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Click the title that you want to see among the parts lists as follows. (Example : If you want to see

Fuel Sensor, click the icon ELECTRICAL COMPONENT.) Click the icon MOVIE LISTS ,

and you can see the file lists of the movies.

MAIN COMPONENT

1 - Bucket Cylinder

2 - Arm Cylinder

3 - Boom Cylinder

4 - Center Joint

5 - Swing Bearing

6 - Swing Device

7 - Fuel Tank

8 - Hydraulic Oil Tank

9 - Control Valve

10 - Pilot Filter and Pilot Relief

Valve

11 - Pump Device

12 - Engine

13 - Intercooler

14 - Radiator

15 - Oil Cooler

16 - Battery

17 - Travel Device

18 - Shockless Valve

19 - Pilot Shut-Off Valve

20 - Travel Pilot VAive

21 - Front Attachment / Swing Pilot

Valve

ELECTRICAL COMPONENT

1 - Wiper Motor

2 - Horn

3 - Work Light

4 - Fuel Sensor

5 - Pump 1 Control Pressure Sen-

sor (4-Spool Side)

6 - EC Motor

7 - EC Sensor

8 - Pump 2 Control Pressure Sen-

sor (5-Spool Side)

Torque Control Solenoid Valve

Pump 2 Flow Rate Control So-

lenoid Valve

9 - Battery Relay

10 - Ambient Temperature Sensor

11 - Coolant Level Switch

12 - Battery

13 - Starter Relay

14 - Air Cleaner Restriction Switch

15 - Pressure Sensor (Boom Raise)

16 - Pressure Sensor (Arm Roll-In)

17 - Pressure Sensor (Swing)

ELECTRICAL SYSTEM (Relays)

1 - GPS ON/OFF Switch

(Satellite Navigation System

Equipped Machines only)

2 - QOS Controller

3 - ICX (Information Controller)

4 - MC (Main Controller)

5 - Satellite Terminal (Optional)

6 - Fuse Box

7 - Learning Switch

8 - Dr.EX Connector to MC

9 - Download Connector

(Not Provided on Satellite Ter-

minal equipped machines)

10 - Dr.EX Connector to ICX

11 - Load Damp Relay (R1)

12 - Washer Relay (R2)

13 - Work Light Relay 2 (R3)

14 - Work Light Relay 1 (R4)

15 - Horn Relay (R5)

16 - Wiper Relay A (R6)

17 - Wiper Relay B1 (R7)

18 - Wiper Relay B2 (R8)

19 - Wiper Relay B3 (R9)

ELECTRICAL SYSTEM (Monitors and Switches)

1 - Coolant Temperature Gauge

2 - Fuel Gauge

3 - Display Selection Switch

4 - SET Switch

5 - Work Mode Switch

6 - Fuel Level Indicator

7 - Air Filter Restriction Indicator

8 - Alternator Indicator

9 - Hydraulic Oil Filter Indicator

(Optional)

10 - Coolant Level Indicator

11 - Engine Oil Level Indicator

12 - Engine Oil Pressure Indicator

13 - Preheat Indicator

14 - Overheat Indicator

15 - Digging Motor Indicator

16 - Attachment Mode Indicator

17 - Liquid Crystal Display

18 - Auto-idle Indicator

19 - Auto-Acceleration Indicator

20 - Engine Control Dial

21 - Auto-Idle/Acceleration Selector

22 - Power Mode Switch

23 - Travel Mode Switch

24 - Work Light Switch

25 - Wiper/Washer Switch

ENGINE

1 - Coolant Temperature Switch

(Engine Preheat Circuit)

2 - Engine Oil Pressure Switch

3 - Overheat Switch

4 - Coolant Temperature Sensor 5 - Engine Oil Level Switch

PUMP DEVICE SWING DEVICE

Return to INDEX

7/24/2019 Movie hitachi

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MAIN COMPONENT

T1HH-01-02-001

Click the red icon, and you can see

the movie that youre selected. Arm Cylinder

Boom Cylinder

Bucket Cylinder

Front Attachment /Swing Pilot Valve

Travel Pilot Valve

Pilot Shut-OFF Valve

Shockless Valve

Center Joint

Swing Bearing

Swing Device

Fuel Tank

Hydraulic Oil Tank

Control Valve

Pilot Filter andPilot Relief Valve

Pump Device

Engine

Intercooler

Radiator

Oil Cooler

BatteryTravel Device

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ELECTRICAL COMPONENT

T1HH-01-02-002

Pressure Sensor (Boom Raise)Pressure Sensor (Arm Roll-In)

Pressure Sensor (Swing)

Air Cleaner Restriction Switch

Starter Relay

Battery

Coolant Level Switch

Ambient Temperature Sensor

Battery Relay

Pump 2 Control Pressure Sensor (5-Spool Side)Torque Control Solenoid ValvePump 2 Flow Rate Control Solenoid Valve

EC Motor EC Sensor

Pump 1 Control Pressure Sensor(4-Spool Side)

Fuel Sensor

Work LightHorn

Wiper MotorClick the red icon, and you can see

the movie that youre selected.

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ELECTRICAL SYSTEM (Relays)

T178-01-02-006

T178-01-02-007

Fuse Box

ICX (Information Controller)

GPS ON/OFF Switch(Satellite Navigation SystemEquipped Machines Only

QOS Controller

MC (Main Controller)

Satellite Terminal (Optional)

Rear Deck

Learning Switch

Dr. EX Connector to MC

Download Connector (Not Provided onSatellite Terminal equipped Machines)

Dr. EX Connector to ICX

Work Light Relay 1 (R4)

Horn Relay (R5)

Load Damp Relay (R1)

Washer Relay (R2)

Work Light Relay 2 (R3)Wiper Relay B2 (R8)

Wiper Relay B3 (R9)

Wiper Relay A (R6)

Wiper Relay B1 (R7)

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ELECTRICAL SYSTEM (Monitors and Switches)

T178-01-02-008

T178-01-01-004

Fuel GaugeCoolant Temperature Gauge

Auto-AccelerationIndicator

Auto-Idle Indicator

Liquid Crystal Display

Attachment ModeIndicator

Digging Mode Indicator

Overheat Indicator

Preheat Indicator

Engine Oil Pressure

Indicator

Engine Oil Level Indicator

Display Selection Switch

SET Switch

Work Mode Switch

Fuel Level Indicator

Air Filter Restriction Indicator

Alternator Indicator

Hydraulic Oil Filter Indicator (Optional)

Coolant Level Indicator

Engine Control Dial

Auto-Idle / Acceleration Select

Power Mode Switch

Travel Mode Switch

Work Light Switch

Wiper / Washer Switch

7/24/2019 Movie hitachi

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Click the red icon, and you can see the movie that youre selected.

ENGINE

M1HH-07-001

Engine Oil Pressure SwitchCoolant Temperature Switch(Engine Preheat Circuit)

Overheat Switch

Coolant Temperature Sensor

Engine Oil Level S

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7/24/2019 Movie hitachi

7/10

Click the red icon, and you can see the movie that youre selected.

PUMP DEVICE

T1HH-01-02-003

SWING DEVICE

T1HH-01-02-004

Pilot Pump

Pump 2 DeliveryPressure Sensor

Pump 1 DeliveryPressure Sensor

Pump 1

N SensorPump 2

Regulator(Pump 1)

Regulator(Pump 2)

Swing Relief Valve

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7/24/2019 Movie hitachi

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T1HH-01-02-005

TRAVEL DEVICE (ZAXIS 330, ZAXIS 350H)

T1HH-01-02-006

TRAVEL DEVICE (ZAXIS370MTH)

T183-01-02-012

Pressure Sensor (Travel)Pressure Sensor (Front)

CounterbalanceValve

Travel Relief Valve

Counterbalance Valve

Travel ReliefValve

Click the red icon, and you can see

the movie that youre selected.

CONTROL VALVE

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7/24/2019 Movie hitachi

9/10

Click the red icon, and you can see the movie that youre selected.

SORENOID VALVE UNIT

T1HH-01-02-008

SHOCKLESS VALVE

Solenoid Valve Unit (SC)

Solenoid Valve Unit (SI)

Solenoid Valve Unit (SG)

Pressure Sensor (Boom R

Pressure Sensor (Arm Roll-In)

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7/24/2019 Movie hitachi

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Bucket CylinderBucket Cylinder

Arm CylinderArm Cylinder

Boom CylinderBoom Cylinder

Center JointCenter Joint

Swing DeviceSwing Device

Control ValveControl Valve

Pump DevicePump Device

EngineEngine

Travel DeviceTravel Device

HornHorn

Fuel SensorFuel Sensor

Pump 1 Control Pressure Sensor (4-Spool Side)Pump 1 Control Pressure Sensor (4-Spool Side)

EC Motor / EC SensorEC Motor / EC Sensor

Pump 2 Control Pressure Sensor (5-Spool Side),Pump 2 Control Pressure Sensor (5-Spool Side),

Torque Control Solenoid Valve,Torque Control Solenoid Valve,

Pump 2 Flow Rate Control Solenoid ValvePump 2 Flow Rate Control Solenoid Valve

Starter RelayStarter Relay

Coolant Temperature SwitchCoolant Temperature Switch

(Engine Preheat Circuit)(Engine Preheat Circuit)

Engine Oil Pressure SwitchEngine Oil Pressure Switch

Overheat SwitchOverheat Switch

Coolant Temperature SentorCoolant Temperature Sentor

Solenoid Valve Unit (SI)Solenoid Valve Unit (SI)

Solenoid Valve Unit (SC)Solenoid Valve Unit (SC)

Solenoid Valve Unit (SG)Solenoid Valve Unit (SG)

Air Cleaner Restriction SwitchAir Cleaner Restriction Switch

N SensorN Sensor

Swing Relief ValveSwing Relief Valve

Pressure Sensor (Front)Pressure Sensor (Front)

Pressure Sensor (Travel)Pressure Sensor (Travel)

Engine Oil Level SwitchEngine Oil Level Switch

Pilot Filter / Pilot Relief ValvePilot Filter / Pilot Relief Valve

MOVIE LISTMOVIE LIST

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