Checking The Diaphragm And Valve; Assembling The Fuel Pump - SELVA MARINE Wahoo 15 Service Manual

FUEL
2. Remove the pin 1 from the plunger 2,
and then disassemble the fuel pump
body 1 3.
NOTE:
• Push down on the plunger 2 and the dia-
phragm, turn fuel pump body 1 3 approxi-
mately 90° to a position where the pin 1
can be removed easily.
• Slowly release on the plunger 2 and dia-
phragm, and then remove them.

Checking the diaphragm and valve

1. Check the diaphragms and valves.
Replace the diaphragms if torn and the
valves if cracked.
O U
T
I N
4-7
Fuel system
2
3
90˚
S6AG4120J
1
S6AG4130
S6AG4320

Assembling the fuel pump

NOTE:
Clean the parts and soak the valves and the
diaphragms in gasoline before assembly.
1. Install the plunger 1 and diaphragm into
fuel pump body 1 2 and then install the
pin 3 to the plunger 1.
a
2
b
4
NOTE:
• Align the pin installation holes a with the
slot in fuel pump body 1 2, and then install
the pin 3 while pushing the plunger 1 and
diaphragm completely inward.
• Turn fuel pump body 1 2 until the pin 3 is
90° from the slots in fuel pump body 1 2.
• Make sure that the projections b on the
diaphragm fit correctly into fuel pump body
1 2.
2. Assemble the fuel pump as shown.
1
3
2
S6AG4140
90˚
b
S6AG4150J
6AG3J11
4