Appendix III-C. ITEM DEFECTS FOR PAVING BREAKERS AND PNEUMATIC DRILLS

Appendix III-B. ITEM DEFECTS FOR CRANES (Cont) - SB-740-97-380028

Appendix III-C. ITEM DEFECTS FOR PAVING BREAKERS AND PNEUMATIC DRILLS (Cont)

SB-740-97-38 Storage Serviceability Standard for TROSCOM Material Construction Mining Excavating and Highway Maintenance Equipment Manual
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C 1, SB 740-97-38

APPENDIX III-C

ITEM DEFECTS FOR PAVING BREAKERS AND PNEUMATIC DRILLS

Classification

Major

Minor

Item

Defect

EXTERIOR SURFACES AND

HOUSINGS:

General

Fractures; base mounting and/or fastening devices broken or

missing ........................................................................................................................

Dents ...............................................................................................................................

Painted surfaces

Stage III corrosion, chipped or abraded ..........................................................................

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

Unpainted noncritical surfaces

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

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

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

BACKHEAD ASSEMBLY:

Backhead

Stage II corrosion on internal surfaces ............................................................................

Stage I corrosion on internal surfaces .............................................................................

Throttle valve

Stage II corrosion on internal surfaces ...........................................................................

Stage I corrosion on internal surfaces ...........................................................................

Throttle valve handle or lever

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

Cartridge oiler

Cartridge contaminated or deteriorated ...........................................................................

Air strainer screen

Punctured or torn ............................................................................................................

Contaminated with foreign matter ...................................................................................

Air inlet connection

Stage III corrosion; damaged threads ..............................................................................

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

Rubber grips

Cracked or cut; fungus growth .......................................................................................

CYLINDER ASSEMBLY:

Cylinder walls, piston and

valve mechanism

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

Stage I corrosion ............................................................................................................

Rotating mechanism

Stage III corrosion on internal or external surfaces ........................................................

Stage II corrosion on internal or external surfaces ..........................................................

Oil chamber

Stage II corrosion on internal surfaces ............................................................................

Lubricant contaminated; wick deteriorated or contaminated ...........................................

FRONTHEAD ASSEMBLY:

Cylinder walls, chuck and

chuck nut

Stage II corrosion on internal surfaces ...........................................................................

Drill rod and tool retainer

Stage III corrosion; distorted, broken or frozen ...............................................................

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

ENGINE:

Piston assembly and cylinder

walls

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

Stage I corrosion .............................................................................................................

Rotation joint and shaft

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

Stage I corrosion..............................................................................................................

Flywheel with fan

Cracked or broken ..........................................................................................................

Fuel system:

Tank

Stage III corrosion on internal surfaces ...........................................................................

Stage II corrosion on internal surfaces ...........................................................................

Fuel strainer

Deteriorated or contaminated...........................................................................................

Carburetor

Stage III corrosion; cracked or broken; fuel adjusting screw frozen.................................

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

Air filter

Deteriorated or contaminated...........................................................................................

ELECTRICAL SYSTEM:

Wiring

Broken strands, cracked insulation; fungus growth ........................................................

Frayed; checked loss of flexibility ....................................................................................

Spark plug

Stage III corrosion on spark point end; ceramic insulator broken ....................................

Stage II corrosion on spark point end .............................................................................

III-C-1

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