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HYDRAULIC PRESSURE TESTING OF BUNKER LINE
Bunker lines are required to be tested to 1.5 times their allowable operating pressure by placing them under a constant hydrostatic load for a prescribed period of time (usually 5-10 […]
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ADVANTAGE OF ROOF TOP BURNER
Roof Top Burners are mainly found in big boilers of tanker. they are slowly replacing the horizontal burners due to following reasons: Increased efficiency due to the longer length allowed […]
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HOW TO PUT TURBOCHARGER OUT OF OPERATION
TURBOCHARGER IS A VERY HIGH SPEED MACHINERY. ANY TROUBLE WHILE RUNNING CAN CAUSE SERIOUS DAMAGE TO THE TURBOCHARGER AND HENCE EARLY STEP SHOULD BE TAKEN TO AVOID SUCH DAMAGE. TURBOCHARGER […]
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METAL ARC WELDING
THE PRINCIPLE OF METAL ARC WELDING CONSIST OF ESTABLISHING AN ELECTRIC ARC BETWEEN A METAL ELECTRODE AND THE WORK PIECE TO BE WELDED. ARC CAN BE DESCRIBED AS A STREAM […]
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OXY- ACETYLENE WELDING/CUTTING
ADVANTAGE OF USING ACETYLENE INSTEAD OF OTHER FUEL IS THAT IT PRODUCES A COMPARATIVELY HIGHER TEMPERATURE AND ALSO AN INERT GAS ENVELOP, CONSISTING OF CO2 AND H2O WHICH PREVENTS MOLTEN […]
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WATER MIST, WATER SPRAY AND SPRINKLER SYSTEM MAINTAINANCE
WEEKLY MAINTENANCE :- Verify that all control panel indicators and alarms are functional. Visually inspect pump unit and its fittings. Check the pump unit valve positions, if valves are not […]
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Gear Pump Overhaul
Switch off the breaker and take out the fuse. Place MEN AT WORK board. Isolate the pump by closing suction and discharge valve. Open the vent valve to check that […]
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FOAM FIRE FIGHTING SYSTEM
Monthly inspection Verify that all controls and section valves are in the proper open or closed position, and all pressure gauges are in the proper range. Quarterly inspection Verify that […]
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CO2 FIXED FIRE FIGHTING SYSTEM MAINTAINANCE
Monthly inspections At least every 30 days a general visual inspection should be made of the overall system condition for obvious signs of damage, and should include verification that: 1. […]
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CENTRIFUGAL PUMP OVERHAULING
SWITCH OF THE BREAKER AND TAKE OUT THE FUSE AND KEEP IT IN A SAFE PLACE. PLACE MEN AT WORK BOARD. CLOSE THE SUCTION AND DISCHARGE VALVE OF THE PUMP […]
