Mercury MerCruiser D2.8L D-Tronic Service Manual page 98

MAINTENANCE
4. Remove the end covers from BOTH port and starboard ends on upper and lower
sections of heat exchanger tank.
5. Drain tank completely.
6. Sponge out or soak up any water that remains in the bottom part of upper and lower heat
exchanger sections, until all water passage tubes are completely free of standing water.
Avoid damage to heat exchanger and subsequent possible engine damage.
Remove all water from heat exchanger sections. Failure to do so could cause
corrosion or freeze damage to heat exchanger water passage tubes.
NOTE: In the following it may be necessary to lower or bend the hoses to allow water to drain
completely.
7. On Sterndrive (MCM) Engines: Disconnect seawater outlet hose at aft end of power
steering fluid cooler. Lower hose and drain completely.
Typical
Page 1B-68
b
73326
a - Upper Section End Cover
b - Lower Section End Cover
a - Power Steering Fluid Cooler
b - Seawater Hose
CAUTION
a
a
b
b
a
SERVICE MANUAL NUMBER 22
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90-860074--1 FEBRUARY 2002
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