TROUBLESHOOTING
SERVICE MANUAL NUMBER 23
Precautions
WARNING
Always disconnect battery cables from battery BEFORE working on fuel system to
prevent fire or explosion.
WARNING
Be careful when cleaning flame arrestor and crankcase ventilation hose; 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 open flame in area
when cleaning flame arrestor and crankcase ventilation hose.
WARNING
Be careful when changing fuel system components; gasoline is extremely flam-
mable 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 immediately.
WARNING
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.
•
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
OVERTIGHTEN.
•
•
Install fuel line. To prevent overtightening, hold brass fitting with suitable
wrench and tighten fuel line connectors securely.
Check for fuel leaks.
WARNING
Make sure no fuel leaks exist before closing engine hatch.
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 overheat-
ing damage may result.
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. Engine may be operated with boat out of water, if instructions
under “Running Engine with Boat Out of Water,” following, are completed.
WARNING
Whenrunning enginewithboatoutofwater,becertainthatareainvicinityofpropel-
ler is clear and that no person is standing nearby. As a precautionary measure, it
is recommended that the propeller be removed.
Page 1C-2
90-861326--1 MARCH 1999
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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Marine readers have rated Mercury MerCruiser GM V8 GM V8 454 CID 7.4L and 502 cid 8.2L Marine Engines Service Manual Number 23 5.0 out of 5.0 based on 1 product reviews. Just need the manual. Wrote review. Can't technically review what I haven't seen yet...