Appendix III-X. ITEM DEFECTS FOR HEATER, CONCRETE MIXER

Appendix III-W. ITEM DEFECTS FOR HEATER, HOT OIL, SEMITRAILER MOUNTED (Cont)

Appendix III-X. ITEM DEFECTS FOR HEATER, CONCRETE MIXER (Cont)

SB-740-97-38 Storage Serviceability Standard for TROSCOM Material Construction Mining Excavating and Highway Maintenance Equipment Manual
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C 4, SB 740-97-38

APPENDIX III-X

ITEM DEFECTS FOR HEATER, CONCRETE MIXER

Classification

Item

Defect

Major

Minor

EXTERIOR SURFACES AND

HOUSINGS:

General

Fractures; , ase moullntind anl or fastening devices broken or missing

Dents

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

Painred surface

Stage II corrosion: chippeil or liradld.....................................................

Stage II corrosion

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

Unpainted noncritical surfaces

Stage IV corloson .....................................................................................

Stage III corrono

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

Stage II Corrosion

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

HEATING UNIT:

Frame and shell assembly

Stage IV corrosion on interior surfaces of inner

and/or outer jacket; bent, broken, dneted, or distorted......................................................................................

Stage III corrosion on interior surfaces of inner

and;or outer jacket

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

Conical head and damper

assembly.

Stage IV corrosion on interior surfaces; bent,

cracked, or broken; frozen

Stage III corrosion on interlol surfaces .............................................................................................................

Lifting handles and lifting

attachments

Bent, cracked. bloken. or distorted; stage IV corrosion ....................

Stage III corrosion

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

Piping and fittings

Stage IV conrrosion on interior surfaces; leaks,

breaks, or I)end.s; damiaaged threads ............................................................................................................. x

Stage III c(orrosion on interior surfaces .............................................................................................................

Burner door and platform

assembly

Bent, broken, or dlentted; stage IV corrosion on hinges.....................

Stage III corrosion on hinges

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

Stage II corrosion hlinges

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

Drain and/or air release

valve.

Stage IV conroslon ma interior surfaces; handwheel

broken; steim bent or frozen; leaks

Stage III c(orrosion on interior sulfaces .............................................................................................................

Stage II corrosion on interior surfaces .............................................................................................................

Safety valve

Stage IV cmi'oslon on interior surfaces; leaks .....................................

Stage III corrosion on interior surfaces .............................................................................................................

Stage II corrosion on interior surfaces .............................................................................................................

Water coils

Bent, cracked. broken., ordistorted; stage IV corrosion.....................

Stage III corrosion

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

Water tank

Stage I V cotnoslon of interior or exterior surfaces .............................

Stage III coTrosion of interior or extenor

surfaces; interior contaminated tith dirt, sludge,

or other foreign matter

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

Stage II corrosion of interior or exterior surfaces...............................................................................................

BURNER ASSEMBLY:

Burner shell

Bent, broken or distorted; stage IV corrosion ......................................

Stage III corrosion

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

Burner needle valve

Stage IV corrosion on intenor surfaces; stem bent

or fiozen; leaks; strainer punctured, tom or distorted........................................................................................

Stage III corrosion on intenor surfaces;

contaminated

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

Stage II corrosion on interior surfaces .............................................................................................................

FUEL TANK ASSEMBLY:

Tank

Stage IV corroslon on interior surfaces; fill

cap gasket deteriorated

Stage III corrosion on interior surfaces; interior

contamlna', ld wilth dirt, sludge, or other foreign matter ...................................................................................

III-X-0

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