1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 331Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 331

rem 'c pump di charge prin nd ball by lurning wi psi down-I II th bowl up side do wn, move :2 throul body atta ch ing screw
bowlbTake pump plunger from ca of -o ine or kerosene and sli de into pump cyl indercPlace di charoe chec ball into bod"dRaise
plunger and pre ss li gh tl on haft to expel ai from pump passagee Us in sm II clean bras rod, hold discharge ba 11 down
firmlon its seatAgain raise plunger and press downwardT fu el hould [Jaw past di schar ball or back thru inlet ball in pump
assembl ' gIf pump plun ger depresses easily, presence of dirt or maged check balls is indicatedhClean passage gain and repeat
testIf leakage still is present, rep! ce check ball or pump plunger assem bly6Check floats fo nts and on lip and hinge pinAl
so chec cover for wear in hin ge pin holes- Che Ioat need Ie[f wear is noted on f10al nee dle, install new float needle assembl
which consis ts of matched and tes ted needle and sea and ne fiber washerS Che power piston for burrs or other damagePiston