Hitachi Traction Motor Armature Manufacturing

Power Coil Winding of Hitachi Armature  ( W 23.017):-

Points noticed:-

• Source of supply of distance pieces ( high conductivity electrolytic copper) should be established in the shop floor.

Power Coil Winding of Hitachi Armature  ( W 23.017):-

Points noticed:-

• ING 204 was being sent for calibration.

Insualtion cutting to sizer  ( W 23.018):-

Points noticed:-

• Source of supply P-200 powder should be established in the shop.

Equaliser Coil Winding of Hitachi , Deck Insulation-CE Side  ( W 23.019):-

Points noticed:-

• Staff working on equalizer coil were sure of doing 500 V insulation test before the winding.
• Insulation GUFZ 0.13 as mentioned in the para 3.8 of this WI should be located by staff.

Hitachi Traction Motor Manufacturing

PE Side Deck Insulation of Equaliser Winding of Hitachi  ( W 23.020):-

Points noticed:-

• Grease KS707 for mould release treatment should not be of expiry date.

Equaliser  Coil Winding of Hitachi Armature  ( W 23.021):-

Points noticed:-

• Date of expiry of GUFZ 0.13 sheet should be established.

Equaliser Coil Earth Insualtion of Hitachi  ( W 23.022):

Points noticed:-

• P-200 powder and all M-60 mica sheets should be of expiry date.

Hitachi Armature Coil Earth Insulation  ( W 23.023):-

Points noticed:-

• Inter-Turn test machines were told to be calibrated but date of calibration was not marked.