BARGAINING UNIT QUALIFICATION STANDARD
(6753-1001) MAIL EQUIPMENT SHOP TECHNICIAN (MES)
November 30, 1987
Installs, repairs, and maintains heavy industrial electrical equipment
and special purpose electronic circuitry of the Mail Equipment Shop,
including troubleshooting and testing of digital and analog electronics
as found in special purpose computers.
DESCRIPTION OF WORK:
See the Standard Position Description for the Occupation Code given
This section is composed of Knowledge, Skills, and Abilities (KSAs)
which are required to satisfactorily perform the tasks of the position.
Applicants must demonstrate that they possess a sufficient level of each
KSA, to include at least minimum competency for senior-qualified
positions to enable them to perform these tasks satisfactorily.
Applicants demonstrate these levels by describing examples of
experience, education, or training, any of which may be non-postal.
Ratings are based on the demonstration of the level of possession of
each of the KSAs. Failure to demonstrate any KSA is disqualifying.
Knowledge of basic mechanics refers to the theory, terminology, usage,
and characteristics of basic mechanical principles as they apply to such
things as gears, pulleys, cams, pawls, power transmissions, linkages,
fasteners, chains, sprockets, and belts; and including hoisting,
rigging, roping, pneumatic, and hydraulic devices.
Knowledge of basic electricity refers to the theory, terminology, usage,
and characteristics of basic electrical principles such as Ohm's Law,
Kirchoff's Law, and magnetism, etc., as they apply to AC-DC circuitry
and hardware, relays, switches, circuit breakers, etc.
Knowledge of basic electronics refers to the theory, terminology, usage,
and characteristics of basic electronic principles concerning such
things as solid-state devices, vacuum tubes, coils, capacitors,
resistors, basic logic circuitry, etc.
Knowledge of digital electronics refers to the terminology,
characteristics, symbology, and operation of digital components as used
in logic gates, registers, adders, counters, memories, encoders,
Knowledge of safety procedures and equipment refers to the knowledge of
industrial hazards (mechanical, chemical, electrical, electronic, etc.)
and procedures and techniques established to avoid injuries to self and
others such as lockout devices, protective clothing, waste disposal
Knowledge of basic computer concepts refers to the terminology, usage,
and characteristics of digital memory storage/processing devices such as
core memory, input-output peripherals, and familiarity with programming
Knowledge of heating, ventilation, and air-conditioning (HVAC) equipment
operation refers to the knowledge of HVAC equipment operation as it
relates to electrical circuitry.
Ability to perform basic mathematical computations refers to the ability
to perform basic calculations such as addition, subtraction,
multiplication, and division with whole numbers, fractions, and
Ability to apply theoretical knowledge to practical applications refers
to the ability to recall specific theoretical knowledge and apply it to
mechanical, electrical, and electronic maintenance applications such as
inspection, troubleshooting, equipment repair and modification,
preventive maintenance, installation of electrical equipment, etc.
Ability to use written reference materials refers to the ability to
locate, read, and comprehend text material such as handbooks, manuals,
bulletins, directives, checklists, and route sheets.
Ability to communicate in writing refers to transmitting/receiving
written information (equipment status, recommended repairs, etc.)
to/from maintenance, operations, and other personnel.
Ability to follow instructions refers to the ability to comprehend and
execute written and oral instructions such as work orders, checklists,
route sheets, and verbal directions and instructions, etc.
Ability to work under pressure refers to safely and effectively
performing the duties of the position under stress or in emergency
Ability to work with others refers to the ability to work safely and
efficiently in cooperation with fellow employees to perform the duties
of the position.
Ability to work without supervision refers to the ability to perform
safely and efficiently the duties of the position such as planning and
executing work activities without direct supervision.
Ability to use hand tools refers to the knowledge of, and proficiency
with, various hand tools used in mechanical, electrical, and electronic
work. This ability involves the safe and efficient use and maintenance
of such tools as screwdrivers, wrenches, hammers, pliers, chisels,
punches, taps, dies, rules, gauges, alignment tools, etc.
Ability to use portable power tools refers to the knowledge of, and
proficiency with, various power tools used in mechanical, electrical,
and electronic work. This ability involves the safe and efficient use
and maintenance of power tools such as drills, saws, sanders, grinders,
Ability to use technical drawings refers to the ability to read and
comprehend technical materials such as diagrams, schematics, flow
charts, blueprints, etc.
Ability to use test equipment refers to the knowledge of, and
proficiency with, various types of mechanical, electrical, and
electronic test equipment such as VOMs, oscilloscopes, circuit tracers,
amprobes, RPM meters, etc.
Ability to solder refers to knowledge of, and the ability to, apply
appropriate soldering techniques safely and effectively.
Applicants must have successfully completed Postal Service Test 500.
Applicants must be physically able to perform the duties of the
position. Vision of 20/40 (Snellen) in one eye and ability to read
without strain printed material the size of typewritten characters are
required. Corrective lenses are permitted. Ability to distinguish basic
colors and shades and ability to hear the conversational voice in a
noisy environment are required; hearing aids are permitted.
The required knowledge, skills, and abilities will not, in themselves,
be accepted as final proof of qualification. The applicant's total
record of experience, education, and training must show the ability to
perform the duties of the position.