Pelton Turbine Erection Procedure

ERECTION of Pelton Turbine

Vinod Kr. Sanatoo 08/08/2007

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Agenda 1. Lower Housing 2. Spiral Distributor 3. Roof Cover 4. Pit Liner 5. Lower Cone 6. Nozzles 7. Runner wheel 8. Guide Bearing 9. MIV

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General view

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Runner removal platform

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Turbine Housing

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Distributor Part 1

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Distributor Part 2

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Distributor Parts 1 & 2

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Lowering Distributor Part 3

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Distributor Parts 1 , 2 & 3

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Lowering Distributor Part 4

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Distributor Parts 1 , 2 ,3 & 4

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Welding holder

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Defects in parent metal

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Parent Metal defects

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Heating Arrangements

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DPT

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Welding

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Erection of distributor Flange Cones

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Housing Roof on service Bay

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Lowering of Housing Roof

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Lowering of Housing Roof

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Housing roof

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Housing Roof Installed

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Distributor & Housing Roof

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Blank flange for Pressure Test

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Blank flange for Pressure Test

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Distributor Pressure Test

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Distributor Pressure Test

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Embedded Pips

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Cone Support

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Central Cone

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Central Cone

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Lowering of central cone and Cone support

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Central cone and Cone support

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Central cone and Cone support stored in Pit

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Concreting

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Concreting

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PH general View

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PH general View

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Turbine Housing

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Horizontality of Bearing Support

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Adjusting Horizontality of Bearing Support

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Turbine Guide Bearing (Shell Type) in 2 Parts

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Bearing Assembly with Bearing support

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Guide Bearing and Bearing Support

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Turbine Shaft

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Tilting of Turbine Shaft

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Lowering Guide bearing for trial assembly

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Leakage Test of Rotating Sump ( Oil Tank)

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Turbine Guide Bearing

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Bearing and Shaft assembly

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Lowering Turbine shaft and bearing assembly

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Turbine shaft being lowered in to Pit.

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Turbine Shaft In the Pit On special supports.

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Turbine Shaft In the Pit On special supports.

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Horizontality of Turbine Shaft By CAYERE Method

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Preparation for Nozzle adjustment.

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Dummy Nozzle

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Adjustment of Nozzles.

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Nozzle adjustment

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Machining of False Flange

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Nozzle Erection

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Nozzle Erection

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Checking Real Nozzle

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Pinning of False Flange

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Support for Magnetic base Drilling Machine

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Pelton Runner

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Lowering of Runner

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Servomotor for Runner Erection

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Runner Erection servomotor

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RUNNER ERECTION

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Runner Erection

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Hydraulic diagram for Runner erection servomotor

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Runner installed

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Removal of Runner lifting Disc

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Nozzle and Runner

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Nozzle and Runner

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view of Nozzle from U/S in the direction of flow

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Turbine shaft and bearing

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Break jet alignment

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Rotor In Pit

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Tur and Gen Shaft Coupling

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Checking residual elongation of Studs

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Shaft Line Run out

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Turbine Pit

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Tur pit and piping

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