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MV1454 SAFE WATCH KEEPING AND CLASS IV PREPARATION
UNIT I
SAFE WATCH KEEPING:
Definition of watch, operating principles, requirements of watch keeping, requirements of certification, duties of engineer officers – operation of engine room in general, log book writing – watch keeping under way – watch keeping at port – at unsheltered anchorage, fitness for duty, preparation of Diesel Engines for a long voyage – bad weather precautions, safe working practices – during overhauling at port, and during bad weather, change over from diesel oil to heavy oil and vice versa.
Trouble shooting during watch keeping: Emergency measures taken in case of – flooding of engine room, engine room bilge fire, general fire, Incase of any system failure or breakage of pipe lines, etc.
UNIT II
Trouble shooting in Auxiliary Machineries:
Malfunctioning, partial or total failure of auxiliary machineries – such as, auxiliary engines, purifiers, heat exchangers, air compressors, reefer and air conditioning compressors and systems, boilers and accessories, fresh water generators, hydrophore tanks and systems, all pumps & systems.
Repairs and maintenance of propeller, rudder, drydocking methods, drydocking inspection and repair works.
UNIT III
Trouble shooting in Main Engine:
Trouble shooting related to various types of marine diesel engines and condition monitoring – causes, effects, remedies and prevention of engine not turning on Air and Fuel, knocking at TDC and BDC, black smoke in funnel, poor compression and combustion, early or advanced injection, turbocharger surging, scavenge fire, Air starting line explosion, crank case explosion, exhaust uptake fire, failure of bottom end bolts.
UNIT IV
Maintenance of various components of Marine Diesel Engines:
Checking of holding down bolts, resin chocking – Tie-rods tensioning, checking and tightening of 2-stroke and 4-stroke bottom end bolts.
Inspection and maintenance of crankshaft and cam shaft, dismantle inspection and reassemble of main bearings, cross head bearings & bottom end bearings, connecting rod, piston and piston assembly, stuffing box, cylinder head and all mountings, governor and over speed trip – checking of all clearances, adjustments, effect of improper clearances, prevention and rectification.
Cylinder liner and cylinder lubrication, thrust bearing, running gears inspection, engine alignment, chains drive adjustment and tensioning.
UNIT V
Trouble shooting and maintenance of electrical machineries:
Circuit testing, shore supply arrangement, maintenance of circuit breakers, transformers, electrical motors, navigational lights, batteries, starters, electrical equipments, maintenance of switchboard.
Maintenance of electrical equipments in oil tankers, LNG / LPG carriers.
TEXT BOOKS
1. Vikram Gokhale & N.Nanda,” Marine Engineering Practice and Ship safety and Environmental protection”, 3rd Edition, Engee Enterprises Mumbai, 2002.
2. Sulzer brothers, “Sumitomo – Sulzer Diesel Engines”, Service Instruction for Sumitomo Sulzer Diesel Engines RND Sumitomo ship building & Machining co., Ltd., Japan.
REFERENCES
1. IME Manuals and Ship’s Marine Manuals.
2. Manual instruction for MAN Diesel Engine and spare parts, 1968.
3. Instruction Manual for Mitsui – B & W Diesel Engine data, Mitsui Engineering & Ship Building co., Mitsui B & W, 1976.
4. Manual De Maintenance & operation MAN type K.270 120E DMR.
5. Daihatsu Diesel Engine instruction book, Operation & maintenance manual for Daihatsu Diesel Engine Model – DV26, Model 6 PKT – TB-16.
6. Diesel Manufacturing Co., Ltd., Japan, March 1984.
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