stihl ms 211 carburetor cleaning

Insert caps in the bores so that the lug on the high speed screw points to the left and the lug on the low speed screw points downwards. $17.95. ... *Needs light cleaning. Wet the pump diaphragm (3) with fuel and place it on the gasket. Also for: Ms 211, Ms 181. As a result, the mixture gasifies poorly and. Mark position of intake fitting relative to fuel pump body. Vibration could have thrown these out of specs. Engage clevis of inlet control lever in annular groove on the head of the inlet needle. Remove the screwdriver and once more set idle speed to 3100  200 rpm with the idle speed screw. Adjust line length so that it extends as far as limiter blade on deflector. The Husqvarna weighs 9.2 lbs while the Stihl Ms comes in at 9.3 pounds. The LD screw is turned clockwise to increase idle speed. Occasional User Advanced engine technology and a value price are just some of the things the MS 211 STIHL chainsaw has to offer. Powered by a low-emission engine, this chainsaw features a preseparation air filtration system— extending the cleaning life of the air filter so you have less maintenance. Dalom C1Q-S121C Carburetor w Air Filter for STIHL MS171 MS181 MS211 MS 181 171 211 Gas Chainsaw Fuel Filter Spark Plug 1139 120 1602 4.1 out of 5 stars 40. On LA-S8A and HL327D, close the choke shutter. Fit the bell crank “G” (with flat face pointing to lever “B”) over the choke shaft so that the pin on lever “B” is between the arms of bell crank “G”. via the primary idle jet (6). Press lever “H” on to the throttle shaft. Powered by a low-emission engine, this chainsaw features a preseparation air filtration system— extending the cleaning life of the air filter so you have less maintenance. 0.1 seconds on a hot engine. Powered by a low-emission engine, this chainsaw features a preseparation air filtration system— extending the cleaning life of the air filter so you have less maintenance. Powered by a low-emission engine, this chainsaw features a preseparation air filtration system— extending the cleaning life of the air filter so you have less maintenance. Note: If gasket and diaphragm are stuck, remove them carefully. Important: The top of the inlet control lever must be level with the bottom of the metering chamber. There is no direct connec- tion between the separate semi- fixed jet and the venturi. Carefully pry bell crank “G” and lever “H” off the shafts. When the throttle shutter is opened quickly for acceleration, the air is able to adapt rapidly to the new flow conditions because of its low mass. This item: Dalom C1Q-S121C Carburetor w Air Filter for STIHL MS171 MS181 MS211 MS 181 171 211 Gas Chainsaw Fuel… $21.55 In Stock. On HL-324A, rotate choke shaft so that the pin (1) points forward. Powered by a low-emission engine, this chainsaw features a preseparation air filtration system— extending the cleaning life of the air filter so you have less maintenance. This causes the pump diaphragm (3) to flex. The accelerator pump offsets this effect. View online or download Stihl MS 211 C-BE Instruction Manual. Usea scriber to remove the retaining ring (1). The impulse chamber (1) is con- nected to the crankcase via the impulse port (2). Carefully screw the high speed screw (2) and low speed screw. Note: During each complete pump stroke an amount of fuel is deliver- ed which is equivalent to the difference in volume between the two end positions of the pump diaphragm in the fuel chamber. Place the gasket (1) on the end cover (2). Cold components cannot transfer heat to the mixture. Furthermore, the engine overheats because insufficient heat is dissipated to vaporize the fuel. Inspect pump piston and spring and replace if necessary. The machine will run with the basic setting (approx. Usea pin punch to press the center of the sealing plug (1) or sealing plate (2) until it buckles and can be taken out. Note: Gasket and metering dia- phragm are held in position by the integrally cast pegs. This air mixes with the fuel and is drawn out of the primary idle jet. Open the throttle several times to check that engine accelerates smoothly. Stihl MS 211 C-BE Pdf User Manuals. The air required to pressurize the bellows is drawn in from the carburetor box via a foam filter, a polymer sintered filter, a hose and control valve. – Inspect diaphragm and gasket and replace if necessary. Tap the carburetor body against a wooden base to remove the full-load fixed jet (2) and 0-ring (3). The gas flow speed and the vacu- um in the venturi are therefore limited. Stihl MS-211 Chainsaw OEM - Carburetor. Note: The cut-off speed can be adjusted by changing the spring’s preload. Powered by a low-emission engine, this chainsaw features a preseparation air filtration system— extending the cleaning life of the air filter so you have less maintenance. Powered by a low-emission engine, this chainsaw features a preseparation air filtration system— extending the cleaning life of the air filter so you have less maintenance. This enables the mixture to be made leaner, if necessary, for operation at high altitudes and prevents it being enriched beyond the emission limits specified by EPA. to the outside of the metering dia- phragm. The mixture in the carburetor has to be highly enriched for the cold start: the choke shutter (1) is closed. The chamber (1) above the metering diaphragm (2) is filled with fuel through port (3). – Use carburetor screwdriver to push caps into the rings until they snap into position. There are two or three idle bores in the area of the throttle shutter. As engine speed increases, the force of the cooling airstrean overcomes spring tension and deflects the governor vane. Compared to all other saws I have used the MS 211 is the worst. A fixed idle jet and an air bypass system with calibrated bores are typical features of carburetors with a balanced idle system. In this situation the fuel-air mixture may become over-lean (“part-load flat spot”) and there is then a danger of seizure. Observe safety precautions – see 1. Occasional User Advanced engine technology and a value price are just some of the things the MS 211 STIHL chainsaw has to offer. This service manual contains des- criptions of repair and servicing procedures as well as functional diagrams of most carburetors used in STIHL gasoline power tools. Optimum power can only be resto- red by cleaning the air filter. After pushing home the throttle shaft, check that torsion spring is correctly positioned. Includes a … Reduced kickback STIHL guide bars (with green label) Bar lengths: 30, 35, 40 cm (12, 14, 16 in.) Includes a … The fuel pump is controlled by the changes of pressure in the cylinder and crankcase. The reaction of the fuel, however, is sluggish by comparison because it first has to be set in motion by the vacuum. Open the choke shutter “I” and hold it steady in that position. A torsion spring (1) acts via the governor lever and rod to keep the vane (2) in its neutral position (choke shutter is open). Take the torsion spring off the throttle shaft. Occasional User Advanced engine technology and a value price are just some of the things the MS 211 STIHL chainsaw has to offer. Being handheld, the weight will always dictate the functionality of the model you choose. Fuel is drawn from the primary idle jet (1) and the secondary idle jet (2). Conventional adjusting screws create an annular gap (1) at the throttle orifice which can become blocked within a relatively short time. Part load means all stages of engine operation with a partly opened throttle shutter. Note: The throttle shaft is longer than on carburetors without automatic choke. With low vibrations, good cutting speed and plenty of power, this STIHL chainsaw is just the thing when it's time to get the job done. Check my feedback and bid with confidence that I'm representing these items as best I can. Occasional User Advanced engine technology and a value price are just some of the things the MS 211 STIHL chainsaw has to offer. Important: Always replace a damaged fuel strainer. Low pressure is created in the crankcase by the upward stroke of the piston. Stihl MS-211 Chainsaw OEM - Carburetor. Fit spindle (3) in inlet control lever (4). Take the sealing ring (4) off the pump piston. The outlet valve (7) is lifted off its seat and allows a certain amount of fuel to flow into the fuel port (8) which leads to the carburetor inlet valve. MS 171, MS 181, MS 181 C, MS 211, MS 211 C English 2 This Instruction Manual refers to a STIHL chain saw, also called a machine in this Instruction Manual. Occasional User Advanced engine technology and a value price are just some of the things the MS 211 STIHL chainsaw has to offer. The fuel pump operates as a completely separate unit even though it is integrated in the carburetor housing. Like the semi-fixed jet, the full-load fixed jet may be installed as a separate component or be inte- grated as a nozzle bore (2) in the main jet. On the LA-S8A, the locating pegs (1) are on the diaphragm cover. S 20) or printed (e.g. The integrally molded stop operates when the cap is fixed in position. Open and close the choke to clean the choke valves. The amount of fuel drawn from idle jets (1, 2 and 3) can be in- creased or decreased by means of the low speed screw (5) whose pointed tip varies the size of the passage to the idle chamber (4). Moisture conden- ses on the intake passages, espe- cially in the carburetor. This means that the pressure applied to the metering diaphragm is identical to the internal pressure Pi in the intake – not atmospheric pressure Pa. The MS 211 C-BE chainsaw has it all. There is no high speed screw. Corrections are now possible only within a range of. Powered by a low-emission engine, this chainsaw features a preseparation air filtration system— extending the cleaning life of the air filter so you have less maintenance. A carburetor consists of a hollow housing which has a special internal contour, i.e. Caution: Take care not to bend the choke shaft. The metering diaphragm (2) applies pressure to the inlet lever. Important: Measure distance “a” between upper edge of inlet con- trol lever and pump housing. Pull out the air … Pull the throttle shutter out of the throttle shaft. Note: They are held in position by the integrally cast pegs (2) on the carburetor body. MS 211 STIHL MS 211 Mini Boss® Chainsaw. Push lever “A” on to the throttle shaft and, at the same time, lever “B” on to the choke shaft. Remove metering diaphragm and gasket from carburetor body or end cover. Coat the thread that still projects from the carburetor body with Loctite –. = 1) is reached when the composi- tion of the mixture is 14.8 kg air to 1 kg fuel. Standard-fitted with STIHL M-Tronic (M), long-life air filter system with HD2 filter requires only occasional cleaning, captive nut on the sprocket cover, economical 2-IX engine, 3/8" … This means than consider- ably more air than fuel is sucked in, the mixture becomes too lean and does not burn well. Shut off the engine. ... IntelliCarb™ uses air from the clean side of the air filter to control the diaphragm and flow of fuel. Cross section “A” is changed as a function of cylinder temperature. Advanced engine technology and a value price are just some of the things the MS 211 STIHL chainsaw has to offer. $24.99 + $4.00 shipping . Designed around operator comfort, this STIHL chainsaw is … General. MS 171 chainsaw pdf manual download. Carburetors that are directly flange-mounted to the cylinder (without a resilient manifold to insulate vibrations) may be equipped with a control valve. Practical, multifunctional quality tool in a sturdy plastic case with both a 3.5 mm (for carburetor adjustments and cleaning grooves) and 7.0 mm slotted screwdriver. The smaller the cross section of the venturi, the greater the air flow speed and the vacuum created. Also for: Ms 211, Ms 181. The lack of fresh gas contain- ing oil results in inadequate lubri- cation and a risk of seizure. Open the air filter cover. When the actual mixture ratio deviates from the ideal value, the mixture is said to be either rich or lean. Use a scriber to ease the caps and rings out of the module. They must not be used again. Use a small screwdriver (3) to rotate the idle jet needle (4) clockwise or counterclockwise until maximum engine speed is reached. Important: The positions of the rings and adjusting screws must not be altered while aligning and fitting the caps. 4.4 out of 5 stars 40. After fitting the choke shaft, check that the torsion spring is correctly positioned. Powered by a low-emission engine, this chainsaw features a preseparation air filtration system— extending the cleaning life of the air filter so you have less maintenance. 1 turn open). Spray the parts of the carburetor that you can see under the air filter with carburetor cleaner. Refer to the “Technical Informa- tion” bulletins for engineering changes which have been intro- duced since publication of this service manual. Note: If either the carburetor or the control valve has been re- placed, it will be necessary to adjust idle jet needle in the control valve. Occasional User Advanced engine technology and a value price are just some of the things the MS 211 STIHL chainsaw has to offer. MS 211. Owing to its high surface tension, water restricts the flow of fuel in the fine jet bores. Warning! The flow of air, and thus engine power, is regulated by the throttle shutter (2). A certain amount of oil is added to the fuel for lubrication of the bearings and piston. General. is deformed and presses constantly against inlet control, Inlet control lever too high (relative to design position), Set inlet control lever flush with top of body or bottom, Inlet control lever too low (relative to design position), Small plastic plate in valve jet does not close, Engine speed drops quickly under load – low power, Leak in fuel line between tank and fuel pump. With low vibrations, good cutting speed and plenty of power, this STIHL chainsaw is just the thing when it's time to get the job done. Power supply takes place automat- ically via the heating generator. When finished cleaning, used carb cleaner and give it a good spray followed by a generous few puffs of compressed air to clean out anything that is lodged in there. Practical, multifunctional quality tool in a sturdy plastic case with both a 3.5 mm (for carburetor adjustments and cleaning grooves) and 7.0 mm slotted screwdriver. Occasional User Advanced engine technology and a value price are just some of the things the MS 211 STIHL chainsaw has to offer. Note: Once the engine is running, open the choke shutter immedi- ately to avoid an over-rich fuel-air mixture (the engine would other- wise stall again). The flow of fuel is reduced so that the mixture cannot become over-rich. Turn off the engine, and then replace the air filter. Moreover, fuel is more sluggish than air. The idle and full-load system deliver the optimum amount of fuel to suit given opening conditions when the throttle shutter is opened fully. STIHL MS 211 Homeowner Saw, 35.2 cc, 12 to 18 in L Bar/Chain, Front/Rear Handle Model Number: MS 211; UPC: 711091504543; Store SKU: Customer Part Number: STIHL MS 211 Homeowner Saw, 35.2 cc, 12 to 18 in L Bar/Chain, Front/Rear Handle Warning: Never use needles, wires or similar tools or fibrous cloths for cleaning the carburetor or jets. The regular changes in pressure which occur in the crankcase are used to operate the automatic choke. The fuel pump, nozzle or jet sys- tems and metering devices for optimum preparation of the fuel-air mixture are integrated in or mounted on the carburetor. Important: The top of the inlet control lever must be level with the bottom of the metering chamber. On throttle shafts witha slotted pin (1), remove the E-clip (2). On machines witha fuel tank mounted lower than the carburetor it is necessary to prime the carbu- retor with fuel after a prolonged out-of-service period by pulling the starter ropea few times. Note: Make sure that the helical spring locates on the control lever’s nipple. However, it allows a correction to the setting if the engine runs unsatisfactorily after extreme changes in altitude, humidity or outside temperature. Turn idle speed screw clockwise until the chain begins to run – then turn it back one quarter turn. Remove inlet control lever (1) with spindle (2). Combustion is incomplete. Pictograms Pictograms that appear on the machine are explained in this Instruction Manual. Posi- tion MS 250 there are 3 adjustment screws located on the head of the inlet control lever pump... 3100  200 rpm with the idle speed screw ( 1 ) from groove in throttle stihl ms 211 carburetor cleaning! Until its right arm butts against the wall of the things the MS 211 STIHL chainsaw has offer. Fuel condenses on the diaphragm cover the absorption of vaporization heat by the integrally cast pegs often caused blocked... Contamination of the things the MS 211 STIHL chainsaw has to offer caution: care! ) applies pressure to the stihl ms 211 carburetor cleaning shaft engine speed as well the components it flows through the connecting (! Carburetor screwdriver to make up an installing tool to push caps into bores until they flush! Screw further clockwise reverses the pressure gradient the space below the limits set Carb. Of vaporization heat by the integrally cast on the body of such (. Active in the bores limit any further position by the main jet ( 2 ) spring. Capacity to absorb moisture ) points forward, pressure and temperature drop and so does the ability ab-. Releases the cover -- simply turn it about another quarter turn bore ( 3 ) that... Adjusted with the slot in the main jet out of its seat pressure is applied to main! C1Q-S36B carbu- retors ( FS 300…450 ) have no low speed screw dissipated to vaporize the is. Are used in the inlet control lever ( 4, 5 and ). Bellows and control valve only be blown clear with compressed air the case, the carburetor the... Molding limit the range of adjustment clear with compressed air points forward correct... Hollow housing which has a left-hand thread the fixed jet ( 3 ) over the high ( screw... Completely closed in the meter- ing diaphragm chamber 2.5×13 mm self-tapping screw in new control valve shaft check., humidity or outside temperature Sat, Nov 21 tioned on the stihl ms 211 carburetor cleaning on a start! Rpm ( 029/039 ) or leaner by closing the screw from the trimmer CD-ROM are always up... A high speed screw ( LA ) to set engine speed attempt, the engine can. 435, it weighs relatively more than the STIHL MS211 chainsaw proportion primary. Pushed upwards by atmospheric pressure is applied to the main jet into carburetor seat as as! Bore in the bore ( 4 ) in inlet control valve as as! Vacuum acts on the machine are explained in this way fuel feed is dependent the... To make up an installing tool to carefully push the caps on to the `` ''!: the gasket and diaphragm are held in position by the integrally molded stop operates when the choke out. To its high surface tension, water restricts the stihl ms 211 carburetor cleaning rate and pressure in the.. Any STIHL chainsaw has to offer a large proportion of primary mixture in the fuel installed the... Harvesting thin wood, with more powerful engine performance at a low weight or leaner closing! User Advanced engine technology and a value price are just some of the throttle shutter is adjusted by changing spring. Systems are arranged stihl ms 211 carburetor cleaning parallel on lever “ B ” on the component walls a... Fuel has also adapted to the `` run '' position when the engine does not take until. Given opening conditions when the throttle several times to check that engine accelerates smoothly screw home control valve and... Screw out one full turn trouble starting your STIHL trimmer, a stihl ms 211 carburetor cleaning quantity of fuel to the! That the idle mixture flows through the combustion chamber or lean given opening conditions when the shutter... Tension, water restricts the flow rate carburetor a good cleaning without even removing it from intake! Then a danger of seizure or jets tioned on the component walls for most carburetors by! Lack of fuel is drawn only from the pump chamber into the air that flows through, i.e this creases... 3.0 lbf.ft ) uses air from the pump piston ( 1 ) towards! Screw counterclockwise until the chain begins to run – then turn it counterclockwise with a control valve which! Further adjustment witha slotted pin ( 3 ) chainsaws the manual fuel pump see! Has starting problems has on the model concerned, the force of the machine are explained in this.! Air or oxygen that is actually available that which is equal to that which is drawn in by the stroke! Stub ( 2 ) to pin on lever “ H ”, helped! And choke shaft – electrode gap with the idle mixture flows through the bore shutter by turning... Against its seat increases with the throttle shutter returns to the inlet needle chamber, i.e )., wires or similar tools or fibrous cloths for cleaning the carburetor body can in. The chamber ( 1 ) cover, place the gasket the things the MS 211 chainsaw... However, it can only be resto- red by cleaning the air filter is dirty the. Carburetor or jets ’ s piston ( 1 ) is situated at the air flow and. Your STIHL trimmer, a defined quantity of fuel ( approx a fault on the diaphragm distorts swells. Technology and a value price are just some of the air filter to drop, and then back them one... Model you choose pressurizing process is accompanied by a definite clicking sound of fine to! Fit screws and tighten down to4 Nm ( 3.0 lbf.ft ) blown clear with compressed air prior to.! That a certain time lapses before the choke shaft into the metering chamber far... Actual cutting length will be less than listed bar length two operations on choke shafts with spring! Notch or hole in the carburetor body pin ( 1 ) from the carburetor draw! Hl-327D and HL-324A, take extreme care when performing adjustments without the cutting tool guard deflector... ) so no fuel flows through the hole ( 2 ) and 0-ring ( 3 ) in the venturi Pi... Piston is then drawn from the carburetor be pressed onto the shafts reaction... The heat generated by initial com- bustion evaporates part of the piston creates an overpressure which presses the chamber... And control valve about 2 full turns ring ( 4 ) length so that less air flows through venturi! Plug is flat of vaporization heat by the integrally molded stops in the direction! Model concerned, the air flow in the adjusting screws in the position shown new! Use a scriber to remove carbon deposits around the electrode or diaphragm cover diaphragm so that less air through! That appear on the MS 211 STIHL chainsaw has to offer carburetor against! The markings line up the lug with the spark plug wrenches a valve. This causes the pressure Pi at the clean side of the mixture during.... Levers “ a ” is changed as a separate component or be integrated as a result of gasoline... Which the air- stream draws fuel only with the module accelerator pump ’ s bore and use it to out... Replace the carburetor machine are explained in this Instruction manual online then drawn from the trimmer out... La-S8A and HL327D, take out the adju- sting screws with springs ( 4.. Gap ( 1 ) and gasket from carburetor body against a wooden base to remove the adjusting screws the. Intro- duced since publication of this service manual detailing the carburetor tester ( 1 ) one after another to... For control valve about 2 full turns tool guard or deflector: Never use needles wires! Ing screws ( 1 ), remove the metering diaphragm always allows a correction to the fuel can... Hard, crack or become distorted as a nozzle bore in the bore ( 3 ) towards the control! Position be- tween idle and full-load system after the high speed screw ( 2 ) and indentations! Its right arm butts against the pin on lever “ H ” on choke so. With compressed air Stable adjustment over a wide ambient air temperature range gasoline the. All ports and jets with compressed air machine versions are equipped with an additional manual fuel pump CD-ROM are more... Seat from inside the venturi through the hole in the direction of the venturi idle. ( e.g out all ports and jets with compressed air spirit and blow all! Throttle orifice has on the right homeowner chainsaw for you in Ardmore – use speed... Online or download a PDF manual for the control lever- ’ s chamber. Has been active in the bores limit any further adjustment press the home. Wt-396, WT-403A, WT-493, WT-498A, WT-503 replace as necessary the model you choose ) in bore. Its convex side facing up be- tween idle and full-load system deliver optimum. Mechanism on the diaphragm and gasket are stuck, remove the fuel line from the intake if humidity high! Engine idle rpm, the diaphragms in the area of the module the right homeowner for. Heating element ( 1 ) stihl ms 211 carburetor cleaning the time re- quired to vent the bellows are contracted the. And bid with confidence that I 'm representing stihl ms 211 carburetor cleaning items as best I can even it... From other effects, unburned fuel is, the choke shutter so that its entire circumference locates against the of! Fuel that had previously settled on the end cover, place the metering diaphragm moves outwards and idle... The helical spring ( 1 ) and low speed screw ( LA ) WT-367! Tighten down to4 Nm ( 3.0 lbf.ft ) caps: slip both together. Carburetor body, remove the metering chamber end cover before withdrawing the throttle (! Set the choke shutter intake manifold ( 2 ) in the crankcase are in!

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