C 4, SB 740-97-38
Classification
Item
Defect
Major
Minor
A
B
Depth control
Stage IV corrosion on adjusting screw; rods, levers,
or brackets bent or broken; inoperative .........................................................x
Stage III corrosion on adjusting screw ................................................................
x
Stage II corrosion on adjusting screw .................................................................
x
PULLEYS AND DRIVE
SPROCKETS:
Cracked or broken; stage IV corrosion................................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
DRIVE CHAINS:
Stage III corrosion; cracked or broken links ........................................................x
Stage II corrosion; pins and/or rollers frozen.......................................................
x
WATER SYSTEM:
Pump
Stage IV corrosion on impeller, shaft or interior
surfaces of housing; shaft frozen or binding;
house cracked; chipped, cracked or broken
impeller; deteriorated gaskets or seals..........................................................x
Stage III corrosion in impeller, shaft of intterior
surfaces of housing ......................................................................................
x
Stage II corrosion on impeller, shaft or interior
surfaces of housing ......................................................................................
x
Control valve
Stage IV corrosion; bent, broken, or frozen.........................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
PARKING BRAKE ASSEMBLY:
Stage IV corrosion; bent, broken, or frozen.........................................................x
Stage III corrosion...............................................................................................
x
ACCESSORIES:
Box
Bent or distorted; hinges and fasteners frozen or
missing .........................................................................................................x
Saw blades:
Steel
Stage IV corrosion; distorted or bent; broken......................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
Abrasive
Chipped, broken, or cracked...............................................................................x
LUBRICATION FITTINGS:
Dry; missing or broken; stage IV corrosion .........................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
COMPONENTS:
Missing; incomplete ............................................................................................x
Deteriorated or damaged.....................................................................................
x
LIFTING DEVICES:
Cracked, broken or distorted...............................................................................
x
WARNING OR CAUTION PLATES:
Illegible; missing .................................................................................................x
DATA PLATES:
Illegible or missing ..............................................................................................
x
DEPRESERVATION GUIDE
(DA FORM 2258)
Illegible or missing ..............................................................................................
x
III-NN-2
