Precautions
!
WARNING
!
WARNING
Make sure no fuel leaks exist before closing en-
gine hatch.
Always disconnect battery cables from battery
BEFORE working on fuel system to prevent fire
or explosion.
!
CAUTION
DO NOT operate engine without cooling water
being supplied to water pickup holes in gear
housing, or water pump impeller will be damaged
and subsequent overheating damage may result.
!
WARNING
Be careful when cleaning flame arrestor and
crankcase ventilation hose; gasoline is extreme-
ly flammable and highly explosive under certain
conditions. Be sure that ignition key is OFF. DO
NOT smoke or allow sources of spark or open
flame in area when cleaning flame arrestor and
crankcase ventilation hose.
!
CAUTION
DO NOT operate engine without water being
supplied to seawater pickup pump on engine, or
pump impeller may be damaged and subsequent
overheating damage to engine may result. En-
gine may be operated with boat out of water, if in-
structions under “Running Engine with Boat Out
of Water,” following, are completed.
!
WARNING
Be careful when changing fuel system compo-
nents; gasoline is extremely flammable and
highly explosive under certain conditions. Be
sure that ignition key is OFF. DO NOT smoke or
allow sources of spark or flame in the area while
changing fuel filter. Wipe up any spilled fuel im-
mediately.
!
WARNING
When running engine with boat out of water, be
certain that area in vicinity of propeller is clear
and that no person is standing nearby. As a pre-
cautionary measure, it is recommended that the
propeller be removed.
!
WARNING
!
CAUTION
Avoid gasoline fire or explosion. Improper in-
stallation of brass fittings or plugs into fuel
pump or fuel filter base can crack casting and/or
cause a fuel leak. Follow specific procedure, giv-
en in Section 4 of this manual, for all fuel line
connections.
DO NOT run engine above 1500 RPM, as suction
created by seawater pickup pump may collapse
water supply hose and cause engine to overheat.
!
WARNING
!
WARNING
Be sure that engine compartment is well venti-
lated and that no gasoline vapors are present to
prevent the possibility of a FIRE or EXPLOSION.
Avoid gasoline fire or explosion. Improper instal-
lation of brass fittings or plugs into fuel pump or
fuel filter base can crack casting and/or cause a
fuel leak.
!
WARNING
DO NOT leave helm unattended while performing
idle speed adjustment.
•
Apply #592 Loctite Pipe Sealant with Teflon to
threads of brass fitting or plug. DO NOT USE
TEFLON TAPE.
•
•
Thread brass fitting or plug into fuel pump or
fuel filter base until finger tight.
Tighten fitting or plug an additional 1-3/4 to
2-1/4
turns using a wrench. DO NOT
OVER-TIGHTEN.
•
Install fuel line. To prevent over-tightening,
hold brass fitting with suitable wrench and
tighten fuel line connectors securely.
•
Check for fuel leaks.
Index
90-823224--2 796
TROUBLESHOOTING - 1C-1
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1993, 1994, 1995, 1996, 1997 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(4 votes, average: 4.5 out of 5)
Marine readers have rated 1993 1997 Mercury-MerCruiser GM V8 454 CID 7.4L and 502 CID 8.2L Marine Engines Service Manual Number 16 4.5 out of 5.0 based on 4 product reviews. Hugely helpful service manual! Perfect. Thank you!
Manuals are all Important for Technician
This book is invaluable if you do your own repairs. Great book.
Could not find a copy until a search brought me here.
Excellent print.
Thank you