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 SB 740-91-01
4. Electrical Tests.
The following tests are to be performed, using the applicable data sheet (figure B-1 for
Step
Settings and Instructions
Normal Indication
1
BCU Power Continuity
(a)
Check that PDU power is off.
(b)
Set Circuit breaker (CB1) to ON.
Connect multimeter between
indicated pints and observe
resistance valves.
From
To
(1)
J1-A
J3-A
1 ohm, Max
(2)
J1-A
J4-B
1 ohm, Max
(3)
J1-A
J5-A
1 ohm, Max
(4)
J1-A
J6-A
1 ohm, Max
(5)
J1-A
J6-B
1 ohm, Max
(6)
J1-A
J6-D
1 ohm, Max
(7)
J1-A
J6-F
1 ohm, Max
(8)
J1-A
J6-G
1 ohm, Max
(9)
J1-A
J6-J
1 ohm, Max
(10)
J1-A
J6-L
1 ohm, Max
(11)
J1-A
J6-U
1 ohm, Max
(12)
J1-A
J6-Y
1 ohm, Max
(13)
J1-B
J3-C
1 ohm, Max
(14)
J1-B
J4-A
1 ohm, Max
(15)
J1-B
35-B
1 ohm, Max
(16)
J1-B
J6-C
1 ohm, Max
(17)
J1-B
J6-E
1 ohm, Max
(18)
J1-B
J6-H
1 ohm, Max
(19)
J1-B
J6-K
1 ohm, Max
(20)
J1-B
J6-T
1 ohm, Max
(21)
J1-B
J6-V
1 ohm, Max
(22)
J1-B
J6-W
1 ohm, Max
(23)
J1-B
J6-X
1 ohm, Max
(24)
J1-B
J6-Z
1 ohm, Max
2
AUX Power Contunity Test
(a)
Connect multimeter between
indicated points and observe
resistance values.
(1)
J2-A
J7-B
1 ohm, Max
(2)
J2-B
J7-A
1 ohm, Max
Change 1 B-130.29
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