1984-1986 Mercury Force 9.9 and 15HP Outboards Service Manual, Page 13Get this manual
PRIME BULB OeacrlptlonThe pr ime bulb is part of the fuel line Rubber hoses are attached to both ends of the bulb and secu ed by ferrules The lank side altha bulb contains check valve which prevents fuel from running back into the tankFigure 2
FUEL LINE COUPLERS
Ce.crlptlonEach coupler conta ins two a-ring seals poppetand poppet spring The couplers on the fuel supply line prelle nt luel flow when disconnected The fuel is sealed at the point where the poppet contacts the bottom a-ring When coupler is connected the poppet is pushed in separ ating it from the a-r ing and allowi ng fuel to pass through The top a-ring serves to seal the luel flow the coupler and the bushing it is connected to Figure 3
BC'TTOM SEAL
VALVE BULB
Figure 2Check Valve DisassemblyPlace pri me bulb in hoi water (1 80 degrees to 200 degrees F) (82 degrees to 93 degrees C) until hose becomes soft and pliable Pull hose and ferrule from each end 01 bulbPu ll ch eck valve assembly from prime bulbRemove valve heck ball re tainer and allow baliia roll out