DAF CF65, CF75, CF85 Series . Manual — part 551
10
1358030/26
EL001298
1
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
1000
1008
1008
9001
9307
9307
9307
1010
1000
1000
1010
1000
A500
1/416
1/417
E286
125A
2
1
!
1
638
20
555
30
87
G015
B525
A5/
598
D929
1010
1000
1000
1010
B010
30
2
C694
BD
+
G
200404
2-44
5
ELECTRICAL SYSTEM
Electrical system
CF65/75/85 series ≥0E621376
10
200404
2-45
Electrical system
5
ELECTRICAL SYSTEM
CF65/75/85 series ≥0E621376
10
2
A
LT
ERNA
TO
R/IGNITION/ST
ARTER
SWITCH/CHARGING
C
IRCUIT
CONT
ACT
CIRCUIT
If
accessories/ignition/starter
switch
C
539
is
turned
(contact
1
is
connected
to
pin
6),
the
“radio
accessories
power
supply”
relay
(G377)
will
be
energised.
V
oltage
is
now
applied
to
contact
1
of
relay
G377
through
fuse
E037,
wire
1100,
contacts
1
-
6
of
switch
C
539,
wire
1130.
When
G377
is
energised,
a
connection
is
made
between
contacts
3
and
5
of
G
377
and
a
voltage
is
switched
from
the
converter
to
the
radio.
ST
ARTING
C
IRCUIT
If
the
ignition
switch
C539
is
turned
(contact
1
is
connected
to
4),
both
contact
relay
G015
and
G426
will
be
activated
via
wire
4001.
If
the
ignition
sw
itc
h
is
turned
to
the
“s
tart”
position,
a
contact
is
m
ade
in
this
switch
between
contacts
1
and
2.
The
power
is
now
supplied
from
the
batteries
through
fuse
E037,
the
connection
1
-
2
from
the
accessories/ignition/starter
switch
and
wire
4004
on
connection
point
A3
of
the
alarm
syst
em.
When
the
alarm
system
has
been
switched
of
f
using
the
remote
control,
or
by
activating
the
contact
(the
immobiliser
switches
the
alarm
of
f
via
C
AN),
wire
4004,
connection
point
A3,
is
connected
to
w
ire
4004,
connection
point
A1.
The
coil
of
relay
G203
will
be
activated.
This
closes
connection
30
-
87.
A
voltage
is
now
applied
to
connection
point
50
of
the
starter
motor
,through
fuse
E037,
wire
1100,
relay
contacts
30
-
87,
wire
4002,
causing
the
starter
m
otor
to
turn.
When
the
alarm
has
been
switched
of
fand
the
door
has
opened,
the
start
interrupter
will
be
deactivated
for
60
seconds.
If
the
engine
is
not
started
w
ithin
this
time,
the
start
interrupter
is
reactivated.
If
the
alarm
is
switched
of
fand
the
doors
are
not
opened,
the
start
interrupter
remains
deactivated
for
9
minutes.
If
the
vehicle
has
an
A
S
Tronic
g
earbox
If
the
vehicle
has
an
AS
Tr
onic
gearbox,
relay
G185
is
also
fitted.
When
the
contact
is
switched
on
and
the
gearbox
is
in
neutral,
relay
G
185
will
be
energised.
The
voltage
is
now
applied
to
the
coil
of
relay
G203
through
wire
4004,
contacts
30
-
87
of
relay
G
185,
wire
4186,
contacts
3
-
4,
wire
4009.
This
relay
is
energised.
A
voltage
is
now
applied
to
connection
point
50
of
the
starter
m
otor
,t
hrough
E037,
wire
1100,
contacts
30
-
87
and
wire
4002,
causing
the
starter
m
otor
to
turn.
As
soon
as
the
m
otor
turns,
the
V
IC
applies
a
voltage
to
connection
point
C42.
The
voltage
is
then
applied
to
connection
point
1
of
relay
G372
via
w
ire
3157.
This
relay
is
energised,
breaking
the
starting
circuit.
Note: When
the
immobiliser
applies
a
voltage
to
wire
4009,
the
cab
heater
is
also
switched
of
f
if
the
vehicle
m
ust
m
eet
requirements
for
the
transportation
of
hazardous
substances.
CHARGING
C
IRCUIT
If
the
contact
is
activated,
there
is
voltage
on
connection
point
85
of
relay
G
426.
This
relay
is
activated.
V
oltage
is
now
applied
to
connection
point
15
of
the
alternator
through
fuse
E037,
contacts
30
-
87
of
relay
G426,
fuse
E350
and
wire
1380.
An
internal
resistor
in
the
alternator
is
energised
by
an
IC
in
the
carbon
brush
holder
.
This
resistor
ensures
that
a
low
level
of
current
passes
through
the
energising
resistor
.T
his
excites
a
magnetic
field
in
the
alternator
.
After
starting,
the
voltage
on
terminals
B
+
and
15
will
rise
to
about
28.5
V.
O
nce
this
voltage
is
reached,
the
IC
in
the
regulator
interrupts
the
pre-exciter
coil
to
enable
the
voltage
to
be
regulated.
The
m
agnetic
field
w
ill
now
disappear
,s
o
that
the
generator
will
not
be
energised
for
a
short
period
of
time.
As
a
result,
the
voltage
on
outputs
B
+
and
15
will
drop.
200404
2-46
5
ELECTRICAL SYSTEM
Electrical system
CF65/75/85 series ≥0E621376
10
The
regulator
reactivates
w
hen
the
voltage
drops
below
27.6V
.T
his
m
eans
that
the
voltage
supplied
by
the
generator
remains
relatively
constant.
T
he
batteries
are
supplied
through
the
B
+
generator
output.
The
alternator
charging
current
warning
lamp
is
activated
via
wire
1020,
which
is
connected
to
the
V
IC
(D900).
T
he
VIC
controls
the
D
IP
via
the
CAN
network.
T
he
voltage
on
wire
1020
is
switched
by
the
control
IC.
The
alternator
is
also
equipped
with
a
‘sens’
line.
This
connection
continuously
measures
the
voltage
on
connection
point
30
of
the
starter
motor
.If
the
voltage
on
connection
point
30
drops,
the
voltage
is
immediately
corrected
by
the
control
IC.
The
alternator
will
increase
the
voltage
until
a
value
of
28.5V
is
reached
again.
VARIANTS
Location 44/46
If
NO
alarm
syst
em
is
fit
ted,
wires
4004
and
4004A
are
connected
through
in
connector
574.
51
Only
for
A
S
Tronic.
200404
2-47
Electrical system
5
ELECTRICAL SYSTEM
CF65/75/85 series ≥0E621376
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