_________________ Major Component Files _________________

_________ Power Unit 424 _________



2543 - Photo: Bob Peach.

With power unit 439 nearest the camera ex Finsbury Park electrician John Smith gets to grips with the auxiliary generator on power unit 424 At the DPS Grimsby storage facility on the 16th March 1985...



2546 - Photo: Bob Peach.

...Five DPS power units at the Grimsby storage facility on 16th March 1985. They are left hand side (left to right): 424, 439 & 430 and right hand side (left to right): 415 & 423...
 



1766 - Photo: Bob Peach.

...Power unit 424 is lowered onto a flat wagon at ICI Wilton, on the 3rd April 1991, during the overhaul of 55009 (D9009) "ALYCIDON". 424 was the very last power unit to be repaired at Doncaster Works and was fitted to 55017 (D9017) "THE DURHAM LIGHT INFANTRY" from the 17th November 1981 until withdrawal, it was fitted to 55009 during preservation in April 1985 after the main generator of 419 had flashed over during use at the North Yorkshire Moors Railway.
424's history table is seen below...

 

Locomotive:

Installation:
(No.1/2 End)

Off Works:
(Fitted)

On Works:
(Removed)

Fault/Reason For Removal:

Notes:

01

D9008

1

07/07/61

26/04/62

Scavenge oil pump drive defective

Out RSH

02

D9010

1

12/10/62

07/10/63

Loco due classified repair

In DONC

03

D9007

1

01/01/64

30/10/64

Loco due classified repair

 

04

D9014

1

26/11/64

02/02/65

Loco due classified repair

 

05

D9021

1

09/03/65

20/04/65

Suspect liner seal leaking

 

06

D9011

2

09/07/65

27/10/66

No details

 

07

D9005

2

03/03/67

30/03/67

Loco due classified repair

 

08

D9010

2

01/04/67

28/12/67

Loco due classified repair

 

09

D9011

1

05/01/68

19/03/68

Water in sump

 

10

D9003

1

19/07/68

25/02/69

Loco due classified repair

 

11

D9010

1

07/03/69

19/06/69

Exhaust tank full of water

 

12

D9008

1

15/10/69

20/08/70

Suspect dephased

 

13

9018

1

29/08/70

04/11/70

Loco due classified repair

 

14

9001

1

07/11/70

01/12/70

Loco due classified repair

 

15

9007

2

05/12/70

04/01/71

Water in sump

 

16

9003

2

19/03/71

13/05/71

Coolant pressurizing

 

17

9010

2

09/06/71

06/06/72

Aerating (suspect fractured liner)

 

18

9001

1

05/10/72

27/11/72

Loco due classified repair

 

19

9002

1

06/12/72

15/01/73

Breathing heavy

 

20

9007

1

22/01/73

09/08/73

Loco due classified repair

 

21

9018

2

11/08/73

05/12/73

Breathing heavy

 

22

9013

1

28/02/74

27/07/74

Con rod through crankcase

 

23

55001

2

05/11/74

22/01/75

A side crankcase fractured

 

24

55004

2

31/01/75

19/05/75

Suspect fractured liner

 

25

55006

1

02/11/75

03/12/75

Loco due classified repair

 

26

55005

2

08/01/76

05/08/76

No details

 

27

55019

1

22/09/76

08/04/77

Con rod through crankcase

 

28

55020

1

11/09/77

28/01/78

To allow 55021 back to traffic

 

29

55021

1

02/02/78

25/04/78

To allow 55016 back to traffic

 

30

55016

2

27/04/78

22/06/78

B crankcase fractured

 

31

55010

2

19/08/78

23/09/78

Required gudgeon pin housing exam

 

32

55015

2

27/09/78

25/10/78

Suspect fractured liner

 

33

55005

1

08/12/78

05/07/79

Time expired

 

34

55011

1

18/11/79

05/02/80

Fire damage

 

35

55003

2

10/03/80

07/11/80

Fractured liner

 

36

55016

1

21/01/81

26/08/81

Coolant system aerating

 

37

55017

1

  17/11/81*

23/01/82

Locomotive withdrawn

 

38 55009 2 24/04/85 24/01/00 Fitted in preservation at NYMR Out BH

39

55019

1

24/01/00

 

Donated by D9009

In BH 

Installed in 20 locomotives: 01/02/03/04/05/06/07/08/09/10/11/13/14/15/16/17/18/19/20/21
*Last power unit repaired at Doncaster
Power unit purchased by DPS & currently fitted to 55019

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