Audit of following 2 WIs was done in TM Shop. Report is as follows:-
Dynamic Balancing of Hitachi Commutataor pressing ( W 23.031)
- Commutator dymanic seasoning was being done at 1450 rpm against 3050 rpm prescribed in WI para 3.2 this is well known limitation and being solved.
- Seasoning temperature should not be 190 degrees against 220 degrees mentioned in WI.
- Guage for seasoning presuure measurement (80T) was being sent for calibration.
Assembly of Hitachi Commutator on Armature Stack ( W 23.032):-
Centering gauge ING-201 was being sent for calibration.
- Pressing machine guage was being sent for calibration.