The flue tubes in the boiler at Llangollen are trimmed to length.
Photograph: Paul Aston

The trailing left crank pin end is fitted with the crank for the speedo drive. The gap between the crank and the face of the wheel will fix the length of the bearing bush fitted to this crankpin.
Photograph: Darrin Crone

The sidebearer on the left. The loco frames are resting on the top of the bogie when moved off the wheeldrop. When levelled the gap appeared and was measured.
Photograph: Darrin Crone

The outside draincock cross shaft has been fitted.
Photograph: Darrin Crone

The governor that controls the air pump in its new location with new pipe flanges ans pipework being installed.
Photograph: Darrin Crone

The leading and trailing connecting rod bushes are now machined all over. The larger bushes yet to do.
Photograph: Darrin Crone

The sponsored horizontal hornstay bolts machined to dimensions ready to fit.
Photograph: Darrin Crone

One of the tender brake hangers with the bushes and pins being examined.
Photograph: Darrin Crone

At the rear of the tender old platework is cut out.
Photograph: Darrin Crone

The front lamp irons are heavily worn and were put on the loco to get the angles correct for the repair.
Photograph: Peter Brackstone

Pins from the buckeye coupling and coupled axleboxes are inspected for defects.
Photograph: Darrin Crone

The top of the corridor connection at the back of the tender is supported by square section rods that pass through these brackets with adjustable wedges.
Photograph: Darrin Crone

The cast iron steam pipes that fasten on to the cylinder tops are measured to ensure the new ones will be to the same dimensions.
Photograph: Richard Swales

Some of the loco brake pull rods undergoing examination for defects.
Photograph: Darrin Crone

Ian looks admiringly at his refurbished air cylinder brackets.
Photograph: Darrin Crone

One of the loco brake pull rods is marked W1 at both ends. Could this be from the hush-hush?.
Photograph: Darrin Crone

The water gauge or level indicator from the front of the tender.
Photograph: Peter Brackstone

The vacuum reservoir tank is pressure tested to inspect for leaks.
Photograph: Darrin Crone

The vacuum reservoir tank tested ok so was soon painted.
Photograph: Peter Brackstone

The lower slidebars are now being fitted.
Photograph: Darrin Crone

New plate has been welded in to the wasted section inside the corridor atthe rear of the tank.
Photograph: Darrin Crone

The welding is now complete on the tender frames and has been prime painted.
Photograph: Peter Brackstone

Painting of the tender frames is progressing. The frames are now white gloss inside and the trailing dragbox is now painted in primer.
Photograph: Peter Brackstone

New safety valves springs have now been delivered to York. A new valve next to one of our old valves.
Photograph: Darrin Crone

A new rivet has been put in one of the tender spring hanger brackets. Luckily it didn't loosen its neighbours so these can be left as they are.
Photograph:

The trailing dragbox is painted to undercoat. We will soon be able to reassemble the trailing drawgear.
Photograph: Peter Brackstone

The crankpin lengths are measured so that the length of the siderod bushes can be specified.
Photograph: Richard Swales

The leading crankpin bolts have been refurbished and are ready for fitting. They rest on one of the caps that require further work to return them to specification.
Photograph: Darrin Crone

The vestibule lower supports are now having the weld added to rebuild them machined back prior to fitting.
Photograph: Darrin Crone

The tender rubbing block was refitted this week.
Photograph: Darrin Crone

The safety valves are being assembled with new components.
Photograph: Darrin Crone

One of the tender brake hangers is fitted with new bushes and one of the reconditioned pins fitted.
Photograph: Darrin Crone

With the wheelset in the wheeldrop pit the journals are cleaned and oiled to receive the axleboxes.
Photograph: Trevor Camp/SNGLY

Looking through the trailing horns of the loco frames an axlebox is lowered on to the journal.
Photograph: Trevor Camp/SNGLY

The wheelset raised and entering the frames.
Photograph: Trevor Camp/SNGLY

The wheels in place and the wheeldrop platform locked in the raised position.
Photograph: Trevor Camp/SNGLT

The bogie is lowered to remove the loco sidebearers.
Photograph: Richard Swales

The tender outside brake cylinder brackets ready for painting and fitting.
Photograph: Darrin Crone

The trailing tender coupling is now partially assembled with all the rubber springs in place.
Photograph: Darrin Crone

The new air pump governor installation has received a coat of paint.
Photograph: Peter Brackstone

The new copper firebox tubeplate with all the tubes fitted and beaded over.
Photograph: Peter Brackstone

The flue tubes in the smokebox are now being expande.
Photograph: Richard Swales

The new superheater elements at Llangollen.
Photograph: Richard Swales

The rubbing block for the tender draw hook sits on the new shim all level.
Photograph: Darrin Crone

The new horizontal hornstay bolts are being fitted and are being drilled through for pinning.
Photograph: Darrin Crone

The hook is now in place on the tender and it's height being measured.
Photograph: Darrin Crone

The driving axle axleboxes are currently being fitted.
Photograph: Richard Swales

The tender drawhook height is being set. A new packing piece to set the height is being machined after being fitted accurately in the pocket in the dragbox.
Photograph: Peter Brackstone

The full hook assembly is now fitted to the tender and its correct height is being set.
Photograph: Darrin Crone

At the back of the tender the beading is re-secured and the vestibule top arch flanges are fitted in place.
Photograph: Darrin Crone

The corridor connection lower support rods have been weld repaired and machined but will require further work.
Photograph: Darrin Crone

Both the leading and trailing coupled wheel hornstays are now fully secured with the publicly sponsored horizontal hornstay bolts.
Photograph: Darrin Crone

The middle valve and its associated components have been brought together and are being carefully examined and set up before refitting.
Photograph: Darrin Crone

One of the valve crosshead guides. There are ten of these as we have valve gear both in front and to the rear of the the valve chests.
Photograph: Darrin Crone

The tender springs are loaded on to pallets ready for dispatch to contractors for overhaul.
Photograph: Darrin Crone

With welding complete at the front of the tender frames they can now be painted. Here in undercoat.
Photograph: Peter Brackstone

The top corner of the tender where new plate has been welded in, and bolts securing the structure are ground so they are hidden when finished. Inside the vestibule paint has been applied.
Photograph: Peter Brackstone

The profile on the valve for the inside of the safety valve has been reprofiled. The spigot fits in to the centre of the new bottom flange.
Photograph: Darrin Crone

The upper rear brake hanger holes are being bored.
Photograph: Richard Swales

The leading and trailing coupled wheel springs are now fitted.
Photograph: Peter Brackstone

Another section of wasted tender has been cut out and will be replaced.
Photograph: Peter Brackstone

The boiler is now the right way up and is now being filled with water.
Photograph: Richard Swales

A view of the boring arrangement inside the tender dragbox. This end supported by one of the old tender vacuum brake cylinder brackets.
Photograph: Richard Swales

The last coupled axlebox is now fitted.
Photograph: Richard Swales

The tender rear drawhook rubbing block now sets the hook to the correct height.
Photograph: Richard Swales

The tender vestibule arch fabrication in place. Being close to the top beading makes it very difficult to fit.
Photograph: Darrin Crone

The new vestibule arch piece is in place. The plate behind and below the top edge beading has also been renewed at this overhaul.
Photograph: Peter Brackstone

Another section of tender plate has been cut out for renewal.
Photograph: Peter Brackstone

The new tender lower brake hanger pin next to the old. The new one has a head as shown on the LNER drawing. Made by a volunteer member of the Engineering Team.
Photograph: Darrin Crone

The atomisers are mounted on temporary brackets so that pipework can be run to them.
Photograph: Darrin Crone

New slide bar shims are being precision ground.
Photograph: Darrin Crone

A replacement safety valve cap (left) has been made at some time during preservation. It fit was improved by machining the inner profile to match an original.
Photograph: Darrin Crone

The refurbished front lamp irons have been refitted.
Photograph: Darrin Crone

The boiler full of water sits silently under hydraulic test.
Photograph: Darrin Crone

The first sections of steel are being cut out of the tender front.
Photograph: Darrin Crone

Our bronze side rod bushes in the process of manufacture. The internal serrations will improve the key for the whitemetal that will be cast inside of them.
Photograph: Darrin Crone

We have drawings of the tender but it also needs to be carefully measured to ensure the tender is still to drawing after such a long life.
Photograph: Richard Swales

Our collection of boiler gauges are being refurbished and checked for accuracy.
Photograph: Andy Barwick

Reaming of the right side tender horn stay holes to ensure a good fit for the bolts.
Photograph: Richard Swales

A gauge has been manufactured to ensure accurate finishing of the middle crank pin.
Photograph: Darrin Crone

The big end of the inside connecting rod is adjusted and measured to find the roundness for securing the bearing.
Photograph: Darrin Crone

The tender brakeshaft is tried in position.
Photograph: Darrin Crone

To get the blast pipe tops off the retaining studs had to be drilled out.
Photograph: Ken Woods

The painting table in the workshop which has seen hundreds of parts painted.
Photograph: Ken Woods

The new floorplate that will go inside the tender vestibule.
Photograph: Peter Brackstone

The tender tank is now receiving filling and painting to remove signs of our repairs.
Photograph: Peter Brackstone

The right leading tender brass is being scraped to its journal.
Photograph: Darrin Crone

The big end strap has been thoroughly examined by SNG, however due to its criticality it will now be inspected by a certified 3rd party.
Photograph: Darrin Crone

A strengthening beam has been welded across the front of the tender tank to maintain its shape when more material is removed.
Photograph: Darrin Crone

The tender brakeshaft is trial fitted.
Photograph: Peter Brackstone

More steelwork is removed from the tender front P Brackstone.
Photograph: Peter Brackstone

The boiler with a fire in it is drawn in to the open in the yard at Llangollen.
Photograph: Paul Aston

A platform was built so that the top of the boiler can be accessed.
Photograph: Darrin Crone

The leading tender wheelset has the axleboxes fitted and is ready for trial fitting in the frames.
Photograph: Richard Swales

The left refurbished tender vestibule support rod and housing are refitted to allow the routing of the tender water filler pipes in the dragbox.
Photograph: Richard Swales

The leading tender wheelset in place.
Photograph: Peter Brackstone

The coal door frame refitted after removal of the tender front platework.
Photograph: Peter Brackstone

Part of the scoop arrangement that will be refitted to the tender front.
Photograph: Peter Brackstone

Making the back of the tender look like it was never repaired
Photograph: Ken Woods

The tender brakeshaft has been tested, trial fitted and now painted.
Photograph: Richard Swales

The dummy return crank is fitted on the crankpin square.
Photograph: Richard Swales

The reversing assembly lifting arm with new pin coupled to the reverser reach rod.
Photograph: Darrin Crone

Nearly all the cab piping and cab floor structure has been removed for painting. The pipe team is not amused.
Photograph: Peter Brackstone

The ashpan being lowered in to the frames.
Photograph: Ken Woods

The ashpan in position.
Photograph: Trevor Camp / SNGLT

The jig that will be used to set the return crank angle and length on our new crankpins.
Photograph: Richard Swales

At the front of the inside tender frames, air brake pipes and TPWS conduit are terminated. The old TPWS junction box is fitted for sizing and will be replaced.
Photograph: Richard Swales

The cab floor has been stripped out to allow the structure to be finish painted.
Photograph: Peter Brackstone

Pallets loaded with tender springs return from refurbishment
Photograph: Peter Brackstone

The coach stripped back to metal prior to skin repairs at the workshops of CTMS.
Photograph: Richard Swales

The coach side that has been repaired.
Photograph: Richard Swales