KSE Signalling Project

This post covers progress with the NER Central Division signals. Previously we drilled all the front bearing castings for the NER CD signals. This left the rear bearing castings to tackle, but these are slightly more complicated, as the hole needs to be drilled at an angle, so as to match the post taper. This was achieved by marking out the centre, then carefully setting up the casting on the radial arm drilled table, clamped accordingly. A pilot hole followed, being opened out gradually until 1.1/4" diameter was reached. Note the shimming at the two ends of the casting to get the required taper The corner mounting holes will be marked out individually to suit the individual posts: just to take into account and variations in the drilling. Hopefully they will all end up the same... Once the first on was completed, it was fitted to the post for No.17 (the Tebay platform starter), marking the first new CD signal assembly for well over 100 years! The spectacles required a little more ...

No, not in the blackmail sense... To operate the heavy signals and points, the levers in the box are pretty long, and travel a greater distance in order to move the point rodding or wires only a little way. A nice bit of physics / mechanics in action... As you may recall from previous posts, we have been stripping and painting (in primer) the 22 levers for the box, ready for their installation. These have had the lower sections painted in grey enamel to match everything else under the box and aid maintenance / inspection. We have also been cleaning up and preparing the pivots for installation, along with the plates that link the levers, lever tails and pivots. These had previously been painted in red oxide, but the oil holes for the bearings themselves were pretty solidly caked! Fortunately, removing one split pin and applying a bit of force resulted in separation. It was then a straightforward job to drill out the excess paint from the oil holes, remove any loose primer and polish up ...

The remaining front bearing plate castings were drilled by Alex, Dave and I, following on from the marking out Will did previously. This part of the job was very straightforward, and we soon had them all done. Drilling interrupted for a photo Concentration! It then got rather more complicated, as we came to offer the front bearing up to the post itself. We knew the casting fitted the routed posts, as we trial-fitted these before planting the posts. The central hole through the post, for the spindle itself, was drilled oversized to cater for any discrepancies. Or so I thought! ...unfortunately, it appears that this drilling of the post (hopefully in the singular) was out by more than expected. Looking through the post to the casting beyond, showing the margin of the error. After much shuffling to see if we could make it work, I took the more brutal option, and set to with a hammer and chisel, opening out the post hole to suit. At this stage I can confirm the castings are correct, the ho...

With works around the outside of the signalbox largely completed, this Mole turned his attention towards the missing section of the rodding run. There are only 4 stools required here, so thankfully it wasn't too daunting. However, the terrain was 'challenging'! First up, stools were selected and moved close to the run, with exact locations (at 9' intervals) marked out. The next job was to scrape back the ballast, concrete remnants and anything else that sat on top of the membrane. This then required cutting to enable the holes to be dug, and the stools planted. The end two holes were dug first, with great care being taken to get the stools in exactly the right place. Measurements were made from the inner edge of the rail for these, and the tops set at the same height as the top of the sleepers. Our tape measure (named John) came into its own here. These stools were tightly packed in place, the membrane folded back around them, and then ballast packed on top to leave bot...