Blog Archive

Friday, November 17, 2017

Garratt Happenings: The NG/G16 129 August Update

Work moves on apace with NG/G16 129, including the following tasks:

  • Removal of boiler from the cradle to enable final installation of all the steam, exhaust and water pipework, as well as insulating and cladding the boiler.

  • Superheaters and main steam pipes have been fitted in the smokebox (above and below).

  • Work on the sanding gear; sandboxes, air sand traps and pipework.

  • Overhaul of cylinder and linkage for the rocking grate, including manufacture of new components as required.

  • Refurbishment and manufacture of components for the lubrication system, including overhaul of the Wakefield Lubricator (above) and assessment of dividers, atomisers etc. for the lubrication lines (below).
  • Manufacture and fitting of blowdown valve linkage.
  • Riveting of the running boards to the boiler cradle, and grinding back of rivet heads.
  • The manufacture of pins and bushes for the valvegear continues, with many parts trial fitted to the engine units.
  • Installation of tank support timbers, engine unit footplates and lubricator mounting plates.
  • Final assembly of steam and exhaust pipework on the engine units, including steam expansion joints.
  • A custom-designed lifting bracket for the rear of the boiler has been fabricated and load tested, reducing the time and effort required to sling and balance the boiler when lifting.