SEAWATER COOLING SYSTEM SERVICE MANUAL NUMBER 22
Page 6A-6 90-860074--1 FEBRUARY 2002
Seacock
If a seacock is being used, it must be installed between water pickup and seawater pickup
pump (or seawater strainer), to allow operator to shut off the seawater in case of a leak or
when boat is not in use. This will also allow the operator to flush or drain the engine, or clean
the sea strainer while boat is in the water. Install seacock in an area where it will be easily
accessible and support adequately to prevent hose fatigue.
To prevent restricting water flow seacock used must have an internal cross-sectional area
equal to or greater than hose.
Refer to Specifications.
70355
b
c
a
Through The Hull Components Shown - All Similar
a-Wire Reinforced Hose
b-Seacock
c-Seawater Pickup
Seawater Strainer
The strainer, if equipped, must be of sufficient size to ensure that an adequate supply of
water will be maintained for cooling engine. A minimum flow rate is required.
Refer to Specifications.
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