DAF CF65, CF75, CF85 Series . Manual - part 765
38
MECHANICAL
LIFTING
GEAR
Manual
lifting:
When
switch
C704
(lifting
gear
switch)
is
operated
(connection
between
contacts
3
-
1
),
a
v
oltage
is
applied
to
c
onnection
point
1
o
f
B071
through
fuse
E062,
wire
1221,
contacts
3-1o
fs
w
it
c
hC
704,
wire
4550,
contacts
3
-
4
of
relay
G
381
and
wire
5180.
This
valve
is
energised.
The
v
oltage
is
applied
to
connection
point
85
of
relay
G
052
at
the
s
ame
time
through
D622,
wire
4552,
contacts
30
-
87a
of
relay
G
066
and
wire
4557.
This
is
activated
and
closes
contacts
1
-
2
.
A
voltage
is
now
applied
to
c
onnection
point
1
o
f
B
073
through
contacts
1-2o
fr
e
la
y
G
0
5
2
a
n
d
w
ir
e
4554.
The
o
il
pump
m
otor
starts
to
run.
If
the
o
il
pressure
becomes
too
h
igh
(>
160
bar),
E524
will
close.
V
o
ltage
is
now
applied
to
connection
point
85
of
relay
G
066
through
c
o
n
ta
c
ts
1-2o
fE
524.
This
is
energised
and
it
breaks
the
connection
30
-
87a.
V
o
ltage
is
now
applied
to
c
onnection
point
85
of
relay
G066
from
wire
4552
through
contacts
30
-
8
7
of
relay
G
066
and
wire
4558.
This
remains
energised.
At
the
s
ame
time
the
voltage
through
relay
G
052
is
lost.
C
ontacts
1
-
2
open
and
the
v
oltage
on
connection
point
1
o
f
B073
is
lost.
T
he
pump
m
otor
is
no
longer
driven
and
the
o
il
pressure
drops.
Manual
lowering:
When
switch
C704
(lifting
gear
switch)
is
operated
(connection
between
contacts
3
-
7
),
a
v
oltage
is
applied
to
c
onnection
point
S1
of
D503
through
fuse
E062,
wire
1221,
contacts
3-7o
fs
w
it
c
hC
7
0
4
a
n
d
w
ir
e
4551.
A
v
oltage
is
applied
to
c
onnection
point
1
o
f
B072
through
connection
point
87
of
D503
and
wire
4553.
This
valve
is
energised.
The
v
oltage
is
applied
to
c
onnection
point
85
of
relay
G
052
at
the
s
ame
time
through
D623,
wire
4552,
contacts
30
-
87a
of
relay
G
066
and
wire
4557.
This
is
activated
and
closes
contacts
1
-
2.
A
v
oltage
is
now
applied
to
c
onnection
point
1
o
f
B073
through
contacts
1-2o
fr
e
la
y
G052
and
wire
4554.
The
o
il
pump
m
otor
starts
to
run.
If
the
o
il
pressure
becomes
too
h
igh
(>
160
bar),
E524
will
close.
V
o
ltage
is
now
applied
to
connection
point
85
of
relay
G
066
through
c
o
n
ta
c
ts
1-2o
fE
524.
This
is
energised
and
breaks
the
connection
30
-
87a.
V
o
ltage
is
now
applied
to
c
onnection
point
85
of
relay
G066
from
wire
4552
through
contacts
30
-
8
7
of
relay
G
066
and
wire
4558.
This
remains
energised.
At
the
s
ame
time
the
voltage
through
relay
G
052
is
lost.
C
ontacts
1
-
2
open
and
the
v
oltage
on
connection
point
1
o
f
B073
is
lost.
T
he
pump
m
otor
is
no
longer
driven
and
the
o
il
pressure
drops.
Automatic
axle
load
p
rotection:
If
the
p
ressure
on
the
driven
a
xle
is
g
reater
than
the
legal
maximum,
sensor
E584
is
activated.
This
puts
s
ensor
E507
in
’stand-by
’
mode.
If
the
a
cceptable
a
xle
load
increases
further
(>
10
ton),
sensor
E507
automatically
lowers
the
trailing
a
xle.
If
the
a
xle
has
been
lifted,
F097
(proximity
switch
for
trailing
a
xle
lifting
gear)
ensures
that
relay
G380
is
energised
through
wire
3661.
A
v
oltage
is
now
applied
through
fuse
E062,
wire
1221,
contacts
3-5o
fr
e
la
y
G
3
8
0
to
connection
point
1
o
f
E
507.
This
is
activated.
The
v
oltage
is
immediately
transmitted
to
S
2
on
D503.
The
s
ignal
sent
by
the
a
xle
load
protection
proximity
s
witch
(E507)
to
S2
must
be
maintained
for
a
t
least
1
0
s
econds
before
the
lifting
gear
electronic
unit
(D503)
will
activate
the
v
alve
(B072)
and
the
lifting-gear
pump
m
otor
(B073)
to
lower
the
trailing
a
xle.
This
is
to
prevent
the
legal
maximum
a
xle
load
being
exceeded.
If
the
dashboard
s
witch
is
operated
within
this
2.5
m
inute
period,
the
e
lectronic
unit
w
ill
be
reset
and
another
2.5
m
inute
period
w
ill
start.
0202
ᓻ
2-156
5
ELECTRICAL SYSTEM
Electrical system
series
65/75/85
CF