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       CODE: 710.381-026 Buy the DOT:Download/CD-ROM
TITLE(s): GAS-REGULATOR REPAIRER (petrol. refin.; pipe lines; utilities)
Tests, repairs, and adjusts regulators (gas governors), relief valves, and related equipment used
to control gas pressure in city gas mains and service pipes, pipelines, in-plant gas systems, and
petroleum refineries: Dismantles regulator and examines such parts as springs, valves, and diaphragm
for wear or deterioration. Cleans corrosion and tar deposits from serviceable parts, using solvents
and wire brush. Cuts seat to receive new orifice, taps inspection ports, and performs other repairs
to salvage usable materials, using handtools and machine tools. Reassembles regulator with new and
reconditioned parts, according to blueprints. Connects regulator to test stand and turns screw
adjustment until test-stand gauges indicate regulator inlet and outlet pressures are according to
specifications for regulator and type of service. Tests and adjusts pressure setting of relief
valves in similar manner. Records work done, pressure adjustment, and related data for each
instrument. May install regulators, and such related equipment as gas meters, odorization units, and
gas-pressure-telemetering equipment.
GOE: 05.05.09 STRENGTH: M GED: R4 M3 L3 SVP: 7 DLU: 77
ONET CROSSWALK: 85928A Valve and Regulator Repairers
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