Appendix III-R. ITEM DEFECTS FOR DRILL, PNEUMATIC, DRIFTER, CRAWLER AND WHEEL MOUNTED

Appendix III-Q. ITEM DEFECTS FOR CRUSHING, SCREENING, SCRUBBING AND WASHING EQUIPMENT (Cont) - SB-740-97-380095

Appendix III-R. ITEM DEFECTS FOR DRILL, PNEUMATIC, DRIFTER, CRAWLER AND WHEEL MOUNTED (Cont) - SB-740-97-380097

SB-740-97-38 Storage Serviceability Standard for TROSCOM Material Construction Mining Excavating and Highway Maintenance Equipment Manual
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APPENDIX III-R

ITEM DEFECTS FOR DRILL, PNEUMATIC, DRIFTER,

CRAWLER AND WHEEL MOUNTED

Classification

Item

Defect

Major

Minor

EXTERIOR SURFACES AND

HOUSING:

General

Fractures; base mounting and fastening devices

broken or missing

Dents

............................................................................................................. X

Painted surfaces

Stage III corrosion; chipped or abraided ...............................................

Unpainted noncritical

surfaces

Stage IV corrosion....................................................................................

Stage III corrosion

............................................................................................................. X

Stage II corrosion

.............................................................................................................

MAIN FRAME AND TRACK

ASSEMBLY:

Tracks:

Shoes

Stage IV corrosion....................................................................................

Stage III corrosion

............................................................................................................. X

Stage II corrosion

.............................................................................................................

Links, springs or

adjusting screws

Stage III corrosion ....................................................................................

Stage II corrosion

............................................................................................................. X

Tow hitch

Bent, broken, or frozen .....................................................................

Drive sprockets and

track rollers

Cracked or broken; stage IV corrosion..................................................

Stage III corrosion

............................................................................................................. x

Stage II corrosion

.............................................................................................................

Final drives

Stage III corrosion on shafts, pinions, bearings or

gears; deteriorated seals; leaks

Stage II corrosion on shafts, pinions, bearings or

gears; lubricant contaminated

............................................................................................................. X

Manifold lubricating

oil reservoir

Stage III corrosion on interior surfaces; deteriorated

seals, O-ring or gasket deteriorated

Stage II corrosion on interior surfaces; lubricant con-

taminated

............................................................................................................. X

WAGON FRAME ASSEMBLY:

Pneumatic tires

Checks; and cracks extending to the cord; cut or pun-

ctured; bulges indicating ply separation; chunking

of rubbe

Wheels

Stage III corrosion on bearings and/or bearing cups;

grease seals deteriorated or leaking; stage IV

corrosion on external surfaces

III-R-1

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