Bobcat 320/320L 320 & 322 Excavator Wiring Electrical Schematic + Hydraulic/Hydrostatic Schematic

3230

320 & 322 EXCAVATOR WIRING SCHEMATIC

3210

3220

ENGINE OIL PRESSURE LAMP

ENGINE WATER TEMERATURE LAMP

ALTERNATOR

320/320L (S/N 223811001 - 223812346) 322 (S/N 223511001 - 223514376) (PRINTED JUNE 2005) V-0031

S W B

1190 6020

B1

3120

7000 R

DIODE

6020 6010

B2

6000

BOOM LIGHT

3060

H

HOUSE LIGHT 3100

B A

B A

C852

3140

B A

2150 6030

1190

3190 W

C751 B A

3040

DIODE

LIGHT SWITCH

M

BOOM LIGHT

1340

HEATER 2190 3190 7000 1360

6010

D F B C E A

2280

RIGHT CONSOLE LOCK OUT SWITCH

C250 CAB

E C F D A B

(THIS SWITCH ONLY USED ON MODELS WITH ROPS CANOPY

2190

HARNESS 6808456 6010

WASHER

M

2290 2190 2820

7110

A B

2290

A B

7000 3190

6000 2000

C750

6040

2000 6000

HARNESS 6807747

2820

8010

EXPANDABLE UNDERCARRIAGE SWITCH (322 ONLY)

ALTERNATOR LAMP 1330 SYSTEM WARNING BUZZER 3250

TIMER

2170

GLOW PLUG LAMP

3210

3160

3020

HORN SWITCH

3200

3130

AUXILIARY POWER SOCKET

+

7020

2160

DIODE

-

2180

3110

HORN

1270

3120

1320

3170 DIODE

3180

1350

3040

D

3060

C

A

B

E

B

G

C

C152

4200

F

2200

A

8030

B

1220

1200

A

2000

8010

F

1240

3050

C

4010

G

1170

D

8050

3020

E

B

A

B

A

C

D

F

G

E

A

F

C

E

G

B

D

B

A

4010

3020

3040

1170

1150

1190

3050

8010

8030

2000

1220

1240

1200

2200

4200

C153

8050

C151 TWO SPEED SWITCH

1300

SWITCH ONLY ON MODELS OPS CANOPY)

4060

ONSOLE LOCK T SWITCH

3040

3080

1150

3070

B

1190

A

3080

B

C

3090

A

4110

C

C851

4010

ENGINE COOLANT TEMPERATURE SWITCH

EXPANDABL UNDERCARRIA SOLENOID (322 ONLY

GLOW PLUG 2280

OFF

RIGHT HAND CONSOLE

RUN

2260

START

2200

HARNESS 6807427

2000 2190 2180

8050

SO

2170 2160 2150

ST

B

1220

8030

3070 1170 I

IGNITION SWITCH

3240 4070

4080 4060 2260 4120 1280

2090

4120

H

HOURMETER

A

B

C

C154 A

B

C

2270 E D B A

E D B A

C853

TRAVEL SWITCH

C855

OUT SW GND PWR TWO SPEED MODULE

ENGINE

4120

SWITCHED ACCESSORY

1130

10A

FUSE 1

FUSE 1 - 10A

1160

20A

20A

FUSE 2

INSTRUMENT

EXPANDABLE UNDERCARRIAGE SOLENOID (322 ONLY)

IGNITION

1280

HARNESS 6807426 2090

4010

C854

TWO SPEED INDICATOR

FUSE 4

15A CAB

FUSE 5 - 15A

1240

1080 SW P

FUSE 4 - 15A

FUSE 3

2270

7110

2290

2190 2820

A B

A B C

C251

C252 A B

A B C

LEF

H

BRN BLK

RED/WHT PUR

DBL

LEFT CONSOLE LOCKOUT SWITCH WIPER SWITCH

LEFT HAND LIGHT

A 1

2

BLK

3

5A FUSE

BLK

BLK

C

5

BLK

B

P

C950

DBL RIGHT HAND LIGHT

C A B

H

4

BRN W

RNG/BLK

6

DOME LIGHT

YEL

RED/BLK

BLK

BLK

BEACON

WIPER MOTOR

V M

H

P

G BLK 2280

BLK

CAB AND WIPER WIRING (IF EQUIPPED)

I

HARNESS 6669141 AND 6669142

2140

G 3000

I

S FUEL GAUGE

WIRES CONNECT BY LETTER ACROSS CONNECTORS BATTERY FEED 1000-1999 RED, RED/WHT, RNG

A

B

B

A

SOME CONNECTOR BODIES NOT SHOWN FOR DRAWING CLARITY

GROUND 2000-2999 BLK MONITORING 3000-3999 LBL HYDRAULIC 4000-4999 LGN ATTACHMENT CONTROLS 5000-5999 YEL LIGHTS 6000-6999 PNK ACCESSORIES 7000-7999 WHT ENGINE 8000-8999 TAN COMMUNICATION 9000-9999 PUR

Printed in U.S.A.

RED = RED RNG = ORANGE BLK = BLACK LBL = LIGHT BLUE DBL = DARK BLUE LGN = LIGHT GREEN DGN = DARK GREEN YEL = YELLOW PNK = PINK WHT = WHITE BRN = BROWN TAN = TAN PUR = PURPLE GRY = GRAY

3

3

1

C

A

B

SWITCH

C850 C

LEFT HAND CONSOLE

A

B

C163

HARNESS 6807428 1300

3090

3060

1210

LE TCH

20A

FOR OPTIONS

C950

FUSED ACCESSORY

C A

3090

B

4070

1130 3060

1170

1120 SWITCHED POWER RELAY

8040 FUEL GAUGE BACKLIGHT

1110

86

85

87

30

2130

87A

C

3010

E

E

4000

2080

2070

2140

GREEN TIE STRAP

B

3000

A

C157 B

E

ORANGE TIE STRAP

B

A

YELLOWTI E STRAP

B

A

2110

3000

F

4010

A

2140

F

4040

2080

D

2130

A

4030

D 3000

B

B

A

3000

3250

B

2280

CONSOLE DOWN INDICATOR

C

C156

4000

3030

C159 B

A

C160 B

A

C161 B

A

A

2130

BLK

FUEL SENDER HARNESS 6587177

PUR

2080 2140

B

A

C158 B

A

FUEL LEVEL SENSOR

JOYSTICK LOCKOUT SOLENOID

DUMP VALVE SOLENOID

TWO SPEED SOLENOID

2040 1090

A

UMENT

1160

1130

FUSE 4

15A CAB

FUSE 5 - 15A

1240

1080 1070 FUSE

15A

1190

8

1230

SWITCHED TIMER 15A

FUSE 3 - 20A

1100 FUSE 7

FUSE 6 - 15A

1250

1060

NONSWITCHED POWER

FUSE 4 - 15A

FUSE 5

FUSE 6

15A NON-SWITCHED TIMER

MOTION ALARM (IF EQUIPPED)

R NS

HARNESS 6808973 FUSE BLOCK RIGHT TRAVEL SWITCH

FUSE 2 - 20A

C155

1260

1270

1

1260

1410

2120

20A

2040

STOP TIMER MODULE

1090 OIL PRESSURE SWITCH

1510

SWITCHED ACCESSORY

8080

2050

FUEL SOLENOID

1500

FUSE 7 - 15A

3020

2

2120

1400

ER RELAY

4

LEFT TRAVEL SWITCH

2310

1150

3

1530

1140

HR GLOW PLUGS ALARM

STARTER

8050

1010

B

M

S

1520 4010

1290

PREHEAT RELAY

86

85

87

30

2300 4070

87A 4010

1180

8060

86

85

87

30

8070 1030 DIODE

87A

+

8030

STARTER RELAY 1090 1050 1010 1030

8010

8000

DIODE

2020 1290

86

85

87

30

FRAME GROUND

8020

BATTERY

1040

87A

1020

C162

B ALTERNATOR

TO RIGHT HAND CONSOLE

-

2030

C854 C855

MOTION ALARM RELAY

2130 2140

2020 2030 2040 2050 2120

2010

2110 2070 2000 2080 2100

2060

V-0031 (6-21-05)

HYDRAULIC/HYDROSTATIC SCHEMATIC 320/320L (S/N 223811001 - 223812346) 322 (S/N 223511001 - 223514376) (PRINTED JUNE 2005) V-0032

RIGHT HAND TRAVEL MOTOR

10

HYDRAUL

3

3

1

1 CENTER SWIVEL JOINT 320/320L ONLY

B

A B

P1 P2 A

BOOM SWING CYLINDER

1 A

T1 B BLADE CYLINDER ARM CYLINDER

12

A

B 3 1A 1B 8B 5 7 8A 6 4

3 1

5 7 8 6 4

28 2

CENTER SWIVEL JOINT 322 ONLY

A

B

YDRAULIC CONTROL VALVE P1

21

T1 RIGHT HAND TRAVEL

27

29 19

BOOM SWING

29

26 ARM

P2 P3

17 18 BUCKET

15 16 23

MANIFOLD ASSEMBLY

22

21

PS1

PS2

27

20

G

PUMP 1 V1

9

V2 PUMP 2 V3

4

F

PUMP 3

26 HYDRAULIC PUMPS

PB

3 5 T RIGHT HAND JOYSTICK 1 4

P T

3 2 LEFT HAND JOYSTICK 1 4

322 ONLY

A

EXPAND CYL 322 ONLY

B

BOOM CYLINDER

T1

A

11

B

BUCKET CYLINDER

P1 P2

LEFT HAND TRAVEL MOTOR

SWING MOTOR

8

TOP

A

BOTTOM

B

8 24

A

WORKING CIRCUITS B

PILOT CIRCUITS DRAIN CIRCUITS COMPONENTS

FRONT AUXILIARY HYDRAULICS

MALE (RETURN)

FEMALE (PRESSURE) Printed in U.S.A.

A B

14 13 L3 L3

O IS IS O

L1

L

R

D ST

BOOM

1

FRONT

O IS 3 O IS

R

R

3

BACK

US OPTION ISO/STD CONVERTE (ISO SHOWN)

LEFT HAND TRAVEL T2

SLEW

BLADE

AUXILIAR Y

25 PB

P

T

L3

3

O IS L1

2

IS O

O IS R

1

NT

R

3

CK

TION ONVERTER HOWN)

BREATHER CAP

2

1

FILTER WITH BY-PASS

6

7

V-0032 (6-21-05)

HYDRAULIC/HYDROSTATIC SCHEMATIC 320/320L (S/N 223812347 AND ABOVE) 322 (S/N 223514377 AND ABOVE) (PRINTED JUNE 2005) V-0174

RIGHT HAND TRAVEL MOTOR

10

HYDRAUL

3

3

1

1 CENTER SWIVEL JOINT 320/320L ONLY

B

A B

P1 P2 A

BOOM SWING CYLINDER

A

T1 B BLADE CYLINDER ARM CYLINDER A

12 B 3 1A 1B 8B 5 7 8A 6 4

3 1

5 7 8 6 4

19 2

CENTER SWIVEL JOINT 322 ONLY

A

B

YDRAULIC CONTROL VALVE P1

21

T1 RIGHT HAND TRAVEL

27

BOOM SWING

26 ARM

P2 P3

17 18 BUCKET

15 16 23

MANIFOLD ASSEMBLY

22

21

PS1

PS2

27

20

G

PUMP 1 V1

9

V2 PUMP 2 V3

4

F

PUMP 3

26 HYDRAULIC PUMPS

PB

3 5 T RIGHT HAND JOYSTICK 1 4

P T

3 2 LEFT HAND JOYSTICK 1 4

322 ONLY

A

EXPAND CYL 322 ONLY

B

BOOM CYLINDER

T1

A

11

B

BUCKET CYLINDER

P1 P2

LEFT HAND TRAVEL MOTOR

SWING MOTOR

8

TOP

A

BOTTOM

B

8 24

A

WORKING CIRCUITS B

PILOT CIRCUITS DRAIN CIRCUITS COMPONENTS

FRONT AUXILIARY HYDRAULICS

MALE (RETURN)

FEMALE (PRESSURE) Printed in U.S.A.

A B

14 13 L3 L3

O IS IS O

L1

L

R

D ST

BOOM

1

FRONT

O IS 3 O IS

R

R

3

BACK

US OPTION ISO/STD CONVERTE (ISO SHOWN)

LEFT HAND TRAVEL T2

SLEW

BLADE

AUXILIARY

25 PB

P

T

L3

3

O IS L1

2

IS O

O IS R

1

NT

R

3

CK

TION ONVERTER HOWN)

BREATHER CAP

2

1

FILTER WITH BY-PASS

6

7

V-0174 (6-21-05)

3230

320 & 322 EXCAVATOR WIRING SCHEMATIC

3210

3220

ENGINE OIL PRESSURE LAMP

ENGINE WATER TEMERATURE LAMP

ALTERNATOR

320/320L (S/N 223812347 AND ABOVE) 322 (S/N 223514377 AND ABOVE) (PRINTED JUNE 2005) V-0371

S W B

1190 6020

B1

3120

7000 R

DIODE

6020 6010

B2

6000

BOOM LIGHT

3060

H

HOUSE LIGHT 3100

B A

B A

C852

3140

B A

2150 6030

1190

3190 W

C751 B A

3040

DIODE

LIGHT SWITCH

M

BOOM LIGHT

1340

HEATER C

2190 3190 7000 1360

6010

6040

2000 6000

HARNESS 6807747 A

D F B C E A

2280

RIGHT CONSOLE LOCK OUT SWITCH

C250 CAB

E C F D A B

(THIS SWITCH ONLY USED ON MODELS WITH ROPS CANOPY)

2190

6010

HARNESS 6808456 WASHER

M

2820

7110

2190

2820

HORN

2290

2290

A B

7000 3190

A B

C750

B 6000 2000

8010

EXPANDABLE UNDERCARRIAGE SWITCH (322 ONLY)

ALTERNATOR LAMP 1330

1320

3250

TIMER

2170

3110

SYSTEM WARNING BUZZER

1270

-

AUXILIARY POWER SOCKET

+

2160

3120

3130

3160

DIODE

2180

3020

3200

3210

GLOW PLUG LAMP

3170 DIODE

3180

3040

D

3060

1300

1350

7020

E

F C

A

B

D

G

C

C152

B

A

B

A

C

D

F

G

E

A

F

C

E

G

B

D

B

A

3020

3040

1170

1150

1190

3050

8010

8030

2000

1220

1240

1200

2200

4200

C153

4010

3080

4110

TWO SPEED SWITCH

B

8050

C151

H ONLY ODELS ANOPY)

E

4200

F

2200

A

8030

B

1220

1200

A

2000

8010

F

1240

3050

C

4010

G

1170

D

8050

E

3020

4060

E LOCK CH

3040

3080

1150

3070

B

1190

A

3090

B

C

OPEN

A

7020

C

C851

4010

ENGINE COOLANT TEMPERATURE SWITCH

EXPANDABL UNDERCARRIA SOLENOID (322 ONLY

GLOW PLUG 2280

OFF

RIGHT HAND CONSOLE

RUN

2260

START

2200

HARNESS 6810549

2000 2190 2180

8050

SO

2170 2160 2150

ST

B

1220

8030

3070 1170 I

IGNITION SWITCH

3240 4070

4080 4060 2260 4120 1280

2090

4120

H

HOURMETER

A

B

C

C154 A

B

C

2270 E D B A

E D B A

C853

TRAVEL SWITCH

C855

OUT SW GND PWR TWO SPEED MODULE

ENGINE

4120

SWITCHED ACCESSORY

1130

10A

FUSE 1

FUSE 1 - 10A

1160

20A

20A

FUSE 2

INSTRUMENT

EXPANDABLE UNDERCARRIAGE SOLENOID (322 ONLY)

IGNITION

1280

HARNESS 6807426 2090

4010

C854

TWO SPEED INDICATOR

FUSE 4

15A CAB

FUSE 5 - 15A

1240

1080 SW P

FUSE 4 - 15A

FUSE 3

2270

7110

2290

2190 2820

A B

A B C

C251

C252 A B

A B C

LEF

H

BRN BLK

RED/WHT PUR

DBL

DBL WIPER SWITCH 1

2

BLK

P

BLK

BLK

C 3

5A FUSE 5

BLK

H

A B

4

C950

LEFT HAND LIGHT

RIGHT HAND LIGHT

C A B

BRN RNG/BLK

6

DOME LIGHT

W

LEFT CONSOLE LOCKOUT SWITCH

YEL

RED/BLK

BLK

BLK

BEACON

WIPER MOTOR

V M

H

P

G BLK 2280

BLK

CAB AND WIPER WIRING (IF EQUIPPED)

I

HARNESS 6669141 AND 6669142

2140

G 3000

I

S FUEL GAUGE

WIRES CONNECT BY LETTER ACROSS CONNECTORS BATTERY FEED 1000-1999 RED, RED/WHT, RNG

A

B

B

A

SOME CONNECTOR BODIES NOT SHOWN FOR DRAWING CLARITY

GROUND 2000-2999 BLK MONITORING 3000-3999 LBL HYDRAULIC 4000-4999 LGN ATTACHMENT CONTROLS 5000-5999 YEL LIGHTS 6000-6999 PNK ACCESSORIES 7000-7999 WHT ENGINE 8000-8999 TAN COMMUNICATION 9000-9999 PUR

Printed in U.S.A.

RED = RED RNG = ORANGE BLK = BLACK LBL = LIGHT BLUE DBL = DARK BLUE LGN = LIGHT GREEN DGN = DARK GREEN YEL = YELLOW PNK = PINK WHT = WHITE BRN = BROWN TAN = TAN PUR = PURPLE GRY = GRAY

7

O

3

3

1

1

E

F C

A

B

D

F

E

SWITCH

C850 LEFT HAND CONSOLE

D C

A

B

C950

20A

A

3090

B

4070

1130 1170

1120 SWITCHED POWER RELAY

8040 3060

E CH

FOR OPTIONS

FUSED ACCESSORY

HORN SWITCH

C

C163

1300

3060

1350

1210

3090

7020

OPEN

HARNESS 6810550

1110

FUEL GAUGE BACKLIGHT

86

85

87

30

87A

2130

3030

C

3010

E

E

4000

2080

2070

2140

GREEN TIE STRAP

B

3000

A

C157 B

E

ORANGE TIE STRAP

B

A

YELLOWTI E STRAP

B

A

2110

3000

F

4010

A

2140

F

4040

2080

D

2130

A

4030

D 3000

B

B

A

3000

3250

B

2280

CONSOLE DOWN INDICATOR

C

C156

4000

C159 B

A

C160 B

A

C161 B

A

A

2130

BLK

FUEL SENDER HARNESS 6587177

PUR

2080 2140

B

A

C158 B

A

FUEL LEVEL SENSOR

JOYSTICK LOCKOUT SOLENOID

DUMP VALVE SOLENOID

TWO SPEED SOLENOID

2040 1090

A

UMENT

1160

1130

FUSE 4

15A CAB

FUSE 5 - 15A

1240

1080 1070 FUSE

15A

1190

8

1230

SWITCHED TIMER 15A

FUSE 3 - 20A

1100 FUSE 7

FUSE 6 - 15A

1250

1060

NONSWITCHED POWER

FUSE 4 - 15A

FUSE 5

FUSE 6

15A NON-SWITCHED TIMER

MOTION ALARM (IF EQUIPPED)

R NS

HARNESS 6808973 FUSE BLOCK RIGHT TRAVEL SWITCH

FUSE 2 - 20A

C155

1260

1270

1

1260

1410

2120

20A

2040

STOP TIMER MODULE

1090 OIL PRESSURE SWITCH

1510

SWITCHED ACCESSORY

8080

2050

FUEL SOLENOID

1500

FUSE 7 - 15A

3020

2

2120

1400

ER RELAY

4

LEFT TRAVEL SWITCH

2310

1150

3

1530

1140

HR GLOW PLUGS ALARM

STARTER

8050

1010

B

M

S

1520 4010

1290

PREHEAT RELAY

86

85

87

30

2300 4070

87A 4010

1180

8060

86

85

87

30

8070 1030 DIODE

87A

+

8030

STARTER RELAY 1090 1050 1010 1030

8010

8000

DIODE

2020 1290

86

85

87

30

FRAME GROUND

8020

BATTERY

1040

87A

1020

C162

B ALTERNATOR

TO RIGHT HAND CONSOLE

-

2030

C854 C855

MOTION ALARM RELAY

2130 2140

2020 2030 2040 2050 2120

2010

2110 2070 2000 2080 2100

2060

V-0371 (6-21-05)