EDI DIAGNOSIS SERVICE MANUAL NUMBER 22
Page 5E-94 90-860074--1 FEBRUARY 2002
WARNING
Make sure no fuel leaks exist, before closing engine hatch.
CAUTION
It is good practice to ventilate the engine compartment prior to servicing any engine
components to remove any fuel vapors which may cause difficulty breathing or be
an irritant.
CAUTION
Fuel pressure MUST BE relieved before servicing high pressure components in the
fuel system.
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 to engine may result.
IMPORTANT: The following information MUST BE adhered to when working on the
fuel system:
• Always keep a dry chemical fire extinguisher at the work area.
• Do NOT replace fuel pipe with fuel hose.
• Do NOT attempt any repair to the fuel system until instructions and
illustrations relating to that repair are thoroughly understood.
• Observe all Precautions and Notes.
Replacement Parts Warning
WARNING
Electrical and fuel system components on your Mercury MerCruiser are designed
and manufactured to comply with U.S. Coast Guard Rules and Regulations to
minimize risks of fire and explosion. Use of replacement electrical, ignition or fuel
system components, which Do NOT comply with these rules and regulations, could
result in a fire or explosion hazard and should be avoided.