Inspection of the front block of the turbopump and low pressure fuel pump (1979)

Panorama of the room with turbo units.

Front block of the turbo unit.

Turbo unit repair.

Disassembling the front block.

The barring device is dismantled.

Transferred to a workbench for disassembly.

The gear transmission is checked.

Any detected defects are eliminated.

The barring device engagement system is checked.

Disassembly and inspection are carried out.

Disassembling the turboexpander.

The pipelines are disconnected.

The casing is disassembled.

The bearing and carbon seal are removed.

The axial runout of the rotor is checked.

The lateral clearances are measured.

All measurements are entered in the form.

Checking the interference fit on the liner.

The cover is lowered onto the lead squeeze-outs.

The fasteners are tightened.

After removing the cover, the prints on the lead are measured with a micrometer.

The measurements are recorded.

Any detected defects are eliminated.

The liner is adjusted to the rotor neck.

The graphite rings are replaced.

The main oil pump is disassembled.

Defects on the pump impeller are eliminated.

The clearance of the floating ring is measured.

The pump is assembled.

During assembly, control measurements are taken.

Workers check against the revision records.

The revision of the front block ends with the assembly of the turboexpander and the shaft-turning device.