Datsun 510 Workshop Manual page 47

Maintenance & repair 1969-1973
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IlectricallJStem
GENERATOR
A
E
CONNECTOR
WI RE HARNESS
Short
ircuit
h
between
fuse side terminel and
H
terminal of
ammeter
before
starting
the
operation
RESISTOR FOR
BATTERY
V
MEASUREMENT
AMMETER
VOLTMETER
IDA
IJOV
Rg
85
Measuring Regulator Voltage
with
Regulator
on
Vehicle
I
Start
engine
2
Rotate
ngine
at
2 500 rpm for several minutes
After
racing for
several minutes ammeter
reading
Afler
racing
for several minutes
ammeter
below SA
readi n g over
SA
FuUy charged battery
available
Fully charged battery
not
available
I
Replace
with
fuUy charged
battery
I
Connect
a
0 25 ohm resistor in series
2
Check
to
see
if
current
falls below SA
I
1
Current falls below SA
Current does
nol
fall below SA
Recharge
battery
and
see
if current falls below
SA
T
I
Reduce
engine
speed
to
idling
and then raise it
to
2
500
rpm while
observing needle
of voltmeter
I
1
Needle of voltmeter
held
within limits shown in the below
Needle
of
voltmeter out
of
limits shown in
table
lhe
following
chart
Regulator functioning properly
Regulator
ou
or
order
Have it
repaired
at
authoriled
shop

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