BFGoodrich PS-823 - Special Tools, Fixtures and Equipment; 2. Tools And Test Equipment

BFGoodrich Avionics
Systems,
Inc.
Component Maintenance Manual
P/N
501-1075-()
Special
Tools,
Fixtures and Equipment
1. General
This section
provides
a
list
of
test equipment
necessary
for
maintenance of the
PS-823
Emergency
Power
Supply.
2. Tools And Test Equipment
Figure
901
provides a list of test
equipment
required
for
maintaining
the Emergency
Power
Supply.
Equivalent
test
equipment
may
be substituted
when
necessary.
OTY NAME
DESIGNATION
CHARACTERISTICS
l Power Supply
*PMC
Powermate BPA40G 12 Amp
28Vac Regulated Power Supply
1 Voltmeter/
Ammeter
*Fluke
8010 or
8050
Indicates true RMS voltage. /
0-5
Ampere
range
l Voltmeter
*Simpson
Model 260
or
270
I
Oscilloscope
*Tetronix
TDS
210
1
Load
Resistor R1
500
Ohm,
100 Watt
l
Load
Resistor R2
450
Ohm,
50 Watt
1
Load
Resistor R3
5
Ohm,
10 Watt
1
Load
Resistor R4
50
Ohm,
50 Watt
1
Lamp
*GE
No.
47
(DSl)
6
Volt,
150mA
l
Lamp
*CM327
(DS2) 28.0Volt,
40mA
1
Capacitor Cl
l800µF, 50WVde
1 Stopwatch
*Meylan
202A Elapsed time
reference
1
Frequency Meter
380-420Hz
Reed type
1 Test Panel BFGAS,
Inc. Model
JT-5B
Provides:
(Figure 901)
Emergency
Power
Supply P/N a. 28.0Vde Regulated
570-1426-02
b.
0-3A
Current
drain
c.
Monitors
voltage
of power
supply
batteries
and voltage to the
PS-823.
d.
Switched 25.0Vdc
to
inverter.
e.
Simulated
loads
of:
500
±25 Ohms,
50W
470 ±23.5
Ohms,
12W
f.
Test points
for
monitoring
connector pins.
*Or
equivalent
Tools
and
Test
Equipment
Figure
901
msmljtp202SpecialToolsdiskl59
24-20-03
Page 901
Revision
A
June
30,
1999