NEC Codes - - MM 4283 High and Low Pressure Cryogenic Technician

NEC Designation:

NEC MM 4283 High and Low Pressure Cryogenic Technician

Description:

Operates, tests, inspects, and performs organizational and intermediate level maintenance on high and low pressure liquid oxygen and nitrogen generating plants. Tests liquid oxygen and liquid nitrogen for purity and acetylene contamination. Performs required checks on O2N2 compressed gas cylinders prior to and after charging them to the proper pressure. Manufactures liquid oxygen and liquid nitrogen by operating liquid oxygen and nitrogen generating plants to achieve capacity production under various climatic conditions.

Description (Con’t):

Operates and maintains mechanical refrigeration systems, reciprocating high pressure and centrifugal low pressure air compressors, cryogenerators, vacuum pumps, and gaseous distribution systems. Detects, analyzes, and corrects abnormal situations which may arise during the operation of liquid oxygen/nitrogen generating plants and associated equipment as prescribed on PMS maintenance requirement cards and applicable instructions. Documents corrective maintenance on relevant MDCS forms. Type II or Universal certification in accordance with EPA mandate is required.

Qualification Data:

Source Rating(s): MM

Billet Paygrades: E4-E8

Personnel Paygrades: E3-E9

Course: Mandatory

Open to Women?: Yes

Notes:

None

Information contained on this page is derived from the Navy Enlisted Manpower and Personnel Classifications and Occupational Standards Manual, Volume II, NAVPERS 18068F, which is the official manual for Navy Enlisted Classifications (NECs).