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INSTALLATION & OPERATION MANUAL
L500 Series
- 18 -
Water strainer
← Water valve ← Water pickup
↓
Seawater pump
↓
Intercooler
↓
Heat exchanger
↓
Discharge Seawater
SEAWATER FLOW
– OPEN COOLING CIRCUIT
WATER PICKUP
• Water pickup should be installed in an area
where it
won’t pick up air bubbles and will access
clean water during all phases of the engine
operation.
• The seawater pickup inner diameter, as well as all
other connecting fittings (hoses, connectors, water
valve etc.) must be at least the size of the inner
diameter of the inlet of the seawater pump. If not,
it may inhibit the supply of sufficient water and
cause the engine to overheat.
CAUTION
IF THE SEAWATER STRAINER IS NOT PROPERLY ASSEMBLED, AIR
CAN BE SUCKED INTO THE COOLING CIRCUIT, DISTURBING THE
VACUUM PROCESS. THIS CAN CAUSE THE ENGINE TO OVERHEAT.
WATER STRAINER
• Strainer should be located in an area where it will
be easily accessible for periodic seawater flow
inspection and cleaning.
• The size of strainer must be of sufficient capacity
to pass the seawater (a flow rate over 400 liters
per minute).
• Strainer must be installed after water inlet valve
in order to allow user to shut off seawater when
cleaning strainer filter.