I doubt that you will find such a drilling. This jet feeds air into the fuel mixture, and so stops the carburetor going over-rich at medium-high throttle. So before I can even begin to tune the engine properly I've got to find and fix whatever's holding the throttle valve open. A side effect of the Solex type is that they can be set to run with just the right mixture at medium (town) speeds -- but the high speeds will then result in a leaner mixture. The Carb I am replacing is the original solex, a 31 pict 3, this is the same throat diameter as the 30 carbs. Brosol H30/31 Carburettors Glad that you found the identification. Parts/Rebuild. It had a 125 Main Jet with an Air Correction Jet size of 125z. If you can wiggle the shaft in the orifice (in other words the shaft opening has enlarged) you will need to send the throttle body to a carburetor specialist. Illustration #4 shows identical drillings in both carburetor top halves but, again, no dispensing tube in the 66 version (left). manifold itself before it attaches to the cylinder head.). jay. This carburetor is proving to be the most popular choice for most restoration enthusiasts. (The H30/31 designation comes from the fact that this carburettor is a direct replacement for both the 30-series (with a 24mm throat) and the 31-series (25.5mm throat) used on the post-1971 1300s in Europe etc. This flapper valve wants to be set to close very loosely! 30PICT-1 Replacement VW Carburetor, for Single Port Intake Manifolds, Part Number: 113129029HJB. car-workshop-manuals-vw-beetle 1/6 Downloaded from uniport.edu.ng on February 28, 2023 by guest Car Workshop Manuals Vw Beetle Thank you certainly much for downloading car workshop manuals vw beetle.Most . Question continued - The throttle shaft was damp from leaking fuel (not dripping but a little wet), so I guess it does have a vacuum leak. 30/31 PICT-3 Type 1 & 2 Bug Bus Ghia. Upon comparing carburetors closely, I had no choice but to agree with the facts. This is important, and they should be set in this order, as you will start with the engine cold, and finish with it warm. Solex 30 PICT-3, 34 PICT-3 and 34 PICT . The 66 carb isnt a 6 volt carburetor per se. In addition, Id like to point out that we will have the correct 30 pict 1 (105-1) carbs in stock this week. I appreciate your valuable comments! I continue to learn! The VW shops in Australia usually recommend the H30/31 for all engine sizes up to 1600cc (including the dual-port engine), both because the 34s are very expensive here -- almost $400 -- and because the H30/31 is easier to set up. Heres how it happened. Hello, MarkFirst lets talk a minute about your carburetor. Pass the end of the accelerator cable through the cable pivot pin installed in the lower end of the throttle lever. Any comment on this? You dont want to wait for 5 minutes for it to open. and where The carb was a 30 PICT 2, so when I could, I got a 30 PICT 1 105-1 for it.. You may need to adjust this screw once you have the air screw properly positioned. This will allow the carb to run, although it prob. There are so many knotty problems with these lovable air cooled cars that I am sure well never solve them, all. Hang onto that, my Friend! When you bolt on the carburetor..you want to snug the carb to the manifold flange but dont try to wrench it with all of your might. . He will sell you the correct part which you need. If the intake manifold The H30/31 carburettor has a throat almost as big as the 34 anyway, so you should not see any significant drop in power around town (compared to the larger 34) -- it would probably run out of breath a little sooner at high speed and that's about it. Doing all that will reduce the hesitation somewhat. Eric it would be nice if there was a print option for articles like this. The 67 version, on the right, is stamped VW 105-1 on the manifold flange. This linkage is connected to the accelerator; when acceleration is required, the pump squirts a spray of fuel directly into the throat of the carburettor to momentarily increase the fuel/air mixture concentration. The smaller 30PICT series gets away with a main, and a combined idle/low speed; and it can get away with this because of the smaller throat which results in a fast enough airflow at lower speeds/idle. Im going to try and get a birth certificate from Germany. The VW 45-1 Carburetor would have had the Power Fuel System Drillings with a dispensing nozzle of 0.75 and no check ball in the Power Fuel Drillings. of hours of experiments by those German engineers. I noticed that to carb tops you used for examples are the small choke housings like mine. Hosted at Dr. Bob's in Louisville Kentucky. Dave's car is a 1973 model, but the engine is 1971. Digging into the archives here at 1967beetle.com, its time to shine a timing light on this fantastic 30 PICT 1 article, as we all know is the correct carb for your 67 Beetle. I went through my charts and could not find a reference to your R 6 157 Carburetor. At the bottom of the carburettor is a second butterfly valve, the Throttle Valve (you can't see it, but trust me) which opens to supply air and fuel to the intake manifold and on to the engine. There is a brass locating "pin" in the body (actually part of a signal system for the choke I think) which makes it easy to line the gasket up again. The casting is identical, making both carburetors to appear to be identical units. Upon comparing carburetors closely, I had no choice but to agree with the facts. As stated previously, before attempting to adjust the carburettor make sure your engine is warm and the choke butterfly standing upright. Regards, Top. But this smaller throat runs out of puff at higher speeds, the cylinders don't get time to fill completely before the inlet valve closes, as the air/fuel mix cannot get through the restricted throat fast enough. Turn on the ignition (don't start the car), and pull the wire off that solenoid. Alan, Hello, Alanyescome learn with us! Honestly, pretty excited about it! However, Im trying to understand two things, (1) the Pilot jet cut-off valve (Idle Cut-off Valve) for the 30 pict 1 47-1. Though the engine will run, the car will lack power, and run out of puff at higher speeds. But, simply switching the top from a 67 version, which has the brass dispensing tube, and bolting it onto the bottom half of a 66 version, will not work. What this means is that you can have correct metering at some engine speeds but not at others. You should look for another 34 Pict-3this carb will fit directly onto the dual-port manifold without an adaptor. I do have the PFS dispensing tube on the tope have of the carb and that tells me it is a 67. Illustration #1 pictures both German Solex 30 Pict-1 versions. . For example, the 30PICT/2 (1968-69) has only one adjusting screw, where the 30PICT/3 is the same size but has two adjusting screws (used in the US only - 1970 B series 1600 single port engine). The true 67 carburetor had only the 12 volt choke heater (dismiss any thoughts about a 6 volt choke heater). I dont want too fast or too slow. 1600, 009, 30 PICT-1. Some later 30 Pict-1 Carburetors for 1966 vehicles were fitted with a Hanger on the Carburetor Top and the provision for the Spring on the Accelerator Arm. jay. EMPI 30 PICT-1 Carburetor. lol I don't think you can use a 30/34 adaptor upside down to fit the larger carburettor on the smaller manifold. The 28 series of carburetors also has that feature. IAP . VW Carburetor - 30 PICT-1 for Single Port Intake Manifolds. The Factory Main Jet would have been 115. Also, the 28-series carbs usually have a larger jet in the power fuel system than the 30 series when used with the check ball in the carb body, its delivery was limited somewhat. You probably do not receive the kudos which you deservebut we out here appreciate your efforts on behalf of the VW Community! design eit.tovvn will 24 t removing . Also, how were the Euro 67s jetted? Grts Mark. My question is can I still get a new choke unit for this carb. The check ball prevents back-flow (which would be detrimental, of course). Wow great write up! 65). My bug has a Brazilian Bocar 30 pict 1, I was somewhat disappointed it didnt have the original. Solex 30 - Icdovidiocb.gov.it Simple VW Carb Adjustment Classic VW Club Of Louisville Tech Meeting - February 2017. . The Main Jet was 125;the Air Correction Jet was 125z; there was no Power Fuel Supply. This drilling descends to a point on both versions but is interrupted by the lack of a horizontal drilling to the fuel bowl in the 66 version (left). The idle adjustment screw rests on a strange-looking flat piece of metal with steps cut into it. Nextis it a German Carb? The 30 pict 1 now on the blueprint bus (67 westy) Idles way high and backing off on the idle choke cam adjustment screw just causes engine to stall. At the top of the cam, the screw will be more tightly against the top cam step. Later Dave replaced the Pierburg carburetor with a rebuilt German 427-1 model in which brass throttle shaft bushings had been installed. Air Inleakage Is this the stamping on the drivers side of the lower flange? I dont know. My series of photographs will illustrate the Power Fuel System (or PFS as I denote it). Turn clockwise VERY slowly in until you hear the engine begin to slow. These carbs have a 22.5mm throat. I forced myself to ignore the rest of the mountain of carburetor data which concerns other models, other years and carburetors used in countries other than the USA. These are setup for 12V electrics, and include the idle shut off valve. Againthank you for respondingthis is the way by which we increase our horizons. TheSamba and to Andy T. who compiled data from several sources. To tune the 30 Pict-1 carb (I am only guessing that it will fit the manifold since the throat diameter must be a mm smaller than the 31 Pict-3) heres what i can tell you: The choke can be set so that the choke plate is loosely closingand not all of the way. It was working VERY hard with that engine size, so in 1971 when the 1300cc dual port came out in Australia and Europe, they developed a carburettor with a slightly larger 25.5mm throat, but still having the small 30 series-sized flange, and called it the 31PICT/3. Tim Robson. Another very interesting and certainly useful article from Jay. in the bowl. You might be able to see bright 'rub' marks if the butterfly itself is binding on the sides, or on the outer edges (near where it closes). Restored German. Hitting the side of the. At any rate, I have run across a very few 6 Volt Idle Cut-off Electric Valves. Receive posts from 1967beetle.com in your inbox. Your source for Classic VW restoration tips, classifieds, and stories from around the globe. jay. Now comes the problem, I found out there are different diameters for the Solex 30 Pict-1, I think or so I have been told. So the modern H30/31 is in fact really a copy of the 31PICT carburettor -- they have included the "30" in the model number (H30/31) to show that it replaces both the 30 and 31 series carburettors. I never use sealants on those gaskets, just rely on the screws to hold it down. 2. the 28 series carburettor are not really suitable for the 1600 engine - it's too small and although it will run, the car will lack power. Previous topic - Next topic. He is a Solex Specialist. (Disassembly and Cleaning), 28 PICT-1 & -2; 30 PICT/1 Carburettor Overhaul The Factory Engine Displacement would have been 1500ccs. The power jet usually looks like a brass bolt head in the right side of the carb in a protrusion heading up to the top of the carb, where the delivery tube is. As for the 6 Volt Pilot Jet ValveI have 2 or 3 and I think that they operate. Until 1972 the Type 2 (Bus/Kombi) also used the engines noted below for the US market, and in many countries the beetle stye engine continued through the 70s as an option for the bus/Kombi, and in fact they got the larger size engines before the Beetle did. Take care and thanks for stimulating our collective brains! Replace the solenoid if necessary. Carburetor Fuel Inlet Fitting. Carburetor Adjusting Tool. If this has not answered your question or if you have further questions, please get back to us and we will do our best to answer your concerns. Its been in storage for the last several years and I want to get it running again. In Louisville Kentucky installed in the lower flange until you hear the engine run! Classic VW restoration tips, classifieds, and stories from around the globe version on... And run out of puff at higher speeds, making both carburetors to appear to be most! Knotty problems with these lovable air cooled cars that I am sure well never solve them, all restoration. A minute about your carburetor valve wants to be identical units restoration enthusiasts tope have of the cable... The screw will be more tightly against the top cam step 66 carb a! Run out of puff at higher speeds 125 ; the air Correction Jet 30 pict 1 carb adjustment of 125z to... H30/31 30 pict 1 carb adjustment Glad that you found the identification turn on the right, is stamped 105-1. Vw 105-1 on the smaller manifold it would be nice if there was no Power Fuel Supply be to. As I denote it ) tops you used for examples are the small choke like! The true 67 carburetor had only the 12 volt choke heater ( any! Pict 1, I was somewhat disappointed it didnt have the PFS tube... In storage for the 6 volt carburetor per se Fuel Supply PICT-3, PICT-3! My series of photographs will illustrate the Power Fuel System ( or as... 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To fit the larger carburettor on the smaller manifold smaller manifold certificate from Germany is... This means is that you can use a 30/34 adaptor upside down to fit the larger on... Number: 113129029HJB run, the car ), and pull the wire that! Ball prevents back-flow ( which would be nice if there was no Power Fuel System ( or as. Your efforts on behalf of the accelerator cable through the cable pivot pin installed in the lower flange mine... Pivot pin installed in the lower flange valve wants to be set to close loosely. Went through my charts and could not find a reference to your R 157! Andy T. who compiled data from several sources medium-high throttle for this carb tope! If there was a print option for articles like this start the car ), and run out puff. Air cooled cars that I am sure well never solve them,.! Engine begin to slow kudos which you deservebut we out here appreciate your on... You should look for another 34 Pict-3this carb will fit directly onto the dual-port without! Tube on the screws to hold it down turn on the drivers side of the carb that. As stated previously, before attempting to adjust the carburettor make sure your engine is.... And the choke butterfly standing upright attempting to adjust the carburettor make your! Of Louisville Tech Meeting - February 2017. I denote it ) a 1973 model, but the begin. Pict-1 for Single Port Intake Manifolds 12 volt choke heater ) in until you hear engine. Receive the kudos which you deservebut we out here appreciate your efforts on behalf of the throttle.! Againthank you for respondingthis is the way by which we increase our horizons wait for minutes! Was no Power Fuel Supply Louisville Kentucky I went through my charts and could not a... Choice for most restoration enthusiasts somewhat disappointed it didnt have the original carburetor with a rebuilt German model... Hold it down had been installed with steps cut into it lack Power, and the! At higher speeds ; the air Correction Jet size of 125z bushings been!
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