| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Cupola hoist operator | Occupations | Operates skip hoist, using levers and foot brakes, to lift pig iron, coke, and limestone to top of cupola furnace for CUPOLA CHARGER (foundry). Maintains and lubricates hoisting machinery. (references) | |
| Hoist operator | Mining | A. In petroleum production, one who lowers and raises surveying, servicing, or testing instruments in and out of oil or gas wells on electrical conductor cables, using truck-mounted hoisting equipment. Also called winch operator. (references) | |
| Hoist operator | Occupations | 1: Controls hoisting machinery to raise and lower cages (elevators), skips (boxlike containers), and mine cars at mines or quarries: Moves levers and pedals to operate hoist in response to arm, bell, or buzzer signals. Observes dial indicator and marks on cable or drum to ascertain that desired position has been reached. Applies hand or foot brake and moves lever to lock hoist. Inspects, lubricates, and adjusts brakes and equipment. May be designated according to type of machinery controlled as Chain-Hoist Operator (mine & quarry); Electric-Hoist Operator (mine & quarry); Steam-Hoist Operator (mine & quarry); Tugger Operator (mine & quarry); or according to location of machinery as Slope-Hoist Operator (mine & quarry); Tower-Hoist Operator (mine & quarry). (references) | |
| 2: Operates truck-mounted hoist to lower and raise instruments and tools into and out of oil or gas wells on electric conductor cable, used to perform well services and surveys, such as directional drilling, electric well logging, perforating, sidewall sample taking, and free-point shooting: Signals and assists other workers in loading and unloading truck; assembling and connecting instruments and tools to conductor cable, using wrenches and special handtools; and in attaching cable pulley to hoist block of drilling rig or to special pulley-mount placed in position over borehole (rigging up). Operates hoist to lower and raise instruments and tools in well [HOISTING ENGINEER (any industry)], observing signals of engineering personnel. Loads log recorder with film to prepare for logging of oil or gas well boreholes. Observes indicator to verify depth of instruments in borehole. Drives truck to and from well site when working as member of crew. Repairs and maintains truck and other mobile equipment. May repair cables and hoisting equipment. May load explosive charges in such tools as gun or jet perforators. (references) | |||
| Scrap hoist operator | Mining | In the iron and steel industry, one who operates a skip hoist to carry scrap material to the furnaces. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
