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D7.3L D-TRONIC DIESEL ENGINES - BRAVO MODELS
Page 76 of 90
Test Running Engine
WARNING
Electrical system components on this engine are not external ignition protected.
DO NOT STORE OR UTILIZE GASOLINE ON BOATS EQUIPPED WITH THESE EN-
GINES, UNLESS PROVISIONS HAVE BEEN MADE TO EXCLUDE GASOLINE VA-
PORS FROM ENGINE COMPARTMENT (REF: 33 CFR). Failure to comply could re-
sult in fire, explosion and/or severe personal injury.
WARNING
If engine is to be tested with boat out of water, the propeller must be removed to
avoid injury.
IMPORTANT: If engine is to be tested on land, water must be supplied to seawater
pickup pump. DO NOT run engine above 1500 rpm, as suction created could cause
water hose to collapse causing water supply to be cut off.
1. If engine is to be tested on land, supply water to seawater pump.
861606
merCruiser
a
a-Seawater Pump
WARNING
Do not leave helm unattended when making test with boat in the water.
2. Check to ensure that cooling system drain plugs, petcocks, and hoses are installed and
tight.
NOTE: Refer to “Operation, Maintenance and Warranty Manual” for operating specifica-
tions and fluid capacities.
3. Check closed cooling system fluid level.
4. Check crankcase oil level.
5. Check sterndrive unit oil level.
6. Check drive belt tension.
7. Test Audio Warning System.