MEDIA

PICTURES

An image is worth more than a thousand words. While giving exams it is very often we forget many things, even those work which we have done on board. So for a quick grasp go through these pictures. All pictures are sorted into categories and having descriptions with them.

Auxiliary Engine Crankcase Inspection

Step 1

Step 1

Step 1

Step 1


Prepare for crankcase inspection. Shut LO pump and after some time open crankcase door.

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Step 2

Step 2

Step 2

Step 2


Check sump for dirt or metal particle. Check seizing wire of all bolts.

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Step 3

Step 3

Step 3

Step 3


Check under piston of each unit.

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Step 4

Step 4

Step 4

Step 4


Check spray LO nozzle(only for dry sump, cause no splash lubrication.

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Step 5

Step 5

Step 5

Step 5


Check gear arrangement in the last unit of the generator.

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Step 6

Step 6

Step 6

Step 6


Check connecting rod and crankshaft in each unit.

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Step 7

Step 7

Step 7

Step 7


Check the sideways movement of each connecting rod.

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Step 8

Step 8

Step 8

Step 8


Take crankshaft deflection.

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Fresh Water Generator Cleaning

Step 1

Step 1

Step 1

Step 1


Start preparing for opening FWG, shut all valves of ejector pump and distillate pump. Before opening please mark relevant parts.

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Step 2

Step 2

Step 2

Step 2


Take the measurement of all tie bolts. There are two methods either measure the full length of tie bolt or end length of the tie bolt(it should not slip).

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Step 3

Step 3

Step 3

Step 3


Now start opening FWG tie bolts all at same time.

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Step 4

Step 4

Step 4

Step 4


Remove plates one by one and place them in sequence.

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Step 5

Step 5

Step 5

Step 5


Remove scales from plates. The evaporator will have salt as the deposit & condenser will have mud only.

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Step 6

Step 6

Step 6

Step 6


Chemically clean all plates.

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Step 7

Step 7

Step 7

Step 7


Clean with fresh water and dry all plates.

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Step 8

Step 8

Step 8

Step 8


Check all gaskets and replace damage ones.

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Step 9

Step 9

Step 9

Step 9


Take out demister and clean it.

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Step 10

Step 10

Step 10

Step 10


Start placing plates in the same sequence as removed.

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Step 12

Step 12

Step 12

Step 12


Place cover and start tightening the nuts on the tie bolts.

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Step 11

Step 11

Step 11

Step 11


Once tighten measure tie bolts length. It should be the same as before opening.

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Step 13

Step 13

Step 13

Step 13


After tightening all plates try out with ejector pump for any leakages.

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VIDEOS

Please go through all our videos for better understanding and command of subjects. Every video is already linked to the relevant topics in the blog section.