37
11.
MAINTENANCE AFTER OPERATION
Maintenance after pumping seawater or foul water
After pumping seawater or foul water, the pump should be flushed out with fresh
water immediately to prevent excessive corrosion.
And operate the vacuum pump for 5 seconds at low engine speed in order to clean
the inside of the vacuum pump.
Drain water
(4 drain valves / operate at three locations.)
1.
Open the drain valves and check the water in the
pump has been completely drained.
2.
Close the all drain valves for the next operation.
Suction performance check
1.
Open the drain valves and check the water in the
pump has been completely drained.
2.
Close all the drain valves and install a suction port
cap*.
*Use a cap that suits the suction port size. Instead
of the suction cap, or using a plane stiff panel
which can keep vacuum generated by the vacuum
pump without leaking vacuum inside the pump.
・
Prepare a suction cap that is suitable for the suction coupling.
Suction port cap
Valves (Pump case)
Close
Open
Valve for drain
Valve (Ball cock)
Close
Open
NOTE
