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Magnetic Particle Testing
A 3500 ampere-turn coil shot is required to be performed in an S-turn coil after a head shot of 800 A using the wet continuous method. In order to properly conduct the coil shot, it is necessary to:
Demagnetize the part between the head and first coil shot.
Check the part for residual magnetism with a field indicator.
Remove all residual wet magnetic particle fluid from the part using clean, dry absorbent rags.
Place the part in the coil and continue the inspection after evaluating the head shot indications.
Ensure proper coil positioning and alignment for uniform magnetization.
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