Service manual

SEAWATER COOLED MODELS SERVICE MANUAL NUMBER 26
Page 6A-10 90-861329--1 MARCH 1999
STANDARD DRAINING PROCEDURES
1. Engine must be level or front of engine slightly higher to properly drain cooling system.
2. Remove drain plugs from cylinder block and manifold.
71424
a
a-Drain Plug (Port and Starboard)
3. Repeatedly clean out drain holes using a stiff piece of wire. Do this until entire system
is drained.
NOTE: It may be necessary to lift, bend, or lower hoses to allow water to drain completely
when hoses are disconnected.
4. Remove and lower the hoses to allow them to drain.
75815
a
b
140° Thermostat Housing Shown
a-Inlet Hose
b-Circulating Pump Hose
Index