TM 5-6115-400-12
Section XIV. GENERATOR CONTROLS AND INSTRUMENTS
wire of the same gage and insulation to
3-67. Wiring
the proper terminals. Refer to the wiring
diagram (fig. 1-3) and properly tag both
ends of all replacement wires. Always
a. General. The wiring diagram (fig. 1-3) should
replace any braided shielding removed
be consulted when work on the electrical system is
from wiring or cables during repair of
necessary.
electrical systems.
Caution: Do not pull the cable or
Caution: As a precaution against short circuits,
twist the braided shielding of cables
disconnect the battery ground cable from the
having braided metal covering. Carefully
batteries before inspecting, testing or replacing any
work the cable from side to side until the
wiring.
braided shielding is sufficiently loose to
allow removal of the cable.
b. Inspection.
3-68. AC Ammeter
(1) Remove any dust and dirt from the wiring
with a clean, dry cloth.
Removal and Installation. Refer to figure 3-57 and
(2) Inspect the insulation for cracks, breaks,
remove the ac ammeter.
or fraying. Pay particular attention to
places where wires pass through holes or
3-69. Voltmeter
over rough edges. Wrap cracked or
frayed areas with an approved electrical
Removal and Installation. Refer to figure 3-57 and
tape. Repair or replace a defective wire.
remove the voltmeter.
(3) Inspect the terminals for cracks, splits,
and corrosion.
Replace a defective
3-70. Ammeter-Voltmeter Selector Switch
terminal.
Removal and Installation. Refer to figure 3-57 and
remove the ammeter-voltmeter selector switch.
c. Testing. To test a wire for continuity, disconnect
each end of the wire from the component to which it is
3-71. Frequency Control Rheostat
attached. Touch the probes of a multimeter to each end
of the wire. If continuity is not indicated, the wire is
Removal and Installation. Refer to figure 3-57 and
defective and must be replaced.
remove the frequency control rheostat.
d. Repair.
3-72. Voltage Control Rheostat
(1) If a broken wire is accessible, remove
Removal and Installation. Refer to figure 3-57 and
sufficient insulation from each side of the
remove the voltage control rheostat.
break to allow a good connection of the
bared ends by twisting them together.
3-73. Switches
Solder the connection and wrap with
electrical tape.
Removal and Installation. Refer to figure 3-57 for
(2) If a wire is broken from a terminal
removal of the ac circuit breaker switch, panel light
connector, replace the connector.
switch, voltage sensing switch, parallel operation switch,
or the protection bypass switch.
Caution: Under no condition, leave
the bare connection exposed.
3-74. Fault Indicator Panel
Removal and Installation. Refer to figure 3-58 for
(3) If a break in the wire is inaccessible and
removal of the fault indicator panel.
the wire is not part of a wiring harness,
disconnect and remove it. Connect a new
3-60