C4, SB 740-97-38
APPENDIX III-DD
ITEM DEFECTS FOR FEEDER, AGGREGATE
Classification
Item
Defect
Major
Minor
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 members
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'
Adjustable jack legs
Stage IV corrosion; bent or broken; adjusting bolt
frozen............................................................................................................x
Stage III corrosion...............................................................................................
x
Wheel bearings
Stage IV corrosion; lubricant contaminated.........................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
Kingpin and plate
Stage IV corrosion ..............................................................................................x
Stage III corrosion...............................................................................................
x
BRAKE ASSEMBLY:
Drum and/or shoes
Stage IV corrosion ..............................................................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
Springs, anchors, cable,
yokes, and/or linkage.
Stage IV corrosion; distorted or broken...............................................................x
Stage III corrosion; frozen...................................................................................
x
Stage II corrosion................................................................................................
x
Air reservoir
Stage III corrosion on internal surfaces; stage IV
corrosion on external surfaces......................................................................x
Stage II corrosion on internal surfaces; stage III
corrosion on external surfaces......................................................................
x
Cylinder actuating rods
Stage IV corrosion ..............................................................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
Lines, hoses, and fittings
Checked; cracked; kinked; split or cut; leaks;
loss of flexibility.............................................................................................x
ELECTRICAL SYSTEM:
Wiring
Broken strands; cracked insulation; fungus growth ............................................x
Frayed; checked; loss of flexibility.......................................................................
x
Terminals and connections
Stage III corrosion; broken terminals...................................................................x
Stage II corrosion................................................................................................
x
Switches, regulators, relays,
and controllers
Stage III corrosion; broken; frozen ......................................................................x
Stage II corrosion................................................................................................
x
Lights and reflectors
Stage III corrosion; cracked or broken ................................................................
x
Stage II corrosion................................................................................................
x
BIN ASSEMBLY:
Separator plates
Stage IV corrosion ..............................................................................................x
Stage III corrosion...............................................................................................
x
Bins
Stage IV corrosion on interior and exterior
surfaces........................................................................................................x
Stage III corrosion on interior and exterior
surfaces........................................................................................................
x
III-DD-0
