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Section 4 Electrical System

The document describes the location of electrical components on a machine. It lists 31 components in the cab area such as switches for lights, wipers and alarms. It also diagrams the location of 20 additional components including lamps, sensors, relays and valves in other areas like the boom, cab and terminal. The document provides an overview of the electrical system and where its key parts are located.

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Jonh
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51 views3 pages

Section 4 Electrical System

The document describes the location of electrical components on a machine. It lists 31 components in the cab area such as switches for lights, wipers and alarms. It also diagrams the location of 20 additional components including lamps, sensors, relays and valves in other areas like the boom, cab and terminal. The document provides an overview of the electrical system and where its key parts are located.

Uploaded by

Jonh
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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SECTION 4 ELECTRICAL SYSTEM

Group 1 Component Location ----------------------------------------------------------------------------------------- 4-1


Group 2 Electrical Circuit -------------------------------------------------------------------------------------------------- 4-3
Group 3 Electrical Component Specification ------------------------------------------------------------------ 4-21
Group 4 Connectors --------------------------------------------------------------------------------------------------------- 4-29
SECTION 4 ELECTRICAL SYSTEM
GROUP 1 COMPONENT LOCATION

1. LOCATION 1

27 26
28 25
29 24
30 23
31 A
B
C

22
21
20
19
1
18
2
3
4
5
6
7
8
9
10

11
15 17
14 16
13
12

2209SB4EL01

1 Cigar lighter 12 Safety lever 23 Rear work lamp switch


2 Air conditioner & heater switch 13 Power max switch 24 Overload switch
3 Remote controller 14 Emergency engine stop switch 25 Beacon switch
4 Accel dial switch 15 One touch decel switch 26 Quick clamp switch
5 Horn switch 16 Fuse & relay box 27 Cab light switch
6 Breaker operation switch 17 Master switch 28 Travel alarm switch
7 12 V socket 18 RS232 service socket 29 Washer switch
8 Cluster 19 Radio & USB player 30 Wiper switch
9 Start switch 20 Heated seat switch 31 Main light switch
10 Hour meter 21 Speaker
11 Air compressor switch 22 Machine control unit (MCU)

4-1
2. LOCATION 2

4
21 1

1
1
1
22
BOOM SOLENOID VALVE CAB
23
2 8 9 10
24
a4
a3
12
a2
3 13
a1
11
14
5
15

7
18
1 19
Patt
Ptr

16 20
H

17

TERMINAL COUNTERWEIGHT MAIN CONTROL VALVE


2209SB4EL02

1 Lamp 9 P2 pressure sensor 17 Swing pressure sensor


2 Fuel sender 10 Screw coupling 18 Attach pressure sensor
3 Fuel filler pump 11 Start relay 19 Travel pressure sensor
4 Beacon lamp 12 Back buzzer 20 Rear view camera
5 Battery 13 Alternator 21 Solenoid valve
6 Battery relay 14 Heater relay 22 Boom priority EPPR valve
7 Horn 15 Air cleaner sensor 23 Pump EPPR valve
8 P1 pressure sensor 16 Boom up pressure sensor 24 EPPR pressure sensor

4-2

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