Hitachi Ex1200-5D Excavator Technical Operational Principle Manual (TO18F-E-00) – PDF Download

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Hitachi Ex1200-5D Excavator Technical Operational Principle Manual (TO18F-E-00)

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Hitachi Ex1200-5D Excavator Technical Operational Principle Manual (TO18F-E-00)

• Manual Language:English
• Pages: 244
• Size: 5.51 MB
• Downloadable:Yes
• Format:PDF

HITACHI EX1200-5D EXCAVATOR TECHNICAL OPERATIONAL PRINCIPLE MANUAL (TO18F-E-00) – PDF DOWNLOAD:

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Description:

Hitachi Ex1200-5D Excavator Technical Operational Principle Manual (TO18F-E-00)

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 product information and service procedures.
• If you have any questions or comments, at if you found any errors regarding the contents of this manual, please contact using “Service Manual Revision Request Form” at the end of this manual
ADDITIONAL REFERENCES
• Please refer to the materials listed below in addition to this manual.
• The Operator’s Manual
• The Parts Catalog
• Operation Manual of the Engine
• Parts Catalog of the Engine
• Hitachi Training Material
MANUAL COMPOSITION
• This manual consists of three portions: the Technical Manual (Operational Principle), the Technical Manual (Troubleshooting) and the Workshop Manual.
• Information included in the Technical Manual (Operational Principle): technical information needed for redelivery and delivery, operation and activation of all devices and systems.
• Information included in the Technical Manual (Troubleshooting): technical information needed for operational performance tests, and troubleshooting procedures.
• Information included in the Workshop Manual: technical information needed for maintenance and repair of the machine, tools and devices needed for maintenance and repair, maintenance standards, and removal/installation and assemble/ disassemble procedures.

Table Of Contents:

Hitachi Ex1200-5D Excavator Technical Operational Principle Manual (TO18F-E-00)

COVER.....................................................................................  1
INTRODUCTION..............................................................................  3
CONTENTS..................................................................................  7
SECTION 1 GENERAL.........................................................................  9
	Specifications........................................................................ 11
		SPECIFICATIONS.................................................................... 11
		WORKING RANGE (BACKHOE)........................................................... 13
		WORKING RANGE (BE BACKHOE)........................................................ 14
		WORKING RANGE (LOADING SHOVEL).................................................... 15
		ENGINE............................................................................ 16
		ENGINE ACCESSORIES................................................................ 19
		HYDRAULIC DEVICES................................................................. 19
		ELECTRICAL EQUIPMENT.............................................................. 22
	Component Layout...................................................................... 25
		MAIN COMPONENTS................................................................... 25
		ELECTRICAL SYSTEM COMPONENTS (1).................................................. 26
		ELECTRICAL SYSTEM COMPONENTS (2).................................................. 27
		ELECTRICAL SYSTEM COMPONENTS (3).................................................. 32
		ELECTRICAL SYSTEM COMPONENTS (4).................................................. 33
		ON AND AROUND PUMPS............................................................... 34
		OTHERS............................................................................ 35
SECTION 2 SYSTEM.......................................................................... 39
	Control System........................................................................ 41
		OUTLINE........................................................................... 41
		ENGINE CONTROL.................................................................... 42
		PUMP CONTROL...................................................................... 52
		VALVE CONTROL..................................................................... 56
		OIL COOLER AND FUEL COOLER FAN MOTOR CONTROL...................................... 64
		AUTO-LUBRICATION CONTROL.......................................................... 66
	Hydraulic System...................................................................... 69
		OUTLINE........................................................................... 69
		PILOT CIRCUIT..................................................................... 70
		MAIN CIRCUIT...................................................................... 88
		PUMP TRANSMISSION OIL COOLING CIRCUIT.............................................116
		OIL COOLER FAN MOTOR CIRCUIT......................................................116
	Electrical System.....................................................................117
		OUTLINE...........................................................................117
		POWER SOURCE CIRCUIT..............................................................118
		BULB CHECK CIRCUIT................................................................119
		ENGINE START CIRCUIT..............................................................120
		CHARGING CIRCUIT..................................................................122
		ACCESSORY CIRCUIT.................................................................124
		SURGE VOLTAGE PREVENTION CIRCUIT..................................................126
SECTION 3 COMPONENT OPERATION.............................................................131
	Pump Device...........................................................................133
		OUTLINE...........................................................................133
		MAIN PUMP, OIL COOLER FAN MOTOR DRIVE PUMP........................................134
		REGULATORS........................................................................137
		3-UNIT PUMP.......................................................................158
	Swing Device..........................................................................159
		OUTLINE...........................................................................159
		SWING MOTOR.......................................................................160
		VALVE UNIT........................................................................162
		SWING PARKING BRAKE...............................................................164
		SWING REDUCTION GEAR..............................................................165
	Control Valve.........................................................................167
		OUTLINE...........................................................................167
		HYDRAULIC CIRCUIT.................................................................176
		FLOW COMBINER VALVE...............................................................178
		MAIN RELIEF VALVE.................................................................180
		OVERLOAD RELIEF VALVE.............................................................181
		MAKE-UP VALVE.....................................................................181
		HOLDING VALVE.....................................................................182
		ARM REGENERATIVE VALVE............................................................184
		BOOM OVERLOAD RELIEF PRESSURE SWITCH VALVE........................................186
	Pilot Valve...........................................................................189
		OUTLINE...........................................................................189
		OPERATION.........................................................................190
	Travel Device.........................................................................197
		OUTLINE...........................................................................197
		TRAVEL REDUCTION GEAR.............................................................198
		TRAVEL MOTOR......................................................................199
		TRAVEL BRAKE VALVE................................................................201
		TRAVEL MOTOR DISPLACEMENT ANGLE CHANGE............................................206
		PARKING BRAKE.....................................................................208
	Signal Control Valve..................................................................211
		OUTLINE...........................................................................211
		PILOT PORT........................................................................212
		SHUTTLE VALVE.....................................................................216
		SHOCKLESS VALVE...................................................................220
		PUMP 1 AND 2 FLOW RATE CONTROL VALVE..............................................224
		ARM FLOW RATE CONTROL VALVE, FLOW COMBINER VALVE CONTROL SPOOL, PRIORITY VALVE....226
	Others (Upperstructure)...............................................................227
		PILOT SHUT-OFF VALVE..............................................................227
		SHOCKLESS VALVE...................................................................228
		SOLENOID VALVE....................................................................232
		OIL COOLER FAN MOTOR..............................................................234
		ACCUMULATOR.......................................................................235
		AUTO-LUBRICATION SYSTEM...........................................................236
	Others (Undercarriage)................................................................237
		SWING BEARING.....................................................................237
		CENTER JOINT......................................................................238
		TRACK ADJUSTER....................................................................239
SERVICE MANUAL REVISION REQUEST FORM......................................................243

Please Note:

⦁ This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
⦁ You will be directed to the download page as soon as the purchase is completed. The whole payment and downloading process will take anywhere between 2-5 minutes
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