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Page Title: Receiver, Radio R-1467(P)GRC-144(V) and R-1467(P)A/GRC-144(V) Repairs
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TM 11-5820-695-35
f.
Replacement
of
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
(c) 6V and 28V indicator lamps on electrical
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.
(c) '5V and 28V indicator lamps on electrical
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
on the top rear section of electrical equipment cabinet
(b) Swing the meter panel assembly 2A15A2
upward and lock it in an upright position by use of the
panel locking latch (fig. S-19).
b. Restore Power.
(c) Remove the two nuts and washers from
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


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