It was a busy day at Barrow Hill today with work spread across various areas and meet ‘n greet.
55009.
Some areas of the paintwork are requiring attention and these are in the process of being identified ready for remedial action.
The loco is operational on one power unit (408) but the failed unit, 451, will have to swapped out. At present returning Tulyar to service is taking priority.
D9015.
After the disappointment of power unit 417 failing so soon after installation investigations into the failure continued.
Engineers checked the fuel cam quadrant on power unit 423, to check for the correct readings which are 40 degrees between C-B, B-A and 80 degrees between C-A camshafts. All was correct. We went to check power unit 417 and C-B camshaft was 224 degrees out, which proves that the unit has dephased. It seems like the power unit has failed with the same fault as in 2003. This will be confirmed when the unit is removed from the loco at a future date.
Power unit 430 is being prepared as the replacement. All the old hoses and clips within the triangle are being replaced with new modern hoses which are on order.
After pressure testing for any leaks the phasing case can be refitted along with refurbished main and ancillary generators.
A power unit swap will then take place.
Preparations for this commenced on Tulyar.
Electrically, progress continues, sometimes accompanied by frustration as the fixing of one fault has a habit of leading to the discovery of others but the delectricians continue their thorough and systematic work and are doing a great job.
Geoff is continuing preparing new cab floor panels which will complete the refurbishment of the cabs.
A surprise find in the stores recently was an original fire pull cover which was fitted.
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