Electrical Diagram - Hitachi Zaxis 850LC-3 Operator's Manual

ELECTRICAL DIAGRAM

AUTO
RE-FUELING
OPTION
BOX GROUND
GLOW RELAY
(1) CAB OUTSIDE CAB INSIDE
(2)
FUSIBLE LINK
GLOW RELAY
FUSIBLE LINK
BATTERY RELAY
(16)
(15)
(14)
BATTERY LOAD DUMP
RELAY
SECURITY STARTER CUT
(3) RELAY RELAY
SAFTY RELAY
(4)
(19) PILOT SHUT-OFF SW. (20)
(6)
LUBRICATOR SW.
LUBRICATOR
(5)
ELECTRICAL LUBRICATOR
PILOT SHUT-OFF
SOLENOID VALVE
LUBRICATOR
BOX GROUND
(22)
(7)
AUTO LUBRICATION PUMP HORN SW.
(23)
HORN RELAY
BOX EARTH
(24)
HORN SW.
PROXIMITY SW. HORN (H) WIPER MOTOR DOOR SWITCH
HORN SIDE
MAIN CIRCUIT
BOTH MALES
(8)
PROXIMITY SWITCH AUTO LUBRICATION
HORN (L)
(26)
WIPER MOTOR
WIPER RELAY
(25)
(27)
WASHER
(28)
WASHER RELAY
(9)
LIGHT RELAY2
(10)
WORK LIGHT(BOOM)
(29)
WORK LIGHT(BOOM RIGHT SIDE)(OPT.) LIGHT RELAY1
WORK LIGHT (RIGHT FENDER) (11)
BOX EARTH
(12)
WORK LIGHT (LEFT FENDER)(OPTION)
(30)
WORK LIGHT (STD,HD) CAB UPPER
LIGHT RELAY
(13)
STARTER SWITCH
POWER ON SIGNAL
LOAD ACC
LOAD ALT
FUSE
TOOL
(17)
ROOM LAMP
COMPLETED
WIRING
(18)
LIGHTER
ILLUSTRATION IS B DIRECTION
:USUALLY
(21)
MONITOR
(33)
ECM MAIN RELAY
AUTO LUB. RELAY
(34)
OPTION POWER
BUZZER
(38)
SPEAKER L
SPEAKER R
RADIO
(35)
(36)
(37)
FAN ROTATION
DIRECTION SW. (OPT)
UP TO THREE LIGHTS A RELAY
(43)
ENGINE
NEUTRAL
(31)
(32) MAIN
POWER
PWM MAIN
GND
MAIN GND
GND
CONTROLLER
OVERLOAD ALARM SWITCH
ARM
ROLL-OUT
CAB INSIDE CAB OUTSIDE
(46)
8-5
AIR CONDITIONER UNIT
(57)
BLOWER MOTER
(58)
BLOWER MAIN
RELAY
(39)
COMPRESSOR
CLUTCH RELAY
SOLER RADIATION SENSOR
CCD CAMERA
(40)
CCD CAMERA SIGNAL IN-PUT
MONITOR CCD CAMERA POWER
DOMESTIC
INTERNATIONAL
NORTH AMERICA
POWER DIGGING SW
FUEL SIGNAL
COOLANT TEMP SIGNAL
REG IN-PUT
POWER IN-PUT
AIR FILTER RESTRICTION SW. IN-PUT
GLOW IN-PUT ENG. OIL PRESS. SW. IN-PUT
OVER-HEAT SW. IN-PUT
POWER ON SIGNAL
RS232C COMMUNICATION IN-PUT
(MONITOR REWRITING)
RS232C COMMUNICATION OUT-PUT
SECURITY RELAY CONTROL AUTO-IDLE SW. IN-PUT
LOAD DUMP RELAY OUT-PUT
LIGHT RELAY1 OUT-PUT WASHER SW. IN-PUT
LIGHT SW.2 IN-PUT
LIGHT RELAY2 OUT-PUT
LIGHT SW.1 IN-PUT
WIPER A RELAY OUT-PUT
AUXILIARY1 SW. IN-PUT
WASHER RELAY OUT-PUT
SECULITY HORN RELAY OUT-PUT
WIPER SIGNAL IN-PUT
SUB WIPER RELAY OUT-PUT
WIPER SIGNAL IN-PUT
WIPER SIGNAL IN-PUT
BUZZER OUT-PUT
HYD. OIL FILTER SW. IN-PUT
ANTI-THEFT CONNECTION DETECT SIGNAL
EC DIAL SIGNAL IN-PUT
ANTI-THEFT PULSE IN-PUT
EC DIAL SIGNAL IN-PUT
GLOW EXT
AUXILIARY2 SW. IN-PUT
PILOT SHUT-OFF DETECT
HOUR METER STOP
MONITOR
(41)
NORMAL OPEN
(42)
BOOM MODE SW.
LEVEL CHECK SW.
LEARNINGL SW.
TRAVEL ALARM
DEACTIVATION SW.
(44)
PUMP
AUTO LUBRICATION
MAIN SW.
(45)
HYD. OIL TEMP.
SENSOR
(47)
(50)
BOOM
BOTTOM
PRESSURE
SENSOR
ARM BOOM BOOM BUCKET BUCKET TRAVEL TRAVEL
PRESSUR
ROLL-IN RAISE LOWER ROLL-IN ROLL-OUT RIGHT LEFT
SENSOR (HIGH)
(51)
PRESSURE SENSOR(LOW)
4-SPOOL SOLENOID VALVE SWING
SENSOR BLOCK PUMP2
(49)
(5-SPOOL)
(INCLUDE SHUTTLE VALVE) ATT SENSOR
(48)
(61)
FRESH AIR/CIRCULATION AIR
SELECT SERVO MOTER (MRF)
(60)
FRONT VENT SERVO MOTER (MV2)
BLOWER RESIST.
(62) (63)
VENT SERVO MOTER (MV1) A/M SERVO MOTER (MAM)
(59)
(64)
IN-CAB TEMP. SENSOR (THI)
FROST SENSOR (THF)
(65)
PRESSURE SWITCH
WATER TEMP. SENSOR (THW)
(66)
(67)
(68)
SWITCH BOX
AUTO-IDLE
LIGHT SW
SIGNAL
WIPER VR
INTERIOR LIGHT
SIGNAL
ENG. SPEED
CONTROL DIAL
HIGH-SPEED
TRAVEL 2-SPEED SW.
LOW-SPEED
MODE
FAN MOTOR ROTATION DIRECTION
SELECT SOLENOID1
FAN MOTOR ROTATION DIRECTION
CONTROLLER SELECT SOLENOID2
COOLANT LEVEL SW. (OK)
ENG. OIL LEVEL SW. (OK)
ENG. OIL LEVEL SW. (OK)
SWING ALARM
OPTION
AIR FILTER RESTRICTION SW.
(56)
FAN PUMP
(53) ROTATING LIGHT
DELIVERY DELIVERY
PRESSURE SENSOR
PRESSURE SENSOR PRESSURE SENSOR(LOW)
PUMP1
SECONDARY
SECONDARY (4-SPOOL)
PRESSURE SENSOR
PRESSURE SENSOR
(54) (55)
(52)
CAB INSIDE CAB OUTSIDE
(71)
FUEL LEVEL SENSOR
TRAVEL ALARM
COMPRESSOR
(72)
TRAVEL ALARM
FAN MOTOR
ROTATION
DIRECTION SELECT
FAN MOTOR
(69)
ROTATION
DIRECTION SELECT
COOLANT LEVEL SW.
(70)
(73)
STARTER
(74) ALTERNATOR
IC REGULATOR
ALTERNATOR
NOMINAL VOLTAGE
MAIN
NOMINAL CURRENT
GND
POWER ON SIGNAL
(75)
ENGINE OIL LEVEL SW.
(BUILT IN ENGINE)
OVERHEAT SW.
(76)
GLOW PLUG
(77)
(78)