CHAPTER 5
REPAIR OF ELECTRICAL COMPONENTS
Section I. POWER PLANT ELECTRICAL INSTALLATION
operating or from any other
5-1. General
electrical power source. Failure
a The power plant electrical installation includes
to observe this warning may lead
all wire harness assemblies (except those located on the
to serious injury or death to
engine and skid), the instrument panel, the conditioned
personnel.
air electrical components panel, the auxiliary power tray,
the receptacle panel assembly, and the conditioned air
5-2. DC Power Branched Wire Harness Assembly
temperature control panel. These components control
(13217E4147)
and deliver power for the 400 Hz and 60 Hz AC
electrical systems and the DC electrical system.
a. Removal.
Refer to figure 5-1; tag and
disconnect the DC power branched wire harness
assembly as follows: (1) Remove the terminal board
instructions for the interconnecting wire harness
cover from terminal board (TB2) located on the inboard
assemblies. The panel wire harness assemblies are
wall of the No. I system condenser compartment.
included in repair instructions for the panel where they
are located. Repair instructions for all single wire
electrical leads used in the unit are provided in
(1) Remove three nuts, screws, and washers
and remove the terminal board.
(2) Remove
lockwire
and
disconnect
c. Wiring diagrams for the wire harness and panel
connector P38 (engine skid wire harness). Remove
assemblies included in this section are provided in TM
connector J38 from the floor of No. 1 system condenser
5-6115-586-12. Refer to the wiring diagrams as an aid
compartment by removing four nuts and screws and
to testing, repair, and installation. Wire run charts are
eight washers.
provided in this section for individual wire harness
(3) Disconnect wires to switches (S27 and
assemblies. Wires are identified in accordance with
S33). Remove lockwires and disconnect the eight "plug-
Refer also to TM 5-6115-586-12 for
type" wire harness connectors.
schematics of the electrical system.
(4) Remove six wire harness clamps, noting
the position of the clamps and routing of the wire
Warning
harness.
Before maintenance is performed
on any electrical component, the
(5) Remove the wire harness.
power plant shall be shut down
and shall be disconnected from
another power plant that is
5-1
