Saturday, December 15, 2012

Traction Motor Plant

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

Assembly of short circuit cage( W 21.404):-
Points noticed:-

  • Record of the stack length measurement should be be taken as prescribed in para 3.9 and para 3.11 and para 3.15 of this WI.

  • Pressing machine gauge for measuring 45T pressure is due for calibration.

  • Auxilary pressing ring as mentioned in para 3.14 of this WI should be available in the shop. 
  • Tightening of nuts as mentioned in para 3.15 of this WI should be be done with torque wrenches.

  • Source of half rings could not be traced .

TEW make traction link bolt’s lab test report has come today. Sample has failed the chemical test and passed the hardness test.

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