PCC D3400 - Page 157

6300
SLIDER SURFACE HAS A HEAVY
OXIDE ACCUMULATION IN POLE
TIP AREA WHICH CANNOT BE
REMOVED
DEEP SCRATCH OR SCRATCHES THRU
CORE FACE OR POLE TIPS
LARGE
PIT OR VOID IN SLIDER SURFACE
DIRECTION OF
DISK ROTATION
.,
SLIDER SURFACE HAS DEEP
SCRATCHES WITH OXIDE
ACCUMULATION
CHIPPED
EDGE OF SLIDER
SURFACE PERIPHERY OR CHIPS
AT
EOGE OF BLEED HOLES
Figure 6-2. Slider Defects and Head Contamination which Require Head Replacement