WORK PROCESS
ELECTRICAL INSTRUMENT REPAIRER
O*NET/SOC CODE: 17-3023.02 RAPIDS CODE: 0157
Description: Repairs, calibrates, and tests instruments, such as voltmeters, ammeters, resistance bridges, galvanometers, temperature bridges, and temperature controlling and recording gauges and instruments, using jewelers’ tools, electricians’ tools, handtools, and measuring instruments: Tests instruments for resistance, voltage, and other characteristics, using potentiometer, voltage divider, and other testing devices. Disassembles instruments, using handtools, and examines parts for defects. Measures, cuts, and fits glass for meters and instruments, using glass cutter. Repairs or replaces defective parts of instruments, using handtools, soldering equipment, grinders, calipers, micrometers, and dividers. Reassembles instruments, following circuit diagrams and using jewelers’ tools. Tests new and repaired instruments, using test board. May operate lathe and drill press to make replacement parts. May plan, construct, and assemble test panels for experimental and production testing. May keep records on repair and calibration of instruments. May rebuild induction cores for electric furnaces. May install, repair, and adjust electronically controlled dynamometers.
ON-THE-JOB TRAINING:
APPROXIMATE HOURS
A. ORIENTATION
300
a. Use, care, and maintenance of tools
b. Shop and trade terminology
c. Help electricians
d. Dismantle, inspect and clean electrical equipment
e. Handle materials and supplies
f. Trade safety practice
B. ELECTRICAL HEATING
200
a. Install wire and service resistance and heating units
b. Check and determine ratings and operation characteristics
c. Install thermal insulation
C. TRANSFORMERS AND RECTIFIERS
300
a. Install wire and service single and three phase
b. Check and determine ratings, ratios and operating characteristics
c. Install wire and service rectifiers of various types
D. ELECTRICAL MEASURE
460
a. Install wire and service voltage, current and power meters
and recording instruments of all types
b. Check and determine ratings and operating characteristics
c. Provide necessary protection for measuring devices
d. Calibrate instruments
E. ELECTRONIC CONTROLS
1000
a. Install, wire, service electronic circuits, amplydines, photo
electric systems, electronic breakers, etc.
b. Check and determine ratings and operating characteristics
F. TROUBLE SHOOTING
1540
a. Locate defects and sources of failure in electrical circuits
b. Apply test procedures, isolate circuits, use substitutes, etc.
G. MECHANICAL
800
a. Install and service mechanical phases of electrical equipment
b. Cut, bend and fit electrical conduit
c. Gas cutting and heating torches
d. Solder with lead or silver and braze
e. Operate simple machine tools and portable hand tools
f. Make and install thermocouples
g. Care and maintenance of instruments
H. POWER CONSUMPTION
220
a. Read meters
b. Distribute amount of power used to various departments
I. PYROMETER AND ASSOCIATED CONTROLS
2000
a. Care and maintenance installation
b. Mechanical adjustments
c. Electrical adjustments
d. Calibration
J. THICKNESS GAUGES
1000
a. Overhaul
b. Calibrate
c. Care and maintenance
K. STRAIN GAUGES
500
a. Repair
b. Re-calibrate
c. Care and maintenance
TOTAL HOURS
8320
