Bids Are Invited For Load Beat Of The Bearings Of The Bb And Be Axle Lines; Inspection Of Support Bearings: Inspection And Measurement Of Internal Bearing Clearances; Inspection Of Bearing Shells For Wear (Maintenance Routines 020 306 - Ai).

Maintenance And Repair - Vessel (Machinery And Equipment) Maintenance And Repair - Bearing Load Beating Of The Bb And Be Shaft Lines: 1) Dismantling The Bearing Cover; Comparator On The Top Of The Shaft In The Same Direction As The Jack, Which Should Have Pressure And Marking At Zero;5) Lifting The Shaft With The Jack Until The Bottom Tile ( Bushing) Comes Out;6) Pressure Relief From The Jack Until The Clock Reaches Zero Point;7) Reading The Manometer Clock;8) Pressure Relief On The Jack Up To One Clock Turn;9) Lifting With The Jack Until The Clock Reaches Zero Point;10) Reading Again Of The Manometer Clock;11) Calculating The Average Of The Two Readings;12) Multiplying The Result By The Useful Area Of The Jack;13) The Result Is The Bearing Load;14) Assembling The Tiles;15) Assembling The Bearing Cover; E16) Issuance Of Final Report. Port Shaft (04 Units): Ø 340 Mm – 01 Unit Ø 280 Mm – 03 Units Starboard Shaft (02 Units): Ø 340 Mm – 01 Unit Ø 280 Mm – 01 Units, Maintenance And Repair - Vessel (Machinery And Equipment) Inspection On Support Bearings: Inspection And Measuring Internal Bearing Clearances; Inspection Of Bearing Bushings For Wear (Maintenance Routines 020 306 - Ai): Provision Of Engineering Service For Inspection Of Ships Support Bearings, With Mandatory Use Of Dial Clock Or Linear Displacement Sensor, Internal Manometer For Measuring Internal Clearances, Data Recording System (Manual Or Digital), Hoists And Cables For Maneuvering Of Suitable Weight And Epis. Carry Out A Metrological Check Of The Internal Clearances Of The Propeller Shaft Support Bearing, Maintaining The Isolation Of The System From External Interference, And Inspection Of The Bushings For Excessive Wear. Minimum Requirements: 1) Execution On Board, With The Need For A Mandatory Prior Technical Visit, To Be Scheduled. 2) The Service Must Be Carried Out By A Technician With Experience In Inspecting Support Bearing Clearances. 3) The Contractor Must Provide Final Technical Report. 1) Execution On Board, With The Need For A Mandatory Prior Technical Visit To Be Scheduled. 2) The Service Must Be Performed By A Technician With Experience In Supporting Bearing Clearance Inspection. 3) The Contractor Must Provide A Final Technical Report