DAF CF65, CF75, CF85 Series . Manual - part 784
11
Electrically
closing
the
main
s
witch
The
m
ain
s
witch
(D924)
can
b
e
c
losed:
-
Electrically
in
the
c
ab
using
s
witch
C
853
-
Electrically
on
the
c
hassis
u
sing
switch
C854
A
TTENTION:
Switches
C853
and
C854
are
c
onnected
in
series.
When
C853
or
C854
is
switched
on,
the
o
ther
switch
must
be
in
the
‘main
s
witch
o
n
’
position.
When
C853
or
C854
is
operated,
the
C
1
and
C2
connections
are
c
onnected
to
the
C4
and
C5
connections
through
wire
4176,
contacts
5-7o
fs
w
it
c
hC
853,
wire
4177,
contacts
1
-
2
of
switch
C854
and
wire
4178.
Relays
G367
and
G368
are
immediately
energised
through
wire
4174
and
connection
point
A3
(A3
is
c
onnected
to
earth
in
the
unit
for
0
.5
seconds).
This
connects
point
88a
to
88
of
relays
G367
and
G368.
The
positive
and
the
negative
poles
of
the
batteries
are
now
connected
to
the
vehicle
’s
power
supply
.
Immediately
a
fter
s
witch
C
853
closes,
connection
point
A7
is
internally
connected
to
earth.
Connection
point
A5
is
connected
to
the
positive
pole
v
ia
wire
3173
and
fuse
E330
after
c
onnection
point
88
of
relay
G
367.
This
connection
transmits
a
s
ignal
to
the
E
CU
to
indicate
that
relay
G
367
has
switched.
Electrically
opening
the
main
s
witch
The
m
ain
s
witch
(D924)
can
b
e
opened:
-
Electrically
in
the
c
ab
using
s
witch
C
853
-
Electrically
on
the
c
hassis
u
sing
switch
C854
A
TTENTION:
Switches
C853
and
C854
are
c
onnected
in
series.
When
C853
or
C854
is
switched
on,
the
o
ther
switch
must
be
in
the
‘main
s
witch
o
n
’
position.
When
C853
or
C854
is
operated,
the
C
1
and
C2
connections
are
d
isconnected
from
the
C4
and
C5
connections
through
wire
4176,
c
o
n
ta
c
ts
5-7o
fs
w
it
c
hC
853,
wire
4177,
c
o
n
ta
c
ts
1-2o
fs
w
it
c
hC
8
5
4
a
n
d
w
ir
e
4178.
T
w
o
a
ctions
are
c
arried
out
immediately
a
fter
switch
C853
is
opened:
1.
Connection
point
A7
is
disconnected
from
earth
(A2)
in
the
unit.
If
the
engine
is
running,
it
is
switched
of
f.
2.
After
a
delay
of
approx.
6
seconds,
relays
G367
and
G368
are
connected
to
earth
in
the
unit
for
approx.
0
.5
seconds
via
w
ire
4175
and
connection
point
A4.
T
his
breaks
the
connection
between
points
88a
and
88
of
relays
G367
and
G368.
The
batteries
are
now
disconnected
from
the
v
ehicle
’s
power
supply
.
Connection
point
A5
is
connected
to
the
positive
pole
v
ia
wire
3173
and
fuse
E330
after
c
onnection
point
88
of
relay
G
367.
This
connection
transmits
a
s
ignal
to
the
E
CU
to
indicate
that
relay
G
367
has
switched.
Note:
When
one
of
the
s
witches
(C853
or
C854)
that
activate
the
e
lectronic
unit
(close
m
ain
switch)
is
operated,
relays
G
367
and
G368
are
a
ctivated
after
approximately
3
seconds.
If
one
of
the
s
witches
is
operated
again
w
ithin
the
3
s
econds,
the
electronic
unit
(D924)
will
select
the
priority
‘main
switch
ON
’.
200332
ᓻ
2-27
Changes in the electrical system from chassis number 0E570448
5
CHANGES IN THE ELECTRICAL SYSTEM
CF65/75/85 series