New RAIL magazine 834
Pre production testing of the first Class 769 Flex MAN diesel engine and ABB alternator was due to begin at Wabtec Rail's Brush Traction Loughborough facility as this issue of RAIL went to press.
This process will allow engineers to discover and remedy any issues before engines and alternators are fitted to the first Class 319 on site.
Testing will be carried out in a bespoke facility adapted for the scheme., The engines and alternators to be tested initially are pre production samples and will not be fitted to a main line 769. they will remain in situ throughout the conversion process to enable Wabtec, MAN and ABB engineers to assess and rectify any issues found during testing.
Once testing is complete, it is expected that Unit 1 (319 456) will be fitted with its components in September or October.
Following a period of static testing at Brush, the train will then move to the nearby Great Central Railway for testing. This will be for drivers as well as for the owner Porterbrook, Wabtec and other partners. this is expected in late November.
The 769 will be joined at the Great Central by Unit 2 (319 434) to test compatibility and for other issues such as working in multiple. Once that is completed the trains will return to Bush to await approval before moving to their future base at Allerton.
It is planned that all eight will be in the North West By April, ahead of their introduction at the start of the May 2018 timetable.
The first two trains are already at Brush with 319 456 fitted with a trial fuel tank by August 15. the tank carries 1,000 litres of fuel and designed to last for two days in traffic, depending on how economically the 769 is driven and where it operates.