|JOB CODE:||141315 |
|SALARY RANGE:||$27,282 - $37,765|
|LOCATION OF WORK|
|Department of Public Works|
|Under the general direction of a Pump Maintenance Supervisor, performs highly skilled work in the operation and use of machine tools in the maintenance and repair of mechanical equipment for the City-Parish sewerage system. Work involves responsibility for the application of technical knowledge and skill in the operation and maintenance of various kinds of tools used in the machinist trade. Employees of this class exercise complete independent judgment as to the equipment and method to use for each particular job. Work assignments are usually received directly from pump mechanics. However, the satisfactory operation and performance of repaired or rebuilt equipment is usually the only assessment of the incumbent's work performance. Performs other work as requested.|
|ESSENTIAL WORK TASKS|
|Makes new pump shafts from steel stock and balances them; makes wearing sleeves for pump shafts; fits sleeves to shafts; machines, grinds, and polishes sleeves for proper operation.
Bores or bushes impellers; builds up, bores, or bushes pump housings; machines and trues impellers, including the dynamic balancing of these items; cuts keyways in shafting, impellers, and gears.
Machines fits bearings, impellers, and gears to shafting; straightens out machine bent or damaged shafts.
Reconditions bearing housing by refacing, truing, making, and fitting bearings or bushings, and installing bearings or bushings into housings with press fit.
Reconditions, builds, and machines the faces of check valves, flappers, and yokes.
Machines and sharpens drills and other steel cutting tools; reconditions mechanical seals by machining, lapping, and polishing of the mechanical seals.
Occasionally repairs, times, and resets air blowers and air compressors.
Make all necessary adjustments and minor repairs to the machine tools used in this job.
Refaces flanges on piping, spools, etc., and machine threads cast iron piping, bolts, and special items.
Orders materials and tools used in the machinist trade.
|KNOWLEDGE, SKILLS, AND ABILITIES|
|Knowledge of and proficiency in the operation and maintenance of machine tools as found in a machine shop, such as, lathe, drill press, milling machine, horizontal and vertical boring mill, shaper, broach, power press, power hacksaw, bench grinders, lapping machines, balance machines, tool post grinders and mills, and power pullers.
Knowledge of the reading of blueprints and working drawings.
Knowledge of and proficiency in the use of all hand tools and measuring instruments, such as, micrometers, calipers, dial indicators, gauges, etc., as used in machine work.
Knowledge of pipe fitting mechanics, principles, and practices.
Knowledge of the operation and maintenance of pumps.
Skill in the use of machine tools for boring, threading, machining, grinding, lapping, drilling, polishing, cutting, and tapering.
Skill in locating and determining defects in pumping and mechanical equipment and accomplishing the repair of same in pumps and related treatment plant equipment.
Ability to redesign pumps, maintain and repair all machinery.
Ability to apply good work habits such as punctuality, reliability, preciseness, and dependability in order to effectively complete assigned tasks and contribute to the smooth operation of the department and division.|
|EDUCATIONAL AND EXPERIENCE|
|High school diploma, GED, or equivalent certificate of competency, and successful completion of an apprenticeship or training program for a machinist, and three years progressively responsible experience as a machinist. |
|Any equivalent combination of education and experience.|
|OTHER JOB ASPECTS|
|The work examples described in this specification are intended only as an illustration of the various types of work that may be performed. The omission of specific statements of duties does not exclude them from job performance requirements if the work is similar, related or a logical assignment to the job.|