INSTALLATION & OPERATION MANUAL
L500 Series
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SEAWATER PUMP
• The internal diameter of hose connected to
seawater pump inlet should be 50.8mm (2 inch).
• The cross section of the hose may shrink due to
inlet pressure drop. Therefore, the hose from
water pickup in the
boat’s hull to the seawater
pump inlet should be as short as possible and
must be made of steel wire reinforced material.
• The seawater pump impeller must be checked
periodically and replaced if necessary.
CAUTION
IF THE WATERPUMP IS NOT PROPERLY ASSEMBLED, AIR CAN BE
SUCKED INTO THE COOLING CIRCUIT, DISTURBING THE VACUUM
PROCESS. THIS CAN CAUSE THE ENGINE TO OVERHEAT.
CAUTION
DO NOT RUN THE ENGINE WITHOUT SEAWATER. THE SEAWATER PUMP
IMPELLER WILL BE DAMAGED. BEFORE STARTING THE ENGINE, BE
SURE TO SUPPLY SEAWATER TO THE PASSAGES.
CAUTION
DO NOT INSTALL ADDITIONAL DEVICES WHICH COULD OBSTRUCT THE
FLOW OF SEAWATER. THIS CAN CAUSE THE ENGINE TO OVERHEAT.
