Volvo 819 E Service Manual page 71

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Group
Ignition systems
28
General
instructions
70
Important
Warning!
The ignilion
dangerous
tension
Dangerous
system,
Switch off the ignition:
when
connecting and
ments
-
when
disconnecting and
un
it
connector
when d
coil
and
Battery
- Do
not disconnect the
n
ing.
-
Disconnect
- Do
not use
higher than
Control unit
-
Remove the control unit
stoving
above
+
Disconnect the control unit
out
electric-arc
-
Remove the
arc
welding
Do not repla
wiring
and
unit may suffer
Battery
It
essential
not too
lowl
battery
charger
testing. Max. permissi
12 A
and
NOTE:
Do
system operates
voltage levels
in both
circuits.
voltages
are present at
including connectors
disconnecting
reconnecting
isconnecting and
reconnecting the ignition
spark
plug
leads.
leads
when the engine is
the
leads
when using a boost
a
boost charger or a voltage source
16 V
when
jump
starting.
e.g.
operation
.
The
unit must not be heated
80°C.
connectOr
welding
.
control unit
when
in its vicinity.
ce
the
control
unit without
componen
t
s,
otherwise
the
same damage.
that the
battery vol
when
testing the
various
may be
connected,
ble
chargi
16
V.
not
use a
boost
charger.
at high power and
the low and
high-
all
points
of
the
etc.
test
instru-
the control
run-
charger.
when
ca rrying
out
a
when carrying
carrying
out electric-
checking
all
the replacement
be normal
tage
(i.e.
components.
A
as required, during
ng currentlvoltage

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