Mercury MerCruiser D2.8L D-Tronic Service Manual page 100

MAINTENANCE
12. Sterndrive (MCM) Only: Insert a small wire (repeatedly) to make sure that
speedometer pitot tube, trim tab/anode cavity vent hole and trim tab/anode cavity drain
passage are unobstructed and drained.
Typical Bravo Drive Unit
13. After seawater section of cooling system has been drained completely:
a. Coat threads of intercooler drain plug with Perfect Seal and reinstall. Tighten
b. Reconnect hoses. Tighten hose clamps securely.
NOTE: Renew end cover gaskets if worn or deteriorated.
c. Install all four end cover gaskets and covers on the heat exchanger tank.
d. Torque the end covers on the upper heat exchanger section to 14-15 Nm
e. Torque the end covers on the lower heat exchanger section to 11 Nm (108-120 lb-in.).
Page 1B-70
a - Speedometer Pitot Tube
b - Vent Hole
c - Drain Passage
securely.
(120-132 lb-in.).
b
a
SERVICE MANUAL NUMBER 22
c
90-860074--1 FEBRUARY 2002
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