TEST PROCEDURE 001 SPECIAL TEST EQUIPMENT

SB 740-91-01

TEST PROCEDURE 001

SPECIAL TEST EQUIPMENT

1. General

This procedure provides a description of thirteen (13) special test equipment fixturing, cabling, and apparatus used

in the performance of electrical tests on CECOM materiel items within FSC Class 5820 (Radio and Communication

Equipment). Included are instructions, materials, and components for construction of each of the test equipment along

with its schematical representation. No special operating or calibration procedures are required, and instructions for each

test equipment are de- tailed in the individual test procedures.

2. SSS-013-002-1 Test Box.

a. Materials Required.

(1)

Connector, P1, U-229/U, 1 each, 5935-00-992-2036

(2)

Connector, Jl, J2, J3, and J4, UG-447/U, 4 each, 5935-00-259-3880

(3)

Resistor, R3, 150 ohms, 1 percent, 1 W, 1 each, 5905

(4)

Resistor, R4, lk ohms, 1 percent, 1 W, 1 each, 5905-00-892-6330

(5)

Resistor, R2, 15k ohms, 5 percent, 1 W, 1 each, 5905-00-102-2824

(6)

Potentiometer, Ri, 15k ohms, 5 percent, 1 W, 1 each, 5905-00-892-6543

(7)

Toggle switch, S1, single pole, single throw, 1 each, 5930-00-570-2359

(8)

Aluminum container, approximately 6 x 2.5 x 2.5 inches, 1 each

(9)

Grommet, rubber with 0.25 inch hole per MS-35489-6, 1 each

(10)

Wire, stranded, No. 8 AWG, 15 feet, 6145-00-160-5291

(11)

Knob for potentiometer, 1 each.

b. Construction.

(1)

Make all ground terminations to container.

(2)

Wire from test box to U-229/U will be through the rubber grommet for a

length of 3 feet. The wires will be taped and laced, as required, to

preclude shorts and opens.

(3) Mark containers as follows:

(a) SSS-013-002-1 Test Box

(b) J1 Audio In

(c)J2 Mic In

(e) J3 Audio Out

(e) J4 Return GD

(f) S1 Open and Closed

B-21