RUDDER AND STEERING GEAR ROUTINES on MV VISHVA CHETNA

Amount

RUDDER AND STEERING GEAR ROUTINES. ROTARY VANE STEERING GEAR RUDDER ACTUATOR TYPE:RV 1350-3 32x37.5RUDDERSTOCK DIAMETER:460/540 M MAXRUDDER ANGLE:37.5 DEG MAXWORKING PRESSURE:80 BARRELIEF VALVE SETTING:100 BAR EFFECTIVE :1233 KNM

RUDDER ROUTINES 1.DRAIN PLUGS (2 SETS) FOR RUDDER TO REMOVE IN PRESENCE OF CEO / SUPDT AND TO CHECK FOR WATER INGRESS . 2.RUDDER TO BE PRESSURE TESTED TO 3 PSI / WATER COLUMN UP TO 2MTRS . THE SAME TO BE OFFERED TO IRS/LRS SURVEY . DURING PRESSURE TESTING OF RUDDER IF LEAKAGES ARE OBSERVED THE LEAKAGE WILL BE RECTIFIED BY YARD AND RE PRESSURE TEST TO BE CARRIED OUT BY THE CONTRACTOR TILL LEAK IS ARRESTED. 3.FLOAT COAT RUDDER INTERNALLY WITH UNISERVICE 210/ FISH OIL /BITUMINOUS SOLUTION- APPROX QTY 500 LTRS.PROCUREMENT AND SUPPLY OF THE FISH OIL/BITUMINOUS SOLUTION/UNISERVICE 210 IS UNDER CONTRACTOR’S SCOPE. 4. RUDDER TRANSOM SPACE AND SKEG TO BE GIVEN FLOAT COAT INTERNALLY . PROCUREMENT AND SUPPLY OF THE FISH OIL/ BITUMINOUS SOLUTION/UNISERVICE 210 IS UNDER CONTRACTOR’S SCOPE.PLUGS TO BE FITTED BACK. 5. REMOVE BOTH TOP AND BOTTOM PINTLE INSPECTION COVERS (FITTED WITH SCREWS).DAMAGED SCREWS TO BE REPLACED . BOTH PINTLE BUSH CLEARANCES RUDDER DROP IN STEERING FLAT RAPSON SLIDE AND J

THRUST BEARING CLEARANCE TO BE CHECKED BETWEEN THE ROTOR VANE AND BOTTOM OF THE HOUSING. IF THE CLEARANCE IS LESS THAN 0.1MM THE BEARING TO BE REPLACED (BEARING SHIP SUPPLY).NECESSARY MACHING REQUIRED TO REPLACE THE BEARING TO BE ARRANGED BY THE VENDOR.

STEERING GEAR SATISFACTORY TRIALS TO BE SHOWN TO SHIP/IRS. ALL THE DEGUTTED CONNECTIONS TO BE RESTORED WITH PROPER MARKINGS. VENDOR TO DEPLOY THE TECHNICAL TEAM TOWARDS SEA TRIALS.

1.RUDDER TO BE DISMOUNTED FROM RUDDER STOCK USING HYDRAULIC POWER PACK.TECHNICAL OPENINGS TO BE CUT AND NECESSARY EYE HOOKS TO BE WELDED ON RUDDER AND HULL,THE SAME TO BE REMOVED POST COMPLETION OF RUDDER ROUTINES.REQUIRED CHAIN BLOCKS,SLINGS ,POWERBANKS TO BE ARRANGED BY THE CONTRACTOR.WEIGHT OF THE RUDDER IS 50 TONNES. RUDDER STOCK TO BE REMOVED BY DISMOUNTING THE HYDRAULIC ACTUATOR USING POWER PACK.RUDDER STOCK TO BE LOWERED.RUDDER STOCK AND RUDDER TO BE FITTED BACK POST COMPLETION OF ROUTINES.

CALIBRATION OF RUDDER STOCK AND BEARING JOURNALS TO BE CARRIED OUT USING CALIBRATED MICROMETERS THE SAME TO BE OFFERED TO IRS/LRS.NDT TEST (DP TESTS/MPI/ UT GAUGING)TO BE CARRIED OUT BY THE QUALIFIED TECHNICIAN (IRS APPROVED) ON ENTIRE RUDDER STOCK,PINTLE BUSH ,PINTLE PIN IN PRESENCE OF IRS/LRS. RUDDERSTOCK DIAMETER:460/540 MM Note : REQUIRED DP TEST KITS,MPI & UTG EQUIPMENTS TO BE ARRANGED BY VENDOR.

TRUENESS CHECKING OF RUDDER STOCK TO BE CARRIED OUT BY THE VENDOR AT VENDOR FACILITY/WORKSHOP.TO AND FRO TRANSPORTATION OF RUDDER STOCK IS UNDER VENDOR SCOPE.SKIM CUT TO BE CARRIED OUT TO ELIMINATE ANY SCRATCHES AND SCORING MARKS.THE SAME TO BE OFFERED TO SHIP /IRS

MACHINING OF PINTLE TO THE REQUIRED DIMENSION AS PER DRAWING. REMOVAL OF NECK BUSH AND PINTLE BUSH TO BE CARRIED OUT .AND NEW BUSHES TO BE COLLECTED FROM SHIP, TO BE MACHINED TO REQUIRED DIMENSIONS.THE SAME TO BE FITTED IN POSTION.MACHINING OF THE BUSHES ,TO AND FRO TRANSPORTATION,PROCUREMENT AND SUPPLY OF DRY ICE FOR FITMENT OF BUSHES IS UNDER CONTRACTOR’S SCOPE. APPROX DIA*LENGTH-1600 MM*500 DIA FOR LOWEER PINTLE AND 750 MM LENGTH*550 IA FOR UPPER PINTLE.

COMPLETE STEERING GEAR SYSTEM TO BE CHECKED FOR PROPER FUNCTIONING BEFORE CARRYING OUT ANY MAINTENANCE WORK.HYDRAULIC OIL TO BE DRAINED OFF FROM ACTUATOR FOR MAINTENANCE WORK.LUB OIL TO BE COLLECTED FROM SHIP / JETTY, AND THE SAME TO BE FILLED IN THE SYSTEM.TANK TO BE CLEANED BEFORE FILLING UP THE OIL.ATMOST HYGIENE TO BE MAINTAINED FOR THE EQUIPMENT AND SURROUNDINGS.

HYDRAULIC POWER PACK TO BE DRAINED OFF LUB OIL. MANHOLE TO BE OPENED FOR STEERING GEAR PUMP INSPECTION. FILTERS TO BE RENEWED. ALL CONNECTION INSIDE THE TANKS AND OUTSIDE THE TANK TO BE CHECKED FOR TIGHNESS.LO TO BE TAKEN AFTER WORK. BEFORE FITMENT OF MANHOLE JOINT TO BE REPLACED.JOINT TO BE SUPPLIED BY VENDOR.

LO COOLERS TO BE CLEANED WITH DEGREASING /DESCALING CHEMICALS .CHEMICALS TO BE ARRANGED BY VENDOR. COOLERS TO BE REMOVED FROM POSITION AND SHIFTED TO WORK SHOP.POST CHEMICAL CLEANING PRESSURE TEST TO BE OFFERED TO SHIP STAFF/IRS UP TO 1.5TIMES OF WORKING PRESSURE WITH CALIBRATED PRESSURE GAUGE.

REMOVE THE TOP COVER AND DISMOUNT THE ACTUATOR FROM STOCK.RENEW ROTOR SEAL AND GLAND SEAL TO BE RENEWED.VISUALLY CHECK FOR ANY SCORING AND NECESSARY POLISHING/BUFFING TO BE CARRIED OUT ON THE SURFACE OF TOP COVER.REPLACE ACTUATOR SEALS(SUPPLIED BY SHIP) GLAND COVER BOLTS TO BE REPLACED IF DAMAGED.VISUALLY CHECK FOR ANY SCORING AND NECESSARY POLISHING/BUFFING TO BE CARRIED OUT ON THE SURFACE OF TOP COVER. STUFFING BOX TO BE REMOVED.SEALS TO BE REPLACED.GLAND COVER BOLTS TO BE REPLACED IF DAMAGED. SEALS WILL BE SUPPLIED BY SHIP.

SHM SHIPCARE PRIVATE LIMITED

VOYAGER MARINE SERVICES INDIA PRIVATE LIMITED

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