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.5
d
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<;,<»-*3‘
._
,...__.-..,__
-
__o4.mc,p3ag\;_\;§sn»;a~m;s»urunuqr¢;»_m;\,,$};§M,;,_;
._
“kg”,
.__,_,w_
‘=,__m“w
3,
Th
esistance
value
is
73
to
77
ohms
at
29°C
(sew
F),
ii
{he
cut-out
contact
closing
Vglfage
53
fmmd
R,
e
r
be
low
or
the
conlacis
remain
open
even
at
high
generator
speed,
check
the
resistance
(11,
Fig.
139)
to
!
ascertain
whether
the
cause
musi
be
attributed
lo
altered
value
or
to
an
interruption
of
the
wire.
Fig.
159.
-
Botfiom
view
of
ihe
comb-oi
box
GP
1124,17.
B.-
Regulation
resistance
»
7.
Additional
resisiance
connected
to
the
vollage
regulator
winding
-
18.
Damping
resistance
shunted
across
the
generaior
between
current
regufator
and
ground
-
11.
Addiiional
resistance
for
current
regulator
and
out-out
relay
shunt
windi:-|gs~
38.
Electrical
equipment
terminal
-
51.
Terminal
connected
to
the
positive
pole
of
the
generator
~
67.
Terminal
connected
to
the
generator
field
winding.
of
a
coii
short
the
value
of
the
resistance
decreases
while
the
current
regulaéor
and
out-om
in
case
,
relay
shunt
winding
absorbs
more
(as
the
resistance
is
connected
in
series
to
these
windings
and
closes
‘
'
1
h
r
t
the
circuit
to
ground)
that
is,
it
creates
a
greater
pull
on
the
armatures,
partacuiary
on t
e
cu
-ou
one,
where
the
magnetic
effect
is
greater
and
therefore
the
contacts
close
at
a
lower
voitage.
"houid
the
resistance
wire
be
interrupted,
the
cutout
and
current
regulator
shunt
windings
have
no
o.
.
current
flowing
through
them
as
the
circuit
is
not
closed
across
the
generator
casing,
therefore
the
tout
contacts
remain
open,
which
is
signaled
on
the
dashboard
by
the
battery
charge
warning
lamp
cu
~
which
remains
lighted.
Resistance
trouble
has
no
effect
on
the
current
regulator.
The
resistance
value
is
73
to
T7
ohms
at
20°
C
(E8°
F).
Replacing
one
resistance
calls
for
repiacemeni
of
the
other
one,
too.
To
replace
them
proceed
as
for
resistances
6
and
10.
Conirol
box
seiting.
The
setting
of
the
control
box
on
the
test
bench
should
be
performed
without
the
cover,
placing
the
box
verticaliy
w§th_ihe
terminals
facing
downwards.
Cautions:
if
the
control
box has
remained
for
a
certain
iength
of
time
at
ambient
temperature
below
-
|
0
-“
Q
15°
C
(590
F}
or
above
85°
C
(95°
F),
place
it
for
about
one
hour
at
a
temperature
of25°I10°
C
07°:
:10
F).
Wire
the
control
box
according
to
the
diagram
of
Fig,
160
and
p/ace
the
insfrumenis
as
follows:
-
potentiometer
P
at
minimum
(1/oiifmefer
at
zero);
—
switch
T
open;
-.~
rheosiai
R
all
on
(max.
resisiance);
~
swiich
T1
open.
7)
Contact
poinis
closing
voltage
(at
a
femperature
of
25°i
70°
C
2
77°7’;5O°!-‘j.
Close
switch
T.
Stabiffze
the
temperature
of
fhe
unit,
equipped
with
its
own
cover,
by
feeding
it
ior
about
75
‘£0
18
minutes
at
a
voltage
of
2
30
l/.
through
potentiometer
P;
Cui~ou?t
reiay
setting.
iO5
c
§
Q
“eve-.~,,.»,_»,_,,_»_,+,~.~,.-i_,_.,._.l.,..~,
-?.<.,__.W.~,..~.._...w
1
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