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

Appendix III-S. ITEM DEFECTS FOR DRILLING MACHINE, WELL, PERCUSSION GASOLINE-ENGINE-DRIVEN, SKID-MOUNTED (Cont) - SB-740-97-380103

Appendix III-S. ITEM DEFECTS FOR DRILLING MACHINE, WELL, PERCUSSION GASOLINE-ENGINE-DRIVEN, SKID-MOUNTED (Cont) - SB-740-97-380105

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

Classification

Item

Defect

Major

Minor

WIRE ROPE:

Stage IV corrosion; broken strands .......................................................

Stage III corrosion

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

Stage II corrosion

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

GEARS:

Exposed

Chipped, cracked or broken; stage IV corrosion..................................

Stage III corrosion

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

Stage II corrosion

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

Enclosed

Chipped, cracked or broken; stage III corrosion ..................................

Stage II corrosion; lubricant contaminated .........................................................................................................

CLUTCH ASSEMBLY:

Bearings, shafts,

linkage and springs

Stage III corrosion; frozen.......................................................................

Stage II corrosion

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

Metal disks and plates

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

Stage II corrosion

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

Fiber disks and

bands

Deteriorated; punctured or torn..............................................................

Lubricant

Contaminated .....................................................................................

BRAKE ASSEMBLY:

Drum and/or shoes

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

Stage III corrosion

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

Stage II corrosion

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

Springs, anchors, cable, yokes

and/or linkage

Stage IV corrosion; distorted or broken ................................................

Stage III corrosion; frozen

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

Stage II corrosion

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

Hydraulic cylinders

Stage III corrosion on internal surfaces; stage IV

corrosion on external surfaces; leaks; boots

deteriorated; frozen

Stage III corrosion on external surfaces; stage II

corrosion on internal surfaces

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

Cylinder actuating rods

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

Stage III corrosion

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

Stage II corrosion

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

Lines, hoses and

fittings

Checked; cracked; kinked; split or cut; leaks; loss of flexibility ........

JACKS:

Distorted; broken or frozen; stage IV corrosion ...................................

Stage III corrosion

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

BASIC ISSUE ITEMS

(BII):

Missing ......................................................................................................

Deteriorated or damaged

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

III-S-4

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