The carburetor securing nuts should be tightened evenly to prevent distortion or breakage of the flange. Do the installation work correctly referring to hondas. This may cause engine hard starting, fluctuating or no idle, hunting or surging at full throttle, or. Valve adjustment is always done with the engine cold this means that it has been sitting overnight without running and is room temperature. As you open the throttle,more of these gnomes are allowed out of their house and into the float bowl, where they fill the buckets and climb up the carbs passages to the intake, where they empty their. We have 1 solex carburetor manual available for free pdf download. Tuning a carburettor the solex range of vw carburettors are very simple to tune, so follow this guide and keep yours adjusted to factory specs c arburettor adjustment is sometimes referred to as a black art, and perhaps there is an element of truth to this when dealing with multiple carburettor installations, but not a single carb on the. These carbs are still being built which is most likely the main advantage over the wo carter. Basic tuneup, and adjustment of the solex 34 pict3 carburetor. Starting engine and carb adjustment final video of the engine build. Jul 16, 2011 how do you adjust the idle screws on a solex carb. Remove the various other jets and adjustment screws from the carburetor body and store them away carefully. They are called emissioncontrol carburettors, and have sealed, tamperproof adjustments which generally you cannot change see adjusting an emissioncontrol carburettor. This book is related to carburetors, associated problems and major tuning characteristics covering as wide range as possible but within the more modern circuit systems available.
The basic setting for the air screw is about 2 turns of the screw out from its screwed in position. Tuning up of engine and selection of aperture of carburetor 42. Solex were a french company so initials pse probably dont mean anything in english. Cleaning out the main jet of a 1969 volkswagen beetle carby. It is also offered by parts dealers in north america as a replacement for the carter carb originally found on willys jeeps. As the setting should be adjusted according to the parts used, reset the carburetor to match your engine. A warped mounting flange can cause a potential vacuum leak. Before draining the oil, start the car and leave the engine running for 12 minutes to allow the oil to warm up a little so that it can be drained more easily. With proper air screw adjustment and a close initial setting from. The thread of the carburetor sometimes becomes damaged, usually by repairing incorrectly. Solex carb tuning workshop free vw technical guide from.
Relay lever rod and linkage lever 7a spacer sleeve 7b tension spring 8. Solex carburetor tips the solex carburetor is manufactured in india and is original equipment on some jeeps built by mahindra and other overseas licencees, including hotchkiss in france. If necessary, adjust the throttle stop screw 1, fig. Be sure the two mounting studs in the carburetor are firmly installed so that they do not turn when tightening the hex nuts. Hello to you all yes, we are still open for business from now on, until the lockdown finishes, we will be sending all items by courier due to royal mail postage system having massive delays. View and download solex carburetor selection and tuning online. Solex carburetor manuals manuals and user guides for solex carburetor. See also solex troubleshooting for tips on adjustment a post on the cj3b bulletin board asked about the replacement carburetor offered by j. Some exhaust system designs strongly interfere with carburetor tuning.
Flange gaskets should not be thicker than 1 mm as thicker or soft gaskets may cause the flange to warp. Later carburettors have had to comply with antipollution laws concerning exhaust gases. Vw bug how to prevent engine overheating all these things i suggest have been tested with. Solex type 32 paita carburetor exploded parts diagram.
Solex 34 pdsit2,3 carburetor rebuild instruction sheet 197274 buses. The mikuni choke cable is more flexible and less likely to jam. Component parts of compound carburetor type 32 paita service manual model 190 sm1207000 07014. Default name a z name z a price low high price high low rating highest rating lowest model a z model z a product compare 0 ex tax. Solex carburetors were widely used by many european makers and under license to mikuni in asia until the mid1980s when fuel injection was widely adopted. Inspect all jets, adjustment screws, and the holes they came from for wear. This method will also work for the 30pict3, 30pict4, 31pict4, 31pict3 and h3031 carburetors with the two adjusting screws in the left side. Solex carburetor manual 3034 pict3 34 pict4 german pdf 3. Selection of the direction of air flow it is first necessary to determine which type of carburetor is best suited to the engine. The velosolex s 3800 has a gurtner 6,5 li carburettor with a carburettor venturi diameter of 6.
The idle system employed in this carburetor is an independent system since it draws the fuel from a point before the main jet carrier y. To do this the slow running screw on the abutment plate is reduced until the required minimum speed is obtained. Each of these two barrels has different fuel jet,choke,throttle,idelingsystem etc. Honda carburetor troubleshooting manual international power. Make sure that the surface of the carburetor mounting flange is smooth and not warped. Photo 2 shows the bowl a few days later, with lower fuel due to leaks and evaporation. In indian automobile engineering, fiat cars are a most popular brand due to its very easy start in cold conditions this easy start is obtained by solex carburetor.
When i first opened the carburetor, the bowl was full, but the float was submerged. Among the european companies who used solex carburetors were. Having determined the adjustment from a mixture strength point of view, the next requirement is the adjustment of the idling speed. The adjustment of this screw either increases or decreases the butterfly aperture at the closed position of the butter fly idling revolutions are increased by turning the screw inwards, and reduced by turning it outwards. Passenger cars with six or more cylinders are provided with dual carburators. Tuning of carburetors refers, in this context not to the minor adjustment. Adjusting a solex 34pict before the 1980s almost every engine used a carburetor to supply the required mixture of gasoline and air. Solex 32 pdsit2,3 carburetor rebuild instruction sheet 19641967.
Each venture supplies the airfuel mixture to half of cylinders. Before we begin to adjust the carburetor, the valves, points, and timing should be set. If the engine runs unevenly, adjust the air screw until smooth running is obtained. Carburetor adjustment instructions in this manual, or see your dealer. A single barrel carburetor has only one barrel, whereas a dual carburetor has two barrels. Fuel deterioration is a significant issue affecting carbureted engines. Solex carburetor selection and tuning pdf download.
Rollsroyce motors, alfa romeo, fiat, audi, ford, bmw, citroen, opel, simca, saab, renault, peugeot, lancia, land. Solex carburetor is widely used by many top european automobiles as like rollsroyce, porsche, volkswagen, and mercedes benz. Obsolete aircooled documentation project solexselection. The following adjustment should only be necessary if the setting has been inadvertently altered use special gauge pierburg tool for throttle valve adjustment.
Over the years carburetors evolved to become complex assemblies with hidden internal passages designed to keep the engine running smoothly across its rev range. In photo 2, the air cleaner and carburetor top were removed to reveal the carburetor bowl and float. My carb is a 34 pict3 my car keeps cutting out and will not idle answered by a verified vw mechanic we use cookies to give you the best possible experience on our website. Solex carburetor nomenclature general amphicar discussion. Solex carb tuning workshop free vw technical guide from limebug. If an old carburetor has to be replaced it is usually easy to see from the flange which type of carburetor ist required. The idle speed adjustment controls the engine idle rpm, i. Troubleshooting the 2stroke cycle engine section 2. Technical keihn carb jetting duncan racing squarespace. In indian automobile engineering, fiat cars are a most popular brand due to its very easy start in cold conditions. The adjustment screws are located differently on different carburettors.
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