GASOLINE ENGINE 8.1 S INBOARD MODELS
Page 55 of 58
MANUAL DRAIN SYSTEM
NOTE: If air actuated drain system fails, use the blue drain plugs to drain engine.
NOTE: It may be necessary to lift, bend or lower hoses to allow water to drain completely
when hoses are disconnected.
1. Remove drain plugs from front and rear of cool fuel cell and from the seawater pump.
2. Remove end caps, sealing washers and gaskets from heat exchangers.
71515
a
b
c
d
a -
Heat Exchanger
b -
Gaskets
c -
Sealing Washer
d -
End Cap
3. Clean out drain holes using a stiff wire. Do this until entire system is drained.
4. Remove both hoses from seawater pump.
77512
a
b
a -
Seawater Inlet Hose
b -
Hose To Cooler
5. Crank engine over slightly with starter motor to purge any water trapped in seawater
pickup pump. DO NOT ALLOW ENGINE TO START.
