DAF LF45, LF55 Series. Manual - part 419

 

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DAF LF45, LF55 Series. Manual - part 419

 

 

11

C

1427090/04

EL001619

1

2

3

4

5

6

7

8

9

10

11

12

13

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37

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45

46

47

48

49

50

51

52

53

3700D

3700K

3701D

3700C

3701C

3701K

3700E

3700E

3700M

3701E

3700E

3701E

3701E

3700E

3701E

3700E

3700E

3700E

3701E

3701E

3701E

3700E

3701E

3700E

3701E

3701M

3700G

3701G

3701N

3700N

3701E

3700E

3701E

3700E

3701E

3700E

3701J

3700J

3700B

3700F

3701B

3700L

3701L

3701H

3700H

3701F

3700A

3701A

3566

3565

B20/

797

B21/

797

D911

A1/

820

A3/

820

D961

A12/

884

A9/

884

D969

C15/

745

C14/

745

C2/

745

C1/

745

D18/

746

D20/

746

D900

11/

755

13/

755

D899

3/

775

4/

775

D912

B52/

757

B53/

757

D903

D936

120

Ω

A8/

752

A4/

752

B525

A021

15

16

A032

DC

A087

2

724

6

850

1

724

2

1

1

850

12/

755

14/

755

7/

755

5/

755

120

Ω

!

!

!

829

7

829

6

B32/

853

B29/

853

200440

2-17

Changes in the electrical system from chassis number 0L247507

5

CHANGES IN THE ELECTRICAL SYSTEM

LF45/55 series

11

1.

MAIN

SWITCH

MANUALL

Y

OPERA

T

ED

EARTH

BREAKER

Tu

rning

m

ain

switch

C

553

anticlockwise

w

ill

break

the

earth

connection

between

the

batteries

(A500)

and

the

chassis

earth

point.

Because

the

tachograph

(B525)

must

have

a

power

supply

and

earth

connection

at

all

times,

earth

wire

9001

is

connected

directly

to

the

earth

connection

of

the

batteries

through

2-pin

dashboard

lead-through

connector

813

in

zone

1.

200440

2-18

5

CHANGES IN THE ELECTRICAL SYSTEM

Changes in the electrical system from chassis number 0L247507

LF45/55 series

11

1

1427090/04

EL001620

123456789

1

0

1

1

1

2

1

3

1

4

1

5

1

6

1

7

1

8

1

9

2

0

2

1

2

2

2

3

2

4

2

5

2

6

2

7

2

8

2

9

3

0

3

1

3

2

3

3

3

4

3

5

3

6

3

7

3

8

3

9

4

0

4

1

4

2

4

3

4

4

4

5

4

6

4

7

4

8

4

9

5

0

5

1

5

2

5

3

1000

1000

1000

1000

9001

9001

1000

A500

1

813

1/705

2/705

B525

A5/

752

E349

80A

2

1

D942

1000

1000

C553

2

1

50

30

B010

M

31

200440

2-19

Changes in the electrical system from chassis number 0L247507

5

CHANGES IN THE ELECTRICAL SYSTEM

LF45/55 series

11

ELECTRICALL

Y

OPERA

T

ED

MAIN

SWITCH

The

m

ain

switch

(D924)

can

be

closed:

-

electrically

in

the

cab

-

elect

rically

on

th

e

chassis

Closing

the

main

switch

electrically

in

the

cab

A

TTENTION:

switch

C854

must

be

in

the

“main

switch

on”

position

(connection

b

etween

contacts

1a

n

d

2)

.

Switch

C853

(switch

for

main

switch

in

cab)

connects

the

C

1

and

C2

connections

to

the

C4

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.

Relays

G367

and

G368

are

immediately

energised

through

wire

4174

and

connection

point

A3

(A3

is

connected

to

earth

for

0.5

seconds).

This

closes

the

connection

between

points

88a

and

88

of

both

relay

G367

and

relay

G

368.

The

positive

and

the

negative

terminals

of

the

batteries

are

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

A

TTENTION:

switch

C853

must

be

in

the

“main

switch

on”

position

(connection

b

etween

contacts

5a

n

d

7)

.

E501695

E153

G425

D924

E330

G367

C854

G368

Switch

C854

(switch

for

main

switch

on

the

chassis)

connects

the

C

1

connection

to

the

C4

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.

Relays

G367

and

G368

are

immediately

energised

through

wire

4174

and

connection

point

A3

(A3

is

connected

to

earth

for

0.5

seconds).

This

closes

the

connection

between

points

88a

and

88

of

both

relay

G367

and

relay

G

368.

The

positive

and

the

negative

terminals

of

the

batteries

are

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

-

elect

rically

on

th

e

chassis

Opening

the

main

switch

electrically

in

the

cab

A

TTENTION:

switch

C854

must

be

in

the

“main

switch

on”

position

(connection

b

etween

contacts

1a

n

d

2)

.

Switch

C853

(switch

for

main

switch

in

cab)

disconnects

wire

4176,

contacts

5

-

7

of

switch

C853,

wire

4177,

contacts

1

-

2

of

switch

C854

and

the

C

1

and

C2

connections

from

the

C

4

and

C5

connections

via

w

ire

4178.

200440

2-20

5

CHANGES IN THE ELECTRICAL SYSTEM

Changes in the electrical system from chassis number 0L247507

LF45/55 series

 

 

 

 

 

 

 

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