Appendix III-S. ITEM DEFECTS FOR DRILLING MACHINE, WELL, PERCUSSION GASOLINE-ENGINE-DRIVEN, SKID-MOUNTED

Appendix III-R. ITEM DEFECTS FOR DRILL, PNEUMATIC, DRIFTER, CRAWLER AND WHEEL MOUNTED (Cont) - SB-740-97-380100

Appendix III-S. ITEM DEFECTS FOR DRILLING MACHINE, WELL, PERCUSSION GASOLINE-ENGINE-DRIVEN, SKID-MOUNTED (Cont) - SB-740-97-380102

SB-740-97-38 Storage Serviceability Standard for TROSCOM Material Construction Mining Excavating and Highway Maintenance Equipment Manual
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C 3, SB 740-97-38

APPENDIX III-S

ITEM DEFECTS FOR DRILLING MACHINE, WELL, PERCUSSION

GASOLINE-ENGINE-DRIVEN, SKID-MOUNTED

Classification

Item

Defect

Major

Minor

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

Stage II corrosion

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

Unpainted noncritical

surfaces

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

Stage III corrosion

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

Stage II corrosion

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

StageIV corrosion; dents;twisted; bent;

STRUCTURAL MEMBERS:

cracked broken welds

Stage III corrosion

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

Stage II corrosion

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

SAFETY GUARDS AND

Distorted; incomplete, damagedormissing;

SHIELDS:

stage IV corrosion

Stage III corrosion

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

Cracked; broken; distorted or frozen; stage IV

SHEAVES AND PULLEYS:

corrosion

Stage III corrosion

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

Stage II corrosion

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

ENGINE ASSEMBLY:

Valves, rocker arm

assembly and combustion

chambers

Stage II corrosion .....................................................................................

Stage I corrosion

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

Piston assembly

and cylinder walls

Stage II corrosion .....................................................................................

Stage I corrosion

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

Flywheel and ring gear

Stage IV corrosion; ring gear chipped, cracked

or broken

Stage III corrosion

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

Stage II corrosion

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

Air cleaner

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

Stage III corrosion

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

Stage II corrosion

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

III-S-1

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