C2,TM 9-2320-211-20
c. Polarization.
2-132. G e n e r a t o r R e g u l a t o r
CAUTION
Do not start the engine until the generator
a. Removal.
has been polarized.
(1) Disconnect the battery ground cable at the
(1) Disconnect the wiring harness from the
battery.
connector at the generator.
nut
(2) Remove
the connector
of
the
(2) Using a jumper wire with suitable prods,
generator-to-regulator harness, and carefully pull
momentarily connect the field terminal at the
the harness from the regulator.
generator receptacle to the positive ( + ) terminal on
(3) Disconnect the battery harness in a like
the battery.
manner at the regulator.
NOTE
( 4 ) Remove the four bolts, nuts, and lock-
This connection allows a momentary surge
w a s h e r s securing the regulator to the mounting
of battery current to flow through the
bracket. Remove the regulator.
windings
which
field
generator
b. Installation.
the
automatically
gives
generator
CAUTION
the
c o r r e c t polarity with respect to the bat-
Do not start the engine until the generator
teries.
has been polarized.
the
wiring harness at the
( 3 ) Connect
( 1 ) Position the generator on the mounting
generator, and tighten the connector nut.
bracket so that the harness connectors are facing
down. Secure it to the bracket with four bolts, lock-
washers, and nuts.
(2) Connect the battery harness to the four-
contact connector of the regulator by tightening the
connector nut.
(3) Connect the generator-to-regulator
h a r n e s s to the three-contact connector in a like
manner.
(4) Connect the battery ground cable to the
n e g a t i v e (--) post of the battery.
( 5 ) Polarize the generator (para 2-131 c ) .
Figure 2-152. Generator
2-133. G e n e r a l
u n i t , and blackout taillights. On some vehicles
directional signal lamps are installed in the parking
a. Batteries. T w o 1 2 - v o l t . lead-acid type bat-
and taillight assemblies.
teries are connected in series to supply the 24 volts
required to start and operate the engine and lights
w h e n current requirements exceed the generator
WARNING
output.
When removing the battery cables,
b. Lights. All service lights are waterproofed,
d i s c o n n e c t the ground cable first. W h e n
and include headlights, parking lights, stoplights,
installing the battery cables, connect the
and taillights. Also included with the service lights
ground cable last. When two ground cables
is a blackout lighting system consisting of a seal
are used, both cables must be disconnected
beamed driving light unit, marker lights contained
prior to working on the equipment where
within the regular parking light units, a stoplight
