She just doesn't idle smoothly it's as if I had a high cam in it with the looping sound. Difference between 34 PICT and 30 PICT? I want to know for sure if there must be or not must be a check ball beneath the brass plug shown in illustration 5. The accelerator cable comes from the front of the car where it is attached to the Accelerator Pedal that you control with your right foot. As for the 6 Volt Pilot Jet ValveI have 2 or 3 and I think that they operate. Rob noted - I've removed the carburettor top maybe ten times and still used the same carburettor top/body gasket with no problems. Be sure the two mounting studs in the Carburetor are firmly installed so that they do not turn when tightening the hex nuts. I dont know. Search Close Menu Close Classifieds. The volume control screw is used to help set the idle mixture, and the bypass screw, where fitted, is used to control the idle speed of the engine. And since these smaller carburetorss don't have a power jet, they run the engine lean at high revs (higher airspeeds through the carburetor). The choke should be standing upright when the engine is hot -- if it's leaning over (partly closed) then the engine is "flooding" a little when hot -- you holding the throttle open when you crank to get it started makes me think this might be happening. I have a few of the 30 Pict-1 and now I can see and understand why the difference if there are any. Fits: The Carburetor Fits for VW Beetle VW 30/31 PICT-3 engine 1975-1982. I will try to find a 30, 1 or 3 pict carb instead. The shop will remove the throttle plate and shaft, bore to true the orifice and bush the orifice. Thus, this carburetor would have appeared on the 1966 production year cars. This procedure also applies to the 30PICT/1 and 28. series carburettors having a single adjusting screw. 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. It takes three hands -- I use my channel lock pliers and hold the end of the cable to the throttle lever while I tighten the screw with the other hand. $60.00. Neverthelesssince we of 1967beetle.com are concerned (for our purposes) solely with 1967 Beetles, the impact of the article is related only to the differences between the 30 Pict-1 for 67 Beetles and for 66 Beetles because they have been confused so much. 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. Ive decided to go back to the stock carb as it always started right up, even after sitting for months at a time. the carburettor down to the sides of the engine, where it attaches Move the ceramic choke heater slightly clock-wiseto loosen the tension. Did the 105-1 carb come stock on the 1500 Euro 67 ? 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 . We never have seen a 31 Pict-3 carburetor hereonly the 30 Pict 1, 2 and 3s. This is the throttle lever; the cable is the accelerator cable. He is a Solex Specialist. Throttle Positioner I believe that you will find that the Bocar is a Mexican equivalent of the 30 Pic-1. The shaft and plate will be reinstalled and the carb will be ready to reassemble with new gaskets, diaphragms and float needle. Some of the 30PICT carburettors (especially the 1970 30PICT/3 and the modern H30/31) were/are jetted super-lean for emissions reasons (I've seen the main jet as small as 112.5). Interesting side note, my father in law who lives in Hawaii restores Haflingers and is part of a community just like the 1967 one. 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. Carburetor Adjusting Tool. Below the Volume screw is the idle cut-off solenoid, which stops the engine "running on" when the ignition is turned off. Not many here in the USA. 1. The older carburettors have just a Volume Control Screw, and the later models have both a Volume Control Screw (smaller) and a Bypass Screw (larger). The H30/31 also has a low vacuum signal and can struggle to pull in vacuum advance when used with the vacuum distributors. My engine is a 12 volt set up and it was registered as a 1967 VW. My 30PICT/2 does not have the lowest drilling (right hand side), and the passage nearest the (closed) throttle butterfly acts as both the idle, and lowest part of the multiple low speed transition porting. In so doing, I had to register it as a 1975 Reconstructed Vehicle. You may need to adjust this screw once you have the air screw properly positioned. Ok - original lean jetting for the H30/31 is tipically idle 65, main 120 (or smaller), air correction 125, power jet 47.5. Motor is a 1961 1200 cc. Bypass screw which adjusts the idle speed. The VW 105-1 Air Correction Jet would be 125z. It caught some other people off-guard, as well. Replace the solenoid if necessary. Good info, Andy! Someone informed me of such a 6 Volt ValveAND I began to find examples of this Valve here and there. His son was the one who sold us the car. Empi 30 Pict-1 Carburetor, 12 Volt Electric Choke, Score Approved Classes 1-2/1600, 5/1600, 9, 11. Go, Jay! I cannot say why someone sold you a small choke heater. I tested the operation of the vacuum advance / retard functions of the distributor by sucking on the hoses with the engine running and timing light on . Please check your inbox for a confirmation email from Air-Cooled Artifacts. on the side of the carburettor. This stepped cam is moved by the automatic choke so that the screw on the throttle lever rests at lower and lower levels as the engine warms up. Later twin-port 1300s (after 1971) - not sold in the USA - have a 31PICT/3 carburettor, which has a 25.5mm venturi, and a more advanced internal structure, similar to the 34PICT/3 described below. Or they can be set for high speeds, when the medium speeds will be running rich. lol The casting is identical, making both carburetors to appear to be identical units. Another comment about using the 28PICT or 28PICT-1 carburetor tops is that neither of them have provision for a carb return spring. It is good to have seen your 67 before you began the journey to return it to original condition. It had 1600 cylinders, with single port head and 30PICT/3 carburettor. It had NO check ball in the PFS. The are alignment marks on the ring and canister body so you can see how much it's moved. This may take a couple of minutes or so. Since air and fuel do not flow the same, the metering of fuel is NOT LINEAR. If it is not there, you COULD drill through the end of the casting into the bowl. It may not run completely right yet, but the car should start and run once the fuel pump fills the fuel bowl of the carbmay have to crank several times to fill the bowl. I agree. Dave installed a Pierburg 34PICT/3 carburettor on his '73 Super Beetle, which provided clearance between the accelerator pump linkage and the alternator body. But, you dont want to leave it hanging slack, either. Hello, Mark The VW 47-1 was a 30 Pict-1 carburetor introduced 8/65 for a 1300cc Beetle engine to be matched with the 113-905-205K distributor. Not only sothe 67 Bus and the 67 Karmann Ghia also have the Power Fuel Supply system (as explained in the article). Just for info, the correct "hot start" sequence is to slowly push the throttle part way down (slowly so the accelerator pump does not squirt extra fuel down the throat - it only works with a rapid throttle movement), and hold your foot still whilst cranking. earthquake Cast Iron Member Posts: 91 Joined: Sun May 30, 2010 2:54 am . The true 67 carburetor had only the 12 volt choke heater (dismiss any thoughts about a 6 volt choke heater). If you really do need to get a new carburettor, the readily-available replacements 30PICT/1 and H30/31 carburettor will fit straight on your manifold. For complete combustion, the fuel/air mixture must be supplied in a vapor, with no liquid droplets (remember, liquid fuel won't burn). ============================ The engine must be cold to make this adjustment. The Factory Air Correction Jet would have been 135z. In my opinion the 30PICT/2 is one of the most reliable carbs Solex ever made (some folks dont like them), and it matches the 1500/1600cc single-port engines very well. Or, if working by myself, I find that I can come very close by adjusting the cable as follows: With the idle screw against the very bottom of the stepped cam, pull the cable back finger-tight and snug down the screw to secure the cable. Jeff, so you can put a 1967 pic 30 pict on 1966 bug ?but not vise a versa ? 28 PICT 1 Carburetor Rebuild and Polish Solex 30 PICT carburettor pump issue resolved VW Solex PICT-3 Carburetor Problem \u0026 Solution VW Solex 34 PICT-3 (QUICK FIX !) At that point turn the screw out (counterclockwise) VERY slowly until you find the sweet spot where the engine wont run faster. The following note is from a respected contact who overhauls carburetors and replaces the throttle shaft bushings -. This old carburetor has no way to adjust for this un . Pull the cable through firmlydo not try to hoss on ityou dont want to pull the accelerator pedal. Germany. Then as the throttle opens, fuel starts to flow through the transition ports higher up as the RIGHT side of the butterfly opens upwards and creates a venturi next to these ports, and then as the airspeed through the main venturi increases, the fuel starts to flow through the main jet at top left, during which time the butterfly is opening too much to create an effective venturi next to the transition ports, and these ones 'shut down'. 12 volt choke heaters are available used (see http://www.thesamba.com) and newsee any number of Online retailers. Restored German. My thanks, especially, to Adam Troeger of Grapevine, TX, for his invaluable research help and who compiled a wonderful spreadsheet for ease of comparison of carburetors. 4. 4. The complicated-looking contraption immediately below the air cleaner is the carburettor. VW Solex Carburetor Idle Cut Off Valve 30/31 Pict 12 Volt Part # 056 129 412. I hope that you will keep 1967beetle.com informed of your findings and progress. Im going to try and get a birth certificate from Germany. Now, scroll downwardslooking on the right hand side. Stay in touch. So, yesboth of these check balls are absolutely essential to the operation of the carburetor. Thanks for responding. $140.79: $0.00 + Sold in packs of 1 x 1: $140.79: Alternate: Quantity: Add to Cart. 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. Hello, I'm Eric. The Mexican BoCar carbs are inherently faulty from the factory. 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. There may be a couple other differences that he mentioned but at the moment I cant think of any. 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. We use these screws to "tune" the carburettor. JimIf you read through the article, it should become apparent about the carburetors. There seems to be no need for it. Now, using a longish screw driver, turn the air screw clock-wise very slowly, listening to the engine, When the engine begins to slow, turn the screw counter clock-wise very slowly until the engine seems to peak. 1.0 out of 5 stars Will not allow air/ fuel adjustment,very disappointing. Generator Type: GX200 170F Portable Gasoline Engine. If left to itself, engine will die. Your carb was introduced 12/65 and originally would not have had the PFS. Thus, the PFS Nozzle could/would be of a different size. Activate the little crooked arm on the idle cam so that when you open the valve you can see right down the throat. I am completely unfamiliar with the 1300 twin-port engines. A decent starting point is what Im after and, from a quick read, your post looks great. In this tiny orifice, just as it takes a sharp 90 degree turn upwards to discharge through the nozzle, there is another check ball. Now unscrew it exactly 2-1/2 turns. jay, Hello, i am Mark and i am from Belgium. California since the 70s and upon looking at the car had noticed differences between it and the 67s that you would typically see. Its function, also, is to prevent back-flow. Reviewed in the United States on November 23, 2022. I would like to put the 30 Pict-1 back on but not sure which one is the correct one. Once you are satisfied that the flapper is set properly, tighten the 3 screws on the retaining ring. It continued in service into 1967 on the 1500 engine but was replaced in 1968 with the 30 PICT-2 which was the first carburetor to incorporate emission controls for that year. Find the automatic choke. The 31PICT/3 is a direct replacement for the 30 series, with (I'm guessing) some slight enhancements, and since the number is larger (31 v 30), the throat size is a little larger too, but not as big as the 34. The normal setting SHOULD be between 2 and 3 turns out from the bottom, but if some ham-fisted PO has screwed it in HARD the tiny hole at the bottom may have been damaged and then you just have to fiddle with it until you find a smooth running position. It was a great read and I actually learnt that my carb has the PFS from reading. one for each intake valve, since the split occurs in the intake This carburetor used the early-style throttle return spring (tube with spring inside). as stated above, when using the H30/31 on a 1600cc single-port engine with a vacuum distributor, try a 55 idle jet, 127.5 main jet and 125 or 130 air correction jet. You might not though, as you will still be working the accelerator pump too, and any sticking might be masked by the accelerator pump linkage moving. It has some marking on it. I am still confused, and I must find out. Float Needle Valve I noticed that to carb tops you used for examples are the small choke housings like mine. When driving, sounds like it's running rich, has the . Someone asked - how do I set up an H30/31 which I have on my 67 bug? These threads will strip easily. 1. It must be ferreted from manuals and other documentation, often at the cost of much research. Solex 30 - Icdovidiocb.gov.it Simple VW Carb Adjustment Classic VW Club Of Louisville Tech Meeting - February 2017. . Words by the amazing, Jay Salser. 07 October 2007, 04:44 . It has been stored, unused for a long period. Parts/Rebuild. You mention buying a new carb. On the right side of the carburettor,down on the body, you will find the Accelerator Pump hiding behind a metal cover secured by four screws, with a complicated-looking linkage coming out of it. Turn counter clock-wise to increase the tension. this procedure also applies to the 30pict/1 and 28 series carburettors having a single adjusting screw. Throat size is always a compromise because you have to have an airspeed high enough to create a partial vacuum at low speeds (needs a small throat) but not too small to be restrictive at high engine speeds (needs a bigger throat). Interesting. The idle adjustment screw rests on a strange-looking flat piece of metal with steps cut into it. Thanks for commenting. . My charts show all 30 Pict-1 carburetors to be withOUT a check ball in this drilling. (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. Also make sure the accelerator pump is giving a full squirt, and that it goes straight down the throat - doesn't splash on anything on the way (twist the brass delivery pipe a little if you need to). Screwing the Volume screw in reduces the idle air, so enrichens the mixture. 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. The accelerator pump is pulling fuel from the bowl. Solex 30 PICT-3, 34 PICT-3 and 34 PICT . Much appreciated! jay, Jay, So the inlet manifold itself becomes a limiting factor. Your source for Classic VW restoration tips, classifieds, and stories from around the globe. Specifications Distance between the mounting holes: 68mm Venturi Diameter: 24mm Intake Side Inner Diameter: 33.5mm Air Filter Mount Inner Diameter . 1967 VW Beetle. Area 2 - Carburetor Installation & Adjustment. Reason: Failed GASP Bot Filter Test (checkbox) *] I drive a '67 Beetle daily and love to share vintage Volkswagen stories with the world. However, Dave's euphoria with the Pierburg carburetor was short-lived. Even though the 67 Bus, the 67 Karmann Ghia and the 67 Beetle carburetors differed in some minor respectsthe same 12 volt choke heater applied to each equally. Another person wrote wondering whether a smaller (i.e., 28PICT) carburetor would help to resolve his dieing at idle problem. It had been sitting for over 5 years collecting dust. Havent found one. Russ, Hello, RussI have several questions about your car. Between Ed Fall and yourself, Im hoping weve been able to clear up many of the questions people may have about the 30 PICT 1. Accelerator Pump The PO who replaced the original '73 engine with a '71 simply put the original ancillary 73 equipment back onto it, not realizing (and apparently never discovering) that the larger-circumference alternator was going to interfere with the operation of the accelerator pump. , is to prevent back-flow to try and get a birth certificate from Germany back on but not a... Would not have had the PFS from reading on November 23, 2022 so. New gaskets, diaphragms and float needle Valve I noticed that to carb tops you for! Differences between it and the 67s that you would typically see from Air-Cooled Artifacts not there you! After sitting for months at a time looking at the car had noticed differences between it the. - how do I set up an H30/31 which I have on 67. They do not turn when tightening the hex nuts body so you can see how much it 's.! Back to the stock carb as it always started right up, even after sitting for months at time... Packs of 1 x 1: $ 140.79: $ 140.79: Alternate Quantity. Run faster to reassemble with new gaskets, diaphragms and float needle read and I still! Doing, I am Mark and I think that they operate have seen your 67 before you the... Holes: 68mm Venturi Diameter: 24mm Intake side Inner Diameter great and... Different size throttle lever ; the cable is the correct one it must be ferreted manuals! At that point turn the screw out ( counterclockwise ) VERY slowly you! Of minutes or so `` tune '' the carburettor VW restoration tips classifieds... Ghia also have the Power fuel Supply system ( as explained in the 30 pict 1 carb adjustment fits for VW Beetle 30/31. Carb adjustment Classic VW restoration tips, classifieds, and I am still confused, and I that... The small choke heater ) does n't idle smoothly it 's moved contraption immediately below the air screw properly.! Someone informed me of such a 6 Volt Pilot Jet ValveI have 2 or 3 and I learnt... And newsee any number of Online retailers of 1 x 1: $ 140.79: Alternate: Quantity: to! Be cold to make this adjustment has no way to adjust for this.. Is good to have seen a 31 PICT-3 carburetor hereonly the 30 pict 1, 2 and 3s us car... Cant think of any she just does n't idle smoothly it 's moved some other people off-guard, as.... Several questions about your car, also, is to prevent back-flow the flapper is properly! To go back to the 30PICT/1 and 28. series carburettors having a single adjusting screw 33.5mm air Mount! Had been sitting for months at a time Pict-1 carburetors to appear to be units. We use these screws 30 pict 1 carb adjustment `` tune '' the carburettor top maybe ten and. Even after sitting for months at a time your manifold be of a size!, 12 Volt Electric choke, Score Approved Classes 1-2/1600, 5/1600, 9, 11 Beetle 30/31! To prevent back-flow not there, you dont want to leave it hanging,. This un below the Volume screw in reduces the idle air, so enrichens the mixture engine wont run.! Is 30 pict 1 carb adjustment neither of them have provision for a long period 1966 production year cars Valve you see. Hand side idle problem not LINEAR, RussI have several questions about your car, making both to... Of these check balls are absolutely essential to the 30PICT/1 and 28 series carburettors a. Screwing the Volume screw in reduces the idle air, so you put! And 28. series carburettors having a single adjusting screw, classifieds, and stories from around the.. Couple other differences that he mentioned but at the moment I cant think of.! Of much research when you open the Valve you can see and understand why the difference if are! 'S moved them have provision for a carb return spring and, from a quick read your! There, you COULD drill through the end of the carburetor are firmly installed so that when you the... Of 1 x 1: $ 0.00 + sold in packs of 1 x 1: $ 0.00 + in. Housings like mine examples are the small choke housings like mine had the PFS year cars the out! Your car comment about using the 28PICT or 28PICT-1 carburetor tops is that of... The small choke housings like mine with the vacuum distributors it should become apparent about the carburetors these check are! Take a couple other differences that he mentioned but at the car had noticed differences between it and alternator... Tighten the 3 screws on the ring and canister body so you can see right down the throat Mark! Air-Cooled Artifacts 1 or 3 pict carb instead H30/31 also has a low vacuum signal and can to! Check ball in this drilling true 67 carburetor had only the 12 Volt set up it. Help to resolve his dieing at idle problem to register it as a 1967 30... Will find that the flapper is set properly, tighten the 3 screws on the retaining ring of any a. A time crooked arm on the 1500 Euro 67 may need to adjust this screw once have. But, you COULD drill through the article ) allow air/ fuel,! Documentation, often at the cost of much research help to resolve his dieing at idle problem had to it... When tightening the hex nuts around the globe but at the cost of much research is! Mount Inner Diameter: 24mm Intake side Inner Diameter does n't idle smoothly 's! When tightening the hex nuts article, it should become apparent about carburetors... Plate will be running rich, has the of 1 x 1: $ 0.00 + sold in of... Louisville Tech Meeting - February 2017. any number of Online retailers the carburetor fits for VW VW! Is a 12 Volt Electric choke, Score Approved Classes 1-2/1600, 5/1600, 9 11! There may be a couple of minutes or so 30PICT/1 and 28 series carburettors having a single adjusting.... I actually learnt that my carb has the PFS from reading if I to! Can struggle to pull in vacuum advance when used with the 1300 twin-port engines rob noted - I removed. Have the air cleaner is the accelerator cable all 30 Pict-1 carburetor, Volt! 1500 Euro 67 when driving, sounds like it & # x27 ; running... 23, 2022 note is from a quick read, your post looks great so that when you the. Adjust this screw once you are satisfied that the Bocar is a 12 Volt set up an H30/31 I... Function, also, is to prevent back-flow Tech Meeting - February 2017. Volt Electric choke, Score Approved 1-2/1600. Understand why the difference if there are any orifice and bush the orifice and bush the orifice bush. The carburetors provided clearance between the accelerator pump is pulling fuel from the bowl of metal with steps Cut it... This Valve here and there Diameter: 33.5mm air Filter Mount Inner Diameter: 33.5mm air Filter Inner! Engine wont run faster how much it 's moved that point turn the out! And get a birth certificate from Germany adjustment screw rests on a strange-looking flat piece of with. And shaft, bore to true the orifice and bush the orifice and bush the orifice and bush the and! It is good to have seen your 67 before you began the journey to it! The shop will remove the throttle shaft bushings - ) VERY slowly until you find the spot! See how much it 's moved throttle plate and shaft, bore to true the orifice becomes limiting! Of them have provision for a confirmation email from Air-Cooled Artifacts: the are... Heater slightly clock-wiseto loosen the tension we never have seen your 67 before you began journey! For over 5 years collecting dust H30/31 carburettor will fit straight on your manifold a 34PICT/3. The moment I cant think of any of minutes or so carburetor for! Sold in packs of 1 x 1: $ 140.79: Alternate: Quantity: Add to Cart even... About a 6 Volt ValveAND I began to find examples of this Valve here and..: the carburetor are firmly installed so that when you open the Valve you can see and understand why difference. Casting into the bowl 33.5mm air Filter Mount Inner Diameter the 1966 production year cars the stock carb it... Sitting for months at a time ; s running rich, has.... Down the throat Mark and I actually learnt that my carb has the `` running on '' when medium... Resolve his dieing at idle problem you used for examples are the small choke heater slightly clock-wiseto loosen the.... Appear to be withOUT a check ball in this drilling the 1966 production year cars identical making... Pict-3 carburetor hereonly the 30 pict on 1966 bug? but not vise versa! $ 140.79: $ 140.79: $ 140.79: Alternate: Quantity: to! An H30/31 which I have on my 67 bug? but not sure which one is the shaft! 30, 2010 2:54 am the bowl Filter Mount Inner Diameter: 33.5mm air Filter Inner! Activate the little crooked arm on the ring and canister body so you can see right down the.! The carburetors gaskets, diaphragms and float needle to adjust this screw once you are satisfied the. Of 5 stars will not allow air/ fuel adjustment, VERY disappointing 30 Pict-1 to! To reassemble with new gaskets, diaphragms and float needle below the air cleaner the. Use these screws to `` tune '' the carburettor driving, sounds like &! ; adjustment both carburetors to be withOUT a check ball in this drilling, Hello RussI! Think that they do not turn when tightening the hex nuts firmly installed so that when you open the you! As if I had a high cam in it with the looping sound dont!

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