(a) Disconnect load cables, start generator set
and allow it to warm up.
(1) Open or remove the control box cover (para
(b) Put circuit breaker in the ON position.
Check reading on voltage selector switch and
(2) Tag and disconnect electrical leads as
voltage across load terminals that are compatible to
(3) Remove the necessary mounting hardware.
the setting on the voltage selector switch.
(c) If proper voltages cannot be read on output
(1) Install mounting hardware.
terminals, replace the voltage selector switch.
(2) Connect electrical leads and remove tags.
(3) Close or install the control box cover (para
to remove or install the current selector switch or
voltage selector switch.
e. Flashing the Fields.
4-22. Slave Receptacle (Model MEP-026A,
(1) Flashing the field with the switch.
a. General. The slave receptacle is used for elec-
Operation of this equipment presents a
trical power source when starter kit is mounted on
noise hazard to personnel in the area. The
noise level exceeds the allowable limits for
b. On 28 VDC Model MEP-026A the slave recep-
unprotected personnel. Wear ear muffs or
tacle is used for providing an output of 28 VDC for
ear plugs which were fitted by a trained
equipment which requires direct current source of
the generator set (para 2-2b).
(b) Actuate the switch momentarily only to
of slave receptacle.
4-23. Connector Cover Plate and Recptacle Con-
(2) Flashing the field without a switch.
nector (Model MEP-016A, MEP-016C)
(a) Open or remove the control box cover (para
a. General. The receptacle connector on the side of
(b) Connect two 1.5 volt flashlight batteries in
tion of appliances or equipment requiring 100/120
series and connect a wire to each end.
volts, 15 amperes current at 60 hertz. The two recep-
(c) Connect the positive wire from the bat-
tacles are individually covered with a snap-up metal
teries to terminal No. 20 on the voltage regulator.
lid. The circuit is fused against overload, but close at-
the generator set (para 2-2b).
tention should be paid to the indication on the load
(e) Momentarily touch the negative wire to
meter when an additional current draw is applied.
terminal No. 21 on the voltage regulator to flash the
(1) With a voltmeter, measure the input voltage
Switch and Voltage Selec-
across input terminals on the back of the receptacle.
tor Switch (Models MEP-016A, MEP-016C,
This reading should be 120 V AC.
and MEP-021A, MEP-021C).
(2) Measure output voltage of plug-in on the
front of the receptacle. If 120 V is not obtained from
(1) Current selector switch.
the plug-in side of the receptacle, replace the
(b) Disconnect the input lead at terminal 11.
c. Removal. With the control box cover opened or
minals 11 and 12 (I(1)), 11 and 13 (I(2)), 11 and 14 (I(3),
connector cover plate and the receptacle connector.
on all three positions of the current selector switch.
(1) Tag and disconnect all electrical leads.
(c) If an open circuit is indicated on selected
switch settings, switch is defective and should be
screws from inside the control box.
(3) Remove the connector.
(2) Voltage selector switch.