1977 Evinrude 4HP Outboards Service Manual, PN 5303, Page 25Get this manual
CONNECTOR HOUSING Installation of the "a" ring in the fuel hose connector requires the use of two instruments, one to hold the plunger down and one to remov the "a" ring Both instruments are illustrated and can be ade easily of 16 gage (116" diameter) steel wire piece of discarded remote control wire may be usedForm smallhook on the bottom end of the longe tool of about 116" radiusAfte cutting the wires to ength, be sure the ends are ounded off to preve nt at ching or damaging the "a" ring eat on the plunge See Figure 3-23 cPush the plunge down with the stra ight instrum entd Pinch the "a" ing togethe and gently pus into os ition with finge rs
IWft1111 NOTE
"a" ring is damaged air will enter fuel line and carburetor motor will run out of fuel
Figu 3-24Re moving
When eass mbling the fuel hose, check fo acks in the prime bulb or in the hos The rime bulb mus be attached so that fuel flow is fr om the hort er the onge hos lengthFuel flow through the prim bulb is indicated by an rrowSee Figu re 3-25