Sunday, December 30, 2012

Traction Motors fore Locomotives

Audit of following Work Instructions was done in TM Shop. Report is as follows:-

Welding of Stator Assembly ( W 21.402):-
Points noticed:-
  • Lifting fixtures mentioned in para 3.2 of this WI is not in use. WI needs modification
  • Cleaning of the fitting bars as mentioned in para 3.3  should be done.
  • 6 mm measurement of the welding material as mentioned in para 3.11 should be done.

  • Cross pieces cleaning as mentioned in para 3.20 should be done.
  • 16 mm weld deposition measurement as mentioned in para 3.23 should be done
  • This WI is not complete. In practice Stoppers and accessories bars are being used which should be mentioned in WI.
  • Most of the 3 phase TM stator work is carried out in HMS except stacking. Small work of stacking can also be carried out in HMS as this will save transit time ( from TM shop to HMS).

Reports from sheds:-

Rayapuram Shed :- has emailed CLW loco failures for the past 10 months.Same has been forwarded to CEE(Loco).

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