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8633
MACHINIST
Nature of Work
Under general supervision, at the full-performance level,
an employee in this class specializes in machine work on the
various components of steam locomotives. Will be responsible for
all general machine work related to the operation of the facility.
Assists in other shop work, and may work on the train crew during
the operating season. Performs related work as required.
Examples of Work
Maintains and operates machines which include lathes,
horizontal and vertical milling machines, drill presses,
sharpers, threader machine and wheel lathes.
Machine boiler pieces, stay bolts, studs, pipe fittings to
tolerances of 0.001 or less.
Bore flue sheets to exact specifications.
Machine line shafts from various locomotives.
Machine pinions and gears to fit line shafts with shrunk and
pressed fits.
Remachine universal joints and gears which are rebuilt by
welds.
Machine various components of steam locomotive power train
which includes bushings, special pins, pistons, piston
rods, guides, sleeves and rings.
Machine gage cocks and valves that will withstand 200+ pounds of
steam pressure with tolerance of .001 or less.
Read and work from blueprints or drawings.
Machine parts without blueprints or drawings.
Machine or make various parts for other parks in the system as
work load permits.
Knowledge, Skills and Abilitiess
Knowledge of all machine tools normally found in machine shop
and the operation and care of such equipment.
Knowledge of steam locomotive parts, power train and
tolerances.
Ability to operate lathes, planer, shaper, threading machine
and wheel lathe.
Ability to work from blueprints and drawings.
Minimum Qualification
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Training:
Graduation from a standard high school or the
equivalent.
Substitution:
Additional qualifying experience may be
substituted for the required training on a year-for-year
basis.
Experience:
Four years of full-time paid employment or
equivalent part-time paid experience in a machine
shop, garage, or work of a similar nature.
Established 9/16/93 Effective 10/16/93