Hyundai HL955 Manual page 537

(4)
Check :
Bearing surfaces.
(5)
Check :
That the retaining plate is free of grooves
and that there is no wear in the slipper
pad area.
(6)
Check :
Check to see that there are no scratches
or metal deposits on the sliding surface
(1) and that there is no axial play (2)
(Pistons must only be replaced as a set).
(7)
Check :
1 Cylinder bores
2 Splines
1
2
6-72
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2
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2
1
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