Receiver, Radio R-1467(P)GRC-144(V) and R-1467(P)A/GRC-144(V) Repairs

TM 11-5820-695-35

Replacement

Connector

With

(a) The 5 AMP SLO-BLO neon fuse indicator

Nonremoveable Contacts. The individual contacts of

on meter panel assembly LA1lA8 is not lighted.

these connectors cannot be removed. Therefore, the

connector must be replaced when any of the connector

(b) All power supply 1Al indicator lamps are

contacts or pins, or the connector itself is defective or

lighted green.

damaged.

Replacement of the connector is

accomplished by transferring each lead from the

frequency synthesizer 1'A,14 are lighted green.

defective connector to the identical terminal contact on

the replacement connector. The general information

(4) Set the POWER ON/OFF switch on meter

provided in the parts replacement techniques (para 819)

panel assembly 2A15A2 to ON.

should be reviewed before replacing this type of

connector. Care should be exercised when unsoldering

(5) Make the following checks on R-1467(P)/

individual wire leads from the connector terminals to

GRC-1440V): (a) The SDO-B3O POWER 5 AMP and

prevent scorching or burning through the insulation of

TDA 1 AMP neon fuse indicators on meter panel

adjacent wire leads. Do not overheat the connector

assembly 2A15A2 are not lighted.

terminal and wire lead which would cause solder to flow

upward along the individual strands of wire resulting in a

(b) All power supply 2A1 indicator lamps are

stiff and brittle lead that could easily break or snap when

lighted green.

used with the replacement connector.

frequency synthesizer 2A14 are lighted green.

3-38. Receiver, Radio R-1467(P)GRC-144(V) and R-

NOTE

1467(P)A/GRC-144(V) Repairs

Radio communications can normally

be established 5 to 10 minutes after

Procedures required to remove or replace parts

the AN/GRC-144(V) radio sets are

which are not obvious or require special handling

turned on if the ambient temperature

are given in paragraphs 3-39 through 862. Prior to

in the shelter is maintained above

removal or replacement of any part in the R-

+70 degrees Fahrenheit.

1467(P)/GRC-144(V) or R-1467(P)A/GRC-144 (V)

procedures for power removal given in paragraph 3-38a,

3-39. Replacement of Parts on Meter Panel

unless otherwise stated, must be performed.

Assembly 2A15A2 (fig. 3-17 through 3-19)

Procedures for restoring power are given in b below.

Prior to removing and replacing parts on meter panel

Procedures for removal and replacement of components

assembly 2A15A,2, perform the procedures listed in

with rigid coaxial cables are covered in TM 11-5820-

paragraph 3-88a to remove equipment power. After a

695-12.

part is replaced, perform the procedures in paragraph 3-

38b to restore equipment power.

a. Remove Power.

a. Replacement of Meter 2A15AIM1 (fig. 3 17 through

(1) Set the POWER ON/OFF switch on meter panel

3-19).

assembly 2A15A2 to OFF (fig. 317).

(2) Set the POWER ON/OFF switch on meter panel

(1) Removal.

assembly 1A46A8 to OFF (fig. 3-1).

(3) Disconnect the external ac power source cable

(a) Loosen the two meter panel captive

from AC POWER INPUT connector 2A15 A6J5 located

screws (fig. 3-17).

on the top rear section of electrical equipment cabinet

(b) Swing the meter panel assembly 2A15A2

2A15 (fig. 3-20).

upward and lock it in an upright position by use of the

panel locking latch (fig. S-19).

b. Restore Power.

the meter terminals.

(1) Reconnect the external ac power source

(d) Tag and remove the wire lugs connected

cable to AC POWER INPUT connector 2A,16A5J5

to the meter terminals.

located on top rear section of electrical equipment

(e) Release the meter panel assembly

cabinet 2A15.

2A15A2 and position it downward until it is perpendicular

(2) Set the POWER ON/OFF switch on meter

to electrical equipment cabinet 2A15. Support or tie

panel assembly 1A15A8 to ON.

meter panel assembly 2A15A2 in the perpendicular

(3) Make the following checks on T-1054

position.

(P)/GRC-144(V) or T-1054(P)A/GRC-144(V).

Change 6

3-58