Preliminary Connections; Fuel Inlet Fitting - Mercury MX 6.2 MPI Installation Manual

INSTALLATION MANUAL

Preliminary Connections

Fuel Inlet Fitting

IMPORTANT: The following information is provided to ensure proper installation of
brass fittings or plugs installed into fuel pump or fuel filter base:
•
Use #592 Loctite Pipe Sealant with Teflon on threads of fuel inlet fittings or plugs.
DO NOT USE TEFLON TAPE.
Boating standards (NMMA, ABYC and others) and Coast Guard regulations must
be adhered to when installing fuel delivery system.
Avoid gasoline fire or explosion. Improper installation of brass fittings or plugs into
fuel pump or fuel filter base can crack casting and/or cause a fuel leak.
1. Remove plastic plug from fuel inlet hole.
2. Apply sealant to threads of fuel inlet fitting. DO NOT USE TEFLON TAPE.
Overtightening the fuel inlet fitting can lead to fuel leaks, avoid severe personal
injury or death from a gasoline fire or explosion. DO NOT use a power tool (i.e.
impact wrench) to tighten the fuel inlet fitting.
3. Install fuel inlet fitting in fuel pump or filter base. To prevent cracking the casting or
causing fuel leaks, turn fuel inlet fitting in by hand until finger tight. Tighten the fitting an
additional 1-3/4 to 2-1/4 turns with wrench. DO NOT OVERTIGHTEN.
Models With Boost Pump
Description
A
Page 14 of 77
a - Fuel Inlet Fitting
Loctite 592
WARNING
WARNING
WARNING
a
A
78276
Models With Out Boost Pump
Where Used
Fuel Inlet Fitting
INDEX
a
A
77950
Part Number
Obtain Locally
90-864198020