DAF CF65, CF75, CF85 Series . Manual - part 603
11
Relay
,main
switch
power
supply
Relay
G
367
is
a
bi-stable
relay
.I
fone
of
the
two
coils
is
briefly
energised,
the
relay
will
remain
in
this
position.
If
the
other
coil
is
energised,
the
relay
will
switch
over
and
then
remain
in
the
new
position.
Electrically
closing
the
main
switch
The
m
ain
switch
(D924)
can
be
closed:
-
electrically
in
the
cab
using
switch
C
853
-
elect
rically
on
th
e
chassis
using
swit
ch
C854
E501126
A
TTENTION:
Switches
C853
and
C
854
are
connected
in
series.
When
C853
or
C854
is
switched
on,
the
o
ther
switch
must
be
in
the
“main
switch
on”
position.
Switch
C853
(main
switch
in
cab)
connects
the
C
1
and
C2
connections
to
the
C
4
and
C5
connections
via
w
ire
4176,
contacts
5-7
of
switch
C853,
wire
4177,
contacts
1-2
of
switch
C854
and
wire
4178.
Relay
G
367
is
immediately
energised
through
wire
4174
and
connection
point
A3
(A3
is
connected
to
earth
in
the
unit
for
0.5
seconds).
This
connects
point
88a
to
88
of
relay
G
367.
The
positive
terminal
of
the
batteries
is
now
connected
to
the
vehicle’
s
power
supply
.
Immediately
after
switch
C
853
closes,
connection
point
C2
is
internally
connected
to
point
A7.
Connection
point
A5
is
connected
to
the
positive
terminal
via
w
ire
3173
after
connection
point
88
of
relay
G
367.
This
connection
transmits
a
signal
to
the
E
CU
to
indicate
that
relay
G
367
has
switched.
Closing
the
main
switch
electrically
on
the
chassis
NOTE:
S
witch
C
853
must
be
in
the
“main
switch
on”
position
(connection
b
etween
contacts
5
and
7).
Switch
C854
(switch
for
main
switch
on
the
chassis)
connects
the
C
1
and
C2
connections
to
the
C
4
and
C5
connections
via
w
ire
4176,
contacts
5-7
of
switch
C
853,
wire
4177,
contacts
1-2
of
switch
C
854
and
wire
4178.
Relay
G
367
is
immediately
energised
through
wire
4174
and
connection
point
A3
(A3
is
connected
to
earth
in
the
unit
for
0.5
seconds).
This
connects
point
88a
to
88
of
relay
G
367.
The
positive
terminal
of
the
batteries
is
now
connected
to
the
vehicle’
s
power
supply
.
Immediately
after
switch
C
854
closes,
connection
point
C2
is
internally
connected
to
point
A7.
Connection
point
A5
is
connected
to
the
positive
terminal
via
w
ire
3173
after
connection
point
88
of
relay
G
367.
This
connection
transmits
a
signal
to
the
E
CU
to
indicate
that
relay
G
367
has
switched.
The
m
ain
switch
(D924)
can
be
opened:
-
electrically
in
the
cab
using
switch
C
853
-
elect
rically
on
th
e
chassis
using
swit
ch
C854
Opening
the
main
switch
electrically
in
the
cab
E501126
NOTE:
S
witch
C
854
must
be
in
the
“main
switch
on”
position
(connection
b
etween
contacts
1
and
2).
Switch
C853
(switch
for
main
switch
in
cab)
disconnects
the
C
1
and
C2
connections
from
the
C
4
and
C5
connections
via
w
ire
4176,
contacts
5-7
of
switch
C
853,
wire
4177,
contacts
1-2
of
switch
C
854
and
wire
4178.
200520
2-29
Changes in the electrical system from
chassis number 0E626381
5
CHANGES IN THE ELECTRICAL SYSTEM
CF65/75/85 series ≥0E621376