The superheater header is probably the most significant and complex piece of equipment that has now recently been reinstalled. Here’s a list of the work on this item that has now been completed:
- Old studs removed.
- Removed steam take off extension pieces for renewal and re-tapping of holes.
- Work carried out to fit/bed and lap in regulator valves.
- Rod gland removed for renewal.
- New nuts machined for regulator valve covers.
- New main steam pipe studs manufactured.
- Machined/manufactured new steam take off extension pieces.
- Re-tapped holes in end of regulator housing.
- Manufactured new end cap /bush for regulator rod.
- Machined studs for main steam pipes and regulator valve covers.
- Machined dome nuts for regulator valve covers.
- Cleaned seatings.
Images, left to right: Superheater header awaiting installation, Superheater header installed and the elements awaiting installation (later installed).
Work on the inside connecting rod fittings either end has now been completed and it is here awaiting installation:
The safety critical electrical equipment is almost complete. Here’s a busy looking cab during electrical installation work:
