From there he slithered down a rope to the gundeck where the main pumps were situated.

If both main pumps fail then to remove the cargo the tank safety valves are adjusted to lift at 1bar.

I've got the main pumps working at full capacity.

These are supplementary pumps and do not replace the main, mechanical, oil pump.

A water and sanitation system was installed four months ago, but the main pump broke down over Christmas.

Failure of the main pump brought the designing engineers from the East, who were unable to find the difficulty.

The two main pumps from the tank were found earlier in the inquiry and revealed no flaws.

He pointed to a hose from the main pump.

The two emergency portables are ready to start, and I'm on my way to check the ship's main pumps.

The two steam generators are provided with water by two main feeding pumps.