Routines On Both Main Engine Gear Boxes On Ins Sujata, Visakhapatnam-Andhra Pradesh

Routines On Both Main Engine Gear Boxes On Ins Sujata , Sow For Servicing Of M/E Gearbox ( 2000 Hrly Routines ) : 2000 Hrly , Nr And 4 Monthly Routineson Both Gear Box ( Port And Stbd Gearbox ) ( Renk Precision Marine Reduction Gear ) Make : Renk Tacke Model : Asl69 Port Gb Sl . No . 641183& Stbd Gb Sl No . 641184 , Model: Asl 69Ccw/Cw; Complete Overhauling/Repair Works Are To Be Carried Out Under Supervision Of Oem Service Engineer On Both Reduction Gear Boxes Along With Their Auxiliary Systems And Equipments , System To Be Proved To The Satisfaction Of Ship Staff / Naval Trial Agency . Clean The Complete Gear Box . Trials To Be Offered To Naval Trials Agencies Post Completion Of Routines . Defects / Observations Brought Out During Full Power Trials And During Inspection Of Gearing And Clutch Plates By Naval Trial Agency / Authorize Agency To Be Liquidated And Trials/Inspection To Be Reoffered . Check Alignment Between Engine/Rg And Rg/Output Shaft On Completion Of Major Overhaul . Qty - 02 Nos , A ) Both Gear Box To Be Strip Opened . Inspect All Gears For Damage And Replace/ Repair If Necessary . Replace Clutch Plates . Replace All Bearings In Gear Box . Replace All Seals/ Gaskets/ O Rings In Gear Box . Inspect Gear Box Casing For Corrosion/ Damage And Repair/ Replace If Necessary . Inspect Spline Shafts For Damage And Repair/ Replace If Necessary . B ) Inspect And Replace Pump Drives Of Sea Water Pump , Cpp Lub Oil Pump And Both Gear Box Lub Oil Pump - 08 Nos . C ) Renew Foundation Bolts - 16 Nos . D ) Inspect Gear Teeth . Check Pattern On The Tooth Flanks Produced By Continual Transmission Of Power And Compare With Previous Condition . In Case Of One Sided Wear , Pitting , Abrasion Caused By Sliding Friction , Etc . Carry Out Re-Alignment As Per Eqpt Manual . , Gear Box Valve: Clean And Refit Sensors Elements And Sliding Valve Of Temperature Regulating Valves . Replace Them If Found Defective . Replace Temperature Regulating Valve , Pt . No . Er6200b-6803343-6275 . Renew Relief Valve In Lub Oil System . Remote Control Operation . Renew Clutch/Declutch Solenoid Valve . Automatic Control Of Oil Pump Aggregates To Be Calibrated . , Gear Box Lo System: Gear Box Gear Driven Lub Oil Pump Performance Suboptimal Pump To Be Overhauled . Following Job To Be Carried Out:- Dismantlimg Of Pump . Replace The Mechanical Seal . Renew All Seals And Joints . Renew All Worn Out Rubber Bushes . Inspect The Shaft Clearance & Building Up Material If Required . Assemble The Pump And Refit It . Performance Trial To The Pump To Be Proven . Calibration/Pressure Setting Of Lo System Safety/Relief Valve Of Both Gear Box - 6 Nos . , Gear Box Lo Cooler To Be Chemically Clean And Pressure Test To Be Carried Out . Qty- 02 , Test Pressure- 5 . 5 Bar , Gear Box Lo System: Gear Box Motor Driven Lo Pump ( S/B Pump ) Prformance Found Suboptimal . Pump To Be Overhauled And Re-Fitted . Performance Trial Of The Pump To Be Proven . Calibration/Pressure Setting Of Gb Lo S/B Pump Safety/Relief Valve Of Both Gear Box . Auto Starting Of Both Motor Driven Gear Box S/B Pump To Be Proven Post Overhauling Of The Pump . , Following Pressure Gauge To Be Replaced Of Both Gear Box . Gauge Lines And Adaptor Are To Be Manufactured As Per Requirement . ( I ) Suction Pressure- 02 ( Range- 0-10 . 6 ) , Gear Box Turning Gear: Renew Grease In Turning Gear . Check Turningb Gear For Correct Operation . Overhaul If Required . , Both Gear Box Lo Cooler To Be Chemically Cleaned And Pressure Tested . , Both Gear Box Lo Cooler End Cover Studs , Zinc Plugs And Gaskets To Be Renewed . , Overhaul System Valves . ( Screwdown Valve Dia . 50Mm , Qty-04 Nos , Dia . 65Mm , Qty- 04Nos , Material-Bronze ) . Replace Any Valve If Found Defective . , Renew Temperature ( Range 0-150C , Qty . -06Nos . ) And Pressure Gauges ( Range 0-20Kg , Qty . -04Nos . , Range 0-40Kg , Qty . -02Nos . ) .

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