Case T435 445 445CT SERIES 3 Skide Steer Compact Track Loader Repair Manual 87634768 - PDF

REPAIR MANUAL

SKID STEER/ COMPACT TRACK LOADER 435 445 445CT SERIES 3

87634768 NA

Issued 01Jan08

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V2

R6 R6 MC C2

A

B

C2

T

C1

P

FC

59

C1

54

P. B.

T

R5 E7 FC

53

T

K5

P

G5

H5

K8

FRAME 7

FRAME 8 BC08A244-07A

FRAME 9 BC08A244-08A

FRAME 10 BC08A244-09A

BC08A244-10A

COMPONENTS - PILOT CONTROL MACHINES FRAME - COMPONENT NUMBERS

FRAME 1 COMPONENTS 1 - 1. Left Piston Pump 1 - 2. Right Piston Pump 1 - 3. Charge Pump 1 - 4. Hydrostatic Pump 1 - 5. Circuit Relief Valve 1 - 6. High Pressure Relief Valve 1 - 7. Control Cartridge 1 - 8. Boost Valve 1 - 9. Servo Piston 1 - 10. Hydraulic Pump 1 - 11. Left Drive Motor 1 - 12. Right Drive Motor 1 - 13. Left Brake 1 - 14. Right Brake 1 - 15. Flushing Valve 1 - 16. Brake Solenoid Valve 1 - 17. Charge Pressure Switch 1 - 18. Shut-Off Plug 1 - 19. Hydraulic Reservoir 1 - 20. Drain Manifold 1 - 21. Oil Cooler 1 - 22. Oil Filter Bypass Valve 1 - 23. Ground Drive Interlock 1 - 24. Loader Interlock 1 - 25. Manual Boom Lowering Valve FRAME 2 COMPONENTS 2 - 26. Backup Alarm Port 2 - 27. Ground Drive Controller 2 - 28. Ground Drive Controller Spool 2 - 29. Resolver Block Shuttle Valve

HYDRAULIC SYMBOLS

NOTES PRESSURE

CHECK VALVE

54 COMPONENT NUMBER

SHOWS CIRCUIT CROSSING NOT CONNECTED

SHOWS CIRCUIT CONNECTED

COMPONENT RESTRICTOR

OIL COOLER

DIRECTION OF FLOW

FRAME 3 COMPONENTS 35. Circuit Relief Valve 3 - 15. Flushing Valve 3.- 16. Brake Solenoid Valve 3.- 17. Charge Pressure Switch 3 - 18. Shut-off Plug 3 - 23. Ground Drive Interlock 3 - 24. Loader Interlock 3 - 28. Left Two Speed Drive Motor 3 - 29. Right Two Speed Drive Motor 3 - 30. Left Brake 3 - 31. Right Brake 3 - 32. Two Speed Valve 3.- 35. Two Speed Solenoid Valve 3.- 36. Left Two Speed Shuttle Valve 3.- 37. Right Two Speed Shuttle Valve FRAME 4 COMPONENTS 4- 38. Implement Controller 4- 39. Implement Controller Spool 4- 40. Implement Controller Spool with Magnetic Detent

FRAME - COMPONENT NUMBERS

FRAME 6 COMPONENTS 65. Circuit Relief Valve 6- 42. Loader Control Valve 6- 43. Tilt Spool 6- 44. Lift Spool 6- 45. Auxiliary Spool 6 46. Tilt Cylinders 6- 47. Lift Cylinders 6- 48. Auxiliary Outlets 6 - 49. High Flow Pump 6 - 50. High Flow Filter 6 - 51. High Flow Control Valve 6 52. Accumulator FRAME 7 COMPONENTS 7- 53. Attachment Case Drain 7- 54. Hydraulic Coupler Control Valve 7- 55. Hydraulic Coupler Cylinder 7- 56. Check Valve FRAME 8 COMPONENTS 8 - 57. Secondary Auxiliary Control Valve FRAME 9 COMPONENTS 9- 58. Self-Level Valve

FRAME 5 COMPONENTS 55. Circuit Relief Valve 5- 42. Loader Control Valve 5- 43. Tilt Spool 5- 44. Lift Spool 5- 45. Auxiliary Spool 5- 46. Tilt Cylinders 5- 47. Lift Cylinders 5- 48. Auxiliary Outlets

FRAME 10 COMPONENTS 10- 59. Ride Control Valve 10- 60. Ride Control Accumulator

HYDRAULIC SCHEMATIC ISO-PATTERN PILOT CONTROL MACHINES (OPTION)

CASE DRAIN

FILTER OR SCREEN

FRAME - COMPONENT NUMBERS

435, 445 SKID STEER and 445CT TRACK LOADER PILOT PRESSURE LINE TYPES

Additional copies of this Hydraulic and Electrical Schematic can be ordered through Technical Publications Distribution System.

The part number is 5-9630 Copyright © 2008. CNH America, LLC. All Rights Reserved.

BC08A244-00A

H-PATTERN PILOT CONTROL MACHINES (OPTION)

H- PATTERN LEFT-HAND JOYSTICK VALVE

H-PATTERN RIGHT-HAND JOYSTICK VALVE

PILOT TWO SPEED (OPTION)

CONTROL VALVE

PILOT CONTROL EH VALVE (OPTION)

50

XA7 XA7 10G

12H3

JT1

23

L13

JT2

H15

B1

12G2

XA6 XA6

7H

JL1 JL2

B2

K8 K15

22

T

K7B

25

T2

J6

15

A

12H3 H9

L

Z

Z

13

L

B

G5

12G1

16

7H

T1 T2 T3

15 PS

14

18

G6

G6

K15 G7B

12G1

FC MC

6G G7A

13G

24

10G

32

13G

5

11

A

26

12

A

42 P1

T

F6A F6B

12G2

17 5

G5 G4

F7A F7B

G5 G4

F7A F7B

6E1

G7A

48 42

P1

18

48

G7B

G5

J9

A

AUXILIARY OUT FC FC MC MC

J6

2SPD

T

J10 B

2SPD-L12B

JL1 JL2

B2

P2

6E2

5J

H14

H13

B1

2SP-J11 12G2 7H

J6

F5 J15

6E1

JT2

2SP-J16

J5

19

24

17

JT1

23

F5

21

13G

T3 P1

12H3

10G

T1 6G

K7A

35

K5

K7A

K7B

46

47

K11

P2

PS

46

XA5 XA5

20

16

47

B

5

A

B

5

A

B

F6A F6B

5

A

B

5

A

B

B

P2 F5

INLET P 1

K11

6E2 H11

8

H13

4

R

T

MB BF

H9

Y

G

38 R

BF MB

2SP-J11

G2 H9

E14A

1

E9

2

3

4

27

X3R

X4R

MG

MA

AR G1

AF MA

X4F

X3F

S

7

31

XA4 XA3 XA2 XA1

9 9

2

3

XA4 XA3 XA2 XA1

X

A

FRAME 12

2

3

SELF-LEVEL (OPTION)

P INLET

4

41

43

40

FRAME 14

12E1

12E2

AUX INLET

12F

12F 12E2 12E1 13E

HF-F7

52 5J

FRAME 15 BC08A244-14A

BC08A244-13A

45

44 12E1 12H2 12F 13H

FRAME 13

45

43

HPCO

44 1

29

BC08A244-12A

SECONDARY AUXILIARY (OPTION)

E7

5 28

HPCO

B

18

13H 12H2 12H1 12J

BC08A244-11A

HYDRAULIC COUPLER (OPTION)

L

15

5

6

FRAME 11

Z

30

40

J9

6

Z

E7

H13

12E2

H12 6E1

L

18

E7 13E

H14

X

5

5

H14

37

15

10 1

A

P2

2

13E

J15

36 B

27

T

2SP-J16

J10

J9

P1

F5

FRAME 16 BC08A244-15B

BC08A244-16A

RIDE CONTROL (OPTION)

55

G6

56 A

B1

G7A

G7B

E9

58

B2

F7

P

G8

K11

57 60 V1

V2

R6 R6 MC C2

A

B

FC

P. B.

T

C1

P

59

C1

54

C2

T

R5 E7 FC

53

T

K5

P

G5

H5

K8

FRAME 17

FRAME 18 BC08A244-17A

FRAME 19 BC08A244-18A

FRAME 20 BC08A244-19A

BC08A244-20A

COMPONENTS - PILOT CONTROL MACHINES FRAME - COMPONENT NUMBERS

FRAME 11 COMPONENTS 11- 1. Left Piston Pump 11- 2. Right Piston Pump 11- 3. Charge Pump 11- 4. Hydrostatic Pump 11- 5. Circuit Relief Valve 11- 6. High Pressure Relief Valve 11- 7. Control Cartridge 11- 8. Boost Valve 11- 9. Servo Piston 11- 10. Hydraulic Pump 11- 11. Left Drive Motor 11- 12. Right Drive Motor 11- 13. Left Brake 11- 14. Right Brake 11- 15. Flushing Valve 11- 16. Brake Solenoid Valve 11- 17. Charge Pressure Switch 11- 18. Shut-Off Plug 11- 19. Hydraulic Reservoir 11- 20. Drain Manifold 11- 21. Oil Cooler 11- 22. Oil Filter Bypass Valve 11- 23. Ground Drive Interlock 11- 24. Loader Interlock 11- 25. Manual Boom Lowering Valve FRAME 12 COMPONENTS 12- 26. Left-Hand Joystick Valve 12- 27. Controller Spool

HYDRAULIC SYMBOLS

NOTES PRESSURE

CHECK VALVE

54 COMPONENT NUMBER

SHOWS CIRCUIT CROSSING NOT CONNECTED

SHOWS CIRCUIT CONNECTED

COMPONENT RESTRICTOR

OIL COOLER

DIRECTION OF FLOW

FRAME 13 COMPONENTS 13- 5. Circuit Relief Valve 13- 15. Flushing Valve 13- 16. Brake Solenoid Valve 13- 17. Charge Pressure Switch 13- 18. Shut-off Plug 13- 23. Ground Drive Interlock 13- 24. Loader Interlock 13- 28. Left Two Speed Drive Motor 13- 29. Right Two Speed Drive Motor 13- 30. Left Brake 13- 31. Right Brake 13- 32. Two Speed Valve 13- 35. Two Speed Solenoid Valve 13- 36. Left Two Speed Shuttle Valve 13- 37. Right Two Speed Shuttle Valve FRAME 14 COMPONENTS 14- 38. Right-Hand Joystick Valve 14- 40. Controller Spool 14- 41. Controller Spool FRAME 15 COMPONENTS 15- 5. Circuit Relief Valve 15- 42. Loader Control Valve 15- 43. Tilt Spool 15- 44. Lift Spool 15- 45. Auxiliary Spool 15- 46. Tilt Cylinders 15- 47. Lift Cylinders 15- 48. Auxiliary Outlets

FRAME - COMPONENT NUMBERS

FRAME 16 COMPONENTS 16- 5. Circuit Relief Valve 16- 42. Loader Control Valve 16- 43. Tilt Spool 16- 44. Lift Spool 16- 45. Auxiliary Spool 16- 46. Tilt Cylinders 16- 47. Lift Cylinders 16- 48. Auxiliary Outlets 16- 49. High Flow Pump 16- 50. High Flow Filter 16- 51. High Flow Control Valve 16- 52. Accumulator FRAME 17 COMPONENTS 17- 53. Attachment Case Drain 17- 54. Hydraulic Coupler Control Valve 17- 55. Hydraulic Coupler Cylinder 17- 56. Check Valve FRAME 18 COMPONENTS 18- 57. Secondary Auxiliary Control Valve FRAME 19 COMPONENTS 19- 58. Self-Level Valve FRAME 20 COMPONENTS 20- 59. Ride Control Valve 20- 60. Ride Control Accumulator

HYDRAULIC SCHEMATIC H-PATTERN PILOT CONTROL MACHINES (OPTION)

CASE DRAIN

FILTER OR SCREEN

FRAME - COMPONENT NUMBERS

435, 445 SKID STEER and 445CT TRACK LOADER PILOT PRESSURE LINE TYPES

Additional copies of this Hydraulic and Electrical Schematic can be ordered through Technical Publications Distribution System.

The part number is 5-9630 Copyright © 2008. CNH America, LLC. All Rights Reserved.

BC08A244-00A

TWO SPEED (OPTION)

EH VALVE AND HIGH FLOW (OPTION)

15 14

P

L15

Pilot pressure line Case drain line

BRAKE

BRAKE

K15

K8B

K5

20

17

19

H13

B

A

L

11

Z

12

23

Z

L

B

24

A

13

B

INLET

C

MC

D

A B

5

6 R1

7

2

1 E1 N F1

A B

R1

F9

8

5

R2

33 A

X

L

34 Z

Z

11

12

A B

H9

E9

L

X

A

B

A B

3

6 7

27

FRAME 1

5 32

FC

48

C1 P. B.

16

5

B

41

F5 K11

5

T

R5 R4

HPCO

E7

AUXILIARY INLET

26

FC

40

K5

P

T

G5

INLET P

45 27

28

28

29

H5

K8

C12

29 FRAME 2

BC04H207-01

MC C2

A

AUXILIARY INLET

26

21

V2

A B

R2

HPCO

E7

45 V1

INLET P

13

16

A B

31 R4

R1

R6

J9

J10

13

16

5

E

R1

47

B2

43 30

E7 E2 N F2

25

J15 B

F5

30

4

G7B

R6 H14

FC

B1

G7A

E9

AUXILIARY OUT FC FC MC MC

16

H13

CASE DRAIN

A

G5 G6

F7 A

J5

J16

G7A

10

G6

46

K8

T

14

G7B G8

22

AUX

P

H5

5

FC

RV1

BRAKE

16

5

K7A

40

T

K15

H9

16

9

Pilot pressure line Case drain line

39

R3 BRAKE

J9

K7B

SV1

2 SPEED

P

J10

H14

13

35 CV1

L15

RIDE CONTROL (OPTION)

P

15

44 J15

37

E

36

SELF-LEVEL (OPTION)

38

J5

K8

SECONDARY AUXILIARY (OPTION)

42

K7A

18

J16

Pilot pressure line Case drain line

F9

K11

T

Pilot pressure line Case drain line

Pilot pressure line Case drain line

HYDRAULIC COUPLER (OPTION)

FRAME 3 BC04H207-02

FRAME 4 BC04H207-03

FRAME 5

FRAME 6

BC04H207-04

BC04H207-05

FRAME 7 BC04H207-06

FRAME 8 BC04H207-07

BC04H207-08

COMPONENT IDENTIFICATION 1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

16.

17.

18.

19.

20.

21.

22.

23.

24.

25.

26.

27.

28.

29.

30.

31.

32.

33.

34.

35.

36.

37.

38.

39.

LEFT PISTON PUMP RIGHT PISTON PUMP CHARGE PUMP HYDROSTATIC PUMP CIRCUIT RELIEF VALVE TOW VALVE CHECK VALVE HYDRAULIC PUMP LEFT DRIVE MOTOR RIGHT DRIVE MOTOR LEFT BRAKE RIGHT BRAKE FLUSHING VALVE BRAKE SOLENOID VALVE CHARGE PRESSURE SWITCH ORIFICE HYDRAULIC RESERVOIR DRAIN MANIFOLD OIL COOLER OIL COOLER BYPASS VALVE BACKUP ALARM SWITCH PORTS BRAKE LIGHT SWITCH PORTS TILT CYLINDERS LIFT CYLINDERS MAIN RELIEF VALVE LOADER CONTROL VALVE TILT SPOOL LIFT SPOOL AUXILIARY SPOOL AUXILIARY OUTLETS LEFT TWO SPEED MOTOR RIGHT TWO SPEED MOTOR LEFT TWO SPEED SHUTTLE VALVE RIGHT TWO SPEED SHUTTLE VALVE BRAKE/TWO SPEED VALVE TWO SPEED SOLENOID VAVLE HIGH FLOW PUMP HIGH FLOW OIL COOLER HIGH FLOW CONTROL VALVE

40.

41.

42.

43.

44.

45.

46.

47.

48.

ATTACHMENT CASE DRAIN HYDRAULIC COUPLER CONTROL VALVE HYDRAULIC COUPLER CYLINDER SECONDARY AUXILIARY CONTROL VALVE 100 MESH SCREEN ACCUMULATOR CHECK VALVE SELF-LEVEL VALVE RIDE CONTROL SOLENOID VALVE

NOTES

HYDRAULIC SYMBOLS PRESSURE PILOT PRESSURE CASE DRAIN COMPONENT

CHECK VALVE

54 COMPONENT NUMBER

SHOWS CIRCUIT CROSSING NOT CONNECTED

SHOWS CIRCUIT CONNECTED

FILTER OR SCREEN

HYDRAULIC SCHEMATIC 435, 445, AND 445CT SKID STEER Additional copies of this Hydraulic and Electrical Schematic can be ordered through Technical Publications Distribution System. The part number is 6-76571

RESTRICTOR

OIL COOLER BC04H207-00

257-FE3 Y-0.8

121-FE8 Y-0.8 625-FE9 W-3.0

120DD R-8.0

C

D

FE-C4

120BB R-8.0

3

120A R-19

P L I S G

B+

F4-C8 F4-C4 F4-C15

C11 C10 C9

120G R-0.8 120H R-2.0

F4-C26 F3-C18

C8 C7 FG-C4

120G AR-2.0 120G BR-2.0

F4-C24 F4-C20

C6 C5

120K R-3.0 120B R-3.0 120L R-2.0 120U R-0.8

F3-C13 F4-C27 F3-C8 F3-C22

C4 C3 C2 C1

7 120AA R-8.0 FE-C126 A 126A A 625B W-3.0

120CC R-50

120R R-1.0 120F R-1.0 120D R-3.0

120E R-3.0

B

625FE13 W-3.0

A

6

A B C D E F G H I

248A T-0.8

124-FE4 R-0.8 121-FE8 Y-0.8

30

FG-C2

200J B-0.8 165B R-0.8

602-FE6 W-0.8

1

86

20A

FE-C52 52A

FE-C56

4

13

1A 2A 3A 4A 5A 6A 7A 8A 1B 2B 3B 14B2 5B 6B 7B 8B 1C 2C 3C 4C 5C 6C 7C 8C

8 2 1

POS_CBL

85 86 87A 87 30

14

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

200H B-0.8

205A R-0.8 253A Y-0.8 200K B-0.8 200M B-0.8 252A O-0.8

132A R-0.8 248A T-0.8 212A R-0.8 205A R-0.8 200J B-0.8 200K B-0.8 200L B-0.8 200M B-0.8

200N B-0.8 212A R-0.8 254A O-0.8 200L B-0.8 235A Y-0.8

165A R-0.8

245A Y-0.8 635A W-0.8 253A Y-0.8 235A Y-0.8 254A O-0.8 252A O-0.8 216B O-0.8

216A Y-0.8 216B O-0.8

216A Y-0.8

10A 86 30 10A

FG-C3

675A R-0.8

675A R-0.8

87 87A 85

87 87A 85

85 86 87A 87 30

15

20A 86 30

87 87A 85

85 86 87A 87 30

16

86 30

87 87A 85

85 86 87A 87 30

17

86 30

138B R-1.0 751A O-1.0 137F R-0.8

138C R-1.0 141A R-1.0 137G R-0.8 120K R-3.0 138K R-1.0 129G O-1.0 138H R-2.0

178-FE11 B-0.8

25A 86 30

C18 C17 C16

F1-C7 F3-C11 F28-C2

F28-C5 F8-C12

C15 C14

F1-C4

C13

5A 87 87A 85

85 86 87A 87 30

19

20A 86 30 15A

F19-C13 C12 F3-C17 C11

138F R-2.0 129A O-2.0 137H R-0.8 120L R-2.0

F1-C2

797A O-1.0

F18-C9

F8-C1

C6

F18-C7

C5

790HH P-0.8

F12-C14

122L R-2.0

F4-C23 F4-C9

86 30 7.5A 87 87A 85

C7

796F O-1.0

F12-C1

7.5A

C8

131F R-0.8

790HK P-2.0

87 87A 85

85 86 87A 87 30

20

F19-C10 C10 F8-C11 C9

9

85 86 87A 87 30

21

10A 86 30 15A 87 87A 85

C4 85 86 87A 87 30

22

C3

15A 86 30

C2 C1

626A W-3.0 625A W-3.0 622A O-0.8 120B R-3.0 120G R-0.8 313D R-0.8 622A O-0.8

F1-C12

C28

F1-C3 F1-C8 F9-C6

C27 C26 C25

120GA R-2.0 122A R-2.0 320C T-0.8

F1-C6 F3-C2 F20-C9

622D W-0.8 120G BR-2.0 122B R-2.0 136A R-3.0

F28-C14 C21 F1-C5 C20 F28-C4 C19

790AN P-1.0 793A P-1.0 131C R-0.8

F12-C11 C18 F18-C10 C17 F8-C2 C16

120D R-3.0 790AM P-1.0 794A P-1.0 790AL P-2.0

F1-C9 F12-C12 F18-C11 F12-C3

C24 C23 C22

430

C15 C14 C13 C12

136C R-1.0 890A O-1.0 790EE P-0.8

F19-C23 C11 F12-C7 C10

122K R-2.0 120R R-1.0 796B O-1.0 790KK P-2.0 790JJ P-2.0

F3-C1 F1-C11 F18-C8 F12-C10 F12-C13

319CA R-0.8 178GB B-1.0 891A Y-0.8 893A Y-0.8 201A B-0.8 681C Y-0.8 178GA B-0.8 329A R-0.8

319CA R-0.8 178GA B-0.8 681C Y-0.8 329A R-0.8

F1-C10 F8-C5 F12-C6

C4 C3 C2

790L P-2.0

F12-C2

C1

1 2 3 4 5 6

1 2 3 4

23

1 2 3 4

F22-C4 F22-C1

641B W-0.8-TXL 258A T-0.8-TXL 622E W-0.5-TXL 754B P-0.5-TXL 622G W-0.5-TXL 323B T-0.5-TXL 313A T-0.8-TXL 303E T-0.8-TXL 261B Y-0.5-TXL 266B Y-0.5-TXL 262D Y-0.5-TXL 255D Y-0.5-TXL 124F R-0.8-TXL 200B B-0.8-TXL 131H R-0.5-TXL 137J R-0.5-TXL 300B R-0.5-TXL 300C R-0.5-TXL 257D Y-0.5-TXL 319C T-0.8-TXL

F27-C59 C23 F28-C24 C22

33 57

178AM B-0.8 303C T-0.8

30

300A R-1.0 F27-C52 F28-C27

F28-C26

F28-C35

262A Y-0.8 178AU B-0.8

C13 F27-C30

B A

27

P

34

303B T-0.8

C16 F28-C11

303D T-0.8 178AN B-0.8

313A T-0.8-TXL 313F T-0.8

35

A B C

120

C15

535B T-0.8 178AW B-0.8

F27-C7

36

122D R-2.0

C9 F28-C21 F27-C47 790G P-1.0 790H P-1.0 790W P-0.8 C4 F27-C48

1 2 3 4 5

C8 F12-C15 F12-C16 F27-C34

C5

790E P-0.8 790A P-2.0 790DD P-0.8

F27-C19

565D O-0.8 178AX B-0.8

137M R-0.8

137M R-0.8

28

1

178J B-0.8

F27-C42

21

137K R-0.8

30

155B

B A

37

137G R-0.8 137H R-0.8 137N R-0.8 137F R-0.8 137E R-0.8

C12 F3-C14 C11 F3-C9 C10 F1-C14 C9 F3-C19 C8 F28-C17

234A Y-0.8

48

565A O-0.8 565B O-0.8

C14 F19-C15 C13 F28-C16

311

C7 C6

771D Y-0.8

A B

28

C8

1

B A

104

313A T-0.8-TXL 313B T-0.8 313G T-0.5-TXL

C12 F6-C18 C11 F27-C55 C10 F6-C25

C3

24

A B

103

C7 C6 C5 139B R-0.8 622F W-0.8 131G R-0.8 137B R-0.8

A B

41

F28-C25 C21 622C W-0.8 F28-C31 C20 F28-C29 C19 F7-C12 C18 F14-C3 C17 F27-C54 C16 F27-C57 C15 F27-C61 C14 F27-C46 C13 F28-C30 C12 F27-C53 C11 131B R-0.8 F28-C32 C10 137D R-0.8 F28-C34 C9

C2 C1

38

C4

C7

121B Y-0.8

F1-C13

20

R L

ACC

432

201B B-0.8 891A Y-0.8

F27-C56 C24

9

IGN

C9 C8 C7 C6 C5

120F R-1.0 817B R-1.0 790K P-0.8

1 2 3 4 5 6 7 8

403

1 2

157B

772D G-0.8

1

ST

50 OHMS

F27-C41

C3

C2

F27-C23

115 115A

261A Y-0.8

C6

156B

24

F27-C9

31

574B O-0.8 178AV B-0.8

A A B B

433

201C B-0.8 893A Y-0.8

GND-8

71

69

1 2

A B C

310

25

GND-1

178DB B-1.0

NEG_CBL

18

F19-C20 C20 F8-C9 C19

120H R-2.0 138H R-2.0 820A O-2.0 138E R-3.0

85 86 87A 87 30

602C W-0.5-TXL

1 2 3 4 5 6 7 8 9 10

817E R-0.8

F27-C43

P

C2

C5 C4

178D B-0.8 C1

62

565C O-0.8

F28-C33

C1

178Y B-0.8

GND-5

GND-2

178M B-1.0 817C R-1.0

817B R-1.0 817F R-0.8

F4-C3 F27-C13

1 1 72

264A Y/W-0.8

F27-C29

25

32

T

C3 C2 C1

178M B-1.0

FE-C26

C1

F1-C23

10A

C29

258B T-0.8 178AL B-0.8

F28-C7

26

178AV B-0.8

3

85 86 87A 87 30

F1-C16

892A O-0.8 178AT B-0.8

C14 F19-C21

178AX B-0.8

255-FE2 Y-0.8

1

F27-C26 C22 F27-C16 C21 F27-C22 C20 F28-C13 C19 F9-C5 C18 F20-C8 C17 F4-C29 C16 F28-C9 C15 F8-C10 C14 F8-C7 C13 F4-C28 C12

266C Y-0.8 255C Y-0.8 257C Y-0.8 124C R-0.8 313K R-0.8 602E W-0.8 300F R-0.8 137N R-0.8 121B Y-0.8 625A W-3.0

1 2 3 4 5 6 7 8 9 10

136B R-1.0 300E R-1.0 626A W-3.0

C17

178AW B-0.8

FE-C27

1 2 3 4 5 6 7 8 9 10

AA1 A1 B1 C1 D1 AA2 A2 B2 C2 D2 AA3 A3 B3 C3 D3 AA4 A4 B4 C4 D4 AA5 A5 B5 C5 D5 AA6 A6 B6 C6 D6 AA7 A7 B7 C7 D7 AA8 A8 B8 C8 D8 AA9 A9 B9 C9 D9 AA10 A10 B10 C10 D10

87 87A 85

80 40

178AN B-0.8

266-FE1 Y-0.8 255-FE2 Y-0.8 257-FE3 Y-0.8 124-FE4 R-0.8 313-FE5 R-0.8 602-FE6 W-0.8 300-FE7 R-0.8

1 2 3 4 5 6

F1-C1 C22 F28-C18 C21

F27-C49 C27 F27-C60 C26 F7-C10 C25

178AM B-0.8

266-FE14 Y-0.8

2

165C R-0.8 132A R-0.8 635A W-0.8 200P B-0.8 245A Y-0.8

120U R-0.8 139A R-0.8 138A R-2.0

AA1 A1 B1 C1 D1 AA2 A2 B2 C2 D2 AA3 A3 B3 C3 D3 AA4 A4 B4 C4 D4 AA5 A5 B5 C5 D5 AA6 A6 B6 C6 D6 AA7 A7 B7 C7 D7 AA8 A8 B8 C8 D8 AA9 A9 B9 C9 D9 AA10 A10 B10 C10 D10

87 87A 85

234B Y-0.8-TXL 264B Y-0.5-TXL 313G T-0.5-TXL

178AL B-0.8

FG-C1

15A

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26

178AU B-0.8

C23

F2-C1

SOLENOIDS AND CONNECTORS

C23 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26

178AT B-0.8

2 1

5A

SWITCHES AND SENDERS

178J B-0.8

1

INSTRUMENT CONSOLE

24A

201C B-0.8 201B B-0.8

FE-C29

24A

1 2 3 4 5 6

178GB B-1.0

FE-C17

313-FE5 R-0.8 300-FE7 R-0.8 625-FE12 W-0.8 178-FE11 B-0.8 266-FE15 Y-0.8

PROPORTIONAL AUXILIARY

POWER DISTRIBUTION

178DA B-1.0

178-FE10 B-0.8

178-FE11 B-0.8

POWER DISTRIBUTION

178J B-0.8

F5C ENGINE HARNESS

STARTING SYSTEM 420, 430, 435, 445, 420CT, AND 445CT MODELS

131A R-0.8 131C R-0.8 131F R-0.8

F28-C15 F4-C16 F3-C6

131A R-0.8 131D R-0.8

A B

39

178-FE10 B-0.8 GND-2

FRAME 2

FRAME 1

FRAME 3

BC08A233-01A

BC08A233-02A

SWITCHES 300 A B C D E

40

751N O-0.8 547A O-0.8 178R B-0.8

771H Y-0.8 772H Y-0.8 794C P-1.0 793C P-1.0 797H O-1.0 178ED B-2.0

SJ-C1 1 2 3 4

313H R-0.8 323D T-0.8

1 2

420

178T B-0.8

A B C D E F

41 SH-C1

751P O-0.8 178SD B-0.8 313J R-0.8 323E T-0.8

47

301

C10

F9-C3

761D P-1.0 796H P-1.0

C9

F9-C2

786AB Y-1.0 786AF Y-1.0

797J 0-1.0 797K O-1.0

797J O-1.0

786AB Y-1.0 786AD Y-1.0 786AE Y-1.0

797H O-1.0

A B C D E F

790P P-2.0

C17 F28-C20

A B C D E

43

1 2

C16

F7-C6

F27-C44 C11

786H Y-1.0 786J Y-1.0

786D Y-1.0 F27-C33 C9

535A T-0.8 751C O-0.8 178V B-0.8

F27-C37 F27-C38

790G P-1.0 178H B-1.0

F7-C7

F27-C45 C10

772J Y-1.0 772K Y-1.0

772H Y-0.8

C14 C13

772J Y-1.0 786AE Y-1.0 772N Y-1.0 797K O-1.0

C8 C7

86 30 85 87 87A

771M Y-1.0 786AD Y-1.0 178EF B-1.0 771J Y-1.0

771J Y-1.0 771K Y-1.0

A B C

790GG P-1.0 178AH B-1.0

178AJ B-0.8 790U P-0.8 C12 C11 C10

790AM P-1.0 790AN P-1.0 790KK P-2.0

F4-C14 F4-C18 F4-C6

790LL P-1.0

C3 C2 C1

A B C D E F

45

856B Y-1.0 129E 0-1.0

F27-C50

772K Y-1.0 771K Y-1.0 793C P-1.0 794C P-1.0 795G O-0.8 178EL B-2.0

C6

F28-C23

C5

855B Y-1.0 129F O-1.0 854B Y-1.0

F27-C31 F27-C32

C3

C9

F18-C17

795F O-0.8

795G O-0.8 795F O-0.8 795H O-0.8

C6 C5

1

795H O-0.8

C4

SEE NOTE 1

1

178E B-1.0

GND-2 GND-2 GND-2 GND-2 GND-2

178FB B-1.0 793F P-1.0 795M O-0.8 772M Y-0.8

178N B-1.0 820C 0-2.0

F28-C19

C1

1 2 3

772R Y-0.8 772M Y-0.8 793E P-1.0 178FC B-1.0 772R Y-0.8 793G P-0.8

F11-C1 F25-C2

HV-C4 B C H M L

1 2 3 4 5 6

793E P-1.0 793F P-1.0 793G P-0.8 793H P-0.8

772L Y-1.0 771L Y-1.0 793D P-1.0 794D P-1.0 795K O-0.8 178FA B-2.0

794E P-1.0 794G-1.0 794F P-0.8

793H P-0.8 178FD B-0.8

1 2 3 4

1 2 3 4 231A

69

B R DG LG

50

70

C6 C5 C4

178FB B-1.0 178FC B-1.0 178FD B-0.8 178FE B-1.0 178FF B-1.0

794E P-1.0 178FE B-1.0 771N Y-0.8 794F P-0.8

A B C

706TK P-1.0 178TK B-1.0 755A P-0.8 706TM P-0.8

706TM P-0.8 755A P-0.8

A A B B

1 2 3 4

C2 C1

F11-C4 F25-C5

178N B-1.0

68

303F T-1.0 303J T-1.0 771C Y-0.8 772C Y-0.8 794A P-1.0 793A P-1.0 797A O-1.0 178AG B-2.0 796B O-1.0 796F O-1.0 796G O-1.0 786C Y-1.0 786F Y-1.0 786K Y-1.0

303F T-1.0 303J T-1.0 771C Y-0.8 772C Y-0.8 794A P-1.0 793A P-1.0 797A O-1.0 178AG B-2.0 796C O-1.0 786C Y-1.0 786F Y-1.0 786K Y-1.0

F27-C6 F27-C5 F27-C12 F27-C11 F4-C13 F4-C17 F3-C7

C15 C14 C13 C12 C11 C10 C9

F4-C7 F3-C5 F27-C27 F27-C15 F27-C14 F27-C3

C8 C7 C6 C5 C4 C3

GND-1

FRAME 17

C3 C2 C1

71

178TKX B-1.0 706TKX P-1.0

1 2 3 4 232B

706TKX P-1.0 178TKX B-1.0 755AX P-0.8 706TMX P-0.8

1 2 3 4 227A

B R DG LG

1 2 3 4

706TMX P-0.8 755AX P-0.8

FOOT

COIL

TEMP.

DIODE

PRESSURE FLOAT LIQUID LEVEL

CONTACT CONFIGURATIONS

S. P. D. T.

D. P. S. T.

PRESSURE SWITCH

M LAMP

MOTOR

T TEMPERATURE SWITCH

MISCELLANEOUS SYMBOLS MOMENTARY MAINTAINED

S. P. S. T.

D. P. D. T.

CONTACTS

1 2 3 4 5 6

54 VARIABLE RESISTOR

RESISTOR

FUSE

CIRCUIT BREAKER

MALE TERMINAL

FEMALE TERMINAL

790AL P-2.0 790L P-2.0

790HK P-2.0

1

F28-C28

F4-C12 F4-C1

F3-C4

1 2 3 4

890A O-1.0 890B O-1.0 892A O-0.8 751A O-1.0 751B O-0.8 751J O-0.8 751K O-0.8 751L O-0.8

F4-C11 F13-C1 F7-C14 F3-C20 F27-C8 F27-C21 F27-C10 F9-C8

C23 C22 C21 C20 C19 C18 C17 C16

565A O-0.8

F8-C14

C15

C2 C1

F22-C5 F22-C2

A B

129B O-1.0 129G O-1.0

F28-C6 F3-C12

C14 C13

COMPONENT NUMBER

A B

229B B-0.8 229D B-1.0 229C B-1.0 229E B-1.0

C3 C2

GND-6

129 B A

75

319L T-0.8 320B LB-0.8

A B C D

319G T-0.8 754A P-0.8

F20-C10 C12 F28-C8 C11

A B

602D W-0.8 320A LB-0.8

602D W-0.8 319E T-0.8 320F LB-0.8

A B C D

C12 F27-C25

323 1 2 3 4 5 6 7 8 9 10 11 12

72 73

C11 F28-C10 C10 F19-C12

850A Y-1.0 851A Y-1.0 129A O-2.0 852A Y-1.0 853A Y-1.0 854A Y-1.0 855A Y-1.0 856A Y-1.0 178AF B-2.0

129A O-2.0

F3-C10

C10

854A Y-1.0 855A Y-1.0 856A Y-1.0

F27-C2 F27-C1 F27-C20

C9 C8 C7

319B T-0.8 319G T-0.8 C9

602B W-0.8 319F T-0.8 320C T-0.8

A B C D

F1-C17 F28-C1

602E W-0.8 602T W-0.8 602G W-0.8

A B C D

GND-7

SHOWS CIRCUIT SPLICE CONNECTION INDICATES EXTERNAL GROUND GROUND

SPL-00

SHOWS CIRCUIT CROSSING NOT CONNECTED INDICATES INTERNALLY GROUNDED COMPONENT

FEMALE CONNECTOR

F20-C2

A B C

64

502

A B C

A B C

66

A B C

CONNECTOR NUMBER CONNECTOR IDENTIFICATION CONNECTOR NUMBER

45E 45D RELAY REAR 4 4 18 18 27 27 32A 32B

791F P-0.8 200G B-0.8 791E P-0.8 200F B-0.8 791D P-0.8 200E B-0.8 791C P-0.8 200D B-0.8

200F B-0.8

791D P-0.8 200E B-0.8

68B

791A P-1.0 200A B-1.0

A B

A B C

67

791C P-0.8 200D B-0.8

GND-1

GND-2

FRAME 15

BC08A233-14A

FRAME 16 BC08A233-15A

BC08A233-016A

C6

F20-C4

FRAME 3 COMPONENTS 3 - 13. Optional Power Relay - 1 3 - 14. Optional Power Relay - 2 3 - 15. HVAC Relay 3 - 16. Hazard/Turn Relay 3 - 17. Lamp Relay -3

C5

F20-C5 F20-C1

C4 C3

F20-C6 F20-C3

C2 C1

FRAME 4 COMPONENTS 4 - 18. Starting Relay 4 - 19. Start/Interlock Relay 4 - 20. Main Power Relay 4 - 21. Lamp Relay - 1 4 - 22. Lamp Relay - 2 FRAME 5 COMPONENTS None Assigned FRAME 6 COMPONENTS 6 - 23. Ignition Switch 6 - 24. Turn Signal Indicator 6 - 25. 2-Speed Indicator

FRAME - COMPONENT NUMBERS

FRAME 8 COMPONENTS 8 - 33. Brake Release and Tandem Pump 8 - 34. Override Solenoid 8 - 35. Loader Valve Solenoid 8 - 36. Hi-Flow Solenoid 8 - 37. 2-Speed Solenoid 8 - 38. Alternator Excite 8 - 39. Reverse Polarity Protection Diode FRAME 9 COMPONENTS None Assigned

FRAME - COMPONENT NUMBERS

FRAME 14 COMPONENTS 14 - 61. Washer Switch

FRAME 23 COMPONENTS None Assigned

FRAME 15 COMPONENTS 15 - 62. Ride Control Solenoid

FRAME 24 COMPONENTS None Assigned

FRAME 16 COMPONENTS 16 - 63. Rotating Beacon 16 - 64. Left-Hand Front Strobe 16 - 65. Right-Hand Front Strobe 16 - 66. Right-Hand Rear Strobe 16 - 67. Left-Hand Rear Strobe

FRAME 25 COMPONENTS 25 - 85. Flasher Module 25 - 86. Timer Relay

FRAME 10 COMPONENTS 10 - 40. Hydraulic Coupler Switch 10 - 41. Beacon Switch 10 - 42. Hazard Switch 10 - 43. High Flow Switch 10 - 44. Auxiliary Electric ON/OFF Switch 10 - 45. Auxiliary Electric Forward/Reverse Switch 10 - 46. Loader Lock-Out Switch

FRAME 17 Components 17 - 68. Blower Motor

FRAME 11 COMPONENTS 11 - 47. Flasher Module 11 - 48. Turn Signal Conversion Module

FRAME 19 COMPONENTS None Assigned

FRAME 12 COMPONENTS 12 - 49. Left-Hand Front Work Lamp 12 - 50. Right-Hand Front Work Lamp 12 - 51. Left-Hand Auxiliary Work Lamp 12 - 52. Right-Hand Auxiliary Side Lamp 12 - 53. Rear Work Lamp 12 - 54. Left-Hand Rear Position Lamp 12 - 55. Right-Hand Rear Position Lamp 12 - 56. Light Diode #1 12 - 57. Light Diode #2 FRAME 13 COMPONENTS 13 - 58. Backup Alarm Switch 13 - 59. Backup Alarm Switch 13 - 60. Backup Alarm

FRAME - COMPONENT NUMBERS

FRAME 18 COMPONENTS 18 - 69. Left-Hand Rear Turn Lamp 18 - 70. Left-Hand Rear Tail/Brake Lamp 18 - 71. License Lamp 18 - 72. Right-Hand Rear Turn Lamp 18 - 73. Right-Hand Rear Tail/Brake Lamp

FRAME 26 COMPONENTS 26 - 87. Timer Relay 26 - 88. Brake Switch 26 - 89. Brake Switch FRAME 27 COMPONENTS None Assigned FRAME 28 COMPONENTS None Assigned FRAME 29 COMPONENTS None Assigned

FRAME 20 COMPONENTS 20 - 74. Diode 20 - 75. Diode 20 - 76. Auxiliary Hydraulic Spool Neutral Switch FRAME 21 COMPONENTS 21 - 77. Horn 21 - 78. Two-Speed 21 - 79. Front Electrical Control Switch #1 21 - 80. Turn Signal Switch FRAME 22 COMPONENTS 22 - 81. Park Brake 22 - 82. Ride Control 22 - 83. Prop Auxiliary 22 - 84. Front Electrical Control Switch #2

BC08A233-20A

WIRE IDENTIFICATION

CIRCUIT CONTINUATION Frame Number and Circuit Number where Circuit continues.

NOT ALL CONNECTIONS ARE SHOWN

791E P-0.8

FRAME 20

FRAME 19

INDICATES PARTIAL CONNECTOR

200G B-0.8

341

FRAME 7 COMPONENTS 7 - 26. Horn 7 - 27. Charge Pressure Switch 7 - 28. Seat Bar Switch 7 - 29. Not Used 7 - 30. Fuel Level Sender 7 - 31. Hydraulic Filter Pressure Switch 7 - 32. Hydraulic Oil Temperature Sender

MALE CONNECTOR

C1

791F P-0.8

343

FRAME 2 COMPONENTS None Assigned

BC08A233-19A

1 1 2 2 3 3

F16-C3

344

FRAME 1 COMPONENTS 11. Air Filter Restriction Switch 12. Engine Oil Pressure Switch 13. Engine Coolant Temperature Sender 14. To Fuel Delivery System 15. Not Used 16. Alternator 17. Power Distribution Point 18. Starter Motor and Solenoid 19. Battery 1 - 10. Not Used 1 - 11. Not Used 1 - 12. Not Used

127A

C8 C7

C2

COMPONENTS

F4-C22

602F W-0.8

F16-C4

68A

62

BC08A233-13A

125

C126

A B

78

1 2 3 4 5 6 7 8 9 10

FRAME 14

125B

319D T-0.8

178B B-1.0 761G P-1.0

324

342

225C P-1.0 229A B-1.0 206D P-1.0

A B

63

A B C

206A R-1.0 206B R-1.0 206C R-1.0

C1

FRAME 13

319E T-0.8 319K T-0.8

C4 C3

831AA Y-0.8

65

123

74

F16-C2 F16-C1

402

C1

57

127

229

HOUSINGS VACUUM SWITCH

B A

1 2

F6-C17 C3 F28-C22 C2

AUXILIARY OVERRIDE

BC08A233-18A

P

790FF P-0.8 790B P-0.8

76

BC08A233-17A

HAND

F22-C7 F22-C6 F22-C3

319G T-0.8 754A P-0.8 129J O-1.0 852A Y-1.0 853A Y-1.0 751E O-0.8

1 2 3 4 5 6

FRAME 18

V

895B O-0.8 178AR B-0.8

56

49

GND-5

ACTUATORS

46

178AF B-2.0

HJ-C2

1 2 3 4 5 6 7 8 9 10 11 12

129H O-1.0 850A Y-1.0 851A Y-1.0 129J O-1.0

228

R B

751A O-1.0 751B O-0.8 751E O-0.8 751H O-0.8

890C O-0.8 892A O-0.8 751D O-0.8 565A O-0.8

178AG B-2.0

350 HJ-C3

HJ-C1

LEVER

1 2 3 4 5 6

227

178FF B-1.0 794G P-1.0 795L O-0.8 771R Y-0.8

1

009B DB-1.0

003B P-2.0 004B Y-2.0 005B O-2.0 005C O-2.0

1 2 3 4 232A

233

HV-C7

008B DB-1.0 004B Y-2.0 005B O-2.0 000G B-0.8 003B P-2.0 009B DB-1.0

178TK B-1.0 706TK P-1.0

F21-C7 F21-C6 F21-C3

1 2 3 4 5 6 7 8

230A

008B DB-1.0

008A DB-1.0 004A Y-2.0 005A O-2.0 000F B-0.8 003A P-2.0 009A DB-1.0

1 2 3 4

795L O-0.8 795M O-0.8

415

HJ-C4

A B C D E F G

266A P-1.0 206B R-1.0 225A P-1.0 229B B-0.8

47

790M P-2.0

1 1

303E T-0.8 TXL 141B R-1.0 178L B-1.0 303A T-0.8

FRAME - COMPONENT NUMBERS

230

HV-C8

A B C D E F G

60 A B

A B C D

503

229E B-1.0 225B P-1.0 206C R-1.0

55

BC08A233-12A

CONTROL HANDLE CONNECTORS

232

771N Y-0.8 771R Y-0.8

A B C D E F

HV-C5

HC-C2

1 1

BC08A233-11A

ROAD AND BOOM LAMPS AND ROAD LAMPS ADAPTER

C17 C16

009 DB-1.0

895A O-1.0 895B O-0.8 45

FRAME 12

BC08A233-10A

HV-C2

008 DB-1.0 004 Y-2.0 005 O-2.0 000B B-0.8 003 P-2.0 009 DB-1.0

311LP T-1.0 311MP T-1.0

P

GND-1 GND-1 GND-1 GND-2 GND-5 GND-5 GND-5

HV-C3

008A DB-1.0 004A Y-2.0 005A O-2.0 000F B-0.8 003A P-2.0 009A DB-1.0

54

A B C D

315

790K P-0.8 790F P-0.8

F4-C2 F27-C17

790N P-2.0

F28-C3

FRAME 11

HVC1

000D B-0.8 008 DB-1.0 002 R-1.0

59

101B

178R B-0.8

178X B-0.8

117

A B C D E F G

1 1

178K B-1.0 761D P-1.0

F10-C13

504

44

790CC P-0.8 790EE P-0.8

F27-C18 F4-C10

SEE NOTE 2

231

A B C D E F G

311MM T-1.0 206AA R-1.0 229DD B-1.0 311LL T-1.0

C2 C1 178T B-0.8

F27-C35 F27-C36

178U B-0.8

303H T-1.0 303G T-1.0

HEATING, VENTILATION AND AIR CONDITIONING

HC-C1

53

790AA P-0.8 790BB P-0.8

F27-C4

101 101A

196

BC08A233-9A

A A B B

C8 C7

C1

45A

FRAME 10

001B R-0.8 001A R-2.0 002 R-1.0 005 O-2.0 004 Y-2.0 003 P2.0

C1

225B P-1.0 225A P-1.0

GND-2

000C B-0.8 006 Y-0.8

F19-C22

C4

178V B-0.8

178AY B-0.8

1 2 3 4 5 6 415A

FRAME 9

001C R-0.8

68

C5 65A 65

890B O-1.0 895A O-1.0

P

314

178W B-0.8

A B C D E

46

001D R-0.8 006 Y-0.8 000E B-0.8

A B

178W B-0.8

305

F9-C10 F9-C9 F26-C1

1 2

178M B-1.0

44

1 2 3 4

000A B-2.0 001A R-2.0

52

38

306

GND-6

229CC B-1.0 311MN T-1.0 226AA P-1.0 206AA R-1.0 311LM T-1.0 229DD B-1.0

42

A B

178AK B-0.8

F27-C24 F4-C25 F1-C18 F28-C12

229D B-1.0

1 2 3 4 5 6

37

790V P-0.8 178AK B-0.8

178AJ B-0.8

C7 C6 C5 C4

751L O-0.8 178AY B-0.8 313E R-0.8 323A T-0.8

58

35

771H Y-0.8

178AH B-1.0

A B C D E F

58

751L O-0.8 178AY B-0.8 313C R-0.8 313D R-0.8 313K R-0.8 323A T-0.8

F19-C16

51

1 2 3 4 5 6

304

129D O-1.0 C8

226A P-1.0 206A R-1.0

B A

36

178H B-1.0

SH-C6 1

229C B-1.0

226AA P-1.0 229CC B-1.0

33

790HH P-0.8 790JJ P-2.0

F3-C3 F4-C5

C3 C2

F21-C1 F21-C4

178G B-1.0

178SF B-0.8

610A

50

C401

771M Y-1.0 786AF Y-1.0 772N Y-1.0

178F B-1.0

751P O-0.8

SH-C5 1

61

501

A B

43 184 86 87 30 85 87A

183

399A Y-0.8

49

312

178G B-1.0 790H P-1.0

48

786E Y-1.0 786G Y-1.0 178U B-0.8

303

SH-C3

SH-C4 1

B A

34

790C P-1.0 178F B-1.0

C4

F18-C2

C15

SH-C2 1 2

ROTATING BEACON STROBE LAMPS

610B

302

42

313J R-0.8 323E T-0.8

786AG Y-1.0

178ED B-2.0

RIDE CONTROL

DOOR HARNESS

32

178E B-1.0 790D P-1.0

313

1 2 3 4

399A Y-0.8 178SE B-0.8

178EG B-1.0

85 86 87A 87 30

F16-C5 C13 F27-C58 C12

178EF B-1.0 178EG B-1.0 178EL B-2.0 786AG Y-1.0

BC08A233-08A

178L B-1.0

SJ-C2

BACKUP ALARM

350B 1 2 3 4 5 6 7 8 9 10 11 12

FRAME 8 BC08A233-07A

BC08A233-06A

WORK AND AUXILIARY LAMPS

F27 -C40 C15 F27-C39 C14

GND-5 GND-6 GND-6 GND-6 GND6 GND-6 GND-6

FRAME 7

BC08A233-05A

BC08A233-04A

LAMP HARNESS NORTH AMERICA

GND-6 GND-6

FRAME 6

178K B-1.0

SEAT HARNESS AND SEAT HARNESS WITH HEATED SEAT

BC08A233-03A

GND-2

FRAME 5

FRAME 4

FRAME - CIRCUIT

CIRCUIT TAGS F11-C4 C1 C1 F19-C7 CIRCUIT

Circuit Number assigned to Circuit in Frame.

B . . BLACK DB. . DARK BLUE G. . . GREEN K . . . PINK LG. . LIGHT GREEN LB . . LIGHT BLUE DG . DARK GREEN

O. . . ORANGE P . . . PURPLE R . . . RED T . . TAN W . . WHITE Y . . . YELLOW

NOTES

BL (933) 0.8 702A G-1.0 WIRE NUMBER WIRE COLOR

WIRE SIZE

NOTE 1: Connect 45A to connector 45 on the Chassis Harness, and Plug Connector 196 to the Backup Switch instead.

NOTE 2: Connect 101 and 101B for European Configuration.

NOTE 3: Connect 45B to Connector 45C on the Brake Lamp Harness.

ELECTRICAL SCHEMATIC 435, 445 SKID STEER AND 445CT COMPACT LOADER TIER 3 CAB UPGRADE MACHINES Additional copies of this Hydraulic and Electrical Schematic can be ordered through Technical Publications Distribution System.

The part number is 5-9630 Copyright © 2008. CNH America, LLC. All Rights Reserved.

BC08A233-00A

RIGHT-HAND CONTROL HANDLE (OPTIONS) BASIC

77 BASIC

1 2 3 4 5 6 7 8

319AB R-1.0 754AB P-0.8

81 F19-C6

RADIO

LAMP HARNESS EUROPE

1 2 3 4 5 6

350A

F19-C3

85 411 85 86 87A 87 30

890AC O-0.8 892AC O-0.8

77

890AC O-0.8 892AC O-0.8 751AC O-0.8 565AC O-0.8

751AC O-0.8 565AC O-0.8

78

1 2 3 4 5 6 7 8

49C

319AD R-0.8 319AC R-1.0 754AC P-0.8

82

319AC R-1.0 754AC P-0.8

751BC O-0.8

C6

F19-C5

F19-C2

C6

831AC Y-0.8

A B

681-KK5 DB-1.0 178-KK1 B-1.0

C5

319AD R-0.8 178XB B-0.8 681B Y-0.8 151B O-0.8

771AC Y-1.0 786AC Y-1.0 772AC Y-1.0

772AC Y-1.0

80

A B C

F25-C4 F11-C2

C5 C4

83

771AC Y-1.0 786AC Y-1.0

GND PROPA 5V

178XB B-0.8 681B Y-0.8 151B O-0.8

C1

1 2

F27-C51

139E O-0.8 178CA B-0.8

139F O-0.8 139E O-0.8

KK-C1

1 2 3 4

F5-C2

C4

681-KK5 DB-1.0 178-KK2 B-1.0 680-KK4 W-1.0 120-KK3 LB-1.0

333

87 87A 86 85 30

950A LG-0.8 951A LB-0.8 332

952A V-0.8 951A LB-0.8 950A LG-0.8 953A W-0.8 178CA B-0.8

50A

890CA O-0.8 892AA O-0.8

77

890CA O-0.8 892AA O-0.8 751AA O-0.8 565AA O-0.8 129AA O-1.0 850AA Y-1.0 851AA Y-1.0

751AA O-0.8 565AA O-0.8

78

82

1 2 3 4 5 6 7 8

F19-C4

319AA R-1.0 754AA P-0.8 129AC O-1.0 852AA Y-1.0 853AA Y-1.0 751BA O-0.8

C3

178-KK2 B-1.0 F19-C1

120-KK3 LB-1.0 178-KK1 B-1.0

831AB Y-0.8

A B

682-KK6 W-1.0 680-KK4 W-1.0

C2

771E Y-1.0 786M Y-1.0 772F Y-1.0

771F Y-0.8 771P Y-1.0 771G Y-1.0 771E Y-1.0

83 89

850AA Y-1.0

79

GND PROPA 5V

851AA Y-1.0 129AA O-1.0

178XA B-0.8 681A Y-0.8 151A O-0.8

F5-C1

A B C

F21-C5 F21-C2

C4 C3

87

178EH B-0.8 303K T-0.8

86

1 2

A1 B

F25-C3 F11-C3

C2 C1

A B

178EH B-0.8 303L T-0.8

A B

772G Y-1.0 771G Y-1.0 793B P-1.0 794B P-1.0 795E O-0.8 178EM B-2.0

1 2 3 4 5 6

190 85 86

178EJ B-0.8 795E O-0.8

87

795A O-0.8

T

60A 60

F18-C16

C2

415B

89

795B O-0.8

795B O-0.8

795D O-0.8

795D O-0.8

1

SEE NOTE 3 C1

F26-C2

A B A B

1 2 3 4

262D Y-0.5-TXL 264B Y-0.5-TXL 641B W-0.8-TXL 796H P-1.0 266B Y-0.5-TXL 602C W-0.5-TXL 313B T-0.8 261B Y-0.5-TXL 200B B-0.8-TXL 257D Y-0.5-TXL 751M O-0.8 856B Y-1.0 234B Y-0.8-TXL 790DD P-0.8 790E P-0.8 255D Y-0.5-TXL 786D Y-1.0 786E Y-1.0 817E R-0.8 771D Y-0.8 772D G-0.8 751N O-0.8 547A O-0.8 751C O-0.8 535A T-0.8 303G T-1.0 303H T-1.0 790W P-0.8 786J Y-1.0 854B Y-1.0 855B Y-1.0

F6-C14 F6-C26 F6-C23 F10-C12 F6-C15 F6-C24 F7-C11 F6-C16 F6-C11 F6-C7 F24-C1 F10-C6 F6-C27 F7-C4 F7-C8 F6-C13 F10-C10 F10-C11 F6-C2 F6-C4 F6-C3 F10-C15 F10-C14 F10-C7 F10-C8 F10-C1 F10-C2 F7-C5 F10-C9 F10-C3 F10-C4

C61 C60 C59 C58 C57 C56 C55 C54 C53 C52 C51 C50 C49 C48 C47 C46 C45 C44 C43 C42 C41 C40 C39 C38 C37 C36 C35 C34 C33 C32 C31

C18

F3-C21

C17 F8-C8 C16 F8-C13 C15 F8-C3 C14 F4-C21 C13 F1-C19 C12 F9-C4 C11 F8-C16 C10 F20-C11 C9 F1-C15 C8 F19-C11 C7 F8-C17 C6 F19-C14 C5 F3-C15 C4 F4-C19 C3 F12-C4 C2 F3-C16 C1 F20-C7

139A R-0.8 137E R-0.8 565B O-0.8 131A R-0.8 622D W-0.8 124C R-0.8 323A T-0.8 303B T-0.8 319B T-0.8 300D R-1.0 754A P-0.8 258B T-0.8 129B O-1.0 141A R-1.0 122B R-2.0 790N P-2.0 820A O-2.0 602T W-0.8

C8A C8 A1 A1 A2 A2 A3 A3 B1 B1 B2 B2 B3 B3 B4 B4 C1 C1 C2 C2 D1 D1 D2 D2 D3 D3 D4 D4 E1 E1 E2 E2 F1 F1 F2 F2 G1 G1 G2 G2 G3 G3 G4 G4 H1 H1 H2 H2 J1 J1 J2 J2 J3 J3 J4 J4 K1 K1 K2 K2 K3 K3

139B R-0.8 137D R-0.8 565C O-0.8 131B R-0.8 622C W-0.8 124F R-0.8-TXL 323B T-0.5-TXL 303A T-0.8 319C T-0.8-TXL 300A R-1.0 754B P-0.5-TXL 258A T-0.8-TXL 129D O-1.0 141B R-1.0 122D R-2.0 790P P-2.0 820C O-2.0

F6-C5

C35

F6-C9 F6-C1 F6-C10 F6-C20 F6-C12 F6-C19 F14-C1 F6-C6 F6-C8 F6-C21 F6-C22 F10-C5 F14-C2 F7-C9 F12-C17 F17-C1

C34 C33 C32 C31 C30 C29 C28 C27 C26 C25 C24 C23 C22 C21 C20 C19

SEE NOTE 5

58C

751R P-2.0 178BR1 B-0.8 313L R-0.8 323F P-2.0

1 2 3 4

F9-C1

C1

SEE NOTE 4

GND-1

FRAME 22

GND-5

FRAME 23

BC08A233-21A

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

58B

751R P-2.0 178BR2 B-0.8 313M R-0.8 323F P-2.0

1 192

853AA Y-1.0 129AC O-1.0

FRAME 21

796G O-1.0 266C Y-0.8 602B W-0.8 313C R-0.8 261A Y-0.8 178BK B-0.8 257C Y-0.8 751J O-0.8 856A Y-1.0 234A Y-0.8 790CC P-0.8 790F P-0.8 255C Y-0.8 786C Y-1.0 786F Y-1.0 817F R-0.8 771CY-0.8 772C Y-0.8 751K O-0.8 574B O-0.8 751B O-0.8 535B T-0.8 303F T-1.0 303J T-1.0 790AA P-0.8 786K Y-1.0 854A Y-1.0 855A Y-1.0

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

795A O-0.8

C1

852AA Y-1.0

84

771AA Y-1.0 786AA Y-1.0

P

F1-C20 F19-C18 F19-C7 F7-C3 F12-C8 F12-C5 F1-C21 F18-C5 F18-C4 F8-C4 F18-C13 F18-C12 F19-C17 F8-C6 F19-C19 F8-C15 F18-C15 F18-C14 F12-C9 F18-C3 F19-C9 F19-C8

262A Y-0.8 264A Y/W-0.8

178GB B-1.0

80

A B C

88

178P B-0.8

772AA Y-1.0

P

140

401A

771AA Y-1.0 786AA Y-1.0 772AA Y-1.0

C22 C21 C20 C19 C18 C17 C16 C15 C14 C13 C12 C11 C10 C9 C8 C7 C6 C5 C4 C3 C2 C1

141

704A P-1.0 700A P-1.0

410

45B

1 2 3 4

701A P-2.0

F7-C13 F7-C1

C27 F18-C6 C26 F1-C22 C25 F20-C12 C24 F9-C7 C23 F7-C2

87 T

142

403A

319BA R-0.8 178XA B-0.8 681A Y-0.8 151A O-0.8

C30 C29

167 85 86

401

KK-C2

F15-C1

178A B-1.0 702A P-1.0

57A

KK-C5

C3

C7A C7

C5

701A P-2.0 704A P-1.0

330

1

45C

F18-C1

CAB HARNESS

CHASSIS HARNESS

C2

F25-C1

143

952A V-0.8 953A W-0.8

KK-C4

402A

751BA O-0.8 831AB Y-0.8

81

1 2 3 4 5 6

1 2 3 4 5 6 7 8 9

331

49A

786L Y-1.0 786M Y-1.0

702A P-1.0

CAB HARNESS

CHASSIS HARNESS

SEE NOTE 6

772E Y-0.8 772P Y-1.0 772F Y-1.0 772G Y-1.0

335

DELUXE WITH AUXILIARY ELECTRICAL 319BA R-0.8 319AA R-1.0 754AA P-0.8

A B

317A

139F O-0.8

DELUXE WITH AUXILIARY ELECTRICAL

796D O-1.0

1 2 3 4 5 6 7 8 9 10 11 12

334

A A B B C C

751M O-0.8 178P B-0.8

178EB B-2.0 796D O-1.0 786L Y-1.0 772P Y-1.0 771P Y-1.0

178EB B-2.0

786N Y-1.0 317

403B 401B

786N Y-1.0

178EA B-1.0 178EJ B-0.8 178EM B-2.0

1 KK-C6

F15-C2

178EA B-1.0

KK-C3

682-KK6 W-1.0

402B

751BC O-0.8 831AC Y-0.8

81

1 2 3 4 5 6

303L T-0.8 303K T-0.8 771F Y-0.8 772E Y-0.8 794B P-1.0 793B P-1.0

C7

DELUXE WITH-OUT AUXILIARY ELECTRICAL 50D

BULKHEAD CONNECTORS

49B

319AB R-1.0 754AB P-0.8

C7

DELUXE WITH-OUT AUXILIARY ELECTRICAL

BULKHEAD CONNECTORS

BRAKE LIGHTS EUROPE

700A P-1.0 178A B-1.0

50C

890AB O-0.8 892AB O-0.8

GRID HEATER

313N R-0.8 178BR3 B-0.8

LEFT-HAND CONTROL HANDLE (OPTIONS)

BC08A233-22A

FRAME 25

FRAME 24 BC08A233-23A

FRAME 26

BC08A233-24A

BC08A233-25A

FRAME 27

FRAME 28

BC08A233-26A

BC08A233-27A

BC08A233-28A

GROUND CONNECTIONS 178FH B-32 GND-9 178GB B-1.0 GND-8 178DA B-1.0 G-1 178DB B-1.0 G-2 178DB B-1.0 178DA B-1.0 178AF B-2.0 GND-7 178BD B-2.0

178AU B-0.8 178AT B-0.8 178AR B-0.8

178BC B-2.0

178AM B-0.8 178AN B-0.8 178M B-1.0 178FG B-0.8

178BE B-2.0

178AV B-0.8 178AW B-0.8 178AX B-0.8 178AY B-0.8

178BA B-3.0

178AG B-2.0 178BK B-0.8 178AJ B-0.8

178BB B-3.0

178FK B-0.8 178AK B-0.8 178AL B-0.8 178AH B-1.0

178AC B-2.0

178H B-1.0 178J B-1.0 178K B-0.8

178AD B-0.8

178R B-1.0 178T B-1.0 178U B-0.8

178AE B-0.8

178V B-0.8 178W B-1.0 178X B-1.0 178Y B-1.0

178AB B-2.0

178L B-1.0 178N B-1.0 178P B-0.8

178AA B-2.0

178D B-0.8 178E B-1.0 178F B-1.0 178G B-1.0

GND-6

GND-5

GND-2

GND-1

FRAME 29 BC08A233-29A

COMPONENTS FRAME - COMPONENT NUMBERS

FRAME 1 COMPONENTS 11. Air Filter Restriction Switch 12. Engine Oil Pressure Switch 13. Engine Coolant Temperature Sender 14. To Fuel Delivery System 15. Not Used 16. Alternator 17. Power Distribution Point 18. Starter Motor and Solenoid 19. Battery 1 - 10. Not Used 1 - 11. Not Used 1 - 12. Not Used FRAME 2 COMPONENTS None Assigned FRAME 3 COMPONENTS 3 - 13. Optional Power Relay - 1 3 - 14. Optional Power Relay - 2 3 - 15. HVAC Relay 3 - 16. Hazard/Turn Relay 3 - 17. Lamp Relay -3 FRAME 4 COMPONENTS 4 - 18. Starting Relay 4 - 19. Start/Interlock Relay 4 - 20. Main Power Relay 4 - 21. Lamp Relay - 1 4 - 22. Lamp Relay - 2 FRAME 5 COMPONENTS None Assigned FRAME 6 COMPONENTS 6 - 23. Ignition Switch 6 - 24. Turn Signal Indicator 6 - 25. 2-Speed Indicator FRAME 7 COMPONENTS 7 - 26. Horn 7 - 27. Charge Pressure Switch 7 - 28. Seat Bar Switch 7 - 29. Not Used 7 - 30. Fuel Level Sender 7 - 31. Hydraulic Filter Pressure Switch 7 - 32. Hydraulic Oil Temperature Sender

ACTUATORS

LEVER

HAND

FOOT

COIL

TEMP.

HOUSINGS

DIODE

PRESSURE FLOAT LIQUID LEVEL

CONTACT CONFIGURATIONS

S. P. D. T.

D. P. S. T.

P

VACUUM SWITCH

PRESSURE SWITCH

M LAMP

MOTOR

T TEMPERATURE SWITCH

MISCELLANEOUS SYMBOLS MOMENTARY MAINTAINED

S. P. S. T.

V

D. P. D. T.

CONTACTS

54 VARIABLE RESISTOR

RESISTOR

FUSE

CIRCUIT BREAKER

MALE TERMINAL

FEMALE TERMINAL

COMPONENT NUMBER

SHOWS CIRCUIT SPLICE CONNECTION INDICATES EXTERNAL GROUND GROUND

SPL-00

SHOWS CIRCUIT CROSSING NOT CONNECTED INDICATES INTERNALLY GROUNDED COMPONENT

FEMALE CONNECTOR CONNECTOR NUMBER CONNECTOR IDENTIFICATION CONNECTOR NUMBER

1 1 2 2 3 3

MALE CONNECTOR

45E 45D RELAY REAR 4 4 18 18 27 27 32A 32B

Frame Number and Circuit Number where Circuit continues.

INDICATES PARTIAL CONNECTOR NOT ALL CONNECTIONS ARE SHOWN

WIRE IDENTIFICATION

CIRCUIT CONTINUATION

FRAME - CIRCUIT

CIRCUIT TAGS F11-C4 C1 C1 F19-C7 CIRCUIT

Circuit Number assigned to Circuit in Frame.

B . . BLACK DB. . DARK BLUE G. . . GREEN K . . . PINK LG. . LIGHT GREEN LB . . LIGHT BLUE DG . DARK GREEN

O. . . ORANGE P . . . PURPLE R . . . RED T . . TAN W . . WHITE Y . . . YELLOW

FRAME - COMPONENT NUMBERS

FRAME 8 COMPONENTS 8 - 33. Brake Release and Tandem Pump 8 - 34. Override Solenoid 8 - 35. Loader Valve Solenoid 8 - 36. Hi-Flow Solenoid 8 - 37. 2-Speed Solenoid 8 - 38. Alternator Excite 8 - 39. Reverse Polarity Protection Diode FRAME 9 COMPONENTS None Assigned

FRAME - COMPONENT NUMBERS

FRAME 14 COMPONENTS 14 - 61. Washer Switch

FRAME 23 COMPONENTS None Assigned

FRAME 15 COMPONENTS 15 - 62. Ride Control Solenoid

FRAME 24 COMPONENTS None Assigned

FRAME 16 COMPONENTS 16 - 63. Rotating Beacon 16 - 64. Left-Hand Front Strobe 16 - 65. Right-Hand Front Strobe 16 - 66. Right-Hand Rear Strobe 16 - 67. Left-Hand Rear Strobe

FRAME 25 COMPONENTS 25 - 85. Flasher Module 25 - 86. Timer Relay

FRAME 10 COMPONENTS 10 - 40. Hydraulic Coupler Switch 10 - 41. Beacon Switch 10 - 42. Hazard Switch 10 - 43. High Flow Switch 10 - 44. Auxiliary Electric ON/OFF Switch 10 - 45. Auxiliary Electric Forward/Reverse Switch 10 - 46. Loader Lock-Out Switch

FRAME 17 Components 17 - 68. Blower Motor

FRAME 11 COMPONENTS 11 - 47. Flasher Module 11 - 48. Turn Signal Conversion Module

FRAME 19 COMPONENTS None Assigned

FRAME 12 COMPONENTS 12 - 49. Left-Hand Front Work Lamp 12 - 50. Right-Hand Front Work Lamp 12 - 51. Left-Hand Auxiliary Work Lamp 12 - 52. Right-Hand Auxiliary Side Lamp 12 - 53. Rear Work Lamp 12 - 54. Left-Hand Rear Position Lamp 12 - 55. Right-Hand Rear Position Lamp 12 - 56. Light Diode #1 12 - 57. Light Diode #2 FRAME 13 COMPONENTS 13 - 58. Backup Alarm Switch 13 - 59. Backup Alarm Switch 13 - 60. Backup Alarm

FRAME - COMPONENT NUMBERS

FRAME 18 COMPONENTS 18 - 69. Left-Hand Rear Turn Lamp 18 - 70. Left-Hand Rear Tail/Brake Lamp 18 - 71. License Lamp 18 - 72. Right-Hand Rear Turn Lamp 18 - 73. Right-Hand Rear Tail/Brake Lamp

FRAME 26 COMPONENTS 26 - 87. Timer Relay 26 - 88. Brake Switch 26 - 89. Brake Switch FRAME 27 COMPONENTS None Assigned FRAME 28 COMPONENTS None Assigned FRAME 29 COMPONENTS None Assigned

FRAME 20 COMPONENTS 20 - 74. Diode 20 - 75. Diode 20 - 76. Auxiliary Hydraulic Spool Neutral Switch FRAME 21 COMPONENTS 21 - 77. Horn 21 - 78. Two-Speed 21 - 79. Front Electrical Control Switch #1 21 - 80. Turn Signal Switch FRAME 22 COMPONENTS 22 - 81. Park Brake 22 - 82. Ride Control 22 - 83. Prop Auxiliary 22 - 84. Front Electrical Control Switch #2

NOTES

NOTE 4: Connect to Seat Harness Connector SH-C1 for Italian Units.

NOTE 5: Connect to Connector 58 on Chassis Harness for Italian Units.

NOTE 6: Connect 45C to Connector 45B on European Adapter Harness.

BL (933) 0.8 702A G-1.0 WIRE NUMBER WIRE COLOR

WIRE SIZE

ELECTRICAL SCHEMATIC 435, 445 SKID STEER AND 445CT COMPACT LOADER TIER 3 CAB UPGRADE MACHINES Additional copies of this Hydraulic and Electrical Schematic can be ordered through Technical Publications Distribution System.

The part number is 5-9630 Copyright © 2008. CNH America, LLC. All Rights Reserved.

BC08A233-00A

3

20A

622A W-1.0

10

1

137E R-3.0

SPL14 MAIN

127A

5

830A R-3.0 780A R-3.0

TO FRAME 5

TO FRAME 17

FRAME 2

FRAME 3

BC04E027-01

783F P-1.0

781B P-0.8

178AE B-1.0 178AC B-1.0

782C P-0.8

781C P-0.8

784A P-1.0

36

93

85 87 87A

85 87 87A

257A Y-1.0

57 B A

ROTATING BEACON (OPTIONAL)

25

103

30

137C R-1.0

1

69 B B A A

178AG B-1.0

J4 J4

21

45

39 A B

892A O-1.0

31

32

33

29

113

40 897A O-1.0

178AD B-1.0

178K B-1.0

44

41

TURN SIGNALS (OPTIONAL)

FRAME 8

LOADER ARM AUXILIARY ELECTRIC (OPTIONAL)

107

E F K G H C D J

BC04E027-09

A

ET000A B-2.0 ET000B B-0.8

174

540A R-1.0

2

65

183

2

1 1

P

TO FRAME 16

TO FRAME 20

FRAME 11

FRAME 12 BC04E027-11

TO FRAME 16

FRAME 14

ET010A LB-1.0

178BN B-1.0

178BB B-3.0

178AG B-1.0 TO FRAME 13

FOOT HEATER (OPTIONAL)

177

178

179

17A C

186

2

759A P-1.0

20

757AA Y-0.8

83 LEFT

226A

90

91

8

A B

890AG R-1.0 892AG V-1.0

3

3

14

K G

540AA O-0.8

12

B A

548AG V-1.0

178TC B-1.0

7

178TF B-1.0

102B

24 250A

84

F

230A

706TE P-2.0

LOCKED

119

824C O-1.0

FREE

701TA P-1.0 701TB P-1.0

NO CONNECTION

OLD HORN LOCATION

892TA O-2.0 233

757TC P-1.0

SPL_T7

178TH B-1.0

50C

231

A B

178TJ B-1.0 706TG P-1.0 757TA P-1.0

SPL_T4

1 2 4 3

1 2 4 3

65F A B

830G R-2.0 178FP B-2.0

SPL-FH1

830J R-1.0

110 4 2 1 3 5

H M

13B T-1.0

12B T-1.0 13A T-1.0

50D A B

C

L

111 A B TO FOOT HEATER C

87

190

86

81

85 86

88

87 17

178EA B-1.0

1 2 3 4

R DG LG

A B

311BC R-0.8

8

A B

890AH R-1.0 892AH V-1.0

12

B A

548AH V-1.0

311CC R-0.8

545AD Y-1.0 546AD LB-1.0

98

91 89

5

FRAME 21

FRAME 22 BC04E027-21

FRAME 23 BC04E027-22

FRAME 24

1 2 3 4 5 6 7 8

001 B-0.8 002 DB-0.8 003 O-0.8 004 R-0.8 005 Y-0.8 006 P-0.8 007 T-0.8 008 W-0.8

CIRCUIT DIAGRAM LEGEND

BC04E027-24

WIRE IDENTIFICATION 702A P-1.0

23

SHOWS CIRCUIT CROSSING NOT CONNECTED

SHOWS CIRCUIT CONNECTED

54 COMPONENT NUMBER

30

8

WIRE TAG NUMBER

CONNECTOR NUMBER

NUMBERS REFER TO THE FRAME NUMBER AT THE BOTTOM CENTER OF EACH FRAME.

MALE TERMINAL

FEMALE TERMINAL

INDICATES EXTERNAL GROUND GROUND

INDICATES INTERNALLY GROUNDED COMPONENT

WIRE NUMBER WIRE COLOR

B . . BLACK O . . ORANGE B/W BLACK/WHITE P . . PURPLE LB . LIGHT BLUE R . . RED

WIRE SIZE

T . . TAN W . . WHITE Y . . YELLOW

756FC P-1.0 758FA P-1.0 757FC P-1.0 756FD P-1.0 754FA P-1.0 757FD P-1.0 319E T-1.0

602E W-1.0 622D W-1.0

SPOOL ENGAGED SPOOL NEUTRAK 178AA B-3.0

FRT. ELECT CTRL SW. #2

003A O-0.8

311BD R-0.8

8

95

K3 K3

178A B-3.0

8A SPL2 MAIN

178B B-2.0

SPL1 OPTS EXTEND RETRACT (UP) (DWN)

25.

26.

27.

GRD 1

SPL5 MAIN

28.

PRHT_GRD

29.

FRT. ELECT CTRL SW. #3

003B O-0.8

96

30.

START_GRD

31.

32.

OFF ON

FRT. ELECT CTRL SW. #4

311CD R-0.8

003C O-0.8

FRAME 25

BC04E027-23

178HJ B-2.0

SPL1 CAB

90 565AD T-0.8 311AD R-1.0

16.

17.

18.

19.

20.

21.

22.

23.

24.

GRD 2

EXTEND RETRACT (UP) (DWN)

79D B A

759A P-1.0

97

FRAME 26 BC04E027-25

33.

34.

35.

36.

37.

38.

FRAME 27 BC04E027-26

TO FRAME 13

FRAME 20

14.

15.

94

83

227A

890BG R-0.8

890BH R-0.8

548BD Y-0.8

21

93

49H

756AD LB-0.8 540AD O-0.8 757AD Y-0.8

250

702A P-1.0

17

604A W-1.0

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

FRT. ELECT CTRL SW. #1

123D

77

B

85D C B A

93

77H

565AC T-0.8 311AC R-1.0

OPTION D

11 1 2 3 4

98

18

227

178TG B-1.0 706TF P-1.0 701TB P-1.0 757TB P-1.0

B A

758B P-1.0

BC04E027-19

39H

T

K G

229A

92

545BC Y-0.8

79C

5 190

79

T

545AC Y-1.0 546AC LB-1.0

89

701A P-1.0

B

85 87 87A

FRAME 19

EXTEND RETRACT (UP) (DWN)

91

SPL-FH2

824B O-1.0 822B W-1.0 178FR B-1.0

A B

704A P-1.0

CONNECTS TO 65

229

SPL_T2

10

119 E

232

11

85

82

R B

A A B B

14

178DG B-1.0

OPTION H

123C

REV

SPL_T3

10

700A P-1.0

REV

230

706TC P-1.0

71C B A

700A P-1.0

706TD P-3.0

65G A B

FW D

830H R-2.0 178FS B-2.0

SPL_T5

128

85 87 87A

77G

311AB R-1.0

OPTION C

CONNECTS TO 71A 178TD B-1.0

SPL_T6

890AF R-1.0 892AF V-1.0

311CB R-0.8

B A

5

CONNECTS TO 71

80

228A

A B

RIGHT

4

LEFT

2

4

ON

2

8 79B

700B P-1.0 178EB B-1.0

B A

87 LOAD

71

39G

71B

78

T

70

BC04E027-18

92

98

OFF

1

86 BATT

73

92

ON

SPL_T1

1

87

85 GRD

D 92

OPTION G

545BB Y-0.8

FWD

228

178TA B-1.0 706TA P-1.0 756TA P-1.0

757TC P-1.0 178TE B-1.0 756TC P-1.0

74

86 30 128

RIGHT-HAND HANDLE (OPTIONS)

545AB Y-1.0 546AB LB-1.0

A B

OFF

17

A B C

17

86 30 125

26

FRAME 18

39F 86B

85 86 87A

72

OPTION B

123B

11

F

E A 92

BC04E027-17

ON

11

TAIL BRAKE

E

TO FRAME 15

LEFT-HAND HANDLE (OPTIONS)

756AA LB-0.8

D

624A DB-1.0

FRAME 17

OFF

R DG LG

817H O-2.0

5

BC04E027-16

85A C B A

49 8 7 6 5 4 3 2 1

008A W-1.0 007A T-1.0 006A P-1.0 005A Y-1.0 004A R-1.0 003D O-1.0 002A DB-1.0 001A B-1.0

20

754A P-1.0

C

A B 129

17 C

B

319F T-1.0

TO FRAME 2

BC04E027-15

76

B

69

T

FWD

1 2 3 4

817B R-2.0

A

75

320B LB-1.0

125

181

RIGHT

1 2 3 4

H

178DF B-1.0

67

REV

226

G

130

150A

OPTION F 178TB B-1.0 706TB P-1.0 701TA P-1.0 756TB P-1.0

17 CONNECT TO 66A

F

1

66

OPTION A

E

178FA B-1.0 751FA R-1.0 759FC P-1.0

1 180

TO FRAME 11

EURO ON ROAD BRAKE LIGHTS

D

178FA B-1.0

H

SPL 15 FRT EL

63

B C

G

A B

A A B B

M

182

F

602D W-1.0 751A R-1.0

758B P-1.0

FRAME 16

BC04E027-14

D

E

A

30

150

2

66A

185

FRAME 15

BC04E027-13

LOADER LOCK OUT (OPTIONAL)

178BL B-1.0

TO FRAME 20

FRAME 13 BC04E027-12

TURN SIGNAL LIGHTING

178BM B-1.0

178AG B-1.0

178AF B-1.0

178BD B-1.0

178BC B-1.0

178BE B-1.0

178BN B-1.0

183A

C

D

NEG CBL

VALVE CONNECTOR

184

C

SPL #F2

D

17

66C

757FA P-1.0 751FA R-1.0 756FA P-1.0 759FB P-1.0 758FA P-1.0 754FA P-1.0

275

640C B-32

176 F E D C B A

ET003C P-2.0 ET004C Y-2.0 ET005C O-2.0 ET000H B-2.0

175

175A

174A

B

5 CONNECT TO 127A 602 FUEL HOLD-IN SOLENOID 622 STARTER SOLENOID RELAY

757FB P-1.0 759FA P-1.0 756FB P-1.0

276

178K B-1.0 178F B-1.0 178L B-1.0 178G B-1.0 200A B/W-1.0

B D 75

E B C D A F

21

178X B-0.8 178V B-1.0 178C B-2.0 178M B-1.0

57

E B C D A F

ET003B P-2.0 ET004B Y-2.0 ET005B O-2.0 ET000G B-2.0 ET008B LB-1.0 ET009B LB-1.0

B

178N B-2.0

117A

ET001F B-1.0

A B C

757A P-1.0 751A R-1.0 756A P-1.0 759A P-1.0 758B P-1.0 754C P-1.0

A B C D E F G H

A B C D E F G H

178U B-1.0 178T B-1.0 178P B-1.0 178S B-1.0 178R B-1.0

B B A A

E B C D A F

A

C

320A LB-1.0

ET000E B-0.8 ET000C B-1.0 E B C D A F

86

66

178AD B-1.0 178AB B-3.0 178AC B-1.0 178AF B-1.0 178AE B-1.0

53

170

117

75

A

540E R-1.0

52

B A

LATCH

817A R-1.0 178BH B-2.0

UNLATCH

547B T-1.0

51

B

SPL #F1

SPL #F3

602F W-1.0 1 2 3 4 5 6 7 8 9 10 11 12 138 1 2 3 4 5 6 7 8 9 10 11 12 138A

ET001E R-1.0 ET005A O-2.0 ET004A Y-2.0 ET003A P-2.0 ET008A LB-1.0

127C

A

25

178BA B-3.0

1 2 122

2

1 2 173

817G O-2.0

58

TO ACCESSORY POWER OUTLET (NORTH AMERICA)

172

BK

178BU B-2.0 178BL B-1.0 178BG B-1.0 178BJ B-1.0 178BM B-1.0 178BC B-1.0 178BB B-3.0 178BH B-2.0

1

54

A B 124

50

73

A B

67

71

172

127B

178BU B-2.0

178BP B-1.0 546B T-1.0

1 2 121

TO ACCESSORY POWER OUTLET (EUROPE) 201

78 E A

61

200

817D R-1.0 178BZ B-1.0

171

85 A B C

757B P-1.0 751G R-1.0 756B P-1.0

178BG B-1.0

B A 120

CONNECT B A TO 71

56

55 178BR B-1.0 545B T-1.0

535A T-1.0 535C T-1.0

178BS B-1.0

178BT B-1.0

SPL 2 OPTS

171

A

BL

178BK B-1.0

71A

170

5

602 FUEL SOLENOID EXCITE FROM EIC 622 START TERMINAL ON IGN SWITCH 319 AUX INTERLOCK OVERRIDE FROM EIC 178 GROUND

BC04E027-10

HAZARD SWITCH AND FLASHER HARNESS (OPTIONAL)

66B

ET007A R-1.0

1 2

547E B-0.8 178HB B-0.8

68A

B C

ET0009C LB-1.0

67

L M H

ET000D B-1.0

26 D

76

68 B B A A

3 2

59

RD

B C

ET001C R-0.8

FRAME 10

FRAME 9

B A L M N P

68

64

ET011A LB-1.0

8

ET001D R-2.0

25

B A

766C P-1.0

H2 H2

17

ET0009A LB-1.0

A B

548B T-1.0

62

ET006A Y-0.8

123

ON

ET001B R-0.8

77

115A

ET001A R-2.0

178BE B-1.0

A

OFF

178HA B-1.0 547D T-1.0

766A P-1.0

B B

766B P-1.0

751B R-1.0

2

B

115

8A

17A B C 72

A

WIPER MOTOR

112A

65A

BC04E027-08

AUXILIARY OVERIDE SYSTEM

CONNECT TO 127

2

ET0008C LB-1.0

49

B

A A B B C C

47

BC04E027-07

001B B-1.0 002B DB-1.0 817J O-2.0 004B R-1.0 005B Y-1.0 006B P-1.0 007B T-1.0 008B W-1.0 178JH B-2.0

72

178WU B-1.0

40

CONNECT TO 66

A

830K R-1.0 178WT B-2.0

38

535A T-1.0 820A R-2.0

112 65 A A B B

830B R-3.0 178AB B-3.0

41

FRAME 7

60

161

WASHER PUMP

45

46

LIFT ARM CONNECTOR 160

A B

P

604A W-1.0

178BL B-1.0 547B T-1.0

178WV B-1.0 835A O-1.0

44

892B O-1.0

BC04E027-06

ET001 R-1.0 ET001 B-1.0

69A

2

K2 K2

26

8 8A

35

830A R-3.0 8A 8

30

FRAME 6

DOME LIGHT/HEATER/HVAC (OPTIONAL)

895A O-1.0 43

B A

P P

29

BC04E027-05

HYDRAULIC COUPLER (OPTIONAL)

1

37

2 1

V

BC04E027-04

ELECTRICAL ACCESSORY OUTLET (OPTIONAL)

706A P-1.0 706B P-1.0

27

24

314B T-1.0

B A

23

SPL16 MAIN

314A T-1.0

P

39

36

178W B-0.8

262A Y-1.0

2

102

48

A B

FRAME 5

BC04E027-03

A B

2

42

890B R-1.0 33

255A Y-1.0

FRAME 4

BC04E027-02

RIDE CONTROL (OPTIONAL)

86 30

TO FRAME 2

FRAME 1

HIGH FLOW ELECTRO-HYDRAULIC ATTACHMENT FLOW (OPTIONAL)

80

2 1

22

50

26

178E B-1.0

NEG_CBL

7

A B

640C B-32

178K B-1.0

ST

96

25

234A Y-1.0

10

17

93

200A B/W-1.0

A B

258B T-1.0 314D T-1.0

ACC IGN

35

266A Y-1.0

7

11

1

200B B/W-0.5

86 30

313F T-1.0 313H T-1.0

A B 50A

890A O-1.0

43

23

1

79

319A T-1.0 565A T-1.0

9

A

1

96

28

B4 B4 J3 J3 K1 K1

124B R-0.5

TACHOMETER 19 9 CLEAN GROUND 20

5

C C B B A A

178BM B-1.0 178BD B-1.0

20A

8 8A

783B P-2.0

38

34C

178J B-1.0

4

300A R-2.0

16

SPL15 MAIN

124A R-1.0

1

3

622B W-1.0

34

34 A B

781F P-1.0 178EM B-1.0

A B 99

264A Y-1.0

17

602B W-1.0

A B C D

P

37

COM NO

34B

34A A B

27

264A Y-1.0 257A Y-1.0

NC- R-1.0 NO- W-1.0 COM- B-1.0

NC

32 A B

178G B-1.0

5

319D T-1.0

SPL8 MAIN

15

A B C D

24

H1 H1 G2 G2 G4 G4 G1 G1 J1 J1 F1 F1 E4 E4 G3 G3

TURN INDICATOR

127

602A W-1.0

261A Y-1.0

23

754A P-1.0

783G P-1.0

8 B1 E1 F4 A2 8A B1 E1 F4 A2

51A 51

32C

178L B-1.0

15A

14

178M B-1.0

4

783E P-2.0

DOOR CLOSED

48

6

706C P-1.0

6

2

D

8

IVC4 B-0.8

641A W-0.8

DOOR OPEN

781E P-1.0 178EL B-1.0

A B

178L B-1.0

B

9

890B R-1.0

7

8

7

32B

706A P-1.0

137B R-3.0 C

10A

8

890A O-1.0

319B T-1.0

782A p-0.5

FRONT DOOR (OPTIONAL)

BACK-UP ALARM (OPTIONAL)

42 32A

178AE B-1.0 178AC B-1.0

130C R-0.5

POS_CBL

3

13

16

60 1 2

IVC2 B-0.8

15

6

137C R-1.0

15

540E R-1.0

2 SPL3 CAB

11

540A R-1.0

258B T-1.0

13

303C T-0.8 258A T-0.5 602C W-0.5 319C T-0.5 754B P-0.5

6

7

8 8A

641B Y-0.5 261B Y-0.5 264B Y-0.5 257B Y-0.5 266B Y-0.5 234B Y-0.5 255B Y-0.5 262B Y-0.5

782A P-0.5

178X B-0.8

137A R-0.5

751B R-1.0

1

178U B-1.0

120C R-32

6

A

178BJ B-1.0

625B W-0.5

120A R-19

4

8A A1 B2 A3 B3 8 A1 B2 A3 B3

126A

6

17

8

7

A

137G R-1.0

A

17A 17

10A

16

751A R-1.0

55

SEAT SWITCH (IN) INTERLOCKV+ (OUT) PARK BRAKE (OUT) FUEL SOLENOID (OUT) AUX HYD OVERRIDE (OUT)

2

HORN (OPTIONAL)

SPL4 CAB

782B P-0.8

126

A

95A OUTPUT

178C B-2.0

B+

130D R-2.0 131B R-1.0 137D R-3.0 622C W-1.0

3

137J R-1.0 137F R-3.0

4

14

643B R-19

2

178E B-1.0 136A R-5.0

137J R-1.0 137F R-3.0

10A

5

820A R-2.0

12 14 8 5 26 13 6 4

3 24 23 10 11 21 22 7 15 2 25 16 1 18 17

780A R-3.0

781A P-0.5

780A R-3.0

3

817A R-1.0

23 INSTRUMENT CLUSTER

BAT V+ (IN) IGN ON (IN) IGN ON (IN) ACC ON / IGN OFF (IN) START (IN) ROAD LIGHTS (OUT) WORK LIGHTS (OUT) GRID HEATER (OUT) HYD FILTER (IN) HYD OIL TEMP (IN) ENGINE COOLANT TEMP (IN) AIR FILTER (IN) FUEL SENDER SIGNAL ENGINE OIL PRESS (IN) CHARGE PRESS (IN)

178R B-1.0

178D B-1.0

625A W-5.0 P L I S

2

323B T-0.5

178S B-1.0

138A R-5.0

C1 C1 D2 D2 C2 C2 D4 D4 J2 J2 D1 D1 D3 D3

178V B-1.0

178D B-1.0

A B C D

IVC1 B-0.8

1

4

59

106

8A

IVC3 B-0.8

53 85 87 87A

303B T-1.0 303A T-1.0

2 1

1 56 1 56B

18

15A

124A R-1.0

6

85 87 87A

59A B B A A

178T B-1.0

817B R-2.0 14 85 87 87A

18

INSTRUMENT CLUSTER

313D T-1.0

104

21

12

16

7 85 87 87A

5

1

2 1

SPL2 CAB

313C T-0.5

602B W-1.0

120C R-32

300G R-0.5 300H R-0.5

1

781A P-0.5

20

18 303D T-1.0 300E R-1.0 323A T-1.0

9

8

2.4 W COIL

130A R-2.0

120B R-8.0

86 30 53

6

178E B-1.0 311B T-1.0

86 30 14

5

641A W-0.8

137A R-0.5

B A 58

300F R-1.0

643A R-32

7

21

121A Y-1.0

300G R-0.5 300H R-0.5

18

86 30

137H R-1.0

A B 25

5

1

1

SPL1 MAIN

300B R-2.0

10 86 30

130B R-1.0

300A R-2.0

2

50

20

130C R-0.5

62

190A R-5.0 131A R-1.0

131C R-1.0

170A R-5.0

6

OCCUPIED

19

5

622B W-1.0

STANDARD LAMPS

EMPTY

180A R-5.0

190A R-5.0 131A R-1.0 622A W-1.0

INSTRUMENT CLUSTER

178P B-1.0

40A

15A

SAFETY INTERLOCK SYSTEM

5 180A R-5.0

4

GRID HEATER SYSTEM

178F B-1.0

130B R-1.0

40A

FUEL SUPPLY SYSTEM

783C P-2.0

POWER DISTRIBUTION

783A P-3.0

STARTING SYSTEM

BC04E027-20

BATTERY ALTERNATOR STARTER AND SOLENOID CIRCUIT BREAKER STARTER RELAY RESISTOR (50 OHMS) IGNITION SWITCH MAIN POWER RELAY OPTIONS POWER RELAY DIODE (REVERSE POLARITY) PRIMARY FUSE BLOCK OPTIONS FUSE BLOCK COLD START ADVANCE TEMPERATURE SENDER FUEL HOLD-IN SOLENOID COLD START ADVANCE SOLENOID GRID HEATER RELAY GRID HEATER INTERLOCK RELAY SEAT SWITCH SEAT BAR SWITCH CAB LOCK DOWN SWITCH LOADER VALVE SOLENOID LOADER VALVE SOLENOID BRAKE RELEASE/TANDEM PUMP NEUTRAL OVERRIDE SOLENOID TWO (2) SPEED SOLENOID DIODE HYDRAULIC PRESSURE SWITCH HYDRAULIC OIL TEMPERATURE SENDER ENGINE COOLANT TEMPERATURE SENDER AIR FILTER RESTRICTION SWITCH FUEL SENDER ENGINE OIL PRESSURE SWITCH CHARGE PRESSURE SWITCH DIODE LIGHT RELAY No. 1 LIGHT RELAY No. 2 LEFT FRONT WORKLIGHT RIGHT FRONT WORKLIGHT

39.

40.

41.

42.

43.

44.

45.

46.

47.

48.

49.

50.

51.

52.

53.

54.

55.

56.

57.

58.

59.

60.

61.

62.

63.

64.

65.

66.

67.

68.

69.

70.

71.

72.

73.

74.

75.

REAR WORKLIGHT LEFT REAR INDICATOR LIGHT RIGHT REAR INDICATOR LIGHT LEFT FRONT EURO ROAD LIGHT RIGHT FRONT EURO ROAD LIGHT HORN BACKUP ALARM SWITCH (LEFT) BACKUP ALARM SWITCH (RIGHT) BACKUP ALARM CAB DOOR SWITCH ELECTRO HYDRAULIC HIGH FLOW SWITCH DIODE COMBINATION SOLENOID FORWARD SOLENOID REVERSE SOLENOID RIDE CONTROL SOLENOID ROTATING BEACON SWITCH ROTATING BEACON HYDRAULIC COUPLER SWITCH DIODE HYDRAULIC COUPLER RELEASE SOLENOID DOME LIGHT AND SWITCH HEAT CONTROL SWITCH FAN SPEED SWITCH BLOWER MOTOR AIR CONDITIONER SWITCH AIR CONDITIONER PRESSURE SWITCH AIR CONDITIONER COMPRESSOR CLUTCH THERMOSTAT AIR CONDITIONER INDICATOR LAMP AUXILIARY HYDRAULIC NEUTRAL SPOOL SWITCH STARTING INTERLOCK RELAY FUEL SOLENOID RELAY DIODE HAZARD SWITCH FLASHER MODULE DIODE PACK

76.

77.

78.

79.

80.

81.

82.

83.

84.

85.

86.

87.

88.

89.

90.

91.

92.

93.

94.

95.

96.

97.

98.

LEFT REAR TURN LIGHT RIGHT REAR TURN LIGHT LEFT FRONT TURN LIGHT RIGHT FRONT TURN LIGHT LEFT FRONT POSITION LIGHT RIGHT FRONT POSITION LIGHT LICENSE PLATE LIGHT RESISTOR LOADER LOCKOUT SWITCH (OPTIONAL) FAN SPEED SWITCH (OPTIONAL FOOT HEATER) LEFT BRAKE LIGHT SWITCH (EURO) RIGHT BRAKE LIGHT SWITCH (EURO) BRAKE LIGHT TIMER RELAY (EURO) TWO (2) SPEED SWITCH TURN SIGNAL SWITCH ATTACHMENT HYDRAULIC SWITCH HORN SWITCH RIDE CONTROL SWITCH FRONT ELECTRIC CONTROL SWITCH No. 1 FRONT ELECTRIC CONTROL SWITCH No. 2 FRONT ELECTRIC CONTROL SWITCH No. 3 FRONT ELECTRIC CONTROL SWITCH No. 4 ATTACHMENT HYDRAULIC FORWARD FLOW "ON" SWITCH

BC04E027-27

NOTES

ELECTRICAL SCHEMATIC 435, 445, AND 445CT SKID STEER Additional copies of this Hydraulic and Electrical Schematic can be ordered through Technical Publications Distribution System. The part number is 6-76571 BC04E027-00