TANG ON SECOND HIGHEST STEP IDLE SPEED BEND TANG SCREW TO ADJUST 078 THROTTLE LEVER Fig 16 Fast Idle Adjustment To adjust if necessary bend tang on throttle lever NOTE Unloader adjustment should be checked especially if it has been necessary to adjust the choke shaft outer lever tang during choke diaphragm link check 17 Adjust Fast Idle Cam as follows Insert a strip of paper between idle screw and throttle lever then holding throttle lever in the closed position with a rubber band turn idle screw in until a firm drag is felt on the strip of paper Turn idle screw in 1 1 2 additional turns With throttle lever on second highest step of fast idle cam bend tang to obtain 078 clearance between idle speed screw and throttle lever fig 16 18 Adjust Vapor Vent as follows The vent should just start movement when idle screw is on high step of fast idle cam The valve will then be open at curb idling setting TANG ON HIGH STEP s VENT STARTS MOVEMENT l Fig 17 Vapor Vent Adjustment If necessary adjust by bending throttle lever tang fig 1 Installation 1 Install insulator block in place install carburetor on intake manifold studs Install two attaching nuts and washers and tighten evenly On right carburetor in stall vacuum advance line with other end to distributor advance On the left carburetor the vacuum port tube is capped with a plastic cap 2 Replace cross shaft lever support and install three attaching screws at each carburetor 3 Connect gas inlet lines 4 Connect accelerator rod and return spring Connect throttle rods to throttle levers 5 Install choke control rod to each carburetor Adjust as outlined under Section 6 Engine Tune Up 6 Check carburetors for Carburetor Synchronization as outlined in Section 6 Engine Tune Up 7 Replace air cleaner assembly CORYAR SHOP MANU41