TM 11-5805-715-34/EE119-DB-MMI-010/E154 CV3478/TO 31W2-2TTC39-12
b. No more than three wires can be
b. Connector Plate Assembly Installation.
wrapped on a single pin; a wire that has been
(1) Install connector plate assembly using
clipped off and left in place counts as one of the
step a (5).
c. Unwrapping a clipped wire and sliding
(2) Connect P1(J5) and P2(J6) from rear
the top- most wire(s) down is not permissible. An
panel to connector plate and tighten
example is provided in figure 3-1 of a case where a
(3) Secure rear panel with the ten screws
example A. Wires A, B, and C must be removed to
(4) Connect P3(J7) from power supply to
connector plate and tighten jackscrews.
the new wires (AA and AC) installed, with the
(5) Secure power supply using the 12
exception of wire AB to pin 4.
connections are already in place (X, Y, and B cut-
end), these three connections must be removed to
(6) Connect signal cable from AN/TTC-39
permit wrapping wire AB. However, if wires X and
circuit switch to J2 and signal cable from
Y were to be replaced, a pyramiding condition
NATO to J3.
could be encountered where it may become
(7) Connect the ac power cable to the
impractical and too time consuming to replace all
power supply AC INPUT connector.
other affected wires; i.e., all other wires related to
wires X and Y replacement. A judgment is then
3-8. Pyramiding Wire Replacement
necessary before starting to replace any wire,
whether connector plate repair or replacement
When new wiring must be installed, the degree of
should be undertaken.
pyramiding must first be determined before
proceeding. The general restrictions are:
a. A wire that has been unwrapped cannot
be re- wrapped. If an adequate service loop is
available, the wire can be clipped and rewrapped; if
not, a new wire must be installed.