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Restoration diary

Reports of restoration work on 50029 and 50030.

I am one of RRRG's electrical officers and will write about work on site in general.

Recovering parts acquired from Rodney Group

A large amount of heavy boulders blocking the path to the container where our purchased spares were.

On Friday 29th June 2012, Sarah and myself set off together with our trusty hound Toby to meet up with the contacted transport company at a site near Worcester to collect electrical items we had purchased from 50021 Rodney Group, this also included a Radiator Fan Motor and Traction Motor Blower for the D400 Fund.

When we arrived at site, we introduced ourselves to the Lorry Driver Nigel Chapman. The first problem we encountered was that due to the heavy deluge the day before, a delivery of large boulders had been delivered and dumped in front of the grounded curtain-sided truck body that our items were being stored in.

After a little head scratching it was decided we could get into the other side of the body if we removed the site security fencing. When we obtained access to the other side of body, the next obstacle was to release the tensioning mechanism, which through the passage of time had sunk into the ground, and after some digging with spades and persuasion with the site dumper truck which lifted the sunk body out of the ground we gained access.

We moved some fencing to gain access to the other side of the container.

With the transport lorry manoeuvred into position and stabiliser legs down the next problem encountered was a temperamental hydraulic hi-ab which with the technical know-how of Nigel, eventually played ball. The first two items strapped up and lifted out were the Cubicle and Rad Fan Motor. The two compressors and traction motor followed soon after. The items were secured down and we then drove to where the traction motor blowers and spare power unit (ex-50045) were stored. One blower motor was lifted and secured down.

We needed the site dumper truck to force our way in...


RRRG's main purchase, the electrical cubicle, safely loaded onto the lorry.

Once everything was checked to be secure we set off on our journey North, up the M5, M42 etc heading for Derbyshire with Bowers Electrical being our first port of call. We had anticipated the journey to be difficult with the usual Friday afternoon traffic, however also had the added problem of road closures along the A6 between Derby and Rowsley due to the Olympic Torch relay, fortunately the journey went without delay or incident. At Bowers we had the assistance of a forklift and very quickly off-loaded D400 Fund's Rad Fan Motor and Blower Motor together with our two compressors.

RRRG's haul included two genuine Class 50 compressors, ex-50011, seen being guided onto the lorry.


We then set off for Rowsley, arriving at site about 4:45pm, where we were met by local “BG” resident Dave Rolfe. Once on site we discovered one of our ETH generators (in worse condition than the others, which is why it was never sent for overhaul) was obstructing the route of the lorry to our storage shed, incidentally we also needed this moving, so with the Hi-ab on site we took advantage and relocated it dropping it near Renown together with the Traction Motor.

A further spare traction motor was also included in the deal.


A short break was had whilst we retired to the BG for a brew. Once refreshed we returned to our storage shed to off-load the electrical cubicle although this was not without problems as the hi-ab could not manoeuvre the cubicle all the way into the shed so with a solid steel bar and some brute force we pushed the cubicle in. Space in the shed being what it was, we had to man-handle the cubicle in at an angle until the doors could be closed and locked.  Everything was then sheeted up, secured and we eventually left for site calling at Frankie & Bennies for a very well earned bite to eat and pint, eventually getting back home some 15 hours after starting out earlier that morning.

After some manhandling to make it fit the available space inside RRRG's designated facility, the newly-purchased cubicle was safely stored awaiting future work. With this final act, a long and satisfying day finally came to an end!

A big thank you to Nigel Chapman the jovial lorry driver, who was a tremendous help on the day, enjoy your retirement!!  Photos by Sarah McCall.

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Another CU1

Back in 2002 when RRRG successfully bid and secured Renown and Repulse together with various spares David Phillips was a volunteer at Pontypool & Blaenavon Railway and safely stored a CU1 on our behalf. As Sarah & I were travelling down to Swanage diesel gala this weekend to enjoy recently restored 50026 it was decided to call in to David's home in Trowbridge to collect the CU1 en-route. Whilst there I received a bonus in the form of an Ammeter for one of the cabs. I would like to thank David for safely storing the parts and also for the hospitality he and his wife offered us.

 

CU1 collected from David Phillips CU1 Wiring Loom and Plugs Cab Ammeter

 

 

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Work Party 28th April 2012

Sarah and I attended site and again met on site by Dave who I now think lives on site full-time as he is always there :-)

Dave continued with clearing and tidying the container a job that when he started thought would take a morning ended up taking three days. Once this was completed he continued with the refurbishment of the radiator grilles. The process takes such a long take as each element is being stripped back to bare metal, prior to priming and painting, and as BR's policy appears to have been apply new paint onto the old there are numerous layers of paint and a rainbow of colours.

Sarah & I continued with the  assessments of the KV10's. Starting with the best we are checking and cleaning contacts and replacing unserviceable parts. We have finished one complete unit having to re-terminate a couple of broken cables connections and replace a couple of components. The next best KV10 selected had sound looking components but the cable terminations at the top of the unit looked a little rusted and three of them sheared off when attempts were made to loosen them even after liberal application of WD40 (other lubricants are available lol). Therefore we had to loosen of the paxolin board from the body of the KV10 and using recovered termination studs from other scraped units these were replaced but this is not easy as unless you disconnect cables going from one side of the unit to the other side the board only gives finger width space.

Our next visit to site to continue with work on the KV10's will be in a few weeks as we will be participating in a railtour with EE Type1's and a couple of galas where it's hoped to sample a certain Mr Spracklen's 50026.

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Work Party 21/04/2012

Myself, Sarah and Toby the dog attended site and the usual weekender Dave was there when we arrived. Dave spent the Saturday erecting a shelving unit the group acquired courtesy of one of our volunteers employers (enough said) and having a general tidy up.

We spent the day working on assessing our KV10's. A couple were found to have damaged PCB connectors, I have found a source for acquiring replacements.

A damaged KV10 PCB Connector




The worst KV10 was dismantled to use a template to check the remaining units and to provide spare parts.

The two KV10 boards removed.



The dismantled shell and heat sink of a KV10




A list of spares needed is being compiled and all parts sourced so repairs can be carried out prior to transporting the KV10's and associated PCB Control Cards for testing.

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WorkParty 14th April 2012

Following a recommendation from The Fifty Fund I made contact with a Mr Noel Craigen, a former Technical Engineer with experience at various British Rail Traction Maintenance Depots, to assess and test our KV10s and Control Cards.



For those who are not in the know a KV10 regulates the voltage of either the Main Generator or the ETH Generator and are otherwise known as CU3 & CU6 respectively (each Class 50 locomotive uses two KV10 units). Each KV 10 has a pair of Control Cards that need testing and pairing also.



I met Noel at Rowsley on Saturday and we carried out an initial inspection of the KV10's and associated Control Cards. Noel has confirmed prices to carry out electrical and function tests as necessary. Once I have ensured any visible damage or missing parts have been repaired/replaced the KV10s will be transported to Yorkshire to Noel's premises for the tests and necessary repairs  to be completed.

Chris Dave & Me sorting through KV10's



Me inspecting KV10 Control Cards




This is another important stage of the electrical and control work underway.

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