Hitachi Ex215 Excavator Technical Operational Principle Manual (604.06.807) – PDF Download

Description

Hitachi Ex215 Excavator Technical Operational Principle Manual (604.06.807)

File Details:

Hitachi Ex215 Excavator Technical Operational Principle Manual (604.06.807)

• Manual Language:English
• Downloadable:Yes
• Pages: 126
• Size: 2.42 MB
• Format:PDF

HITACHI EX215 EXCAVATOR TECHNICAL OPERATIONAL PRINCIPLE MANUAL (604.06.807) – PDF DOWNLOAD:

Image Preview:

Description:

Hitachi Ex215 Excavator Technical Operational Principle Manual (604.06.807)

TO THE READER
• This manual is written for an experienced technician to provide technical information needed to maintain and repair this machine.
– Be sure to thoroughly read this manual for correct information concerning the service procedures.
– If you have any questions or comments, or if you found any errors regarding the contents of this manual
ADDITIONAL REFERENCES
• Please refer to the materials listed below in addition to this service manual:
– Operator’s Manual
– Spare Parts Catalog
SERVICE MANUAL COMPOSITION
• The complete service manual consists of four books:
– Technical Manual – Operational Principle
– Technical Manual – Troubleshooting
– Excavator Workshop Manual
– Engine Workshop Manual
– The Technical Manual-Operational Principle includes the technical information concerning the operation of main devices and systems.
– The Technical Manual -Troubleshooting includes the technical information needed for operational performance tests, and troubleshooting procedures.
– The Excavator and the Engine Workshop Manuals include information needed for maintenance and repair of the machine, tools and devices needed for maintenance and repair, maintenance standards, removal/installation and assembly/disassembly procedures.

Table Of Contents:

Hitachi Ex215 Excavator Technical Operational Principle Manual (604.06.807)

TECHNICAL MANUAL OPERATIONAL PRINCIPLE............................  1
Introduction......................................................  2
Section and group contents .......................................  4
	Section1 - General............................................  5
		Group1 - Specification....................................  6
			Excavator Dimensions (Monoblock version)..............  6
			Excavator Dimensions (Triple articulation version)....  7
			Excavator performance.................................  8
			Engine................................................  8
			Engine accessory......................................  8
			Hydraulic Device......................................  9
			Electrical Equipment.................................. 10
		Group2 - Component Layout................................. 12
			Main components....................................... 12
			Electrical system (Overall system).................... 13
			Electrical system (Relays)............................ 14
			Electrical system (Monitor and Switch panels)......... 15
			Electrical system (Fuses)............................. 16
			Pump and related parts................................ 17
			Other components...................................... 18
	Section2 - System............................................. 20
		Group1 - Control System................................... 21
			Outline............................................... 21
			Engine control........................................ 22
			Pump control.......................................... 28
			Valve control......................................... 30
			Other control function................................ 34
		Group2 - Hydraulic System................................. 35
			Main circuit.......................................... 35
			Pilot circuit......................................... 36
			Neutral circuit....................................... 37
			Single actuator operation............................. 37
			Combined operation.................................... 38
		Group3 - Electrical System................................ 41
			Outline............................................... 41
			Electric power circuit................................ 42
			Bulb check circuit.................................... 43
			Intake air heater circuit............................. 44
			Starting circuit...................................... 46
			Charging circuit...................................... 48
			Surge voltage prevention circuit...................... 49
			Accessory circuit..................................... 50
			Engine stop circuit................................... 51
			Engine emergency stop................................. 52
	Section3 - Component Operation................................ 54
		Group1 - Pump Device...................................... 55
			Outline............................................... 55
			Main pump............................................. 56
			Regulator............................................. 59
			Pilot pump............................................ 67
			N sensor (Engine speed sensor)........................ 67
			Pump pressure sensor.................................. 67
		Group 2 - Swing device.................................... 69
			Outline............................................... 69
			Swing motor........................................... 70
			Brake valve........................................... 72
			Swing parking brake................................... 74
			Swing reduction gear.................................. 75
		Group 3 - Control valve................................... 77
			Outline............................................... 77
			Hydraulic circuit..................................... 82
			Flow combiner valve................................... 84
			Pump control valve.................................... 86
			Main relief valve..................................... 88
			Overload relief valve................................. 89
			Arm regenerative valve................................ 90
			Boom anti-drift valve, arm anti-drift valve........... 92
			Bucket flow control valve............................. 92
			Travel flow control valve............................. 94
			Travel/boom lower selector valve...................... 94
			Boom regenerative valve............................... 96
		Group 4 - Pilot valve..................................... 97
			Outline............................................... 97
			Operation............................................. 99
		Group 5 - Travel device...................................107
			Outline...............................................107
			Travel reduction gear.................................108
			Travel motor..........................................109
			Travel brake valve....................................113
			Parking brake.........................................115
		Group 6 - Others components (Upperstructure)..............117
			Pilot shut-off valve..................................117
			Shockless valve.......................................118
			Solenoid valve unit...................................120
			Pilot relief valve....................................122
			EC motor..............................................122
		Group 7 - Others components (Undercarriage)...............123
			Swing bearing.........................................123
			Center joint..........................................124
			Track adjuster........................................125

Please Note:

• This is the SAME exact manual used by your dealers to fix your vehicle.
• The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
• Any queries / doubts regarding your purchase, please feel free to contact [email protected]