3
Mandrel rotation
• When rotate the mandrel, at the certain angle the mandrel is uncontrollable (rotate by it self)
• Will inspect mandrel rotation gear box
4
Coil to saddle short
LERE
• Both LE and RE insulation was damaged• The worst case was in RE shown in picture• Replace the in between insulation• Open up more the slit in RE (4.75 mm
measured at the tip of the slit); LE (3.0 mm)
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