MAIN TURBINE JOBS ONBOARD THE VESSEL RM.0807

Amount

1. 2. 1 Examine turbine adjusting block (thrust collar) along with bearing inspection. (02 Per shaft HPT and LPT)

1. 2. 2 Carry out inspection of the bearings. Undertake cleaning, measurement of dimension and clearance, renew/ repair of bearings as required.

1. 2. 3 Open the turbine casing only if necessary. (02 Per shaft HPT and LPT)

1. 2. 4 Replace grease in taper roller bearings of hub of sound-insulating coupling. For replacement of grease, the old grease should be completely removed and bearings should be thoroughly washed.

1. 2. 5 Oil system is to be disassembled and cleaned.

1. 2. 6 Assemblies of steam distribution, control and safety system, turbines, reduction gear, mtb should be opened and visually inspected.

1. 2. 7 Visually inspect special standard devices fitted on covers of bearings for measurement of turbine axial float. Qty - 04. (Undertake repair/ renewal as required)

1. 2. 8 Visual inspection of LPT rotor blades. Qty - 04.

1. 2. 9 Bearing inspection of MTGA to be carried out. If corrosion is observed on rotor journal open all other bearings of MTGA for visual inspection. 01 bearing per MTGA. Total 04.

1. 2. 10 Check the over speed protection for MTGA. Disconnect MTGA from shaft by SIC and slowly increase rpm of MTGA, protection should sctuate at 321 to 323 rpm of stage II wheel shaft of reduction gear.

1. 2. 11 Check the impellers fitted on high pressure turbine and low pressure turbine for reliable operation.

1. 2. 12 Open inspection covers of turning gear and check wean down of gearing.

1. 2. 13 Inspection of complete Reduction Gear of MTGA 2 view abnormal noise. Inspection of flexible coupling, Torsion shaft and First stage pinion essential.

1. 2. 14 Open and inspect shaft lock for wear down/ damage. Overhaul and renew gear assembly/ bearings as required.

1. 2. 18 Inspection of mounts and foundation of gearbox and pump casing.

1. 2. 19 Overhauling of lub oil flow orifices, fliter body and filter element.

1. 2. 20 Thickness gauging of high pressure steam pipe from HPT to LPT including convolutes, Renew if necessary.

1. 2. 21 Overhauling of QCV of MTGA Assembly view sluggish operation

YEOMAN MARINE SERVICES PVT. LTD. (BID ID -775257)

TOCOL MACHINE TOOLS PRIVATE LIMITED (BID ID -772274)