Mercury Optimax 115 Service Manual page 145

FUEL PUMP
Fuel Pump Removal/Disassembly
IMPORTANT: Fuel pump diaphragm and gaskets should not be re-used once fuel
pump is disassembled.
NOTE: External low pressure electric fuel pump and vapor separator has been removed
from illustration to provide improved visual clarity for location of mechanical fuel pump.
1. Disconnect fuel hoses from fuel pump.
2. Disconnect pulse hose.
3. Remove two mounting screws.
4. Remove fuel pump from engine.
a -
b -
c -
d -
e -
5. Disassemble fuel pump.
Page 3A-6
c
a
Fuel hose from tank to fuel pump
Fuel hose from fuel pump to Water Separator
Pulse hose
Mounting screws
Fuel pump
b
e
d
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90-855347R1 JANUARY 1999