Marconi LORAIN RHM800E50, Manual

Page: 39 / 74

Section 4367
Table 7-l. Output
Sharing Voltage
7.17 Test Procedure 6, Observe the following
when the after performing tests or
repairs which from the battery.
DANGER
through
be
mast started battery
the d&con-
nect charging the capacitors
CM
a) Ensure that DISCONNECT link
removed from its If DC output
leads were removed, them to appro-
priate terminals in the
b) If reference leads are extended to the bat-
tery, perform the
steps:
Remove the sensing
their storage terminals on card
Working with one lead at a tie. dis-
connect the remote sensing leads
from terminals 1 and 2 of
on
card Temporarily insulate
leads.
Connect the local sensing leads to
TB3, 1 and terminal 2
Insure that polarity is correct.
Install the option capacitor assem-
bly, Part No. 425101400. on the
edge connector of Regu-
lator and Alarm Circuit card A7.
Close the external AC disconnect device to
appiy input power to the rectifier.
Place the HVSD breaker toggle and
the POWER rocker switch to the ON posi-
tion. The should start, although the
LOW CURRENT ALARM and an extended
fail may be activated.
Waft for the voltmeter on the rectifier front
panel to indicate 52 volts. At this time, insert
BATTERY DISCONNECT link
Place the POWER switch to the OFF posi-
tion. reference leads extended to the bat-
tery or
are required. perform the
following steps. internal reference only is
required. disregard Steps 1) through 3)
which
then proceed Step
If to a
Qt the
extended
refer-
ence
cars in the
steps that the
shorted or to touch cabinet
DANGER
AC per-
haps
electrical shock is present at
that
contact
does not
Disconnect and temporarily insulate
the local reference leads from
terminals 1 and 2.
Working with one lead at a time, con-
nect the remote sensing
to
terminal 1 (+) and 2 Insure that
is correct.
I
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