3.1.3. Sea water pump
The rotating direction of the pump impeller determines the location of the pump’s intake and
discharge ports.
•
Over-tightened belt or gear load will reduce the bearing life of the sea water pump.
•
Do not run sea water pump at dry for more than 20 seconds.
•
Make sure that all valves / cocks in the sea water circuit are opened before run.
•
If there is a risk of freezing weather, drain the water by loosening bolts of end cover.
•
Temperature range : 5 °C (41 °F) ~ 60 °C (140 °F)
3.1.4. Intake and Exhaust Line
Check the condition of intake and exhaust piping lines, and air filter element. If piping lines or
air filter is fouled or worn, clean or replace it.
3.1.5. Fuel Line
Check the leaking of fuel line by opening the fuel valve.
The contamination of fuel causes the clogging of the nozzle or the sticking of the components
of injection pump. Therefore the cleanness of the fuel system should be maintained at any
time.
3.1.6. Bottom of the Engine Room
The bottom of engine room would be as clean and dry as possible.
Check the bilge to prevent water accumulation.
If water accumulation is unavoidable, do not allow the bilge water to reach the bottom of the
engine. To install a bilge pump with an automatic control switch is a good solution.
Caution : Excessive bilge water can cause engine damage like corrosion, rust and
malfunction of engine parts.
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