case 721b electrical schematic

8/10/2019 Case 721B Electrical Schematic

1/34


2/34


3/34


4/34

CASE

TrainingCenter

4.4.01

4-ELECTRICS

WHEE

LLOADERS-21B

SERIES

TRAI

NING

MANUEL

LOCATIONOFCO

MPONENTS

SP2 P

4

P5

P6

P7

ST8

ST7

ST6

ST16

ST12

H14

ST9

R3

ST10

ST5

ST18

B3B4P8 ST

4

ST

1

ST

2

ST

3

H1

8

B5

H17

SD6

621B-721B-8

21B

ST14

SP3

ST15

SD8

SD5

ST21

H12

H15

621B-721B-

821B

H13

ST2

0

ST

15

ST19

H12

H13

ST

14

921B

ST

22


5/34

CASE

TrainingCenter

4.5.01

4-ELECTRICS

WHEELLOADERS-21BSERIES

TRAINING

MANUAL

SD1

K2

D2

D1

M

6

B1

B2

B9

921only

SS6

SS

3

SS9

SS13

SD3

SS7

SS1

SS2

SD2

E11

E9

E12

E10

E8

E5

E7

E6

E1

E13

E14

E16

E15

E4

E2

E3

E17

E18

E20

E19

H20

E26-E27

EXTERNALLIGHTS

DIODES

SOLENOIDES

RELAYSandRES

ISTANCES

R5

K7

K1

2

K1

K13

K

3

K11

K4

PROXIMITYSWITCH

ES-SENDERS-

PRESSURESSWITC

HES


6/34

CASE

TrainingCenter

4.6.00

4-ELECTRICS

WHEE

LLOADERS-21B

SERIES

TRAI

NING

MANUEL

H1

Transmissionoiltem

perature

H2

Brakepressure

H3

Emergencysteering

H4

Parkingbrake

H5

Hydraulicfilter

H6

Lights

H7

Airfilter

H8

Hydraulicoiltemperature

H9

Engineoilpressure

H10

Alternatorcharging

H11

Systemnormal(GREEN)

P1

Enginecoolanttemp

erature

P2

Fuellevel

P3

Hourmeter

F-A

5

A

Transmissioncircuit

F-B

5

A

Automaticsdetents

F-C

5

A

Controlpanel-Speedometer-Buzzer-Gauges:P4-P5-P6-P7

F-D

10

A

Frontwiperandwasher

F-E

3

A

Reversingalarm

F-F

10

A

Horn-Enginelightcompartment-Cablight

F-G

10

A

Frontworkinglights-Controlpanellight

F-H

10

A

Rearworking-Controlpanellamp

F-J

10

A

Rotatingbeacon-Indicator-Hazard

F-K

10

A

Cigarettelighter

F-L

7,5

A

Leftsidelightandtaillight-Rearleftstoplamp

F-M

7,5

A

Rightsidelightandtaillight-Rearrightstoplamp

F-N

15

A

Airconditioning

F-P

10

A

Emergencysteering

F-R

10

A

Rearwiper-Airconditioningcompre

ssorclutch

F-S

5

A

Radio

F-T

7,5

A

Leftlowbeam

F-U

7,5

A

Rightlowbeam

F-V

7,5

A

Lefthighbeam

F-W

7,5

A

Righthighbeam-Highbeamindicator

F-A5A

F-E

3A

F-J

10A

F-N

15A

F-T

7,5A

F-B5A

F-F

10A

F-K

10A

F-P

10A

F-U

7,5A

F-C5A

F-G

10A

F-L

7,5A

F-R

10A

F-V

7,5A

F-D

10A

F-H

10A

F-M

7,5A

F-S

5A

F-W

7,5A

FUSES

FUSES

CONTROLPANEL

BRAKE

PRESSURE

PARKING

BRAKE

LIGHTS

HYDRAULIC

TEMP.

TRANS.

OILTEMP.

SECONDARY

STEERING

HYDRAULIC

OILFILTER

AIRFILTER

P(

(

ALTERNATOR

ENGINEOIL

PRESSURE

FUEL

LEVEL

ENGINE

COOLANT

TEMP.

SYSTEMS

NORMAL

HOURS

H1

H2

H3

H4

H5

H6

H8

H7

H10

H9

H11

P3

P1

P2


7/34


8/34


9/34

CASE

TrainingCenter

4.9.00

4-ELECTRICS


TRAINING

MANUAL

M

87

30

87a

85

86

IGN

BAT

ST

ACC

+ - + -

(

87

30

87a

85

86

A

B

A B

(

D+

W

+

-

O(13C)

R-00

R-19R(1)

B-

B+

B+

O(13M)O(13C)

O(13C)

O(13C)

LG(14)

W(

23F)

W(23F)

R-8

B(0)W(21C)

R(1)

R(1)

SP2

K2

K3

SP

1

M1

G2

G1

K11

C

B2

B1

W(

21C)

W(

21N)

W(

21N)

W(21N)

SS11

B7

F-F

10A

K1

N

11

V

2

F

B(0)

B(0)

B(0)

W(

28C)

W(28C)W(21N)W(21N)

E

O(13P)

CABSWITCHEDPOWER

W(28P)W(28P)

W(28T)

W(21K)

O(13C)

B(0)

3087

8586

30

87

85

86

LG(14)

0-

V(36A)

V(36A)

V(36A)

O(12)

O(19F)

B A

SD4

B2NONMONTEESUR621B

F-S

5A

(VOIRPAGE4.23.00:RADIO)

W(

21N)

W(21N)

R1(75)

4.9.00

3087

8586

B(0)

K17

10A

B

W(21C)

R(1)

1

A

R(1)

R(1)

W(21N)

O(12)

K17NONMONTEESUR621B

13

B

19

(see

B2NOINSTALLEDON621B

K17NOINSTALLEDON621B


10/34

CASE

TrainingCenter

4.10.00

4-ELECTRICS

WHEE

LLOADERS-21B

SERIES

TRAI

NING

MANUEL

COMPONENTS:

H20

Backup

alarm

K4

Transmissiondisconnect

SD5

Transmissioncutout(leftbrakepedal)

SD6

Parking

brake

SD10

Transm

issionoutputspeedsensor

SD11

Transmissionturbineinputspeedsensor

SD12

Proximitydetectoronacceleratorpedal

SP3

Gearsh

iftselector

SS4

Transmissionsafety-Brakepressure

SS19

Transmissionoiltemperature,

locatedoncontrolvalve

ST4

Transmissioncutout

ST17

"QuickD

own"(transmissionshiff)

ST18

"QuickD

own"(loadercontrol)

ST21

Manuel-Auto.transmissionselectorswitch

TRANSMISSIONSOLENOIDES

M1

Reverse

gear

M2

1stgea

r

M3

Foward

gear-1st-2nd-3rd

M4

1st-2ndgear

M5

4thgear

M6

Modulationcontrolelectro-valve

FUSES:

F-A

Fuse(5A)

F-E

Fuse(3A)

NOTE:ConnectorBisidentifiedbyletterson621B-721Ban

d821B,

butitisidentified

byfigure

sonthe921B

COLOURABBREVIATIONS

CODESCOULEURS

B

BLACK

NOIR

SCHWARZ

BR

BROWN

MARRON

BRAUN

BR/W

BROWN/WHITE

MARRON/BLANC

BRAUN/WEISS

BR/Y

BROWN/YELLOW

MARRON/JAUNE

BRAUN/GELB

DB

DARKBLUE

BLEUFONCE

DUNKELBLAU

DBR

DARKBROWN

MARRONFONCE

DUNKELBRAUN

DBR/LG

DARKBROWN/LIGHTGREEN

MARRONFONCE/VERTCLAIR

DUNKELBRAUN/HELLGRN

DBR/Y

DARKBROWN/YELLOW

MARRONFONCE/JAUNE

DUNKELBRAUN/GELB

DG

DARKGREEN

VERTFONCE

DUNKELGRN

G

GRAY

GRIS

GRAU

LB

LIGHTBLUE

BLEUCLAIR

HELLBLAU

LG

LIGHTGREEN

VERTCLAIR

HELLGRN

O

ORANGE

ORANGE

ROTGELB

O/LB

ORANGE/LIGHTBLUE

ORANGE/BLEUCLAIR

ROTGELB/HELLBLAU

O/R

ORANGE/RED

ORANGE/ROUGE

ROTGELB/ROT

O/W

ORANGE/WHITE

ORANGE/BLANC

ROTGELB/WEISS

P

PINK

ROSE

ROSA

R

RED

ROUGE

ROT

T

TAN

BEIGE

BEIGE

V

VIOLET(PURPLE)

VIOLET

LILA

W

WHITE

BLANC

WEISS

Y

YELLOW

JAUNE

GELB

M4

M3

M5

M2

M1

SD10

SS4

K4

ST4

H20

B.E.

SD6

SD5

ST17

SP3

ST18

A

E

F


11/34

CASE

TrainingCenter

4.11.01

4-ELECTRICS


TRAINING

MANUAL

87

30

87a

85

86

B+

K4

F-A5A

CABSWITCHEDP

OWER

CABSWITCHEDPOWER

B+

NCC

NO

NC

C

NO

A B

A B

)

9 10

5

1

7

G(49)

G(49)

1 2

6

22 7 93

017

27

1835

O(19A)

O(19A)

20

LB(25T)

F-E3A

LB(25

Y)

5

O(19A)

13 1

4

B

A

B(35G)

Y(35S)

Y(35S)

B(0)

B(0)

LG(14)

LG(14)

W(

21N)

W(

21N)

W(

21N)

W(

21N)

W(

21N)

W(

21N)

W(

21N)

SD5

SD

6

SS4

SS4

ST4

SD10

ST18

H

20

Y(35R)

Y(35R)

B(0)

LB(25P)

LB(25P)

LB(25P)

9LB(25H)

4LB(25T)LB(25T)

LB(25H)

B(0)

B(0)

LB(25H)

LB(25S) LB(25S)

G(49)

V(36A)

V(36A)

Y(33P)

Y

(33P)

Y(33P)

Y(33P)

Y(33P)

V(36A)

W(

21N)

LG(14)

0-

0-

8

9

10

11

12

19

A

F

E

A

14

32

31

15

33

ADE C B F

M5

M4

M3 M

2M1

DISTRIBUTEUR

B.V."ZF"

LB(25E)

LB(25D)

LB(25A)

LB(25C)

LB(25B)

LB(25E)

LB(25D)

LB(25A)

LB(25C)

LB(25B)

65 2 4 3A

A

O(19A)

258 2

6

LB(25W)

LB(25Z)

LB(25V)

LB(25F)

LB(25R)

8 7 6 5 10 9

A B C D

A B C D

19

23

AD3

AD2

AD1

AD7

VP

AD4

AD5

AD6

LEVIERDE

VITESSES

SP3

E

(B)

(GR)

(BL)

(R)

(Y)

(P)

(G)

11

W(

21N)

)8

952

7

5

6

)

)51

24

LB(25X)

LB(25X)

B(0)

ST21

W(

21N)

29

A B

28

V(35T)

A

SD11

BOITIERELECTRONIQUE

24

+12

3

M6

21

A

12

A

F

A

O(19A)

O(19A)

O(19A)

6

27

A

SS19

T

26

B(0)

SD1

2

C

Y(32M)

Y(35U)

LB(25M)

V(35T)

B(35G)

LB(25F)

LB(25W)

LB(25Z)

LB(25V)

LB(25X)

Manuel

Auto

29

21

Y(32N)

12

Y(35R)

S1

25

1


12/34

CASE

TrainingCenter

4.12.00

4-ELECTRICS

WHEE

LLOADERS-21B

SERIES

TRAI

NING

MANUEL

COMPONENTS:

B3

Controllever(floatposition)....................................................................................................

4.1

3.00

B4

Controllever(returntodig).....................................................................................................

4.1

3.00

B5

Controllever(heightcontrol)...................................................................................................

4.1

3.00

SD1

Returntodigproximity............................................................................................................

4.1

3.00

SD2

Highcontrolproximity..............................................................................................................

4.1

3.00

SD3

Returntotravelproximity........................................................................................................

4.1

3.00

ST1

Detents

..............................................................................................................

4.1

3.00

ST2

Floatan

dreturntotravelselection..........................................................................................

4.1

3.00

FUSES:

F-B

Fuse(5A)


d821B,

butitisidentified

byfigure

sonthe921B

COLOURABBREVIATIONS

CODESCOULEURS

B

BLACK

NOIR

SCHWARZ

BR

BROWN

MARRON

BRAUN

BR/W

BROWN/WHITE

MARRON/BLANC

BRAUN/WEISS

BR/Y

BROWN/YELLOW

MARRON/JAUNE

BRAUN/GELB

DB

DARKBLUE

BLEUFONCE

DUNKELBLAU

DBR

DARKBROWN

MARRONFONCE

DUNKELBRAUN

DBR/LG



DUNKELBRAUN/HELLG

RN

DBR/Y

DARKBROWN/YELLOW

MARRONFONCE/JAUNE

DUNKELBRAUN/GELB

DG

DARKGREEN

VERTFONCE

DUNKELGRN

G

GRAY

GRIS

GRAU

LB

LIGHTBLUE

BLEUCLAIR

HELLBLAU

LG

LIGHTGREEN

VERTCLAIR

HELLGRN

O

ORANGE

ORANGE

ROTGELB

O/LB

ORANGE/LIGHTBLUE

ORANGE/BLEUCLAIR

ROTGELB/HELLBLAU

O/R

ORANGE/RED

ORANGE/ROUGE

ROTGELB/ROT

O/W

ORANGE/WHITE

ORANGE/BLANC

ROTGELB/WEISS

P

PINK

ROSE

ROSA

R

RED

ROUGE

ROT

T

TAN

BEIGE

BEIGE

V

VIOLET(PURPLE)

VIOLET

LILA

W

WHITE

BLANC

WEISS

Y

YELLOW

JAUNE

GELB

ST2

ST1

SD2

SD3

S

D1

B3/B4/B5

C


13/34

CASE

TrainingCenter

4-ELECTRICS

WHEE

LLOADERS-21BSERIES

TRAINING

MANUAL

B+

C

ABSWITCHEDPOWER

0-

G(49)

ST1

F

-B

5

A

W(

21N)

W(

21N)

W(

21N)

13

14

LG(14)

LG(14)

)

9 10

51

)

9 10

5 1

7

BCA

+ -C

BCA

+ -C

BCA

+ -C

ST2

JP HK

W(55A)

B(0)

B(0)

O(19B) W(56)

B(0)

W(

56)

W(56)

W(

53B)

W(55A)

W(53B)

W(

56)

W(

55B)

W(55B)

W(

54B)

W(56) W(56)

B(0)

B(0)

SD1

SD2

SD3

G(49)

G(49)

LG(14)

CABSWITCHEDPOWER

B+

G(49)

V(36A)

Y(33P)

V(36A)

Y(33P)

V(36A)

Y(33P)

MANIPULATEUR

S

ERVOCONTROL

EQUIPEMENT"Z"

EQUIPEMENT"XT"

ST1

F-B5A )

9 10

51

)

9 10

5 1

7

ST

2

JP HK

W(55A)

B(0)

B(0)

O(19B) W(56)

B(0)

W(

56)

W(56)

W(

53B)

W(55A)

W(53B)

W(

56)

W(

55B)

W(55B)

W(

54B)

W(56) W(56)

B(0)

B(0)

SD1

SD

2

SD3

RETURN

TODIG

HEIGHT

CONTROL

RETURNTO

TRAVEL

B3

B5

B4

G(49)

BC A

+ -C

BC ABCA

BC A

+ -C

BC A

+ -C

W(

53B)

W(

56)

W(

56)

B(0)

B(0)

W(

55B)

C

C

MANIPULATEUR

SERVOCONTROL

0-

0-

RE

TURN

TO

DIG

HE

IGHT

CO

NTROL

RE

TURNTO

TR

AVEL

B3

B5

B4

W(5

4B)

W(

54B)

W(

56)

W(

56)

4.13.00


14/34


15/34

CASE

TrainingCenter

4.15.00

4-ELECTRICS


TRAINING

MANUAL

B+

CABSWITCHEDP

OWER

CABSWITCHEDPOWER

B+

SS7

G(49)

G(49)

16

128 1 41

09 3 5 6 213

11

1571

4

FREINSTATION

NEMENT

POINTNEUTRE

TRANS.

CHARGEALTER

NATEUR

+24VOLTS

FONCTIONNEMENTNORMAL

DIRECTIONDESECOURS

PRESSIONDEF

REIN

PRESSIONHUIL

EMOTEUR

COLMATAGEFILTREA

IR

COLMATAGEFILTRESHYD.

TEMPERATURE

HUILEHYD.

TEMPERATURE

HUILRTRANS.

TEMPERATURE

EAU

NIVEAUCARBURANT

MASSE

TEMOIND'ECLA

IRAGE

H4

H10

H11

H3

H2

H9

H7

H5

H8

H1

P1

P2

H6

v

A BP

A B

A BP

Y(37)

Y(37)

LG(14)

W(

21N)

F-C5A

21

A B

9Y(331L)

1V(36F)

V(36T)

Y(32T)

Y(31H)

Y(31F)

Y(31A)

Y(31P)

Y(31L)

V(36F)

V(3

6T)

Y(32T)

Y(31H)

Y(31F)

Y(31A)

Y(31P)

2

3

4

5

6

7

O(19C)

LG(14)

W(21N)

Y(33P)

O(19C)

O(19C)

O(19C)

O(19C)

B(0)

B(0)

B(0)

G(49)

G(49)

G(49)

G(49)

G(49)

+G

+G

+G

+G

8

7

9

P

P

87

30

87a

85 86

V(36X) V(36X) V(36X) V(36X)

V(36P) V(36P) V(36P) V(36P)

V(36A) V(36A) V(36A)

SS6

SS10

SS1

SS2

SS3

SS9

SS5

SS12

SS

13

P7

P6

P5

P4

H12

V(36A)V(36A)

V(36A)

V(36A)

K12 H

18

SS15

TABLEAU

DEBORD

INSTRUMEN

TCLUSTER

D

B(0)

B(0)

B(0)

B(0)

B(0)

B(0)

B(0)

B(0)

B(0)

B(0)

B(0)

B(0)

0-

0-

O(19C)

Y(37)

G(49)

Y(33P)

Y(31W)

O(19C)3

4

Y(31W)

V(35X)

V(35X)

V(35X)

V(35X)

V(36A)

O(19C)

O(

19C)

O(19C)

R5

200

28

15

16

17

18

19

20

21

22

23

24

25

26

27

T.B.

A

B

B

Y(31C)

Y(31D)

O(19C)

O(19C)

A

16

128 1 41

09 3 5 6 213

11

1571

4

PARKINGB

RAKE

TRANS.NUTR.I

NPUT

ALTERNATOR

+24VDC.INPUT

SYSTEMS

TATU

S

AUX.STEERING

BRAKEPRESSU

RE

ENG.OILPRESS

URE

AIR

FILTER

HYDRAULIC

FILTER

HYDR.OIL.TEM

P.

TRANS.OIL.TEMP.

ENG.COOLANT

TEMP.

FUELLEVEL

SUPPLY(-)

"LAMPSON"

H4

H10

H11

H3

H2

H9

H7

H5

H8

H1

P1

P2

H6

O(19C)VERSPAGE4.25.00

R6

A

M

C

P

S

F

K

J

F


16/34


17/34

CASE

TrainingCenter

4.17.00

4-ELECTRICS


TRAINING

MANUAL

B+

CABSWIT

CHEDPOWER

0-

0-

G(49)

ST5)

9

105

1

B(0)

F-J

10A

E

M

M

2

ST15

SD8

V(35X)

V

(35X)

V(35X)

Y(37)

E1

E2

E3

E4

E8

E7

E6

E5

E23E

24

E21

ST14

Y(37)

E16

E15

E14

E

13

E11

E12

E9

E10

E25

H13

29

30

31

32

33

34

35

36

37

DBR(45)

P(41T)

P(41D)

P(41H)

B(0)B

C

A

B

A

B(0)

B(0)

P(41D)

P(41H)

B(0)

B

C

A

P(41T)

B

A

B(0)

B(0)

B

A

BLACK

E22 B

BLACK

B(0)

A

P(41T)

RED

RED

B(0)

P(41T)

DBR(45)

P(41TF)

B(0)

DBR(45)

T(44)

P(41T)

A

C

D

B

P(41TF)

B(0)

DBR(45)

T(44)

P(41T)

A

C

D

B

BLACK

RED

BLACK

REDB

A

BBLACK

REDA

R(1) O(19J) B(0)

R(1)

)

31 54 A

49 2 1 B

O/W

(64C)

1G(49)

2

BR1

12A

5

O(19J)

O(19J)

O(19X) O(19X)

G(49)

P(46)

O(19X)

O/W(64C)

)8

105

2 7

6

1

)I0

3

5

DBR/LG(45R)

DBR/LG(45R)

DBR/Y(45L)

K6

C31

49A

C2

49

TURNSIG.

IND.

GROUND

FLASHER

TRAILER

IND.

SUPPLY

(+)

1423

B(0)

DBR/Y(45T)

DBR/Y(45G)

DBR/Y(45G)

B(0)

DBR/Y(45R)

B(0)

B(0)

DBR/Y

(45L) T

(44)

DBR/LG(

45R)

F

O/W(

64D)

O/W(

64D)

O/W(

64D)

BR/Y(45L)

BR/Y(45L)

T(44)

BR/L

G(45R)

BR/L

G(45R)

T(44)

T(44)

A

B

B(0)

B(0)

P(41TL)

P(41TF)

P(41TR)

P(41TL)

P(41TF)

DBR/LG(45R)

B(0)

B(0)

B(0)

P(41DR)

P(41HR)

P(41TR)

P(41HL)

P(41DL)

P(41TL)

O/W(

64C)

C A B

B+

CABSWITCHEDPOWER

G(49)

Y(37)

17

161

8A CC A

6 1 711

L TELN B M D

G(49)VERSPAGE4.25.00

G

(49)

BR/Y(45L)

BR/LG(45R)

BR/LG(45R)

BR/Y(45L)

F

23


18/34


19/34

CASE

TrainingCenter

4.19.00

4-ELECTRICS


TRAINING

MANUAL

B+

CABSWITCHEDPO

WER

0-

0-

G(49)

FV

7,5A

F-W

7,5A

V(35X)

V(35X)

V(35X)

H17

H21

42

38

39

40

41

D2

D1

F-T

7,5A

F-U

7,5A

F-L

7,5A

F-M

7,5A

P(41DR)

P(41HR)

P(41TR)

P(41HL)

P(41DL)

P(41TL)

10

F

ST16) 5

1

C

B(0)

P(41TL)

P(41TF)

P(41TR)

O/W(

64D)

ST12

1

2

3

4

5

1

2

3

4

5

1

2

3

4

5

F1B3

IL

F3

F4

TL

HD

B1

B2

F2

1

Y(37)

Y(37)

B(0)

B

B(42C)

B(0)A

B

B(42C)

B(0)A

B

B(42R)

B(0)

A

B

B(0)

A

BB(42R)

H15

14

B(0)

B(0)

B

B(0)

O/W(

64C)

O/W(

64C)

O/W(

64C)

O/W(64D)

F-G

10A

F-H

10A

11

F

Y(37)

P(41T)

P(41T)

P(41J)

R(1)

G(49)

DB(42C)

DB

(42C)

P(41TF)

P(41TF) B(0)

B(0)

P(41TR)

P(41TF)

p(41tl)

P(41DR)

P(41H)

P(41L)

O(19G)

DB(42R)

O(19H)

DB(42C)

DB(42C)

DB(42R)

DB(42R)

B(0)

B(0)

B(0)

B(0)

E18

E20

E17

E19

P(41TF)

B+

CABSWITCHEDPOWER

B(0)

O(139)

O(13P)

O(19G)

O(19H)

R(1)

G(49)

Y(37)

R(1)

P(41T)

DB(42R)

DB(42R)

P(41J)

XA B

ELN BM DC

LT

G(49)

G(49)

8 1

64

563

0

56a

S56b

3

K7


20/34


21/34

CASE

TrainingCenter

4.21.00

4-ELECTRICS


TRAINING

MANUAL

B+

CABSWITCHEDPOWER

0-

87

30 8

7a

858

6

87

30 8

7a

858

6

B

M

AB

87

30

87a

85

86

O/R(61R)

D EC

O/R(61C)

B(0)

O/R(61R)

B(0)

B(0)

B(0)O/R(61H)

O/R(61R)

O/W(

61A)

DB

O/W(61A)

A BP

A BP

ST9

SS17

SS18

R4

K8

K9

K10

ST10

F-N

15A

O(19N)

O/R(61L)

O/W(

61M)

O/R(61H)

OW(61T)

M6

B6

H14

BR2

10A

A BM

A BM

FA

O/W(

61M)

R(1)

R(1)

R(1)

O(19V)

O(19U)

B(0)

B(0)

B(0)

O/W(61N)

O/R(61P)

B(0)

M7

M8

11A

)1

) 3 7 1095

)III 0

) 1)3 7 1

0

95)II I0

B

R

)1

2

3

F-D

10A

F-R

10A

M3

A

D

B

C

M53b

53

31b

53a

M4

)9

105

1

O/W(63H)

O/W(63L)G(49)

M

M

5

O(19D)

G(49)

G(49)

O/W(68H)O/W(68L)

B(0)

B(0)

B(0)

B(0)

O/W(

68H)

O/W(

68L)

O/W(

63H)

O/W(

63L)

O/W(63C)

O(19D)

O/W(63C)O(19D)

ST7

ST8

ST6

O/W(67) O/W(67)

O/W(68C)

O(19R)

B+

CABSWITCHEDPOWER

0-

A

D

B

C

M53b

53

31b

53a

B(0)

B(0)

V(35X)

V(35X)

V(35X)

B

C

L

M

H

47

44

45

46

O/R(61A)

O/R(61R)

O/R(61C)

O/R(61R)

O/R(61R)

O/R(61R)

BR3

10A

O(19R)

O(19R)

O(19R)

O(19R)

G(49)

G(49)

G(49)

G(49)

G(49)

O/W(

64C)

O/W(

64C)

O/W(

64C)

43

O/W(

61A

)

O/W(

61A)

O/W(

61A)

O/W(

61M)

O/W(

61M)

14

15


22/34


23/34

CASE

TrainingCenter

4.23.00

4-ELECTRICS


TRAINING

MANUAL

B+

CAB

SWITCHEDPOWER

87

30

87a

85

86

BA

K13

ST13

A

B+

CABSWITCHEDPOWER

0-

8

5 2

7

6 4 3

1 8

5 2

7

6 4 3

1

)F-F

10A

B(0)

B

B(0)

B(0)

ST19

)

C

B(0)F

E

O/LB(64)B

F-P

10A

O(19P)

P

V(35X)

W(

51P)

O(19P)

D

V(35X)

V(35X)

M

C

V(35X)

R/O-50.0

B(0)

B/O-50.0

15

W(

51)

W(

51)

V(35X)

B/W

B/W

K14

K15

O(19P)

F-S5A

RADIO

(VOIRPAGE4.9.00:FUSIBLEFS)

O(12)

O(19F)

B(0)

M9

H19

H19

V(35X)

SD9

SD7

49

50

51

52

53

0-

K16

E27

A

B

RED

BLACK

NC

C

NO

CNO

NC O(19F)

E

B(0)

B(0)

B(0)

A

B

B(0)

B(0)

O/W(64C)

O/W(64C)

O/W(64C)

O/W(

64C)

O(19F)

O(19F)

3

O/W(

64C)O

/LB(64B)

O/LB(64)

O(19F)O(19F)

GREY

BLEU

RED

GREY

RED

BROWN/BLACK

RED

B(0)

BR/B

F

6

A

F6A

L.H.

R.H.

O(19S)

G

B

B(0)

O(19P)

G(49)

G(49)

G(49)

O(19R)

O(19R)

O(19R)

48

O(12)

O(19P) O(19P)

B(0)

10

E

W

1

8

O(

19S)

O(19S)

O(19S)

O(19S)


24/34

CASE

TrainingCenter

4.24.00

4-ELECTRICS

WHEE

LLOADERS-21B

SERIES

TRAI

NING

MANUEL

COMPONENTS:

B8

Quikcoupling(621BXTand721BXT)

B10

RideControlsystemelectro-valve

H21

RideControlsystemactivatedindicatorlamp

K20

RideControlsystemactivatorrelay

SS20

Rideco

ntrolenableswitch

SS21

Rideco

ntrolcut-outswitch

SS22

Rideco

ntrolcut-outswitch(onlyon621BXTand

721BXT

ST3

Quickcoupling(621BXTand721BXTonly)

ST22

Rideco

ntrolenableswitch

P8

Speedometer

..............................................................................................................

4.2

5.00

SD13

Travels

peedsensor..............................................................................................................

4.2

5.00

R3

Cgarettelighter

..............................................................................................................

4.2

5.00

Radio

FUSES:

FK

Fuse(10A)

F-P

Fuse(10A)


d821B,

butitisidentified

byfigure

sonthe921B

COLOURABBREVIATIONS

CODESCOULEURS

B

BLACK

NOIR

SCHWARZ

BR

BROWN

MARRON

BRAUN

BR/W

BROWN/WHITE

MARRON/BLANC

BRAUN/WEISS

BR/Y

BROWN/YELLOW

MARRON/JAUNE

BRAUN/GELB

DB

DARKBLUE

BLEUFONCE

DUNKELBLAU

DBR

DARKBROWN

MARRONFONCE

DUNKELBRAUN

DBR/LG



DUNKELBRAUN/HELLG

RN

DBR/Y

DARKBROWN/YELLOW

MARRONFONCE/JAUNE

DUNKELBRAUN/GELB

DG

DARKGREEN

VERTFONCE

DUNKELGRN

G

GRAY

GRIS

GRAU

LB

LIGHTBLUE

BLEUCLAIR

HELLBLAU

LG

LIGHTGREEN

VERTCLAIR

HELLGRN

O

ORANGE

ORANGE

ROTGELB

O/LB

ORANGE/LIGHTBLUE

ORANGE/BLEUCLAIR

ROTGELB/HELLBLAU

O/R

ORANGE/RED

ORANGE/ROUGE

ROTGELB/ROT

O/W

ORANGE/WHITE

ORANGE/BLANC

ROTGELB/WEISS

P

PINK

ROSE

ROSA

R

RED

ROUGE

ROT

T

TAN

BEIGE

BEIGE

V

VIOLET(PURPLE)

VIOLET

LILA

W

WHITE

BLANC

WEISS

Y

YELLOW

JAUNE

GELB

SD13

P8

B8

ST

3

K20

B10

H21

S

S20

SS21

ST22


25/34

CASE

TrainingCenter

4.25.00

4-ELECTRICS


TRAINING

MANUAL

B+

CABSWITCHEDPOWER

B+

CABSWITCHEDPOWER

0-

FK10A

ST3

O(19K)

B

8

56

55

0-

43 2

+-S

1

GREEN

RED

BLACK

WHITE

A

B

UG(49)

O(19C)

B(0)

Y(35V) Y(35V)

B(0)

B(0)

B

A

G(49)VERSPAG

E4.17.00(ST14)

O(19C)VERSPA

GE4.15.00

O (19R)

O(19R)

)7

5

C

GG(56L)G(56L)

A

B

O(19K)

B(0)

B(0)

P8

R3

G(49)

G(49)

54

SD13

21

87

30

87a 85

86

A BP

K20

B10

H21

)

9 10

51

ST22

FP10A

O(19P)

A BP

X

B

SS20

SS21

SS22

A BP

57

B(0)

B(0)

B(0)

B(0)

W(56P) W(56P)

W(56R)

W(56R)

W(56R)

W(56R)

W(56S)

W(56S)

11


26/34

CASE

TrainingCenter

4.26.01

4-ELECTRICS

WHEE

LLOADERS-21B

SERIES

TRAI

NING

MANUEL

COLORABBREVIATIONS

CODESCOULEURS

B

BLACK

NOIR

SCHWARZ

BR

BROWN

MARRON

BRAUN

BR/W

BROWN/WHITE

MARRON/BLANC

BRAUN/WEISS

BR/Y

BROWN/YELLOW

MARRON/JAUNE

BRAUN/GELB

DB

DARKBLUE

BLEUFONCE

DUNKELBLAU

DBR

DARKBROWN

MARRONFONCE

DUNKELBRAUN

DBR/LG



DUNKELBRAUN/HELLG

RN

DBR/Y

DARKBROWN/YELLOW

MARRONFONCE/JAUNE

DUNKELBRAUN/GELB

DG

DARKGREEN

VERTFONCE

DUNKELGRN

G

GRAY

GRIS

GRAU

LB

LIGHTBLUE

BLEUCLAIR

HELLBLAU

LG

LIGHTGREEN

VERTCLAIR

HELLGRN

O

ORANGE

ORANGE

ROTGELB

O/LB

ORANGE/LIGHTBLUE

ORANGE/BLEUCLAIR

ROTGELB/HELLBLAU

O/R

ORANGE/RED

ORANGE/ROUGE

ROTGELB/ROT

O/W

ORANGE/WHITE

ORANGE/BLANC

ROTGELB/WEISS

P

PINK

ROSE

ROSA

R

RED

ROUGE

ROT

T

TAN

BEIGE

BEIGE

V

VIOLET(PURPLE)

VIOLET

LILA

W

WHITE

BLANC

WEISS

Y

YELLOW

JAUNE

GELB

PARKINGBRAKE

ANDGEARBOXCONTROL,

SPECIFIC

TOTHE921B

COMPONENTS:

B9

Electro-hydraulicallycontrolledparkingbrakesolenoidl(921B)

SS4

Travelsafetyswitches(x2)

SD5

Transmiss

ioncut-outswitch(brakepedal)

ST4

Transmiss

ioncut-outswitch

ST20Parkingbrakeswitch(921B)

K4

Parkingbrakecontrolrelay(921B)

K18

Parkingbrakecontrolmemorisationrelay(921B)

K19

Parkingbrakesignalrelay(Indicatorlamponinstrumentpanel)(921B)

:H20

Backup

alarm

K4

Transmissiondisconnect

SD5

Transmissioncutout(leftbrakepedal)

SD6

Parking

brake

SD10

Transm

issionoutputspeedsensor

SD11

Transmissionturbineinputspeedsensor

SD12

Proximitydetectoronacceleratorpedal

SP3

Gearsh

iftselector

SS4

Transmissionsafety-Brakepressure

SS19

Transmissionoiltemperature,

locatedoncontrolvalve

ST4

Transmissioncutout

ST18

"QuickD

own"(loadercontrol)

ST21

Manuel-Auto.transmissionselectorswitch

TRANSMISSIONSOLENOIDES

M1

Reverse

gear

M2

1stgea

r

M3

Foward

gear-1st-2nd-3rd

M4

1st-2ndgear

M5

4thgear

M6

Modulationcontrolelectro-valve

FUSES:

F-A

Fuse(5A)

F-E

Fuse(3A)


d821B,

butitisidentified

byfigure

sonthe921B

SS4

SS4

K4

K18

K19

ST20

ST4

SD5

B9


27/34


28/34

TrainingCenter

4.28.00

4-ELECTRICS

WHEE

LLOADERS-21B

SERIES

TRAI

NING

MANUEL

CASE

COMPONENTS:

H13

Turnsignalindicator

K6

Flasheunit

M2

Rotatin

gbeaconlight

SD8

Stoplampswitch

ST5

Rotatin

gbeaconswitchf

ST14

Hazard

warningswitch

ST15

Turnsignalandhornswitch

FUSES:F-L

Fuse(10A)

COLORABBREVIATIONS

CODESCOULEURS

B

BLACK

NOIR

SCHWARZ

BR

BROWN

MARRON

BRAUN

BR/W

BROWN/WHITE

MARRON/BLANC

BRAUN/WEISS

BR/Y

BROWN/YELLOW

MARRON/JAUNE

BRAUN/GELB

DB

DARKBLUE

BLEUFONCE

DUNKELBLAU

DBR

DARKBROWN

MARRONFONCE

DUNKELBRAUN

DBR/LG



DUNKELBRAUN/HELLG

RN

DBR/Y

DARKBROWN/YELLOW

MARRONFONCE/JAUNE

DUNKELBRAUN/GELB

DG

DARKGREEN

VERTFONCE

DUNKELGRN

G

GRAY

GRIS

GRAU

LB

LIGHTBLUE

BLEUCLAIR

HELLBLAU

LG

LIGHTGREEN

VERTCLAIR

HELLGRN

O

ORANGE

ORANGE

ROTGELB

O/LB

ORANGE/LIGHTBLUE

ORANGE/BLEUCLAIR

ROTGELB/HELLBLAU

O/R

ORANGE/RED

ORANGE/ROUGE

ROTGELB/ROT

O/W

ORANGE/WHITE

ORANGE/BLANC

ROTGELB/WEISS

P

PINK

ROSE

ROSA

R

RED

ROUGE

ROT

T

TAN

BEIGE

BEIGE

V

VIOLET(PURPLE)

VIOLET

LILA

W

WHITE

BLANC

WEISS

Y

YELLOW

JAUNE

GELB

M2

ST5

ST14

ST1

5

SD8

K6

B

A

C


29/34

TrainingCenter

4.29.00

4-ELECTRICS


TRAINING

MANUAL

CASE

16

18

ST14 )

8

10

4 7

6

)I 52 5

0

Y(37) 0

-

C A

B+

CABSWITCHEDPOWER

LT

B

+C

ABSWITCHEDPOWER

0-ST

5)9

105

1

B(0)

F

-L

10A

M

M2

Y(37)

R(1) O(19L) B(0)

5

O(19L)

GY(49)

P(46)

GY

(49)

ST15Y

(37)

H13

54

21

K6

NCC

NO

SD8

VOIR/SEEPAGE4.15.00

G(49)

O

(19

T)

GY

(49)

Indic.

droit/Rightindic.

B+

1751 43 6

GY(49)

O(19T)

O(19T)

O

(19T

)

2

T(44)

T(44)

2

E

B(0)

B(0)

8

F

B(0)

Masse/Ground

B(0)

BR/Y(45T)

BR/Y(45T)

Indic.gauche/Leftindic.

Lampesdroites/Rightlamps

Tmoinwarninglight

Lampesgauche/Leftlamps

2

BR//LG(45R)

BR//LG(45R)

BR/Y(45L)

BR/Y(45L)

BR/Y(45L)

BR/Y(45G)

BR/Y(45G)

BR/Y(45G)

BR/Y(45H)

BR/Y(45H)

1

E

E

F

BR/Y(45L)

B

R//LG(45R)

BR//LG(45R)

T(44)

BR/Y(45L)

17

BR/Y(45L)

BR/Y(45L)

BR/Y(45L)

B

R//LG(45R)

BR//LG(45R)

PUISSANCEAPRESCONTACT


30/34

TrainingCenter

4.30.00

4-ELECTRICS

WHEE

LLOADERS-21B

SERIES

TRAININGMANUEL

CASE

COMPONENTS:

D1

Diode

D2

Diode

E1

Turnsig

nal

Rear/Left

E2

Stoplamp

Rear/Left

E3

Taillam

p

Rear/Left

E5

Turnsig

nal

Rear/Right

E6

Stoplamp

Rear/Right

E7

Taillam

p

Rear/Right

E9

Turnsig

nal

Front/Gauche

E10

Taillam

p

Front/Gauche

E11

Highbe

am

Front/Gauche

E12

Chassis

workinglamp

Front/Right

E13

Turnsig

nal

Front/Right

E14

Taillam

p

Front/Gauche

E15

Highbe

am

Front/Droit

E16

Chassis

workinglamp

Front/Droit

E17

Cabwo

rkinglamp

Rear/Left

E18

Cabwo

rkinglamp

Front/Left

E19

Cabwo

rkinglamp

Rear/Right

E20

Cabwo

rkinglamp

Front/Right

ST12

Comma

nded'clairage

FUSIBLES:F-G

Fusible(10A)

F-H

Fusible(15A)

BR1

Sectionneur(10A)


d821B,

butitisidentified

byfigure

sonthe921B

COLORABBREVIATIONS

CODESCOULEURS

B

BLACK

NOIR

SCHWARZ

BR

BROWN

MARRON

BRAUN

BR/W

BROWN/WHITE

MARRON/BLANC

BRAUN/WEISS

BR/Y

BROWN/YELLOW

MARRON/JAUNE

BRAUN/GELB

DB

DARKBLUE

BLEUFONCE

DUNKELBLAU

DBR

DARKBROWN

MARRONFONCE

DUNKELBRAUN

DBR/LG



DUNKELBRAUN/HELLG

RN

DBR/Y

DARKBROWN/YELLOW

MARRONFONCE/JAUNE

DUNKELBRAUN/GELB

DG

DARKGREEN

VERTFONCE

DUNKELGRN

G

GRAY

GRIS

GRAU

LB

LIGHTBLUE

BLEUCLAIR

HELLBLAU

LG

LIGHTGREEN

VERTCLAIR

HELLGRN

O

ORANGE

ORANGE

ROTGELB

O/LB

ORANGE/LIGHTBLUE

ORANGE/BLEUCLAIR

ROTGELB/HELLBLAU

O/R

ORANGE/RED

ORANGE/ROUGE

ROTGELB/ROT

O/W

ORANGE/WHITE

ORANGE/BLANC

ROTGELB/WEISS

P

PINK

ROSE

ROSA

R

RED

ROUGE

ROT

T

TAN

BEIGE

BEIGE

V

VIOLET(PURPLE)

VIOLET

LILA

W

WHITE

BLANC

WEISS

Y

YELLOW

JAUNE

GELB

E1-E2-E3-E4

E8-E7

-E6-E5

E15-E16

E14-E13

E24

E9-E10

E12-E11

E22

E21

ST12

E12

E23

B

A

C

D2

D1

E18-E20

E17-E19


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TrainingCenter

CS

WHEE

LLOADERS-21B

SERIES

TRAI

NING

MANUEL

CASE

nectionsbetweencabharnessandfrontandrearharness

rolpanelconnection

nectionsbetweencabharnessandsteeringco

lumn

case 721b electrical schematic

Documents