350 Elektro Sema
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Transcript of 350 Elektro Sema
-
SENR6037
20Page
1993 Caterpillar
All Rights Reserved
Printed in U.S.A.
SENR6037
October 1993
350 and 350 L Excavators
Electrical System
8HK1-UP
2ZL1-UP
3ML1-UP
9FL1-UP
2
1
3 4
5
6 7
8
9
3
4 5
6
8
9
1
2
7
A AA
1
2
325-PK-14
200-BK-14
T
This indicates that the component does not have a wire connected to ground. It is
grounded by being fastened to the machine.
This indicates that the component has a wire connected to it that is connected to ground.
105-9344
T
Normally open switch that will close with an increase of a specific condition (temp-press-etc.).
The circle indicates that the component has screw terminals and a wire can be disconnected from it.
Pin Socket Fuse
Component
Part Number
Pin or SocketNumber
Receptacle
Plug
Wire Gauge
Wire, Cable, or Harness
Assembly IdentificationWire Color
Normally closed switch that will open with an increase of a specific condition.No circle indicates that the wire cannot be disconnected from the component.
Single WireConnector
Circuit NumberIdentification
GroundConnection
Pressure
SymbolTemperature
Symbol
Level
Symbol
Flow
Symbol
Circuit BreakerSymbol
Reed Switch - A switch whose contacts are controlled by a magnet. A magnet closes the
contacts of a normally open reed switch; it opens the contacts of a normally closed reed switch.
Sender- A component that is used with a temperature or pressure gauge. The sender
measures the temperature or pressure. Its resistance changes to give an indication to
the gauge of the temperature or pressure.
Relay (Magnetic Switch) - A relay is an electrical component that is activated by electricity.
It has a coil that makes an electromagnet when current flows through it. The
electromagnet can open or close the switch part of the relay.
Solenoid - A solenoid is an electrical component that is activated by electricity. It has a
coil that makes an electromagnet when current flows through it. The electromagnet
can open or close a valve or move a piece of metal that can do work.
Harness And Wire Symbols
Electrical Schematic Symbols And Definitions
1 1
2 2
Typical representation of a Sure-Seal
connector. The plug and receptacle
contain both pins and sockets.
Typical representation of a Deutsch
connector. The plug contains all
sockets and the receptacle contains
all pins.
T
Normally open switch that will close with an increase of a specific condition (temp-press-etc.).
Normally open switch that is closed due to an applied condition, and will open again with a
specific decrease in that condition.
Normally closed switch that will open with an increase of a specific condition.
Normally closed switch that is open due to an applied condition, and will close again
with a specific decrease in that condition.
The circle indicates that the component has screw terminals and a wire can be disconnected
from it.
No circle indicates that the wire cannot be disconnected from the component.
This indicates that the component has a wire connected to it that is connected to ground.
This indicates that the component does not have a wire connected to ground. It is grounded
by being fastened to the machine.
Electrical Schematic Symbols And Definitions
PressureSymbol
TemperatureSymbol
LevelSymbol
FlowSymbol
Component LocationMachineLocation Component
SchematicLocation
MachineLocation Component
SchematicLocation
1 Actuator - Governor E-10 19 Sensor - Engine Speed D-12
1A Alarm - Action E-2 20 Sensor - Fuel Level F-10
2 Alarm - Travel F-12 21 Sensor - Hydraulic Oil Temperature A-11
3 Alternator E-11 22 Solenoid - Air Conditioner Compress Clutch E-12
4 Antenna D-8, 9 1E Solenoid - Bypass 1 D-10
5 Battery A-2, 3, F-11 2E Solenoid - Bypass 2 D-10
1D Block - Terminal B-4 23 Solenoid - Engine Stop B-12
2D Breaker B-4 3E Solenoid - Hammer Controller E-10
6 Controller B-8 4E Solenoid - Heavy Lift 1 C-9
7 Converter D-9 5E Solenoid - Heavy Lift 2 C-9
1B Dial - Engine Speed E-3 24 Solenoid - Heavy Lift 3 F-2
3D Fuse - Block B-5, 6 25 Solenoid - Start Aid F-12
8 Horn F-1 6E Solenoid - Swing Power C-9
9 Lamp - Boom C-1 26 Solenoid - Travel Speed A-10
10 Lamp - Cab D-1 27 Speaker D-8
11 Lamp - Chassis B-2, F-1 28 Switch - Air Conditioner Refrigerant Press E-12
5A Lamp - Dome D-4 29 Switch - Disconnect A-3
2A Lighter - Cigar E-2 30 Switch - Engine Oil Press D-12
3A Meter - Service E-3 2B Switch - Governor Backup E-5
4A Monitor E-2 7B Switch - Hammer Controller E-4
12 Motor - Starter B-12 5C Switch - Heavy Lift F-4
13 Motor - Washer F-10 3C Switch - Horn F-3
5A Motors - Wiper D-2 7E Switch - Implement Press D-10
14 Pump - Grease B-2 3B Switch - Low Idle E-3
15 Pump - Refueling F-12 24 Switch - Neutral Start F-2
16 Radio D-8 2C Switch - Pump Backup F-5
4D Relay - Boom Lamp A-6 31 Switch - Refueling F-10
4D Relay - Cab Lamp A-6 32 Switch - Refueling Pump F-12
4D Relay - Chassis Lamp A-6 4C Switch - Seat Heater F-4
4D Relay - Horn B-5 4B Switch - Speed Change E-5
5D Relay - Main C-4 5B Switch - Starter D-4
4D Relay - Refueling Pump A-5 6B Switch - Start Aid E-3
60 Relay - Start B-4 33 Switch - Start Aid Coolant Temperature E-12
4D Relay - Washer B-6 8E Switch - Swing Press C-9
4D Relay - Wiper B-6 9E Switch - Travel Press D-10
1C Resistor - Backup F-5 6A Switch - Windshield D-2
17 Seat - Heater F-4 34 Unit - Air Conditioner E-7
18 Sensor - Engine Coolant Temperature E-12 35 Valve - Proportional Reducing A-10
A = Connector in cab.
B = Connector in operators R.H. console.
C = Connector in operators L.H. console.
D = Connector in relay panel.
E = Connector near main control valve.
ConnectorsMachine
Location
Harness And/Or
Components
Schematic
Location ConnectorsMachine
Location
Harness And/Or
Components
Schematic
Location
CONN3A-6C-9255
B-6C-9256F-9 CONN5
A-6C-9255
Heavy Lift 2 SolenoidC-9
CONN1
*
A-6C-9255
ControllerA-8 CONN43
A-6C-9255
Implement Press SwitchD-10
CONN50A-6C-9255
D-105-9922B-3 CONN45
A-6C-9255
Proportional Reducing ValveA-10
24 ContactsCONN2
*
A-6C-9255
ControllerB-8 CONN68
A-6C-9255
Refueling PumpF-12
CONN4A-6C-9255
B-6C-9256E-9 CONN67
A-6C-9255
Refueling Pump SwitchF-12
CONN33A-6C-9255
C-6C-8632C-12 CONN66
A-6C-9255
Refueling SwitchF-10
CONN12B-6C-9256
G-7Y-8283E-4 CONN26
A-6C-9255
Start Aid SolenoidF-12
CONN15B-6C-9256
K-6C-9031D-5 CONN40
A-6C-9255
Swing Power SolenoidC-9
CONN7B-6C-9256
N-102-7915F-6 CONN39
A-6C-9255
Swing Press SwitchC-9
CONN8B-6C-9256
W-102-7939E-6 CONN47
A-6C-9255
Travel AlarmF-12
CONN37A-6C-9255
Governor ActuatorE-10 CONN42
A-6C-9255
Travel Press SwitchD-10
CONN6B-6C-9256
Heater/Air Cond UnitD-7 CONN44
A-6C-9255
Travel Speed SolenoidA-10
CONN18G-7Y-8283
Engine Speed DialE-3 CONN13
B-6C-9256
G-7Y-8283E-4
CONN32A-6C-9255
C-6C-8632C-12 CONN24
B-6C-9256
H-7Y-8290 (Z-7Y-5504)F-2
CONN49A-6C-9255
S-102-7878A-7 CONN51
B-6C-9256
Heavy Lift 3 SolenoidF-2
CONN14B-6C-9256
E-6C-9030D-6 CONN10
B-6C-9256
J-7Y-8285F-3
CONN16B-6C-9256
K-6C-9031D-5 CONN27
C-6C-8632
A/C Clutch SolenoidE-12
CONN70E-6C9030
R-6C-9177D-2 CONN28
C-6C-8632
A/C Refrigerate SwitchE-12
CONN23E-6C-9030
RadioD-8 CONN3
C-6C-8632
Engine Speed SensorD-12
CONN20K-6C-9031
MonitorE-2 CONN35
C-6C-8632
Start Aid Coolant Temp SwE-12
CONN21K-6C-9031
Wiper Motor (Top)D-2 CONN72
E-6C-9030
K-6C-9031D-3
CONN25E-6C-9030
T-6C-8839D-2 CONN73
E-6C-9030
Not UsedD-6
CONN71R-6C-9177
Wiper Motor (Bottom)D-2 CONN52
F-7Y-3983
L-7Y-3978 (P-7Y-3984)C-2
CONN48A-6C-9255
F-7Y-3983 (P-7Y-3984)C-7 CONN17
G-7Y-8283
Start Aid SwitchE-3
CONN29C-6C-8632
Engine Coolant Temp SensorE-12 CONN60
K-6C-9031
Action AlarmE-2
CONN31C-6C-8632
Engine Oil Press SwitchD-12 CONN62
N-102-7915
Heavy Lift SwitchF-4
CONN41A-6C-9255
Bypass 1 SolenoidD-10 CONN64
N-102-7915
Seat HeaterF-4
CONN46A-6C-9255
Bypass 2 SolenoidD-10 CONN63
N-102-7915
Seat Heater SwitchF-4
CONN38A-6C-9255
Fuel Level SensorF-10 CONN11
W-102-7915
Hammer Controller SwE-4
CONN53A-6C-9255
Grease PumpB-2 CONN34
A-6C-9255
C-6C-8632C-12
CONN36A-6C-9255
Hammer Controller SolenoidE-10 CONN58
G-7Y-8283
Low Idle SwitchE-3
CONN69A-6C-9255
Heavy Lift 1 SolenoidC-9 CONN59
J-7Y-8285
Horn SwitchF-3
HARNESS CONNECTOR LOCATION CHART
2 Contacts
(Contd.)
1 Contact
2 Contacts
3 Contacts
4 Contacts
5 Contacts
10 Contacts
40 Contacts
Resistor, Sender and Solenoid SpecificationsComponent Description Part No. Resistance (Ohms)
102-8017 52.0 2.6
8T-8813 14.4 0.6
7T-9746 33.6
3E-7985Start; 1.55 0.16
Stop; 10.30 1.03
9G-4365 6.0
At room temperature unless otherwise noted.
Solenoid - Start Aid
Resistor - Backup
Solenoid - A/C Clutch
Solenoid - Bypass
Solenoid - Engine Shutdown
Off Machine Switch SpecificationPart No. Function Actuate Deactuate Contact Position
4I-5387 Travel/Swing/Implement Pressure490 49 kPa MAX
(71.0 7.1 psi MAX)
290.0 kPa MIN
(71.0 psi MIN)Normally Open
8T-8638 A/C Refrigerate50.0 2.8C
(122.0 5.0F)
43.3C MIN
(110.0F MIN)Normally Open
9X-4276 Engine Oil Pressure93.0 21.0 kPa
(13.5 3.0 psi)
69.0 21.0 kPa
(10.0 3.0 psi)
1-2, Normally Open
1-3, Normally Closed
9X-9970 Engine Coolant Temp (St Aid)38.0 3.0C
(100.0 5.4F)
26.0C MIN
(78.8F MIN)Normally Closed
MACHINE HARNESS CONNECTOR AND COMPONENT LOCATIONS
2
1
3
4
5
6
7
8
10
9
11
3
4
5
6
1
2
2
3
4
1
3
4 5
61
2
7
2
3
4
5
6
7
3
4 5
1
2
34
5
6
1 1 1
2
2
AREA C
AREA D
AREA B
AREA A
A
2
1
34
3
45
8
9
10
33
11
12
13
14
15
15
16
3
4
5
6
8
9
9
9
10
11 11
12
1415
13
16
B
C
D
E
12
17
18
19 20
21
22
23
24
25
26
27
282930
31
32 35
33
34
36
7
28
20 21
22
23
24
26
27
1825
29 30
31
32
35
A
2
1
3
5 496
78
1011
12
18
27
33
14 15
13 34
16
3
4
5
6
8
8
10
10
11
11
12
14
15
13
16
B
C
D
E
1
2
17
18
19
20
21
22
23
2425
26
27
28
29
30
31
32
35
33
34
367
17
19
20 21
2223
2426
28
25
29 30
31
32
19
7
AREA E
-
SENR6037
20Page,Color
F
E
D
C
B
A
12 11 10
12 11 10
9 8 7
9 8 7
6 5 4
6 5 4
3 2 1
F
E
D
3 2 1
C
B
A
12
B749-GN
B737-GN
21
12
BK-18
2
WHYLBKRD
1
12
12
21
21
142-BUB783-OR
A771-PU200-BK
12
265-BK
BK
235-BK
RD
201-BK
763-BU
21
2
B737-GNB749-GN
491-PK
201-BK
A769-GY
1
A768-BU
410-WH113-OR
B783-OR
A771-PU
BK-18
ATCHCAB LAMP5I-8250
WINDSHIELDSW9G-2795
A769-GY
ATCHCAB LAMP5I-8250
BOOM LAMP5I-8250
ATCHBOOM LAMP5I-8250
1
432
B730-OR
235-BKB731-WH
A768-BU
124-GN-14
521-YL
ATCHETHERSTART SW7X-6387
DISCONNECTSW7N-0719
12
103-YL
615-YL
12
MOTOR
12
MOTOR
L
H
1432
ANTENNA7Y-5435
ATCH GREASE PUMP4I-8476
ATCHCAB LAMP(HEAD GUARD)5I-8252
ATCHCAB LAMP(HEAD GUARD)5I-8252OPERATOR STATION
OPERATOR STATION OPERATOR STATION
OPERATOR STATION
21
SERVICEMETER6T-7337
+BATTERY
DATA +DATA -
GROUND
WIPER
6C-9102
CIGARLIGHTER9W-0335
ACTION ALARM3E-6328
105-BR307-OR
DOME LAMP8C-9678
KEY START SW9G-7641
GROUND
HORN SW6I-5088
NEUTRALSTART SW9W-2150
CHASSISLAMP5I-8250
R
CSB
OFFONST
POSNEGPOSNEG BATTERY9G-4247
150-OR
150-OR
L31
B749-GN
B737-GN
200-BK
D777-PU
150-ORD777-PU
307-ORD777-PUD777-PU
150-OR
150-OR
200-BK
SS
SS
L14
L9
L13
L17
L15
L16
L12
L10
L9
A768-BUA769-GY
763-BU172-GN
D777-PU150-OR
L11
L12
L31
C
L10
L10
L9
L14
L12200-BK
124-GN
200-BK124-GN
BKRD
124-GN
200-BK
ATCHSEATHEATER100-7729
ATCHSEATHEATER SW7X-6386
A537-PK
A537-PK21
21
172-GN
A754-GY
B733-YL
113-OR
A761-PU
405-GY
522-WH-14
325-PK
506-PU
34
12
495-GN
201-BK788-YL
A762-PU
311-WH
492-GY
113-OR403-GN
200-BK
326-PU
A754-GYB733-YL
D777-PU
A754-GYB733-YL
WH-18BK-18
JJBBGG
325-PK
ATCHREFUELING SW5C-6108
B733-YL172-GN
172-GN
BYPASS 1SOL7T-9746
A
A754-GY
BYPASS 2SOL7T-9746
ENGSPEED SENSOR3E-7886
BK-00
RD-00
RD-00
109-OR-4
BK-00
RD-00
200-BK-14323-WH-14
325-PK365-YL
ATCHREFUELINGPUMP102-6168
113-OR492-GY201-BK
CHASSIS
200-BK201-BK
201-BK200-BK
200-BK
326-PU
CHASSIS
B955-YL
RADIO
21
21
FUELLEVELSENSOR7Y-3848
BKYL
A768-BU
492-GY
403-GN
A761-PUA762-PU788-YL
113-OR
4321
B
495-GN
491-PK
BKRD
101-RD-4
BK
W
E
121-YL
D
615-YL-14
A
113-OR
120-YL124-GN-14
103-YL129-BU147-PU
501-GN500-BR
506-PU
105-BR320-OR322-GY306-GN
304-WH-8
308-YL
109-OR-4
403-GN522-WH-14
113-OR
120-YL124-GN-14103-YL129-BU147-PU
501-GN500-BR
310-PU
105-BR320-OR322-GY306-GN308-YL
A769-GY
B789-BR-14B739-WH-14B790-OR-14B740-OR-14
B731-WHB730-OR
A758-BRA757-GYA756-BUA755-PK
615-YL-14
2
607-PK-14
B956-PK
410-WH
535-BU118-GY
B786-BU
1
43 2 1
A762-PU
788-YL
PP
ATCH HYDHAMMERCONT SW7X-6386
405-GY
150-OR
MOTOR
WASHERMOTOR7T-8890
109-OR-4
308-YL
101-RD-4304-WH-8109-OR-4
788-YLA762-PU
405-GY113-OR
109-OR-8
403-GN
109-OR-4
492-GY
535-BU118-GY
607-PK-14
D-7F-27Y-5504A
A
D
BKRD
Z (NOTE C)
L20
2
D777-PU
118-GY535-BU
410-WH
B956-PK
607-PK-14
1
ATCHREFUELINGPUMP SW7Y-8263
615-YL-14
A755-PK
113-OR
A756-BUA757-GYA758-BR
321-BR
B730-OR
A761-PU
B731-WH
142-BU
B740-OR-14
405-GY
B790-OR-14
491-PK
B739-WH-14B789-BR-14
308-YL306-GN322-GY320-OR
NOTE C : USE WITH CAB RISER
105-BR
500-BR501-GN
147-PU129-BU103-YL124-GN-14120-YL
113-OR
615-YL-14200-BK-14
A
B786-BU
410-WH
B956-PK
A755-PKA756-BUA757-GYA758-BR
B730-ORB731-WH
B740-OR-14B790-OR-14B739-WH-14B789-BR-14
B955-YL
B738-BR
B955-YL
201-BK
ATCHHEAVYLIFT 2SOL6I-6826
150-OR
D776-WH
ENGSHUTDOWNSOL3E-7985
A
ALTGROUND
G S
MTR BAT
MOTOR
SIGNALBKYLOR
STARTER4N-3181
D776-WHBYPASS 2 SOL
633-BU-14
200-BK-4
109-OR-4
616-BU-14
403-GN
113-OR
A
492-GY
C
201-BK
B R+
COLD WEATHER
Z
200-BK-4
101-RD-4
200-BK-10
304-W
H-8
21
D776-WH
4
6
323-WH-14
ATCHHAMMERCONT SOL7Y-5005
RR
21
SWINGPRESS. SW4I-5387
SWINGPOWER SOL6I-6826
403-GN
320-OR322-GY
109-OR-4
140-BU
101-RD-4
121-YL
172-GN
786-GN
607-PK-14
A983-BU
A762-PU
304-W
H-8
792-OR
325-PK
535-BU
506-PU
616-BU-14
791-PK
501-GN
150-OR
633-BU-14
150-OR
513-OR-14
365-YL
521-YL-14
B786-BU
118-GY
HARNESS AS.
200-BK
311-WH
LOCPART NO.
129-BU142-BU
500-BR
200-BK
113-OR150-OR
105-BR
124-GN-14
365-YL
521-YL-14
147-PU120-YL
103-YL184-BU-14
615-YL-14
112-PU-12
IDENT
CIRCUIT GROUPINGDESIGNATION
586-BR
323-WH-14
ATCHHEAVYLIFT 1SOL4I-6158
#L
ATCH WIRE, CABLE,COMPONENT
CIRCUIT NOT CONNECTED
CIRCUIT CONNECTED
112-PU-12
BLUEGREEN
112-PU-14
112-PU-14112-PU-14
101-RD-14
BUGN
RDWHORYLPKBK
BLADE, SPADE, RING,OR SCREW TERMINAL
INTERNAL ELECTRICALCONNECTION TO SURFACEOF COMPONENT
ELECTRICAL CONNECTIONTO VEHICLE STRUCTURE
CONNECTOR
SYMBOL DESCRIPTION
BROWNPURPLEGRAYBLACK
COLORABBREV
PINKYELLOWORANGEWHITERED
BRPUGY
A 6C-9255B 6C-9256C
132
6C-8632
B738-BR
D 105-9922
5
513-OR-14
E
2 3
6C-9030F
HEATER UNIT
7Y-3983
103-YL615-YL-14120-YL
147-PU
522-WH-14521-YL-14
124-GN-14
320-OR
G 7Y-8283H
322-GY
113-OR
306-GN
129-BU
607-PK-14
501-GN535-BU500-BR118-GY
A763-GY-14B751-YL-14B789-BR-14B739-WH-14B790-OR-14B740-OR-14
A769-GY
B731-WHB730-ORA768-BU
7Y-8290
308-YL
403-GN
410-WH
B956-PKB955-YL
310-PUB786-BU105-BR
326-PU
A758-BR
A757-GY
A756-BUA755-PK
J 7Y-8285K
103-YL
615-YL-14
120-YL
147-PU
522-WH-14521-YL-14
124-GN-14
320-OR
6C-9031L 7Y-3978
322-GY
113-OR
306-GN
129-BU
607-PK-14
501-GN535-BU500-BR118-GY
A763-GY-14B751-YL-14B789-BR-14B739-WH-14B790-OR-14B740-OR-14
A769-GY
B731-WH
B730-ORA768-BU
M
308-YL
403-GN
410-WH
B956-PKB955-YL
310-PUB786-BU105-BR
326-PU
A758-BR
N
ATCHA/C COMPRCLUTCH SOL8T-8813
102-7915P 7Y-3984RST 6C-8839U
PLATFORM
V102-7939
306-GN
201-BK
410-WH
B955-YLB956-PK113-OR
102-7878
501-GN
535-BU
A-7
CABLE AS.
201-BK201-BK
AA 7Y-5545 A-2BB
200-BK-14
A-3CC
124-GN-14521-YL-14
120-YL
200-BK
129-BU
201-BK
B786-BU
7Y-5547
403-GN
A-3DD
10
A-3
200-BK
492-GY788-YL
101-RD-4
EE 7Y-5548FF 7Y-8299GG
616-BU-14633-BU-14
7Y-3975
308-YL
D776-WH
JJ
121-YL
7Y-3976
615-YL-14
184-BU-14
THIS SCHEMATIC IS FOR THE 350 EXCAVATOR.
COMPONENTS ARE SHOWN INSTALLED ON A FULLYOPERABLE MACHINE WITH THE KEY AND ENGINE OFF.
792-ORA983-BU786-GN791-PK
UNLESS OTHERWISE SPECIFIED ALL WIRE IS 16 GAGE.
B-4
185-YL-14120-YL124-GN-14
103-YL129-BU150-OR
C-4B-4F-11
B738-BR586-BR
CHASSISBOOM
501-GN500-BR
506-PU
172-GN
10A
140-BU
185-YL-14
115-PK-14
15A
149-PU-14
112-PU-14
142-BU
105-BR
112-PU-14
10A10A
786-GN
115-PK-14
791-PK
615-YL-14
616-BU-14
115-PK-14
149-PU-14
786-GN
786-GN
149-PU-14
633-BU-14791-PK
115-PK-14
1931
F-11F-9A-12
7Y-55037Y-5502
607-PK-14
1
B789-BR
B738-BR235-BK
586-BR147-PU
BOOMLAMPRELAY7Y-5490
A
TRAVELSPEEDSOL7I-1245
RD
PROPORTIONALREDUCING
5I-8368
267-BK266-BK265-BK264-BK
16
9
244115
28
2210
235-BK-14
14318236122115
207
19171
200-BK
7Y-5501
7Y-8297
7Y-5546
MMLLKK
D-2
D-3E-6D-2
D-8
C-7
3121
11
23
26
410-WH2730207
B956-PK
A755-PK
40
A756-BU
36
A757-GY
1969829393837
28
13
10
A758-BR
1516
14
ATCHHEAVY LIFTSW7X-6386
586-BR
B738-BR
24
A
A
A
A
253512
B730-OR
1
B731-WH
500-BR
223233342
B740-OR-14
13
B790-OR-14
ONE TOUCHLOW IDLE SW6I-5088
5
B739-WH-14B789-BR-14
F-6
PREHEATRS232 RXDRS232 TXD
792-OR
HEAVY LIFT 1,2 SOL
B955-YL
501-GN
OPERATOR STATION
B790-OR
A757-GY
A756-BUA755-PK
GOV ACT BU SW +
307-OR
12
B751-YL-14A763-GY-14B789-BR-14B739-WH-14B790-OR-14B740-OR-14
B790-OR
147-PU
6
4
A
A
A
113-OR
D-2C-2D-5F-3F-2E-4
MONITOR102-7891
5
323-WH-14
301-BU-10
C-7
200-BK-10
326-PU
201-BK
D-6
21
GOV ACT BU SW -
FUSE10A 9W-144215A 9W-144120A 9W-1446
B-3C-12
323-WH-14365-YL
506-PU
365-YL
A983-BU
F-8
535-BU
506-PU
4
B737-GN
17
B738-BR
6C-9177
365-YL
NOTE A : USE WITH SHORT BOOM
168-GN-14
405-GY
A771-PU763-BU
F-9
W
B957-GN
113-OR
235-BK
405-GY403-GN
492-GY
235-BK
200-BK
RELAYBOX
320-OR
495-GN
BKBK
OPTION VALVE -
201-BK
403-GN
OPTION VALVE +
A
BB AA
OPTION SENSOR
WIPERRELAY7Y-5490
WASHERRELAY7Y-5490
DD
CC
10
500-BR
EE
GG
AA
A
A
9
168-GN-14
BK
168-GN-14 REFUELING
BR
320-OR
B956-PK
10A
322-GY
D777-PU
308-YL326-PU
105-BR
HORNRELAY7Y-5490
320-OR322-GY
114-GN
FUSE & RELAY PANEL
B786-BU
310-PU
535-BU
607-PK-14306-GN
RELAY BOX
235-BKB786-BU
105-BR310-PU
FUSE&RELAYPANEL
FUSE & RELAY PANEL
326-PU308-YL
A758-BRA757-GYA756-BUA755-PK
ALTERNATOR5S-9088
ATCHALTERNATOR3E-7577(HIGH CAPACITY)
322-GY
10A
10A
LOW IDLE SW B786-BU
GOV ACT +EP SOL -
10A
EP SOL +
ACCEL SW TERM S1ACCEL SW TERM S2
118-GY
ACCEL SW TERM S3
RELAY BOX
ACCEL SW TERM S4
DATA -GOV ACT -
DATA +FAULT ALARM
KEY SW ON 308-YL
15A
L17
L6
10A
15A
10A10A
L4
L5
OPTION SW 2
ATCHREFUELINGPUMPRELAY7Y-5490
616-BU-14
A755-PK
BA
L10
A756-BUA757-GYA758-BR
L14
B738-BR
L12
L6
L13
5
L3
L16
4
C
BK
C
C
C
C
112-PU-14
149-PU-14
A
A
A
149-PU-14
F
B
112-PU-14184-BU-14
142-BU
140-BU103-YL
120-YL
J
121-YL
N
B
HEAVY LIFTHEATER
N
A768-BU
W
B
E
JJ
KK
LL
A768-BU
GB
B
B B
310-PU
COOLANT LEVEL SW
B
GN
C
201-BK
L15
H H
H
K
K
K
K K
K
GROUND
L2
L1
L11
235-BK
L18
586-BR
L20
L19
E T
235-BKB738-BR
N
BK-00
F
FP
L28
12
3
L
L27
L
P (NOTE A)
D A
L26
IMPLEMENT
PRESS. SW4I-5387
4
5
20A10A
129-BU
112-PU-12
113-OR
112-PU-12
101-RD-14
RADIO
SWING
121-YL
MONITOR
120-YL
20A
OPTION RELAY 1
129-BU
G
172-GN306-GN
304-WH-8
308-YL
109-OR-4
OPTION RELAY 2
S4
CHASSIS LAMP RELAY
142-BU
113-OR
BOOM LAMP RELAY
WORK/TR
WASHER RELAYWIPER RELAY 792-OR
A983-BU
CIGAR
CHASSISLAMPRELAY7Y-5490
A
ATCHBOOMLAMPRELAY7Y-5490
791-PK
321-BR
ATCHCABLAMPRELAY7Y-5490
121-YL
B783-OR
506-PU
535-BU
786-GN
405-GY
311-WH
791-PK
S3
B955-YL
D776-WH
2
G
9
FRONT LINK PR SW
ATCH PR SW
B749-GN
201-BK
HAMMER
HARN CODE 1
200-BK
GREASE
150-OR124-GN-14
KEY
10A10A
8
311-W
H
112-PU-14
112-PU-14112-PU-14
521-YL-14
109-OR-4
109-OR-8
2
L10
1
101-RD-14
L24
L9
522-W
H-14
101-RD-14
200-BK
308-YL
304-WH-8
200-BK
321-BR
306-GN
112-PU-12
ALTBREAKER9S-4693
L25
112-PU-12
101-RD-4
BACKUP
172-GN
147-PU112-PU-14101-RD-14118-GY
105-BR
506-PU
535-BUA983-BU
501-GN792-OR500-BR
3
SWING POWER SOL
WORK MODE 1 SOL
TRAVEL PR SWSWG BRK PR SW
HARN CODE 2
SPEEDCHANGESW7N-8008
HARN CODE 3HARN CODE 4
BACKUPGOVERNORSW3T-4405
BU
STARTRELAY9X-8124
495-GN
B
K
MAIN RELAY3T-0376
101-RD-14
TRAVELPRESS. SW4I-5387
80
PK
10A
ATCHBATTERY9G-4247
NEGPOSNEGPOS
2
L24
L23
B783-OR
BK
535-BU114-GN
118-GY
607-PK-14
184-BU-14
BK-18
HORN
114-GN
CONTROL
103-YL
TR ALARM
DOME LAMP
633-BU-14
WIPER
615-YL-14
200-BK
B749-GN
L13
Y 6C-9005
321-BR
F-8
615-YL
ENG OILPRESS. SW9X-4276
103-YL
ATCHCOOLANTTEMPETHER SW9X-9970
ATCH A/CREFRIGERANTPRESS. SW8T-8639
1
120-YL
586-BR
D777-PUHEAVY LIFT 3 SOL
A763-GY-14B751-YL-14
K
B
YL
121-YL
G
G
BU
PUBK
543
CHASSIS
HH
L18
172-GN
142-BU
109-OR-4
RD-18
2
172-GN
304-WH-8
D-9
101-RD-4
113-OR
START
RESISTOR102-8017
L22
HH
121-YL321-BR
150-OR
GND
ATCHETHERSOL9G-4365
HYD OILTEMPSENDER4I-5394
NN (NOTE C)
Y (NOTE C)
L19
607-PK-14140-BU
+BATTERY
+B
403-GN
109-OR-4
C
T
A758-BR
200-BK-4
A
306-GN
307-OR
D
185-YL-14
185-YL-14
113-OR
185-YL-14
S2S1
185-YL-14
COM
185-YL-14
1
2
3
1
185-YL-14
185-YL-14
6
5
4312
5
21
522-WH-14
SIGGND
OR
7
6
8
A762-PU
4
L532
1
521-YL-14
CHASSIS
BACK UP SW B
40393837363534333231302928272625242322212019181716151413121110987654321
L21
BU-18
788-YL
24V+
P
16
105
N
98
32
N
67
E
B
5
A
X
A
616-BU-14
147-PU
M
L4
L3
21
A
521-YL-14
W
710
D
76
786-GN
791-PK
320-OR
200-BK
607-PK-14
W
T
89
CHASSIS
CHASSIS
4
18
A769-GY
A768-BU
B731-WH
B730-OR
WW
E-10
FF
BLOCK AS.9G-8451
A
4
5I-8358
3
2
200-BK
522-WH-14
501-GN
A
235-BK
CHASSIS
1
BK-00
311-WH
X
326-PU
491-PK495-GN
RD-00
B738-BR
113-OR
HH
235-BK
SIG
172-GN
F-8
ENG
PUMP
CONTROLLER
102-8025
4 3
10
L8
L8
BK-00
A757-GYA756-BU
2
WIRE AS.
21
A755-PK
200-BK
235-BK
118-GY
7Y-8299
1
A
ENGGOVERNORACTUATOR7Y-3991
NN
150-OR
B
L7
L27
L26
G
J
150-OR
J
B
410-W
H
12
L1
113-OR
1
L29
129-BU
L2
RD-00
235-BK-14
L1
185-YL-14
B956-PK
L5
2
2
201-BK
403-GN
L2
L4
363526251615
65
3938
37343332302928
L3
27
L30
L29
L21
34
242322212018171413121110987432
1
D776-WH
D
L28
L7
N
N
40
COOLANTTEMPSENSOR3E-5370
5
A
150-OR
101 3
201-BK
4 2 6
615-YL-14
98
200-BK-14
7
9
235-BK
200-BK
103-YL
1
200-BK
235-BK
8
200-BK
235-BK
7
235-BK-14
6
-
A761-PU
147-PU
306-GN200-BK
B955-YL
A763-GY-14
B789-BR-14
RD-00
TRAVEL SPD SOL 763-BUA771-PUB737-GN
STOP
BK-00
5
103-YL
H
RD-00
RD-00
322-GY
BK-00
B751-YL-14
A762-PU
308-YL
586-BR
788-YL
311-WH310-PU
C
500-BR
320-OR322-GY
140-BU
121-YL
172-GN
786-GN
607-PK-14
A983-BU
201-BK
792-OR
535-BU
506-PU
616-BU-14
791-PK
501-GN
633-BU-14
118-GY
129-BU
B751-YL-14
185-YL-14142-BU
500-BR
535-BU
113-OR
235-BK
B739-W
H-14
B790-OR-14
103-YL
501-GN
150-OR
105-BR
124-GN-14
120-YL
103-YL
A763-GY-14
308-YL
200-BK-14
BK-00
184-BU-14
615-YL-14
308-YL
109-OR-4101-RD-4304-WH-8
615-YL-14
184-BU-14
200-BK
A770-PK
185-YL-14
CHASSIS
BK-00
GND
BYPASS 1 SOL
S
A768-BU
MM
D
200-BK
120-YL
L32
L32
200-BK129-BU
403-GN
D A
118-GY
A
615-YL-14200-BK-14
118-GY
L22
A
607-PK-14322-GY
607-PK-14200-BK-14
200-BK322-GY
322-GY200-BK
BK-00
200-BK140-BU
200-BK-14607-PK-14
322-GY
633-BU-14
200-BK-14616-BU-14
200-BK-14
607-PK-14
200-BK-14
10A
B740-OR-14
322-GY
HORN7T-0970
HORN7T-0969
506-PU
A
185-YL-14
172-GN
G
CHASSISLAMP5I-8250
5V+
RR
RR
185-YL-14
200-BK-14
GOV POSITIONENGINE SPEED -ENGINE SPEED +ENGINE COOL TEMP
200-BK-14
L30
ENGINE OIL PR
ENGINE
SPEEDDIAL
7Y-5465
21
G
L25
A
L23
BK-00
307-OR
ALTERNATOR
3
410-WH
235-BK
185-YL-14
A763-GY-14
200-BK-14
TRAVELALARM
495-GN
HYD OIL TEMP
HYD OIL LEVEL SW
3
D777-PU
325-PK
2
TRAVELALARM3T-1444
1
FUEL LEVEL
306-GN
+
A754-GY
101-RD-14
B751-YL-14
1
113-ORB956-PKB955-YL201-BK200-BK129-BU201-BK
OPERATOR STATION
403-GN
607-PK-14
HEAVY LIFT SW
101-RD-14
200-BK
BK-00
K
BACKUPPS VALVESW3T-4405
C
320-OR
ATCHHEAVYLIFT 3SOL102-0725
200-BK
ENG OIL LEVEL SW
326-PU
RELAYBOX
150-OR
D776-WH
200-BK-14
FF
A761-PU
267-BK
A
B733-YL
3
PLATFORM
4
633-BU-14
ALL DASHED LINES ARE ATTACHMENTS.
WIRES THAT HAVE BATTERY VOLTAGEWHEN THE KEY SWITCH IS OFF.
WIRES THAT HAVE BATTERY VOLTAGEWHEN THE KEY SWITCH IS ON.
STARTING CIRCUIT.
GAUGE CIRCUIT.
WIPER/WASHER CIRCUIT.
HEATER AND AIR CONDITIONER CIRCUIT.
GROUND CIRCUIT.
ENGINE SHUTDOWN CONTROL CIRCUIT.
START AID CIRCUIT.
ENGINE/PUMP CONTROL CIRCUIT.
CONN 24
CONN 51
CONN 25
CONN 52
CONN 53
CONN 21
CONN 20
CONN 60
CONN 13
CONN 59
CONN 10
CONN 58CONN 12
CONN 11
CONN 18
CONN 17
CONN 11
CONN 19
CONN 14 CONN 16
CONN 15
CONN 64
CONN 62
CONN 50
CONN 3
CONN 4
CONN 6
CONN 23
CONN 48
CONN 49
CONN 1
CONN 2
CONN 40
CONN 5
CONN 69
CONN 39
CONN 45
CONN 44
CONN 33
CONN 34
CONN 32
CONN46
CONN43
CONN42
CONN41
CONN36
CONN37
CONN66
CONN 38
CONN 26
CONN 67
CONN 68
CONN 47
CONN 27
CONN 28
CONN 35
CONN 30
CONN 31
CONN 29
CONN 7
CONN 8
CONN 63
VALVE
BACKUP
MOTOR
L9
5 432 1
200-BK-14
4I-1275
A/C UNIT
CONN 6
4I-0470
ATCH
5 432 1
1 28103-YL/RD
200-BK
GD CAB
8103-YL/RD
615-YL-14
CONN 73
8103-YL/RD
615-YL-14 23
41
T
T
T
12 201-BK
403-GN
12
MOTOR
L
H
1432
BOTTOM WIPER6C-8438
K
CONN 71
T
1432
K
CONN 70
200-BK535-BU
501-GN
21
501-GN
535-BU
200-BK
TOP
CONN 72
K E
501-GN535-BU
K
GD CAB