C 1, SB 740-97-38
APPENDIX Ill-K
ITEM DEFECTS FOR HAMMERS, PILEDRIVER
Classification
Item
Defect
Major
Minor
AB
HYDRAULIC CONTROL
SYSTEM:
Lines, hoses and fittings
Kinked; broken; leaks or seeps; checked or cracked; fungus growth;
loss of flexibility ................................................................................................... X
Pump and/or fluid
Body cracked or broken; stage III corrosion
reservoir
Stage II corrosion on internal surfaces................................................................ X
Cylinder and valves
Stage III corrosion ...............................................................................................
X
Stage II corrosion on rods and / or internal surfaces of cylinders and................. X
valves ..................................................................................................................
X
Operating fluid
Contaminated......................................................................................................
X
Gaskets and seals
Deteriorated; leaks or seeps................................................................................ X
Filters
Stage III corrosion on internal surfaces............................................................... X
Stage 1II corrosion on internal surfaces; element contaminated .........................
X
STARTING DEVICE:
Stage III corrosion on critical surfaces ................................................................ X
and springs
Stage II corrosion on critical surfaces .................................................................
X
Stage IV corrosion; broken strands..................................................................... X
Wire rope
Stage III corrosion ...............................................................................................
X
Stage II corrosion ................................................................................................
X
Stage IV corrosion............................................................................................... X
Guide rollers
Stage III corrosion; frozen ...................................................................................
X
Stage II corrosion ................................................................................................
X
Stage II corrosion on critical surfaces ................................................................. X
ANVIL:
Stage I corrosion on critical surfaces ..................................................................
X
RECOIL DAMPENER:
Cracked, broken, worn or deformed .................................................................... X
DRIVING HEAD AND ADAPTER
ASSEMBLY:
Driving head, adapter
Stage IV corrosion; cracked or broken ................................................................ X
and cap
Stage III corrosion ...............................................................................................
X
Stage II corrosion ................................................................................................
X
Cracked, broken, worn or deformed .................................................................... X
Plastic and aluminum disc
Stage IV corrosion; broken strands.....................................................................
X
Wire rope
Stage III corrosion ...............................................................................................
X
Stage II corrosion ................................................................................................
X
GUIDE ANGLES:
Bent, cracked or broken ......................................................................................
X
BASIC ISSUE ITEMS (BII):
Missing................................................................................................................ X
Deteriorated or damaged.....................................................................................
X
COMPONENTS AND AC-
CESSORIES:
Missing; incomplete ............................................................................................ X
Deteriorated or damaged.....................................................................................
X
WARNING OR CAUTION
PLATES:
Illegible; missing.................................................................................................. X
MODIFICATION WORK ORDER
IMWO):
Urgent classification
Not applied .......................................................................................................... X
Routine classification
Not applied ..........................................................................................................
X
IIl-K-2