Mercury MerCruiser D2.8L D-Tronic Service Manual page 110

TROUBLESHOOTING
Make sure no fuel leaks exist before closing engine hatch.
When running engine with boat out of water, be certain that area in vicinity of propel-
ler is clear and that no person is standing nearby. As a precautionary measure, it
is recommended that the propeller be removed.
Do NOT leave helm unattended while performing idle speed adjustment.
Safety glasses should be worn while working on fuel injection system. The fuel in-
jection pump will generate pressures in excess of 2000 psi (13790 kPa). Use caution
when removing injectors, injector lines, or bleeding air from injection system.
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
for running engine with boat out of water, below, are followed.
Do NOT run engine above 1500 rpm, as suction created by seawater pickup pump
may collapse water supply hose and cause engine to overheat
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WARNING
WARNING
WARNING
WARNING
CAUTION
CAUTION
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002