Vapor Separator Reassembly - Mercury 150 EFI Service Manual

FUEL INJECTION
4. Disconnect harness from pump to separate pump from cover. Inspect filter screen for
debris. Screen may be pried out of pump and cleaned as required.
5. Inspect seal above fuel pump for cuts or abraisions. Replace seal if necessary. Apply
2-4-C w/Teflon to seal lips.
a -
b -
6. Loosen screw securing float assembly and remove float. Inspect float for deterioration
or fuel retention. Replace float as required.
7. Remove gasket and inspect imbedded neoprene sealing bead on both sides of gasket
for cuts or abraisions. Replace gasket/seal assembly as required.
a
b
a -
b -
c -
d -

Vapor Separator Reassembly

NOTE: Inspect VST cover gasket with sealing bead for cuts or abrasions. Replace if nec-
essary. Inspect fuel pump seal in VST cover for cuts or abrasions. Replace if necessary.
1. Install gasket w/sealing bead onto vapor separator cover.
2. Secure float, needle and pivot pin assembly to separator cover with screw. Torque
screw to 10 lb. in. (1.0 Nm)
Page 3B-50
b
c
Filter Screen
Harness Connector
58787
Screw
Float
Gasket
Sealing bead
d
a
c - Pump
d - Seal (Seal shoulder
faces OUT)
c
d
58786
58783
90-883728 JULY 2001