Indian Navy-IN has published Routines And Repairs Of Turbo Driven Auxiliaries Tdfl Pump Td Circulating Pump Turbo Alternator Turbo Generator Seawater Pump Td Ac Turbo Drive Mtxm2000 Turbo Blower Unit Tbu Air Intake And Exhaust System And Feed Condens. Submission Date for this Tender is 14-01-2022. Electric Generator Tenders in Naval Ship Repair Yard ,Naval Base ,Karwar Karnataka. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Feed Condensate & booster Transfer Pump (FCBT):- |
| 2 | 4000 Hrly Routines |
| 3 | 4000H1- Check serviceability of electro hydraulic manipulators. |
| 4 | 4000H2- Check axial float of the turbine |
| 5 | 4000H3- Check seals of servomotor for leaks |
| 6 | 4000H4- Check setting of protection system as per technical document. |
| 7 | 4000H5- Renew packing of seals of feed and condensate booster pump. |
| 8 | 4000H6- Check circuits of protection and alarm system pressure drop as per para 6.2.6 and 6.2.7 of operating manual |
| 9 | 24000 Hrly Routines |
| 10 | 24000H1- Carry out 4000 hourly routines. |
| 11 | 24000H2- Check condition of unloading device by taking the axial clearance of feed pump rotor. |
| 12 | 24000H3- Check and replace if required, the rubber rings, seals, and springs of servomotors, bellows of drop regulator, signalling devices, drop meter and manipulators. |
| 13 | 24000H4- Replace the bottom bearings on water lubrication of feed and booster condensate pumps. |
| 14 | 24000H5- Replace the bushes of shafts under the seals of feed and condensate booster pump. |
| 15 | Routines TDFL Pump :- |
| 16 | Annual Routine |
| 17 | A4- Check servicability and undertake adjustment of regulation and Protection assemblies. |
| 18 | Five Annual Routine |
| 19 | 5A1- Remove all pipes and valves |
| 20 | 5A2- Disassemble the Turbodrive into assemblies and parts. reassemble of regulation and protection assemblies. undertake cleaning, oil washing, visual inspection and measurement of parts and grinding of split surfaces. disassemble the screw pump, remove pump screws and visually inspect internal surfaces of case. check turbine rotors, reduction gear and pump for runout. |
| 21 | 5A3- Undertake routine repair of valves and filters. |
| 22 | 5A4- Carry out hydraulic tests of the pump. |
| 23 | 5A5- Carry out alignment of turbine with pump. |
| 24 | Ten Annual Routine |
| 25 | 10A1- Undertake medium repair of the pump. |
| 26 | 4000H3 - Check the protection system adjustment according to operating document |
| 27 | 4000H5 - Carry out maintenance of fuel pump in accordance with om h41. |
| 28 | 24000H1 - Carry out revision of CAFS units replacing the springs refer section 11.5 of operating document |
| 29 | MR1 - Overhaul Turbo Driven fuel pump in accordance with section 11 of 01 |
| 30 | TD Circulating Pump :- |
| 31 | Annual routines |
| 32 | A4 - Check the regulation and protection assemblies for serviceability and adjust them |
| 33 | A5 - Perform the check of operation of the strike-type over speed control. |
| 34 | Five Annual routines |
| 35 | 5A1- Disassemble pipelines to assemblies and parts; overhaul the regulation and protection assemblies. clean, wash, inspect, and measure parts. extract the pump rotor and inspect the internal surfaces of the case. replace sealing parts. examine condition of the rotor wheel. measure clearances of the pump bearing. check the rotors of turbine, reduction gear and pump for wear and tear. |
| 36 | 5A2 - Carry out repair of valves and filters. |
| 37 | 5A3 - Test the pump hydraulically. |
| 38 | 5A4 - Align the turbo-drive to the pump. |
| 39 | 5A5 - Check the operation of the pump. |
| 40 | Turbo Alternator:- |
| 41 | 2000 Hourly Routines |
| 42 | 2000H7 - Check the condition of the units on which operation comments were made during the preceding operation period. |
| 43 | 2000H8 - Check the pressure differential governor of the starting oil pump, in case of sludge in the governor. |
| 44 | 2000H9 - Check the rotor run out in the thrust bearing |
| 45 | 2000H10 - On completing of the service life (10000-12000 hrs.), replace the major parts of Turbo alternator. |
| 46 | 2000H12 - Carry out the inspection/ renewal of metal balls of lub oil system shuttle valves/ NR valves |
| 47 | Short Refit Routines |
| 48 | SR1 - Inspect 25% of system valves |
| 49 | SR3 - Open all units of governing and protection units and remove the sludge |
| 50 | 5 Annual Routines |
| 51 | 5A2 - Open and check all bearings of T/A |
| 52 | 5A3 - Check the journals, thrust collars, white metal lining and thrust block |
| 53 | 5A4 - Check the rotor working position and rotor run out |
| 54 | 5A5 - Check and clean the sump from deposited sludge by rolling out the lower half-liners. |
| 55 | 5A6 - Open and check the governor and protection units |
| 56 | 5A7 - Check thoroughly the bushing, slides, springs and other parts |
| 57 | 5A8 - Check the bellows and governor and protection units, if any part deteriorated replace it. |
| 58 | 5A9 - Open the steam distributor and check the valves, seats, bellows and rods thoroughly. |
| 59 | 5A10 - Open the steam stop valve and check the bellow and steam admission screen. |
| 60 | 5A11 - Check the parts of turning gear |
| 61 | 5A12 - Open and check the starting oil pump |
| 62 | 5A13 - Check the injectors nozzles for cleanness |
| 63 | 5A14 - Check the fixing dimensions of the injector nozzles |
| 64 | 5A15 - Open the oil cooler covers and check the inner surfaces of the oil cooler tubes as well as tube sheets and protectors. Clean the tube inner surfaces. |
| 65 | 5A16 - Pressure test lub oil cooler |
| 66 | 5A17 - Open the ejector and check the nozzles and diffusers for wear and cleanness. |
| 67 | 5A18 - Inspect labyrinth glands |
| 68 | 5A19 - Open the covers of ejector cooler water chambers and check the tube sheets, covers and protectors. Clean the tube inner surfaces |
| 69 | 5A20 - Pressure test air ejector coolers |
| 70 | 5A21 - Open the condenser water chambers and check the tube sheets surface, tubes and protector. |
| 71 | 5A22 - Check the condition of condenser steam surface through turbine exhaust inlet. |
| 72 | 5A23 - Overhaul completely the oil-water-steam pipeline fittings. Eliminate the defects revealed. |
| 73 | 5A24 - Carry out the sampling of the fastening material fitted new |
| 74 | 5A25 - Check the condition of the pipelines by sampling |
| 75 | Turbo Generator Seawater Pump:- |
| 76 | Occasional Routines |
| 77 | 01 - All rubber items are to be replaced whenever the pump is dismantled for repair/overhaul. |
| 78 | 25000 Hourly Routines |
| 79 | 25000H1 - Replace the impeller. |
| 80 | 50000 Hourly Routines |
| 81 | 50000H1 - Replace the end face seal assembly |
| 82 | 50000H2 - Replace the sealing rings. |
| 83 | Normal Refit Routines |
| 84 | NR1 - Renew all SV mounts |
| 85 | TD A/C Turbo Drive (MTXM2000):- |
| 86 | 5000 Hourly Routines |
| 87 | 5000H1 - Open and clean the oil filters. |
| 88 | 5000H2 - Check the conditions of the protectors of the condenser, oil cooler and ejector. Replace protectors in case the wear of their working section is more than 50%. |
| 89 | 5000H7 - Dismantle and inspect the differential pressure governor of the starting oil pump. In case of great amount of sludge in the governor, open the cut-off pilot. If necessary, open and clean sludge from all components of the governor unit and those of the protector unit |
| 90 | 5000H8 - Check the rotor wear down in the thrust bearing |
| 91 | 5000H9 - When the service life (10000 to 12000 hours) is over, replace the following components - Pressure relay, Type ?21K1 - Electric motors, Type A?H-100 and ?M160MB4 - Electric magnet, Type ?M33-71311 - Voltmeter, Type M1618T - Micro switch, Type ?311 |
| 92 | 5000H10 - Carry out calibration of Feed regulator and complete flushing through of the system. |
| 93 | Normal Refit Routines |
| 94 | NR1 - Inspect 50 % of system lines |
| 95 | NR2 - Dismantle completely and clean all pipes of the oil system and oil tank. |
| 96 | NR4 - Disassemble the governor unit and protection unit; inspect thoroughly the bushings, pilot valves, springs and other parts. Rectify observed defects. Check the bellows, governor unit and protection unit for medium tightness using Kerosene. Replace them, if necessary. |
| 97 | NR5 - Disassemble the steam distributor, inspect thoroughly the valves and seats, Check the bellows and rods for proper state. Check the mounting dimensions and clearances for their compliance with those specified in the Log. |
| 98 | NR6 - Dismantle the stop valve. In case of sluggish operation; inspect thoroughly the bellows and steam screen |
| 99 | NR7 - Open the turbine steam section. Inspect the rotor flow path, packings, nozzle segments and guide apparatus. Measure accessible clearances of the flow path. |
| 100 | NR8 - Dismantle and inspect the barring/turning gear |
| 101 | NR9 - Overhaul Oil pumps, in case of abnormality during last operation |
| 102 | NR10 - Check the injector nozzle for its cleanness. Check the mounting dimensions |
| 103 | NR11 - Remove the oil cooler covers. Inspect the inner surfaces of the oil cooler tubes as well as tube sheets and protectors. If necessary, clean the tube inner surfaces. Test the oil cooler water space under the hydraulic pressure |
| 104 | NR12 - Open the Ejector and check the nozzle and diffuser for wear, cleanness and right installation. Replace the nozzle in case of its erosion. Dismantle the steam filter and check for it cleanness. Open the covers of the ejector cooler water chambers, inspect the tube sheets, covers, protectors, clean the tube inner surfaces. Test the ejector cooler water space under the hydraulic pressure |
| 105 | NR13 - Open the condenser water boxes, wash and clean the tube sheet surfaces, inspect tubes and protectors. Inspect the condition of the condenser steam surface via the turbine exhaust pipe union. Dismantle, inspect, replace, if necessary, and reassemble the oilwater-steam pipeline fittings. |
| 106 | NR15 - Inspect the bolted connections. Carry out the laboratory sampling analysis of the refitted fasteners material |
| 107 | NR16 - Check condition of mounts of turbine. Replace if necessary |
| 108 | Turbo Blower Unit:- |
| 109 | Annual Routines |
| 110 | A5 - Remove air by-pass valve from the line. Clear the inner part of housing and valve cavities, as well as adjacent parts of the line from sediments |
| 111 | A6 - Open shaft bearings and intermediate shaft bearings, valves, wash them down and fill with lubrication grease Lithol-24 GOST 21150-87. Assemble and install the valve. Check the proper operation of the valve. |
| 112 | A8 - Check the settings of key components of system (regulation, control, protection) joints: command block, over speed regulator, locking device and lubrication lock-up valve. |
| 113 | 5 Annual Routines |
| 114 | 5A1 - The regular maintenance of TBU shall be made in 5 years of operation. The maintenance shall be made with removal of upper halves of steam turbine, gas turbine, compressor and inspection of flow part. The content and the sequence of inspection are set out in ³Operational Manual. Part 3. Regular maintenance. 51501-00-00 |
| 115 | TBU Air Intake & Exhaust System:- |
| 116 | Occasional Routines |
| 117 | O1 - De-activate the TBU and carry out the following during long inactivity: |
| 118 | Annual Routines |
| 119 | A1 - Carry out visual inspection of the damping branch pipes and their cleaning. Replace the branch pipes, in case of deterioration of the rubber surfaces. Dockyard assistance to be sought. |
| 120 | Normal Refit Routines |
| 121 | NR1 - Carry out checks on consistency of bellow expansion joint and absence of corrosion by removing insulation. If necessary replace them and while replacing, check alignment of installed bellow expansion joint. |
| 122 | NR2 - Carry out checks on thickness of walls of gas exhaust pipes by drilling of wall. Carry out test drilling on delivery gas exhaust pipe and TBU gas exhaust pipe (refer document 11430.000074.029 Figure 4). After carrying out of necessary measuring, weld holes. |
| 123 | NR3 - Replacement of separate areas of delivery air duct and gas exhaust pipes or their complete replacement shall be carried out if residual thickness of wall in the thinnest place is 1.5 mm. |
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