Dismantling of turbopump and low pressure turbine rotors (1979)

Dismantling of turbo unit rotors is performed by a team whose workers have permission to work with the movement of loads by cranes.

The rotor cover is removed.

The tension on the liner in the thrust bearing is checked.

The disc wear is checked.

For this, the turbine disc is divided into sectors.

The indicator stand is placed on the horizontal connector, and the indicator leg rests against the turbine disc.

The rotor is rotated, the obtained readings are entered into a table.

The thrust bearing and support bearings of the TND are disassembled.

The rotor is lifted with a special device to measure the lower clearances along the turbine and labyrinth seals.

Lead squeezes are placed.

The lead is compressed by the rotor blades.

The resulting prints on the lead are measured.

The TND rotor is dismantled and installed on trestles for repair.

Device for lifting the TND rotor.

When lifting the rotor, care must be taken not to damage the blade apparatus of the compressor and turbine.

The crane transfers the rotor to special stands for flaw detection and repair.

The rotor dismantling is complete, the device is covered with a special cloth.