OVERHAULING OF MAIN ENGINE REDUCTION

Amount

VESSEL : INS JAMUNA WO.NO:22040 DL NOS : 20008,20008.01,20008.02,20008.03,20008.04,20008.06,20008.07,20008.08. SUB:OVERHAULING OF MAIN ENGINE REDUCTION GEAR BOX UNDER OEM (M/S REINTJES) SUPERVISION ON INS JAMUNA.” NOTE:OEM spares will be supplied by HSL.Necessary consumables like O-rings,bolts &nuts,descaling degreasing chemicals,DP test kits etc are under vendor scope.

CARRY OUT 40000 HOURLY/ 10 ANNUAL ROUTINES OF GEAR BOX. (MAINTOP- 26014).SCOPE OF WORK INCLUDES REMOVAL OF GEAR BOX FROM POSITION AND SHIFT TO SHOPFLOOR .OVERHAULING TO BE DONE UNDER OEM SUPERVISION.GEARBOX INPUT AND OUT VULCAN COUPLING /CLUTCH UNITS TO BE REMOVED AND REFITTED POST OVERHAULING OF GEAR BOX.ALIGNMENT TO BE RESTORE.

10A1- COMPLETELY DISMENTLLE THE GEAR BOX. CHECK AND GUAGE THE FOLLOWING AND REPLACE AND IF NECESSARY (A) SHAFTS FOR RUN- OUT. (B) BEARING SHEETS FOR DAMAGE (C) CARRIERS (D) GEAR AND PINION TEETH (E) ANNULAR PISTON (F) CARRIER PINS (G) OIL DISTRIBUTORS (H) CALIBRATE PRESSURE/ TEMPERATURES GUAGES.

10A2- REPLACE THE FOLLOWING PARTS (A) RECTANGULAR RINGS (B) CLUTCH DISCS, SCREWS AND RETURNS SPRINGS FOR ANULAR PISTONS (C) O RINGS AND SNAP RINGS (D) ALL CLUTCH HOUSING SCREWS (E) ANTI FRICTION BEARING (F) SHAFT SEALS AND BUSHES (G) THRUST BEARING SCREWS AND SPRINGS (H) OIL PUMP, FILTER ELEMENTS AND SEALS. (J) INSPECTION COVER GASKETS, O RINGS FOR CONTROL VALVES, PRESSURE LIMITING VALVES. (K) CLEAN COMPLETE GEAR BOX NOTE : VENDOR HAS TO ARRANGE REQUIRED CONSUMABLES,TOOLS,LIFTING BELTS,CHAIN PULLEYS,MEASURING CALIBRATED INSTRUMENTS, BEARING HEATER,COTTON RAGS,RUST REMOVARS,DIESEL FOR CLEANING.

10A3- CHECK ALIGHNMENT BETWEEN ENGINE / RG AND RG/OUT PUT SHAFT ON COMPLETION OF MAJOR OVERHAUL. SCOPE OF WORK INVOLVES ALL ARRANGEMENTS FOR ALIGNMENT TO BE ARRANGED BY VENDOR INCLUDING CONSUMABLES LIKE SHIMS,METAL CHOCKS ETC.

A1- CHECK SECURITY OF THREADED CONNECTIONS AND FOUNDATIONS.

A2- CHECK ENGINE TO RG AND RG TO OUTPUT SHAFT COUPLING BOLTS FOR LOOSENESS. TIGHTEN ALL SHAFT COUPLING BOLTS.

A3- CHECK HEAT EXCHANGER FOR LEAKAGE AND REPLACE SEALS.O-RINGS OF SUITABLE SIZES TO BE PROCURED AND SUPPLIED BY VENDOR

OVERHAULING OF HEAT EXCHANGER (SHELL & TUBE TYPE/PHE ).SCOPE OF WORK : REMOVAL ,CHEMICAL CLEANING,PRESSURE TESTING AND REFITMENT WITH NEW JOINTS,O-RINGS .ALL CHEMICALS AND CONSUMABLES UNDER VENDOR SCOPE.ZIN ANODES TO BE PROCURED AND REPLACED BY VENDOR

LUB OIL PRESSURE OF PORT GEAR BOX DROPPED FROM 2.0 BAR TO 1.2 BAR, SUSPECT PRV MALFUNCTIONING.SCOPE OF WORK INVOLVE POST CALIBRATION, INSITU CHECKS AND SETTING TO BE UNDERTAKEN. DEFECTIVE PARTS TO BE RENEWED

RAO ELECTRICAL ENGINEERIONG WORKS (BID ID -415894)

NASS Engineering Services Pvt Ltd (BID ID -415880)