1971 Evinrude Fisherman 6HP outboards Service Manual, Page 25Get this manual
C AMP PRIMER BULB
CLAMP HOS
INL ET VALVE0" NG I{ VET
OUTLET VALVJ:::
L SPR ING
CONN ECTOR HOUSI NG
Figure 3-27"0" Ring Tools
Figure 3-29 Primer Bulb and Hose Assembly
down and one to remove the "0" ringBoth instruments are illustrated and can be made easily of 16 gage (116" diameter) steel wireA piece of discarded remote control wire may be usedForm small hook on the bottom end of the longer tool of about 1 16" radiusAfter cutting the wires to length, be sure the ends are rounded off to prevent scratching or damaging the "0" ring seats or the plungersSee Figure 3-27To remove the "0" ring from the connector, proceed as follows: aPlace the connector in vise between two wood blockshPush the plunger down with the straight instrument
cInsert the hooked instrument between the "0" ring and its seat with the hook in flat or horizontal position See Figure 3-28