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Page Title:
Battery charging circuit current limit |
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|  MIL-P-45969B (AR)
Battery charging circuit current limit.
(2)
(a) Connect a 5,000 mfd capacitor and external load
with a 0 to 50 ampere ammeter between pins B and
E on connector J101 on the distribution box as
shown in Figure 2.
(b) Increase the load. The current limit shall occur
between 7 to 13 amperes.
d.
Distribution box voltage measurement.
(1)
Place voltmeter SELECTOR switch on the distribution
box to the 28 volt DC buss position.
(2) When the selector switch on the power supply
control panel is in the DC POWER SUPPLY position,
the voltmeter on the distribution box shall
indicate the power supply output voltage.
(3) Rotate DC voltage adjust rheostat to adjust the
output voltage of the power supply to 28 volts DC
as indicated on the distribution box voltmeter.
(4) When using an external voltmeter, the following DC
voltage shall be at the points specified in the
following table:
Positive
Negative
Meter
Meter
Voltage
2 VDC)
CB
Probe
Probe
Reading
Position
J107-A
J107-B
28
VDC
J106-A
J106-B
28
VDC
J103 Top Left
J103 Bottom Left
28
VDC
J103 Top Right
J103 Bottom Right
28
VDC
TJBPI
TJBP4
28
VDC
CB1-1N
J102-P
J102-H
28
VDC
CB1-1N
TJBP2
TJBP5
28
VDC
CB2-1N
J102-0
J102-H
28
VDC
CB2-1N
J102-R
J102-Y
28
VDC
CB3-1N
TJBP 3
TJBP6
28
VDC
CB4-1N
J102J
J102-Y
28
VDC
CB4-1N
(5)
Place SELECTOR switch on the control panel to the
OFF position.
When the MASTER switch Is in the OFF position, the
(6)
green indicator on the control panel shall
extinguish.
(7)
Replace all covers and housings and clean and flush
the hydraulic system in accordance with Drawing
B11011289.
12
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