SUPPLEMENTARY TEST PROCEDURE 030 CLASS 7025

SB 740-91-01

SUPPLEMENTARY TEST PROCEDURE 030

CLASS 7025

Power Distribution Unit (PDU)

(Ref. Appendix A-62)

1. General

This procedure provides a description of special test equipment, fixturing, cabling, instrumentation, and instructions for

performing the inspection and evaluations applicable to Power Distribution Unit (PDU).

2. Test Equipment/Test Setup

All tests are to be performed under the following environmental conditions, unless otherwise stated:

23 + 10C (73+ 18F)

Temperature:

Relative Humidity:

80 percent maximum

All test equipment is to be energized for at least 30 minutes prior to utilization, unless otherwise specified in operating

manual for the test equipment.

All tests are to be performed in a electromagnetic shielded enclosure, if in a high RF field of interference.

Table B-1 list the test equipment, and Figure B-1, B-2, B-3, B-4 and B-5 illustrates the various test setups.

Table B-1.. Test Equipment for Procedure

Item

Technical Manual (Ref.)

Digital Voltmeter, Hewlett-Packard, Model 3439A

Power Supply, Hewlett-Packard, Model 6269B (PS1)

Power Supply, Hewlett-Packard, Model 6255A (2 required; PS1/PS2)

Megohmeter, James Biddle

High Current Jumper (Commercial)

Resistor, 130 ohm, 10%, 3W, (Commercial) (2 Required) NA

Battery, BB-590/U

3. Inspection Requirements.

The following mechanical-visual inspections are applicable to all Power Distribution Units series system, sets, units, and

assemblies and further define the coded inspection criteria given in appendix A.

(a)

Visual Inspection

(1)

All decals are in place and all nomenclature is legible.

(2)

All external connectors are securely mounted, free from

damage and missing pins, have protective covers installed.

Change 1 B-130.27