C 4, SB 740-97-38
APPENDIX III-NN
ITEM DEFECTS FOR SAW, ABRASIVE DISK, MASONRY
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
FRAME ASSEMBLY:
Frame
Cracked or broken welds; stage IV corrosion......................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
Tires
Chunking of rubber; rubber tires loose................................................................x
Wheels
Distorted; broken; stage IV corrosion .................................................................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
Cooling system:
Fan
Blades broken; stage IV corrosion ......................................................................x
Bent; stage III corrosion ......................................................................................
x
Stage II corrosion................................................................................................
x
Cooling fins
Bent or otherwise damaged to the extent repair is
required ........................................................................................................
x
Fuel system:
Tanks:
Internal surfaces
Stage III corrosion...............................................................................................x
Stage II corrosion; coating peeling or flaking.......................................................
x
External surfaces
Stage IV corrosion ..............................................................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
Lines, hoses, and connectors
Cracked or checked; kinked; broken; fungus growth ..........................................x
Filters and sediment bowls
Stage IV corrosion on internal surfaces; cracked
or broken.......................................................................................................x
Stage III corrosion on internal surfaces; element
deteriorated or contaminated ........................................................................
x
Stage II corrosion on internal surfaces................................................................
x
Carburetor
Stage III corrosion; cracked or broken ...............................................................x
Stage II corrosion; contaminated.........................................................................
x
Throttle and choke
Stage IV corrosion; broken..................................................................................x
Stage III corrosion; bent or frozen.......................................................................
x
Stage II corrosion................................................................................................
x
Seals
Deteriorated; leaks or seeps ...............................................................................x
Rain cap
Stage IV corrosion; cracked, broken, or missing.................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
III-NN-0