Purifiers Problems -Trouble shooting 1) What to do if treated oil flows through water side? Ans) i) Check the size of the gravity disc and fit it as per mentioned in the nomograph ii) Incorrect treated oil temperature. iii) Check o rings 2) What is a nomograph? Ans) It is a graph by which you can select correct gravity disc for the purifier It is available on internet or you may find it the ship’s purifier instruction manual. 3) Why treated oil flows out through sludge outlet? Ans) Following reasons could lead to treated oil flowing through sludge outlet. Drop in purifier rotating speed i) Worn friction blocks/pads ii) Reduced voltage supply to electric motor ...
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Diesel Generators Trouble shooting Why engine unable to start on air? Ans) Air bottle start air valve not opened Air bottle pressure very less Start air interlock activated i) Low lub oil pressure ii) Flywheel turning rod not kept in place iii) over speed trip activated and not reset Start air motor defective or Start air valves defective Or Start air distributor defective Why engine not turning on fuel? Ans) Fuel line valv...
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FRESH WATER GENERATOR TROUBLE SHOOTING Why no vacuum or less vacuum? Ans) Ejector pump not running Ejector pump filter dirty Ejector pump /motor coupling bolts sheared off Air ejector defective Vaccum gauge defective Shell cover leaking Why FWG salinity high alarm? Brine ejector defective Fouled salinity indic...
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MAIN ENGINE TROUBLE SHOOTING Why Engine not starting on air? Ans) No control air/ starting air Automatic start air valve is in shut position Air distributor valve stuck Turning gear Interlock activated Why engine fail to run on fuel after starting on air? Ans) Fuel viscosity high Fuel injector defective Insufficient fuel oil pressure Incorrect fuel pump timing Fuel ...