Framo. Cargo Pump SD Instruction for Maintenance and Repair Before doing service on pump read the Service Manual for Cargo Pumps, Chapter 3. Well, he had worked on ships (tankers) with Framo pumps. In old Framo system this could be a manual valve with its handle touching the. Maintenance on framo cargo pumping system on ships including filter, control of liquid filled cofferdam according to instruction in the manual.

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Just trying to give the salt back to sea.

It is recommended to inspect the anodes annually until rate of consumption is established. Before reassembling any parts, they must be absolutely clean and free from dirt, lint or other foreign matter.

Ajay sharma Dec 23, Purging reports to be filled in during every round-trip. You enlightened me and many others sir thank you so much. The command signals from potentiometers at the front of the control panel are fed directly into the proportional valves for speed control.

Maintenance on Framo Cargo Pumping System

For some cargoes, we are supposed to not do the cofferdam purging. Each pump has a lever that connects with the STC of that pump mnaual a hydraulic control line. So the fluctuation only stops when the system pressure and the consumer pressure are the same.


Recirculation of hydraulic oil through feed pump also avoids oil temperature variations at different parts of the hydraulic system.

That’s one of the most efficient blog on a marine topic.

Maintenance on Framo Cargo Pumping System

Each sub-system has its own 24VDC power supply. For increased availability and simplified trouble shooting, the control system is electrically divided into separate sub-systems.

For this reason maual the oil level in the hydraulic tank goes below minimum level, the power pack will trip. Debris switches to be checked if alarm is indicated. Your email address will not be published.

STC is fitted on top plate of the pump on main deck. SM halbe Oct 27, Do not use any cleaning fluid containing chlorinated hydrocarbons.

A Basic But Helpful Guide On Framo System – MySeaTime

The PLC receives input from a level switch installed in the pump casing and controls the solenoid valve for the ejector pilot air, starting and stopping the ejector. Usually pressure of more than 5 Bars is maintained in the system even when the system is not in use.

I learned a lot and answered my questions With local control valve, we can control the speed of the pump locally from the pump itself. In fact stripping also takes time and is this added practically. Framo pumps are centrifugal pumps.

And this video might help in understanding of how a centrifugal pump works. This is called high capacity mode of feed system. This is to keep the feed pressure on the suction side of the main hydraulic pump. Any hydraulic oil or cargo leakage will collect in this cofferdam.


These tests are normally carried out and analysed by a Framo service engineer either at a predocking inspection or special attendance for this activity. This is because more the flow of pressurised oil to the hydraulic motor, more speed the impeller will rotate.

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Framo Hydraulic Cargo Pumping System on Ships

Leave a Reply Cancel reply Your email address will not be published. When we open the knob by turning anti clockwisethe STC bypasses all the oil and nothing goes into the hydraulic motor. I am not going in details of how a centrifugal pump works.

It is therefore recommended to change wear rings if the pump is overhauled for other reasons. Pankaj mehta Apr 17, Satyam kothari Jan 23, Rakesh Rana Jun 16, Jan Michael Jardiolin Apr 10, And any particles in the system are filtered while feed pump runs the hydraulic oil in recirculation mode. Maybe you can add under puging: