Special Fitting Installation Procedure - Mercury MerCruiser Product Applications Manual

Fuel Delivery System
Fuel line connector
9. Insert the filter into the mounting clip.
IMPORTANT: Per Coast Guard Regulation (CFD 183.570), "each fuel filter and strainer
must be supported on the engine or the boat structure independent from its fuel line
connections, unless the fuel filter or strainer is inside a fuel tank."
10. Install and torque the screw and washer through the fuel filter mounting clip into the
stringer.
Mounting clip screw
11. Install the hose clamps over the hose and insert the barbs into the hose. Torque the
hose clamps.
12. Inspect the fuel line mounting clips to ensure that the recommended length between
clips has not been exceeded. The maximum allowable length is 46 cm (18 in.).
Hose clamps
13. Pressurize the fuel system and check for leaks. Relieve pressure and then check for
leaks again.

Special Fitting Installation Procedure

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.
The following special procedure must be used when making fuel line connection to avoid
damage to fuel filter base.
CARBURETED MODELS
• Apply #565 Loctite Pipe Sealant with Teflon on threads of brass fitting. Do not use teflon
tape.
Page 5A-8
Description
a - Inline filter
b - Connectors
Description
b
a - Fuel line mounting clips
Description
c
a
b
11212
c - Mounting clip
b - Fuel line
WARNING
!
90-863758060 AUGUST 2006
Nm lb. in. lb. ft.
19–27 14–20
Nm lb. in. lb. ft.
12.2 9
a
11213
Nm lb. in. lb. ft.
3.4–6.8 30–60