C 1, SB 740-97-38
APPENDIX III-E
ITEM DEFECTS FOR CONCRETE MIXERS
Classification
Major
Minor
Item
Defect
A
B
EXTERIOR SURFACES AND
HOUSING:
General
Fractures; base mounting /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 I corrosion .............................................................................................................
X
CHASSIS:
Frames 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
STEERING SYSTEM:
Towbar
Stage IV corrosion; cracked or broken welds ..................................................................
X
Stage III corrosion ...........................................................................................................
X
Stage II corrosion ............................................................................................................
X
Linkage
Stage IV corrosion; bent or distorted ..............................................................................
X
Stage III corrosion; frozen ..............................................................................................
X
Stage II corrosion ............................................................................................................
X
WATER PUMP AND HOUSING:
Stage IV corrosion on internal surfaces; frozen ...............................................................
X
Stage III corrosion on internal surfaces ..........................................................................
X
Stage II corrosion on internal surfaces ...........................................................................
X
WATER MEASURING TANK:
Stage IV corrosion on internal surfaces; sight glass broken ...........................................
X
Stage III corrosion on internal surfaces ..........................................................................
X
Stage II corrosion on internal surfaces ...........................................................................
X
WIRE ROPE:
Stage IV corrosion; broken strands .................................................................................
X
Stage III corrosion............................................................................................................
X
Stage II corrosion ............................................................................................................
X
ENGINE ASSEMBLY:
Valves, rocker arm assembly
Stage II corrosion ............................................................................................................
X
Stage I corrosion..............................................................................................................
X
Piston assembly and cylinder
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
Stage III corrosion ..........................................................................................................
X
Stage II corrosion ............................................................................................................
X
III-E-1