The left hand side piston rod has been lengthened by metal spraying. The piston is seen here during re-fitting. Note piston rings not fitted yet.

The piston fitted just into the cylinder.

Another view of the piston in the cylinder. Note the ports in main and valve cylinders.

The arrangement of parts which seal the piston rod where it passes through the rear cylinder cover.

The arrangement of parts which seal the piston rod where it passes through the rear cylinder cover.

The plating which has been designed and made to blank off the superheater header ports ready for a hydraulic test.

New parts fitted to the vacuum retaining valve.

The pony truck bearing with cover removed.

The pony truck bearing with cover fitted.