Regulator
group
repairs.
For
ihose
groups
with
numbers
from
088918
up,
{he
resistance
being
decreased,
the
current
shall
increase
up
to
5
A,
approximately,
and
the
voltage
decrease
down
to
24
V.
in
most
cases
when
the
unit
does
not
perform
correctiy,
it
is
advisable
to
substitute
it
instead
of
attempting
to
repair
and
calibrate
it.
Exceptionaily,
ii
in
need
of
repair,
follow
the
bench
checks
already
described;
successively,
according
to
the
data,
obtained
replace
the
resistance,
Fig.
146,
and
faulty
elements.
Always
replace
complete
units.
v
Components
elements
as
wet!
as
resistances
should
be
kept
into
suitable
containers,
which
prevent
their
being
damaged
deformed,
smeared
by
grease
or
foreign
matter,
etc.
Fig.
‘I46.
-
Regulator
group
bottom
view.
1-2.
Screw
and
nut,
fastening
the
resistance
-
3-4.
Nut
and
cup
fastening
the
cut-out
reiay
-
5.
Nut
fastening
the
voltage
regulator
-
8-'1.
Nut
and
cup
fastening
the
current
regulator.
new
%=~@
we
1'0
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s
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Note.
~
Mosi
taiiu-res,
especialiy
the
important
ones,
such
as:
—
excessive
wear,
or
cut-out
relay
contact
sticking;
—-
oxidation
of
voitage
and
current
regulator
points;
--
burnt
or
fitted
points;
—
short-circuited
coils;
—
coil
burning;
may
be
due
to
causes
originating
outside
the
regulator
group
and
chiefly
to
generator
rnisiunc-
tion,
as,
for
example,
to
field
winding
resistance
alteration,
impaired
circuits
(cables,
etc.).
Therefore
the
operator
should
make
the
group
operate
correctly,
but
in
addition
extend
his
checking
to
the
generator
and to
the
charging
system.
_
6:-
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of
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/
Fi9-
147-
-
Reeufator
Qrfitip
{up
to
No.
essem
as
seen
from
cut-out
relay.
1.
Terminal
tube
31
i_or
shunt
winding
end
-.2,
Terminal
tube
at
-
3.
Terminal
tube
30.
I‘
94
~:$
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kn
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=
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I ,
:
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-
via
.
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1
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Fig.
£48,
-
Regulator
group
(up
to
No.
688917)
as
seen
from
voltage
regulator
side.
1.
Terminal
tube
31
-
2.
Terminal
lube
51
-
3.
Terminal
tube
an
-
4.
Connection
from
current
regulator
to
voltage
regulator
-
5.
Current
regulator
series
winding
and
~
6.
Connection
of
reguiator
to
the
adiustment
resistance.
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