Section III. OPERATIONS
screwdriver. Tighten the locknut after adjustment.
9-8. Operating Procedures
After the regulator has been installed and the
A 10- to 30-minute warmup period should
installation wiring is checked, proceed as follows:
be allowed before adjustment of output
a .See that the regulator and the equipment connected
voltage, when a very exact setting is
to it are turned off.
b. Apply power to the unit; set the circuit breaker to
e. Energize the equipment connected to the output
ON (up). The LINE pilot lamp should light.
receptacles and note that the output voltage remains
within the rated accuracy.
9-9. Stopping Procedures
If an abnormal indication is obtained
during the starting procedure, higher
a. Turn off the equipment by setting the circuit breaker
category maintenance is necessary.
to OFF (down).
c. Connect Multimeter AN/USM-223 to the OUTPUT
b. Observe that the LINE indicator lamp is
d Remove the protective cap on the OUTPUT
VOLTAGE control, loosen the locknut, and adjust the
control to the desired output voltage with a
Section IV. OPERATOR' MAINTENANCE INSTRUCTORS
Operator's maintenance instructions are covered in paragraph 3-19 through 3-22. Cleaning is covered in paragraph
9-11. Operator's Daily Checks and Services Chart for Regulator, Voltage CN-1214/G
Equipment is not ready/
Item to be inspected
Taps and settings
Check that all taps and
If equipment fails to perform
settings match input power
within the rated operating
and load requirements.-
Section V. ORGANIZATIONAL MAINTENANCE INSTRUCTIONS
daily and monthly services are a part of the quarterly
preventive maintenance checks and services and must
be performed concurrently. All deficiencies or
Organizational maintenance instructions are covered in
shortcomings will be recorded in accordance with the
requirements of TM 38-750. Perform all the checks
covered in paragraph 3-29.
and services listed in the quarterly preventive
maintenance checks and services chart (para 9-15) in
the sequence listed.
9-14. Quarterly Maintenance
Quarterly maintenance checks and services on
Regulator, Voltage CN-1214/G are required. Periodic
Change 6 9-4