C 4, SB 740-97-38
Classification
Item
Defect
Major
Minor
A
B
Guards
Stage IV corrosion on interior surfaces...............................................................x
Stage III corrosion on interior surfaces ...............................................................
x
Shafts
Stage IV corrosion ..............................................................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
Counterweights
Stage IV corrosion ..............................................................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
Stage IV corrosion; cracked or broken................................................................x
Stage III corrosion...............................................................................................
x
Drive belts and hoses
Checking or cracking; frayed or cut; loss of
flexibility; fungus growth; broken reinforcing .................................................x
Universal joints
Stage IV corrosion ..............................................................................................x
Stage III corrosion...............................................................................................
x
Tears, cuts; mold, mildew, or dry rot; insect and/or
rodent damage..............................................................................................x
SCREEN SUPPORT SPRINGS:
Stage IV corrosion on coil or leaf springs............................................................x
Stage III corrosion on coil or leaf springs ............................................................
x
ENCLOSED GEARS:
chipped, cracked, or broken gears; deteriorated
gaskets or seals; leaks .................................................................................x
contaminated lubricant..................................................................................
x
PLATFORM SCALES:
Stage IV corrosion ..............................................................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
SAMPLING CONTAINERS:
Stage IV corrosion ..............................................................................................x
Stage III corrosion...............................................................................................
x
SNATCH BLOCKS:
Stage IV corrosion ..............................................................................................x
Stage III corrosion...............................................................................................
x
LUBRICATION FITTINGS:
Dry; missing or broken; stage IV corrosion .........................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
COMPONENTS AND ACCESSORIES:
Missing; incomplete ............................................................................................x
Deteriorated or damaged.....................................................................................
x
LIFTING AND/OR
TIE DOWN DEVICES:
Cracked, broken, or distorted..............................................................................
x
WARNING OR CAUTION PLATES:
Illegible; missing .................................................................................................x
MODIFICATION WORK ORDER (MWO):
Urgent classification
Not applied..........................................................................................................x
Routine classification
Not applied..........................................................................................................
x
DATA PLATES:
Illegible or missing ..............................................................................................
x
III-KK-2