TM 5-6115-434-12
i.
Main Contactor Trip Indicator Lamp (fig. 2-20).
(1)
Description. A filament type press-to-test lamp with a red lens.
(2) Purpose. Illuminates to indicate that the main contactor has tripped and disconnected and external and
internal 400 Hz electrical loads from the electrical system.
2-12. Electrical Output Connection Panel Controls (fig. 2-3)
a.
General. The electrical output connection panel controls are located at the top of the connection panel (fig. 2-3).
The description, purpose, and function of the power unit electrical output connection panel controls are described as
follows.
b.
60 Hz Convenience Receptacle Circuit Breaker (fig. 2-3).
(1)
Description. A press-to-reset type circuit breaker installed in the electrical circuit to the two 60 Hz
convenience receptacles.
(2)
Purpose. Provides short circuit and overload protection to the 60 Hz convenience receptacle circuit. The
circuit breaker opening amperage (15 amps) is marked on the reset bar.
c.
Panel Illumination Lamp (fig. 2-3).
(1)
Description. A hooded filament type lamp adjustable for directing the illumination on the panel.
(2)
Purpose. Illuminates the electrical output connection panel for night operations. The lamp is energized by
the panel lights switch (fig. 2-16).
d.
Fuel Heater Circuit Breaker (fig. 2-3).
(1)
Description. A press-to-reset type circuit breaker installed in a fuel heater electrical circuit (used with
winterized units only).
(2)
Purpose. Provides short circuit and overload protection for a fuel heater electrical circuit (used with
winterized units only). The circuit breaker opening amperage (60 amps) is marked on the reset button.
e.
Water Line Heaters Circuit Breaker (fig. 2-3).
(1)
Description. A press-to-reset type circuit breaker installed in the water line heaters circuit.
(2)
Purpose. Provides short circuit and overload protection for the water line heaters circuit. The circuit
breaker opening amperage (15 amps) is marked on the reset button.
f.
400 Hz Convenience Receptacle Circuit Breaker (fig. 2-3).
(1)
Description. A press-to-reset type circuit breaker installed in the electrical circuit to the two 400 Hz
convenience receptacles.
(2)
Purpose. Provides short circuit and overload protection to the 400 Hz convenience receptacle circuit. The
circuit breaker opening amperage (15 amps) is marked on the reset button.
g.
Reverse Polarity Indicating Lamp (fig. 2-3).
(1)
Description. A filament type bulb with a red lens.
(2)
Purpose. Illuminates to indicate that an external 24 v dc power source has been connected to the external
dc power source connector (fig. 2-3) with the polarity reversed in comparison with the power unit dc circuits.
h.
Cold Weather Heaters and Battery Activation Switches (fig. 2-3). Used with winterized units only.
Section IV. OPERATION UNDER USUAL CONDITIONS
2-13. General
a.
The instructions in this section are published for the information and guidance of personnel responsible for
operation of the power unit:
b.
The operator must know how to perform every operation of which the power unit is capable. This section gives
instructions on starting and stopping the power unit, operation of the power unit, and on coordinating the basic motions to
perform the specific tasks for which the equipment is designed. Since nearly every job presents a different problem, the
operator may, have to vary given procedures to fit the individual job.
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