eep UNIVERSAL SERIES ZNIANIIAL E is generally caused by excessive engine idle speed A in combination with retarded ignition timing A v ji lli V V engine heat soak or the use cf l ow octane fuel R Aln t I i Should engine dieseling engine running after ignition key is turned off he experienced on V 6 V V 1igi equipped vehicles installation of Idle Stop r S Valve Kit Part No 991722 will correct the ji V IV M jig M difficulty M E F ii V ast Idle Ad justrrieint K E No fast idle speed adjustment is reqiuired Fast ti idle is controlled by the curb idle speed adjustment JQ V screw If curb idle speed is correctly set and the i r r r r I ir ri g S choke rod is properly adjusted fast idle speed will iii be correct ZZ I ii i 8 a xl 2 wi A g w E 44 Dash Pot Ad justmeint M y y g F4 and V 6 Engine p i Refer to Figs E 27 and E 28 t rsi Before adjusting the dash pot the engine idle speed and mixture should be correctly adjusted With the FHL E 28 DA H POI ADJUSTMUWT l 4 ENGINE engine idling at normal operating temperature gl1 r 1 I lever 3 li ag i Por adjust the dash pot as follows umm LM Nut The dash pot adjustment is made with the throttle S n YS k t d v In d t b 1 1 set at curb idle not fast idle Loosen dash pot lock V5iv 1 2 a r T a 1 Ms sc bm cn OY Comp nut and turn the dash pot assembly until dash pot Q L C pump O yp OW csavlqr phm Cr Ccmtacts the thmttle lever without the ing housing for the diaphragm lever valves and g I springs The fuel purnp is mounted on the left side plunger being depressed l hen turn the dash pot of the engine and is actuated by an eccentric on the assemblv 2 turns against 1he throttle lever de r Ss th d h t 1 ht n Th 1O 1 ut camshalrt An air dome is cast into the metal cover Eegurlqg is gs Hp phunifr g i g rbu tO gnd tc relieve the carburetor needle valve and the fuel C y n C Cc pump diaphragm of excessive pressure when the allow throttle to snap closed I ime clash pot delay t f th t P th tr ttl 1 carburetor needle valve is closed gig iilcgl fmt tegfm l t lr 1 th trf Ever Tracing pump operation from the beginning the 1 S C ish pg S DO YTZ 1 G ever shQpS carnshaft eccentric forces the diaphragm up over OYmg C fas pm S Oli b ey er Cui ml coming spring pressure This action creates a partial Chosmg t1Odn Or UNO lrl Sl yisaylrlgr HC vacuum in the pump chamber Fuel from the main t Ousam an O One t O S C am t tank is forced into the low pressure pump chamber through the open disc valve Incoming fuel supplies l the force necessary to open the valve which is a on e way check valve As the engine camshaft continues to rotate spring pressure forces the diaphragm downward as the pump rocker arm follows the camshaft eccentric to its low spot 2 GQ The downward action of the diaphragm closes 7 the intake valve and forces fuel to the carburetor 3 Z reservoir through the pump outlet valve Both ro Z intake and outlet valves are one way check valves ZY opened and closed by fuel flow No mechanical Gl I components are required in the control of valve J J I OpCtl 3 iLiOI1 Il gl Fuel is delivered to the carburetor only when the iQ l flotid1 ff tWh thfll 1 ElZIC ClSO issea en e ue eve in the carburetor bowl is high enough for the float to force the needle against its seat pressure backs up to the fuel pump air dome and causes the diaphragm 14204 to stop pumping In this position the pump is said FIG E 27 DASH POT ADjUs riMENq v6 NG NE to be balzmcedlbecause the pressure in the pump 1 Throw Lever mDaSh PO to carburet0r line equals that of the diaphragm 2 P1 g r L c1 N r spcrclng lin this way fuel from the pump to the E 45 FUEL PUMP D E I W carburetor is always under pressure The carburetor HURRICANE E ikIE mETION uses fuel causrng the float to drop and pull the buretor needle valve off its seat Pressure in the Earl Models car Y b pump immediately drops as fuel is delivered to the The d0uble act10n fuel pump consists 0f a metal ca rt uretor reservoir Almost instantaneously the body a rubber diaphragm rocker arm valves diaphragm again starts operating to pump more 125