Figure 3-20. Receiver, Radio R-1467/GRC-144, top view, parts location.

TM 11-5820-695-35

Figure 3-20. Receiver, Radio R-1467/GRC-144, top view, parts location.

(d) Remove the two nuts, washers, and

(2) Replacement.

Perform steps (2) (a)

the shorting bar from the new meter terminals.

through (k) of paragraph 3-21b to replace indicator light

assembly 2A15A2XDS2 or 2A15A2XDS6.

(e) Connect the wire lugs removed in

step (1) (d) to their respective meter terminals and

c. Replacement

of Potentiometer 2A15A2R3

fasten lugs to terminals with the nuts and washers

Through 2A15A2R7 (fig.

3-18).

To remove a

removed in step (d).

potentiometer, remove equipment power (para 338a),

replace the defective potentiometer, restore equipment

(f) Place the shorting bar removed

power (para 3-8b), and then perform the applicable

from the new meter on the terminal lugs of the old meter

calibration procedure listed in the chart below.

and fasten in place with its terminal hardware.

POTENTIOMETER CALIBRATION

(g) Release the meter panel assembly

Potentiometer

Calibration procedure

2A15A2 and position it downward until it rests against

electrical equipment cabinet 2A15.

2A15A2RS, 2A15A2R4, Calibration of R-

(h) Secure meter panel assembly

1467/GRC

2A15A2 in place by finger tightening the two meter

2A15A2R5, and

144 local oscillator

panel captive screws.

2A15A2R6.

metering circuits.

(i) Calibrate receiver meter 2A15A2M1

(para 3-65).

(para 3-63).

2A15A2R7 ....................... Calibration of R-1467/

b. Replacement of Indicator Light Assembly

GRC-144 traffic

2A15A2XDS2 or 2A15A2XDS6 (fig. 3-8 and 3-18).

metering circuit

(para 3-64).

(1) Removal. Perform

steps

(1) (a)

through (j) of paragraph 3-21b to remove indicator light

assembly 2A15A2XDS2 or 2A15A2XDS6.

3-62