C 1, SB 740-97-38
APPENDIX III-B
ITEM DEFECTS FOR CRANES
Classification
Major
Minor
Item
Defect
A
B
EXTERIOR SURFACES AND
HOUSINGS:
General
Fractures; base mounting and/or fastening devices broken or
missing ........................................................................................................................
X
Dents ...............................................................................................................................
X
Painted surfaces
Stage III corrosion; chipped or abraded ..........................................................................
X
Stage II corrosion ............................................................................................................
X
Unpainted noncritical surfaces
Stage IV corrosion ........................................................................................................... X
Stage III corrosion............................................................................................................
X
Stage II corrosion.............................................................................................................
X
CHASSIS:
Frame and springs
Cracked or broken welds; stage IV corrosion ................................................................. X
Stage III corrosion ...........................................................................................................
X
Stage II corrosion.............................................................................................................
X
Tires
Checks and cracks extending to the cord; cut or punctured; bulges
indicating ply separation; chunking of rubber ..............................................................
X
Wheels
Distorted; broken; stage IV corrosion .............................................................................
X
Stage III corrosion ...........................................................................................................
X
Stage II corrosion ............................................................................................................
X
Stage III corrosion ...........................................................................................................
X
Stage II corrosion ............................................................................................................
X
Track
Stage IV corrosion ...........................................................................................................
X
CAB:
Interior surfaces
Painted surfaces
Stage III corrosion ...........................................................................................................
X
Unpainted noncritical
Stage III corrosion ...........................................................................................................
X
Breaks, cracks or discoloration .......................................................................................
X
W eatherseal
Loss of flexibility and resiliency; decomposition; splits and/or
cracks .........................................................................................................................
X
Operator's seat assembly
Stage III corrosion on seat controls; tears and/or splits ..................................................
X
Discoloration; mold or mildew .........................................................................................
X
Canvas top and shift lever
boots
Tears; splits; discoloration; mold or mildew ....................................................................
X
Wiper assembly
Motor frozen arms bent or broken....................................................................................
X
Blades bent or deteriorated .............................................................................................
X
STEERING SYSTEM:
Stage IV corrosion; bent; frozen ..................................................................................... X
Stage III corrosion, knobs cracked or broken ..................................................................
X
Stage II corrosion ............................................................................................................
X
Linkage
Stage IV corrosion; bent or distorted ..............................................................................
X
Stage III corrosion; frozen ...............................................................................................
X
Stage II corrosion ............................................................................................................
X
ENGINE ASSEMBLY:
Valves, rocker arm assembly
Stage II corrosion ............................................................................................................
X
Piston assembly and cylinder
Stage I corrosion ............................................................................................................
X
walls
Stage II corrosion ............................................................................................................
X
Stage I corrosion .............................................................................................................
X
Flywheel and ring gear
Stage IV corrosion; ring gear chipped, cracked or broken .............................................. X
Stage III corrosion ...........................................................................................................
X
Stage II corrosion ...........................................................................................................
X
Air cleaner
Stage IV corrosion ..........................................................................................................
X
III-B-1