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2: Carter AFB idle mixture and speed adjustment screws. Kit looked complete but I ordered the wrong one based on the pump and of course with it being opened, it cannot be returned. Seat the intake check by tapping lightly in the hole to form a good seal. Fuel pump working as it should (pulsates and sprays gas each time cam lobe activates it). The high speed air bleed and the secondary bleed tube also acts as an anti-percolator. Gasket removed as shown A. The download link can be found on your order confirmation email which you will receive as soon as you complete the order. They are staked in the hole. This restricts the flow of fuel. The adjustment of the pump is important in order to get the required fuel. Make sure these are clear if you have percolation problems. Solid fuel has the 2 tubes pointing up. BBS) and were basically an on/off condition similar to the function of a power valve. There should be a retainer keeping the check ball in place. The distance from the dust cover boss to the top of the plunger shaft should be 1/2 inch (distance from base to tip of finger on gauge) (C). Examine the viton tip for any marks.Fuel pump pressure could be too high. Measure from center top surface of pontoons to air horn. Make sure the pontoons are centered and will not rub the bowl sides. The ends of the connector rod should point to the throttle arm side. If adjustment is required, remove dust cover and bend arm that operates the vent mechanism. The all-aluminum AFB (Aluminum Four Barrel) was a big innovation in 1957, and lives on today under the Edelbrock name. Float drop not set, or fuel pump pressure too low. What more could you ask for? Good quality print. Carter WCFB 4 Barrel Carburetor Float System, Engine wont idle, or dies after the choke is opened, or runs better when choke closed. Recheck unloader settings with carburetor on the engine. He only had 5-years of formal education and in 1909, he founded the Carter Carburetor Manufacturing Co in St. Louis. Make sure the pump relief check is clean. The fuel is also conducted through a passage in the air horn to the secondary needle seat. As the accelerator is released and the primary throttle plates are closed to the idle position, the upward movement of the pump plunger and attached spring bracket exerts tension on the spring and tends to stabilize the float in a level position. In my repeated attempts to get the accelerator valve to pump, the car has run for several minutes combinedplenty of time to get the float bowl full. Readjust idle to 500 RPM and fast idle to 1200 RPM On 1955 models set choke two points lean. It isn't unusual for the vacuum piston on the WCFB to become frozen in the cylinder where it resides. Older kits 30-70s. Will Carter introduced the world's first 4-barrel carburetor, the WCFB (Will Carter Four Barrel) which raised air-flow to unprecedented levels. The main body is partitioned into two compartments (primary and secondary), each containing a double pontoon float and lever assembly and a needle valve and seat. Turn knurled nut of gauge until finger on gauge just touches top of plunger shaft (A). On the WCFB the check ball is usually at the bottom of the pump well. Measure float height as illustrated above. The accelerator pump circuit resides on the primary side of this carburetor. Coat threads of screw with sealing compound and install it. The metering rod adjustment should be done after the pump adjustment. Carter WCFB Metering Rods 4,292 views Jul 15, 2018 28 Dislike Share Save Mikes Carburetor 18.7K subscribers https://www.carburetor-part.com is providing this video about the Carter WCFB 4. See figure 9F-2. When the engine gets hot and then is shut off, gas can sometimes overheat and then boil. Ideas?? From my experience it is the most complete and comprehensive source for all things carburetor, encompassing a massive spectrum of makes models and applications. Check to see that slots in air cleaner gasket line up with vent tubes and do not rotate gasket during installation of air cleaner. Carter WCFB Fast Idle With carburetor installed and engine warmed up. Check any vents to make sure they are open. Be careful when removing the top of the carburetor that you don't force things and break the piston lever. The balance passage also tends to prevent flooding in the event one of the needles should temporarily become stuck open by maintaining equal fuel level between the two float chambers. The adjustment of the pump is important in order to get the required fuel. William C. Carter was born in Union City Tennessee in 1884. Some models have a pump relief check in the bottom of the fuel bowl. (note) The metering rods will fit into the jets loosely. What Has Been Done to This Carburetor?1. The well should fill with fluid. Rotate throttle stop screw E until engine idle at approx 500 RPM. Add a couple drops of oil to the leather. When the piston is frozen you may have to drill a small hole in the bottom of the float bowl, just under the piston and hammer it out. Other 4 barrel carburetors such as the Carter AVS, Carter TQ, Rochester 4GC, and Rochester Q-Jet have a tensioned secondary spring. All These Part Numbers Interchange Into Our Part No. You will need to check your motors manual for the spec, but around 4 or 5 should be plenty. WCFB carburetors, althqugh basically all units are allke. Blow through the intake check passage to be sure the passage is open. The Solid fuel is the later models BBDContents:00:00 intro00:34 air bled adjustments00:37 air bled float setting01:03 air bled fast idle type I01:25 air bled fast idle type II01:42 air bled fast idle type III01:58 air bled unloader02:24 air bled choke vacuum kick03:01 air bled automatic choke03:16 air bled pump04:08 air bled dashpot04:27 air bled idle speed \u0026 mixture04:58 air bled emission carburetors idle mixture06:00 air bled limiter cap06:36 solid fuel adjustments06:40 solid fuel float setting07:03 solid fuel metering rod07:27 solid fuel accelerator pump07:55 solid fuel bowl vent08:18 solid fuel fast idle cam08:43 solid fuel choke pull-off09:12 solid fuel automatic choke09:24 solid fuel egr dump valve09:46 solid fuel unloader10:08 solid fuel high altitude10:28 solid fuel idle speed \u0026 mixture12:11 solid fuel Limiter cap12:37 solid fuel fst idle12:51 solid fuel throttle positioner13:56 solid fuel vacuum throttle positioner14:31 solid fuel sol-vac15:04 solid fuel dashpot15:28 solid fuel transducer parts. intro Carter WCFB 4 Barrel Carburetor Rebuild Mikes Carburetor 21.5K subscribers Subscribe 51 Share 3.1K views 9 months ago Disassemble & assemble your Carter WCFB 4 barrel. You cannot go wrong with Mikes carburetor in any way. I rebuilt a Carter WCFB carburetor with the lower auto choke setup. The suction along with the fuel weight pulls fuel through the intake check via the passage to the fuel bowl. Carter WCFB 4 Barrel Adjust Float Mikes Carburetor 21.4K subscribers 5.5K views 4 years ago https://www.carburetor-parts.com is providing this video about adjusting the float level and. They sometimes need trimming. Technical Details. We use a small bottle type of brush and spray silicon spray into the cylinder while we clean. Fig. When closing the throttle, the accelerator moves up in the pump well. Fuel enters the primary side of the carburetor through a strainer screen at the fuel inlet and is directed to the primary needle valve and . Carter WCFB Rebuild Kit Selection Carter WCFB Build Sheets Carter WCFB Adjustments Carter WCFB 4 Barrel Carburetor Float System Carter WCFB Accelerator Pump BY CARB TYPE GENERAL TROUBLESHOOTING FAQs INJECTORS PURCHASE PARTS MANUALS BLOG This spring is a bit complicated so this video will be very helpful when you change your spring.Find this WCFB spring here: https://www.carburetor-parts.com/wcfb-66d400.htmlFind WCFB parts here:https://www.carburetor-parts.com/wcfb-partscontents:00:0000:42 removing fast idle cam assembly00:56 taking the assembly apart piece by piece01:07 removing the old spring01:22 installing spring02:15 which direction does the pieces go?02:38 assembling the pieces03:16 installing the cam assembly onto the carburetor Reinstall carburetor, align and readjust inter connecting rod to manufacturers specifications. Using the exploded view on reverse side as a guide, disassemble the carburetor far enough to permit thorough cleaning and inspec tion o! Air Bled has the venturi tube pointing down into the bore. Outside top of early Carter tool box with correct decal. Note te larger box, and the number of additional tools from the 1935 set. *New Airhorn Gasket7. However, it is very similar and I found it very useful. 1963-64 Studebaker Carter AFB 1962-1965 Chevrolet 327 and 409 engine carburetor manual 1958-1968 Lincoln carburetor manual AVS 1966 Chevrolet 327 and Marine Carter AVS carburetors BB Ball and Ball Single Barrel downdraft manual: 1939-60 Chrysler, Dodge, Plymouth Carter BB, BB1, BB1A and BB1D updraft Carter BB for IHC BBD Ultra-Sonic Cleaning3. Is there a pointed check weight in the main discharge hole. Secondarys are somehow stuck open (which amounts to a vacuum leak). The single step rods were used on some of the price leader carburetors (i.e. Fig. Carter 2 Barrel BBD Adjustments Mikes Carburetor 21.5K subscribers Subscribe 7.9K views 1 year ago In this video we are going to show you how to do the various adjustments on both the Air. It needs to go up and down easily.Is there aspringunder the power piston?Are the venturi cluster gaskets sitting flat and not curled over? Hold air horn upright with floats hanging. When I slow down to an idle, my engine runs rough. This is an electronic rebuild manual, no physical copy will be provided. Carter used metering rods with a single step, 2-step, 3-step, and 4-step. Carter built the first successful 4 barrel carburetor, the WCFB (Will Carter Four Barrel) which first appeared in 1953 on Buick cars. *New Main Body Gasket8. Fast, secure e-book download. At idle you are at maximum vacuum which makes the metering rods drop down into the main jets. With choke valve tightly closed, tighten fast idle adjusting screw (K) (on high step of cam) until there is the clearance as listed on carburetor specification page between throttle valve and bore of carburetor, side opposite idle port. Carter WCFB Accelerator Pump Adjustment The accelerator pump is used to provide an extra squirt of fuel when you step on the gas. Quick test to see if the accelerator pump is working. This restricts the flow of fuel. Everyone Has Started an Engine in the . Fast Idle or Idle at Cold Start has to be One of the More Important Adjustments on the Carburetor. Pulloffs : CUFWCFB2 $ 0 . Put a straight edge across the dust cover as illustrated. Must be made after fast idle adjustment. Run a blunt object around the inside of the leather cup to make sure any coating is broken. Hold air horn upside down with floats in place and gasket removed. Do not depress float lip against spring in needle, but let float rest of its own weight. Contact Us Home Blog FAQ's Technical Help My Account LoginRegister Examples of Carb Numbers search 0$0 Carburetor Parts by Make & Model Scroll to see more Aero Coach Carburetor Parts Alfa Romeo American Bantam American General American LaFrance American Motors Nash Rambler Auburn Audi Carter WCFB 4 Barrel Adjust Float. Use a brass drift punch. Product information . Probably around 4- 4.5lbs. They need to be centered in the bowl.Fuel could be leaking around the needle & seat. There should now be .018 .023 clearance between throttle valve and bore of carburetor (side opposite idle port). Maximum float buoyancy is generally accomplished when the float pontoons are at a 90-degree angle to the fuel valve. I purchased from you a rebuild kit for Carter WCFB 4 barrel carb on my 1955 Chev. Disassembly2. The Carter WCFB, 4 barrel carburetor metering rods are used to meter the fuel getting into the carburetor bore. Once you get the piston out, clean, Carter WCFB Vacuum Piston the cylinder so that the piston move very free up and down. With rods held in this position, revolve metering rod arm (F) until lip contacts vacumeter link. Both valves should be closed. They work fine when I push hard down on the piston. Though fuel float bowl full, cant get gas into the accelerator pump chamber of the carb. Piston force is too much for linkage. The best-selling product Click now to browse 1957 LINCOLN ACCELERATOR PUMP CARTER WCFB FLUORELASTOMER CUP ETHANOL RESITANTIS we ship worldwide cch-rc.com, C $45.04 Free shipping for many products Find many great new & used options and get the best deals for 1957 LINCOLN ACCELERATOR PUMP CARTER WCFB FLUORELASTOMER CUP ETHANOL RESITANTIS at the . Change the choke setting to index. 1: Carter WCFB idle mixture and speed adustment screw location. The download link will expire in 30 days. pump rod until the top of the pump arm is horizontal (or the screw that retrains it is perfectly vertical, if you prefer).