Cat Electrical 205B Excavator Electrical System Schematic Manual -PDF DOWNLOAD

Page 1

SENR4320 JUNE 1992

11 4

COMPONENT LOCATION CHART

5

15

Machine Location

25 2

13 8 24

17

3

14

30

27

18

31

22

1

B

12

32

23

26 7

19

21 20

29

6

9

15

21

24

17

28

30

14

9

23 19

2

1

1

6

3

17 5 4

11

Solenoid - L/S Mode

F-11

20

Solenoid - LH Auxiliary Hydraulic

F-11

3

Alternator

B-12

20

Solenoid - Low Idle Control

F-12

4

Batteries

A-11

20

Solenoid - Pilot Pressure

F-11

5

Breaker - Alternator

A-11

20

Solenoid - RH Auxiliary Hydraulic

F-11

6

Control - Air Conditioner/Fan

E-12

21

Solenoid - Ether Start Aid

C-11

7

Fuse Block (Cab)

E-8

20

Solenoid - Swing Brake

F-11

1

Fuse Block (Green)

E-2

20

Solenoid - Travel Speed

F-11

1

Fuse Block (Yellow)

D-3

6

Switch - A/C Thermostat

B

Gauge - Engine Coolant Temperature

B-3

22

Switch - Air Filter (Clog) Pressure

B

Gauge - Fuel Level

B-2

23

Switch - Air Horn

F-2

8

Horn - Compressed Air

B-1

B

Switch - Beacon

E-8 A-4

F-6 D-11

Switch - Boom Lock Switch - Boom Overload

B

Indicator - Alternator

C-3

14

Switch - Coolant Temperature (Start Aid)

B

Indicator - Engine Oil Pressure

C-3

25

Switch - Battery Disconnect

A-11

B

Indicator - Hammer

B-6

26

Switch - Engine Compartment Lamp

C-12

B

Indicator - Hi Speed

B-5

27

Switch - Engine Oil Pressure

B-11

B

Indicator - Hydraulic Filter

B-3

7

Switch - Fan

E-8

B

Indicator - Hydraulic Oil Temperature

B-3

B

Switch - Front Flood Lamp

C-4

B

Indicator - L Mode

C-5

11

Switch - Fuel Pump

A-9

B

Indicator - Low Speed

B-5

B

Switch - Gear Speed

B-5

B

Indicator - Overload

B-3

B

Switch - Hammer Rate

B-7

B

Indicator - S Mode

C-5

B

Switch - Hammer/Travel

B-6

B

Indicator - Travel

B-6

B

Switch - Head Light

C-4

9

Meter - Hour

F-3

B

Switch - Heater Fan

B-7

6

Motor - Blower

F-6

28

Switch - Hydraulic Oil Filter (Clog) Pressure

E-11

10

Motor - Fan

D-7

28

Switch - Hydraulic Oil Temperature

E-10

11

Motor - Fuel Pump

A-9

B

Switch - Key (Start)

B-8

A

Motor - Lower Wiper

D-8

B

Switch - L/S Mode

B-5

12

Motor - Starter

C-11

29

Switch - LH Aux Hydraulic

A-7

A

Motor - Upper Wiper

D-7

B

Switch - Low Idle Control

13

Motor - Washer

D-11

30

Switch - Low Idle Pressure

C-11

7

Radio

E-7

31

Switch - Lower Windshield Disconnect

D-8

6

Relay - A/C

E-12

B

Switch - Lower Wiper

E-8

1

Relay - Air Horn

D-6

B

Switch - Park Brake

B-5

1

Relay - Low Idle Control Timer

D-6

B

Switch - Rear Flood Lamp

B-4

26

5

Relay - Start

A-12

32

Switch - Right Aux Hydraulic

C-5

2

1

Relay - Start/Stop

E-6

B

Switch - Start Aid

C-7

1

Relay - Travel/Hammer

D-5

B

Switch - Starting/Pilot Pressure Cutoff

B-7

14

Sender - Engine Coolant Temperature

A-11

B

Switch - Swing Brake

B-5

15

Sender - Fuel Level

C-12

23

Switch - Swing Brake

F-2

17

Solenoid - A/C Clutch

B-12

19

Switch - Travel Alarm

F-5

18

Solenoid - Boom Lock

B-11

B

Switch - Travel/Hammer Lock

B-7

17

Solenoid - Engine Start/Stop

C-11

31

Switch - Upper Windshield Disconnect

D-7

18

Solenoid - Hammer Frequency Adjust

B-11

B

Switch - Upper Wiper

D-8

19

Solenoid - Hammer/Travel

F-5

3

12

20

20

B-12

B

22 27

18

8

E-5

Alarm - Travel

24

29 32 13

Alarm - Action

2

B-3

A

B

1

D-11

7

25

Schematic Location

Indicator - Air Filter

10

31

Component

Horn - Forward

28

3

Machine Location

8 10

2

Schematic Location

B

1

A

Component

A-6 D-11

205B Excavator Electrical System 5ZF1-UP

B-4

Machine locations are repeated for components located close together. A = Components located in operator’s compartment. B = Components located on operator’s right console.

Machine Harness Connector And Component Locations

HARNESS CONNECTOR LOCATION CHART Connectors

Machine Location

Harness And/Or Components

Schematic Location

1

A - 8U7439 C - 8U6358

B-9

1

B - 8U6153 C - 8U6358

C-3

16 Contacts

2

B - 8U6153 Travel/Hammer Relay

D-5

7 Contacts

1

A - 8U7439 B - 8U6153

C-9

6 Contacts

1

C - 8U6358 X - 8U7791

C-8

B

C - 8U6358 Gauge Module

A-3

B

C - 8U6358 Heater Fan Switch

B-8

3

A - 8U7439 V - 5W4673

F-6

48 Contacts

5 Contacts

4 Contacts

Machine locations are repeated for connectors located close together. B = Connector is located in operator’s right console.

©1992 Caterpillar All Rights Reserved

Printed in U.S.A.


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