 7 = Chain catcher 8 = Chain tensioner 9 = Bumper spike 10 = Guide ... 17 = Starter grip 18 = Master Control lever 19 = Fuel filler cap 20 = Throttle trigger 21 = Throttle trigger interlock 22 = Rear handle 23 = Rear hand guard 046
Main Parts of Saw 2 1 3 5 4 6 8 7 9 10 11 14 13 12 15 16 17 19 18 21 22 20 23 2 145BA025 KN 145BA026 K 1 = Carburetor box cover twist lock 2 = Spark plug boot 3 = Handle heating switch 4 = Chain sprocket cover 5 = Chain sprocket 6 = Chain brake 7 = Chain catcher 8 = Chain tensioner 9 = Bumper spike 10 = Guide ... 17 = Starter grip 18 = Master Control lever 19 = Fuel filler cap 20 = Throttle trigger 21 = Throttle trigger interlock 22 = Rear handle 23 = Rear hand guard 046
Instruction Manual
Page 5
... saw . 16. Anti-Vibration System The anti-vibration system includes a number of buffers designed to reduce the transmission of the starter, for carburetor box cover. 2. Front Hand Guard Provides protection against wood. 10. Spark Plug Boot Connects the spark plug with the ignition wire. 3.... Guide Bar Supports and guides the saw chain. 046 11. Rear Hand Guard Gives added protection to the operator's hands. (not illustrated). 3 Carburetor Box Cover Twist Lock Lock for starting easier 17. Chain Brake A device to stop switch position...
... saw . 16. Anti-Vibration System The anti-vibration system includes a number of buffers designed to reduce the transmission of the starter, for carburetor box cover. 2. Front Hand Guard Provides protection against wood. 10. Spark Plug Boot Connects the spark plug with the ignition wire. 3.... Guide Bar Supports and guides the saw chain. 046 11. Rear Hand Guard Gives added protection to the operator's hands. (not illustrated). 3 Carburetor Box Cover Twist Lock Lock for starting easier 17. Chain Brake A device to stop switch position...
Instruction Manual
Page 26
... which may cause a fire. !Warning! You can render it is used and other factors. Tighten all nuts, bolts and screws except the carburetor adjustment screws after each time it inoperable. In order for the chain brake on the wood. Additionally, the daily maintenance schedule for periodic inspection ...could ignite combustible fumes and cause a fire. Like an automobile brake, a chainsaw chain brake incurs wear each use only spark plugs authorized by STIHL. in a dry place and away from spark plug or with a spark-arresting screen to cut and burn marks appear on your muffler was ...
... which may cause a fire. !Warning! You can render it is used and other factors. Tighten all nuts, bolts and screws except the carburetor adjustment screws after each time it inoperable. In order for the chain brake on the wood. Additionally, the daily maintenance schedule for periodic inspection ...could ignite combustible fumes and cause a fire. Like an automobile brake, a chainsaw chain brake incurs wear each use only spark plugs authorized by STIHL. in a dry place and away from spark plug or with a spark-arresting screen to cut and burn marks appear on your muffler was ...
Instruction Manual
Page 28
...; Check chain tension frequently see section "During Operation". Some fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines etc.), but magnesium castings as well. This, in turn tensioning screw... in engine temperature. This could cause running problems or even damage the engine. Use only STIHL two-stroke engine oil or equivalent branded two-stroke aircooled engine oils with the classification TC.... often than one that you use for mixing. 26 046 If the octane number of 90 ROZ (U.S.A./Canada: pump octane min. 89!). A new chain has...
...; Check chain tension frequently see section "During Operation". Some fuel additives not only detrimentally affect elastomers (carburetor diaphragms, oil seals, fuel lines etc.), but magnesium castings as well. This, in turn tensioning screw... in engine temperature. This could cause running problems or even damage the engine. Use only STIHL two-stroke engine oil or equivalent branded two-stroke aircooled engine oils with the classification TC.... often than one that you use for mixing. 26 046 If the octane number of 90 ROZ (U.S.A./Canada: pump octane min. 89!). A new chain has...
Instruction Manual
Page 29
...formulated for a long period, drain and clean the fuel tank and run engine until carburetor is stored should be cleaned from escaping gas vapor and fumes, remove the fuel filler...at authorized disposal locations. Always thoroughly shake the mixture in the tank to tighten slotted fuel caps. 046 143BA008 KN 143BA009 KN Change the fuel pick up in the canister before fueling your machine for use... BIA or TCW (two-stroke water cooled) mix oils! Fueling We recommend STIHL 50:1 two-stroke engine oil since it to exceed 3 months of combination wrench) to release ...
...formulated for a long period, drain and clean the fuel tank and run engine until carburetor is stored should be cleaned from escaping gas vapor and fumes, remove the fuel filler...at authorized disposal locations. Always thoroughly shake the mixture in the tank to tighten slotted fuel caps. 046 143BA008 KN 143BA009 KN Change the fuel pick up in the canister before fueling your machine for use... BIA or TCW (two-stroke water cooled) mix oils! Fueling We recommend STIHL 50:1 two-stroke engine oil since it to exceed 3 months of combination wrench) to release ...
Instruction Manual
Page 35
... whole cutting attachment will be broken in for short period. • Change over to winter operation if necessary see section "Checking Chain Tension". 143BA024 KN 046 33 The saw without chain lubrication. Always check chain lubrication and oil level in tank before starting work. • Every new chain has to be..." n quickly enough after the engine began to fire, the combustion chamber has flooded. • Turn the knob above the rear handle counterclockwise lift away the carburetor box cover. If engine doesn't start the engine.
... whole cutting attachment will be broken in for short period. • Change over to winter operation if necessary see section "Checking Chain Tension". 143BA024 KN 046 33 The saw without chain lubrication. Always check chain lubrication and oil level in tank before starting work. • Every new chain has to be..." n quickly enough after the engine began to fire, the combustion chamber has flooded. • Turn the knob above the rear handle counterclockwise lift away the carburetor box cover. If engine doesn't start the engine.
Instruction Manual
Page 37
...so that engine heat can be dissipated by hand. If it cools down . This protects engine-mounted components (ignition, carburetor) from thermal overload. 046 35 Do not make the mixture leaner to 15 tank fillings. Running the engine at higher revs with the chain brake ... the frictional resistances in power - If it cools down . Retension if necessary see section "Tensioning the Saw Chain". see section "Adjusting Carburetor". Important: Always disengage the chain brake before opening the throttle. Check chain tension frequently. A new chain has to sag. The chain ...
...so that engine heat can be dissipated by hand. If it cools down . This protects engine-mounted components (ignition, carburetor) from thermal overload. 046 35 Do not make the mixture leaner to 15 tank fillings. Running the engine at higher revs with the chain brake ... the frictional resistances in power - If it cools down . Retension if necessary see section "Tensioning the Saw Chain". see section "Adjusting Carburetor". Important: Always disengage the chain brake before opening the throttle. Check chain tension frequently. A new chain has to sag. The chain ...
Instruction Manual
Page 38
Note: STIHL standard and HD filters have a long wear life when used in a fresh non-flammable solution (e.g. Always replace a damaged filter element. • Refit the filter. 046 HD filter (2) (black) for normal operating conditions and winter operation. Standard wire mesh filter (1) (green) for dry and very ...power, increase fuel consumption and make starting more difficult. Therefore, always use and keep STIHL filters dry. • Undo the knob above the rear handle in direction of arrow and remove the carburetor box cover. • Pull off the filter. 36 When there is a noticeable ...
Note: STIHL standard and HD filters have a long wear life when used in a fresh non-flammable solution (e.g. Always replace a damaged filter element. • Refit the filter. 046 HD filter (2) (black) for normal operating conditions and winter operation. Standard wire mesh filter (1) (green) for dry and very ...power, increase fuel consumption and make starting more difficult. Therefore, always use and keep STIHL filters dry. • Undo the knob above the rear handle in direction of arrow and remove the carburetor box cover. • Pull off the filter. 36 When there is a noticeable ...
Instruction Manual
Page 39
...the HD filter (2) - Always replace a damaged filter. 046 37 warm soapy water). Rinse the filter, from the inside outward, under a low-pressure water jet. note correct installed position (see ilustration) • Install HD filter (with STIHL universal cleaner or in a clean, non-flammable cleaning ... than the HD filter. In case of stubborn dirt or sticky filter fabric: • Wash with felt prefilter) and carburetor box cover. • Check carburetor setting and readjust if necessary. The felt prefilter helps protect the HD filter and thus extends its useful life. Cleaning HD...
...the HD filter (2) - Always replace a damaged filter. 046 37 warm soapy water). Rinse the filter, from the inside outward, under a low-pressure water jet. note correct installed position (see ilustration) • Install HD filter (with STIHL universal cleaner or in a clean, non-flammable cleaning ... than the HD filter. In case of stubborn dirt or sticky filter fabric: • Wash with felt prefilter) and carburetor box cover. • Check carburetor setting and readjust if necessary. The felt prefilter helps protect the HD filter and thus extends its useful life. Cleaning HD...
Instruction Manual
Page 40
...position to avoid engine running problems, first check that conditions for use your saw is maintenance-free. *Special accessory *Special equipment 38 046 Heated air is advisable to fit the cover plate* on the fan housing if you use of engine running problems and overheating. ...fan housing to summer position. When the cover plate is no risk of overheating during long periods of the HD filter. • Refit the carburetor box cover and tighten down the knob. In the event of intake air preheating still apply. Winter Operation Electric Handle Heating* 1 2 145BA035 K...
...position to avoid engine running problems, first check that conditions for use your saw is maintenance-free. *Special accessory *Special equipment 38 046 Heated air is advisable to fit the cover plate* on the fan housing if you use of engine running problems and overheating. ...fan housing to summer position. When the cover plate is no risk of overheating during long periods of the HD filter. • Refit the carburetor box cover and tighten down the knob. In the event of intake air preheating still apply. Winter Operation Electric Handle Heating* 1 2 145BA035 K...
Instruction Manual
Page 41
...setting too lean, the maximum permissible engine speed will be fuel efficient, operate reliably and produce low emissions. risk of carburetor setting for higher altitudes If the engine runs unsatisfactorily, slight readjustment may be necessary: Check standard setting •• ...acceleration Idle setting is idling • Turn the idle speed adjusting screw (LA) counterclockwise until engine runs and accelerates smoothly - 046 39 carburetion, ignition, timing and valve or port timing) without the addition of the fundamental engine parameters and components (e.g. Standard...
...setting too lean, the maximum permissible engine speed will be fuel efficient, operate reliably and produce low emissions. risk of carburetor setting for higher altitudes If the engine runs unsatisfactorily, slight readjustment may be necessary: Check standard setting •• ...acceleration Idle setting is idling • Turn the idle speed adjusting screw (LA) counterclockwise until engine runs and accelerates smoothly - 046 39 carburetion, ignition, timing and valve or port timing) without the addition of the fundamental engine parameters and components (e.g. Standard...
Instruction Manual
Page 43
...which may create arcing that could ignite combustible fumes and cause a fire. 046 41 Always press spark plug boot (2) snugly onto spark plug terminal (1)... trouble in operation. 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...down on power, difficult to form 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. ...
...which may create arcing that could ignite combustible fumes and cause a fire. 046 41 Always press spark plug boot (2) snugly onto spark plug terminal (1)... trouble in operation. 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...down on power, difficult to form 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. ...
Instruction Manual
Page 46
... and other unauthorized persons. 44 046 Clean the crankshaft stub and needle cage, and lubricate with STlHL grease (tube 0781 120 1111). STIHL Bioplus), fill the chain oil tank. • Store the machine in a well ventilated area. • Run engine until carburetor is dry this helps prevent the carburetor diaphragms sticking together. • Remove...
... and other unauthorized persons. 44 046 Clean the crankshaft stub and needle cage, and lubricate with STlHL grease (tube 0781 120 1111). STIHL Bioplus), fill the chain oil tank. • Store the machine in a well ventilated area. • Run engine until carburetor is dry this helps prevent the carburetor diaphragms sticking together. • Remove...
Instruction Manual
Page 50
... 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 Check by STIHL dealer Check Clean, replace filter element Replace Clean Clean Check Inspect, also check sharpness Check chain ... x x 27 x x x 28 x x x x 26, 33 x 45 x 34 x x x xx x 43 x x 36 x 36 x x x x 39 x 39 x 41 x x x x x 40 x 046
... 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 Check by STIHL dealer Check Clean, replace filter element Replace Clean Clean Check Inspect, also check sharpness Check chain ... x x 27 x x x 28 x x x x 26, 33 x 45 x 34 x x x xx x 43 x x 36 x 36 x x x x 39 x 39 x 41 x x x x x 40 x 046
Instruction Manual
Page 51
...36 RSLH). Electronic magneto ignition (breakerless) Spark plug (suppressed): Bosch WSR 6 F or NGK BPMR 7 A Electrode gap 0.5 mm (0.02 in) All-position diaphragm carburetor with integral fuel pump Fuel mix See chapter "Fuel" Fuel tank capacity: 0.8 l (1.69 US pt) Oil tank capacity: 0.325 l (0.68 US pt) Weight ...1991, do not use replacement saw chain unless it has been designated as meeting the ANSI § 5.12 requirements on page 16. 046 49 Specifications Engine STIHL single cylinder two-stroke engine Displacement: Bore: Stroke: Idle speed: 76.5 cm3 (4.67 cu.in) 52 mm (2.05 in) 40 ...
...36 RSLH). Electronic magneto ignition (breakerless) Spark plug (suppressed): Bosch WSR 6 F or NGK BPMR 7 A Electrode gap 0.5 mm (0.02 in) All-position diaphragm carburetor with integral fuel pump Fuel mix See chapter "Fuel" Fuel tank capacity: 0.8 l (1.69 US pt) Oil tank capacity: 0.325 l (0.68 US pt) Weight ...1991, do not use replacement saw chain unless it has been designated as meeting the ANSI § 5.12 requirements on page 16. 046 49 Specifications Engine STIHL single cylinder two-stroke engine Displacement: Bore: Stroke: Idle speed: 76.5 cm3 (4.67 cu.in) 52 mm (2.05 in) 40 ...
Instruction Manual
Page 53
... engine is equivalent in materials and workmanship which cause it to fail to a STIHL service center as soon as the carburetor and the ignition system. Coverage by STIHL Incorporated free of engine use from defects in performance and durability may be repaired ...or replaced by STIHL Incorporated STIHL Incorporated warrants to the ultimate purchaser and each subsequent 046 51 STIHL Incorporated also warrants ...
... engine is equivalent in materials and workmanship which cause it to fail to a STIHL service center as soon as the carburetor and the ignition system. Coverage by STIHL Incorporated free of engine use from defects in performance and durability may be repaired ...or replaced by STIHL Incorporated STIHL Incorporated warrants to the ultimate purchaser and each subsequent 046 51 STIHL Incorporated also warrants ...
Instruction Manual
Page 54
... the emission-related warranted parts: Carburetor Choke (Cold start enrichment system)... cost to STIHL. STIHL Incorporated is tested as non-defective, STIHL Incorporated will ...STIHL servicing dealer and present the signed warranty card. Warranty Work STIHL...purchased by STIHL Incorporated,... replacements not conforming to STIHL Incorporated specifications that adversely ...STIHL servicing dealer or warranty station. Any such work will be performed at an authorized STIHL... be performed either at STIHL Incorporated or at any ...STIHL Incorporated at and after the first scheduled replacement point...
... the emission-related warranted parts: Carburetor Choke (Cold start enrichment system)... cost to STIHL. STIHL Incorporated is tested as non-defective, STIHL Incorporated will ...STIHL servicing dealer and present the signed warranty card. Warranty Work STIHL...purchased by STIHL Incorporated,... replacements not conforming to STIHL Incorporated specifications that adversely ...STIHL servicing dealer or warranty station. Any such work will be performed at an authorized STIHL... be performed either at STIHL Incorporated or at any ...STIHL Incorporated at and after the first scheduled replacement point...