Control
Description
Function
BATTERY
Green - fully charged: Yellow -
Indicates the degree of charge of the batteries. Needle
INDICATOR
charging: Red - Under or over
in the green area indicates fully charged between 26
charging
and 30 volts. Needle in yellow area indicates charging
condition between 20 and 26 volts. Needle in red area
indicates an under charge or an over charge condition.
Panel Light
Shielded, bulb type, two used
Illuminates control panel.
RUNNING TIME
Hourmeter; 0 to 9,999.9 hours
Indicates total operating time of Generator Set.
meter
Frequency Meter
Range 55 to 65 Hz; 0.1 Hz scale
Indicates frequency of Generator output.
Model MEP-003A
divisions; red mark at 60 Hz
Frequency Meter
Range 380 to 420 Hz; 1 Hz scale
Indicates frequency of Generator output.
Model MEP-112A
divisions; red mark at 400 Hz
%RATED CUR-
0 to 133 percent range; red line at
Indicates percent of rated output current.
RENT METER
100 percent, green line at 0 percent
Voltmeter, AC
O to 300 volt scale; suppressed from
Indicates Generator Set output voltage.
O to 100 volts and linear from 100
to 300 volts. Red marks at 120, 208,
and 240 volt points.
VOLTAGE AD-
Rheostat
Adjusts Generator Set output voltage. Clockwise to
JUST RHEOSTAT
increase and counterclockwise to decrease.
AMMETER-
Rotary switch
Used to select phase, voltage and current combination
VOLTMETER
for reading on ammeter and voltmeter.
TRANSFER
SWITCH
PANEL LIGHT
Toggle switch; ON-OFF
Controls panel lights.
SWITCH
MASTER SWITCH
Rotary switch, 5 positions, PRE-
When placed in PREHEAT position, electrical power is
HEAT, OFF, PRIME & RUN
applied to glow plugs and preheater on the engine to
AUX. FUEL, PRIME& RUN, and
aid in cold engine starting. In OFF position, alI dc cir-
START
cuits are deenergized except panel lights, and battery
charging system. This position is use to stop the unit
under normal operation. The PRIME & RUN AUX.
FUEL position is used when set is running and auxil-
iary fuel system is being used and also to prime entire
fuel system before starting if required. The PRIME&
RUN position is used when set is running and auxiliary
fuel system is not used and also to prime engine fuel
system only before starting if required. When placed in
START position, energizes engine cranking system for
engine starting, activates glow plugs and air heaters,
and by-passes protective devices.
DC ONTROL
7.5 AMP breaker
Used for protecting dc circuit in case of short and also
CIRCUIT
for emergency stopping; pull out to activate.
BREAKER
TM 5-6115-585-12
NAVFAC P-8-623-12
TO-35C2-3455-1
TM-05684C/05685B-12
Table 2-1. Generator Set Controls and Instruments
Change 10
2-2.1 /(2-2.2 blank)
