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Mercury 20 EFI FourStroke

Mercury 20 EFI FourStroke
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2. Remove the seal.
a - Screw (4)
b - Fuel cooler cover
c - Seal
d - Cooling water chamber
e - Water outlet (water pump indicator hose)
f - Water inlet
VST Installation
1.
Feed the water pump indicator hose and the fuel cooler supply hose through their respective holes in the midplate.
2. Attach the two vent hoses to the top of the VST assembly.
3. Connect the high‑pressure fuel hose to the VST with a new Oetiker® clamp.
Clamp Tool 91‑803146T
a - VST vent hoses
b - Fuel cooler water supply hose
c - Fuel cooler drain hose (water pump indicator hose)
d - High‑pressure fuel hose (to fuel rail)
a
b
c
63140
d
e
f
a
a
c
b
62926
d
Service Procedures
Page 3C-16 © 2018 Mercury Marine 90-8M0125265 eng NOVEMBER 2017

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