540
HYDRAULIC SYSTEMS
Studio ti 03312 540-04usa
186
9
9.1.3 Bilge pump operation check
− Fill the bilge with enough water to activate the floater switches. Check
the operation of each bilge pump, including the hand pump.
Check the overboard drain to see that water is pumped out. When
checks are completed, turn the pump switches to AUTO.
Bilge pumps normally do not need routine service.
You can, however, take measures to prolong their useful service life.
Ensure that a pump never runs dry. Running dry can destroy the pump
impeller.
− Where the possibility of freezing exists, drain the pump body. Before
restarting the pump, refill it with water and follow the priming
sequence described in “Priming A Pump”.
− Where a check valve and suction filter are installed, check them
periodically for cleanliness and proper operation.
− If the yacht will be inactive for a long period, drain and clean the pump
bodies and tanks.
Ensure that a pump never runs dry. Running dry can destroy the pump
impeller.
9.1.4 Maintenance of other electric pumps
The electric pumps on your yacht are generally maintenance free,
provided some precautions are taken to extend their useful life.
− Ensure that a pump never runs dry. Running dry can destroy the
pump impeller.
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WARNING
The bilge pumps are connected directly to the batteries and can be
operated when the battery disconnect switch is positioned to OFF.
Starting a pump while it is being serviced could cause personal injury or
damage the pump.
Before doing any kind work on the bilge pumps, DISCONNECT the
pumps’ electrical power from the battery.
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WARNING
Before doing any kind of work on an electric pump, make sure that the
electric power to the pump is switched OFF, and that there is no
possibility of accidentally starting the pump. Starting a pump while it is
being serviced could cause personal injury or damage the pump.
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