Hitachi ZX135US 6 Hydraulic Excavator Technical Operational Principle Manual – PDF DOWNLOAD

Description

Hitachi ZX135US 6 Hydraulic Excavator Technical Operational Principle Manual

File details:

Hitachi ZX135US 6 Hydraulic Excavator Technical Operational Principle Manual

Language : English
Pages : 463
Size : 14.9 MB
Downloadable : Yes
Format : PDF
Part No : TODAS50-EN-00

HITACHI ZX135US 6 HYDRAULIC EXCAVATOR TECHNICAL OPERATIONAL PRINCIPLE MANUAL – PDF DOWNLOAD:

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Table of Contents:

Hitachi ZX135US 6 Hydraulic Excavator Technical Operational Principle Manual

TODAS50-EN-00..................................................................................................................................................................  1
	CONTENTS
..................................................................................................................................................................  3
	INTRODUCTION...............................................................................................................................................................  9
		To The Reader..........................................................................................................................................................  9
		Additional References..................................................................................................................................................  9
		Manual Composition.....................................................................................................................................................  9
		Page Number............................................................................................................................................................  9
		Trademark..............................................................................................................................................................  9
		Safety Alert Symbol and Headline Notations............................................................................................................................. 10
		Units Used............................................................................................................................................................. 10
	SYMBOL AND ABBREVIATION.................................................................................................................................................... 11
	SECTION AND GROUP CONTENTS................................................................................................................................................. 13
	SECTION 1 GENERAL.......................................................................................................................................................... 15
		Group 1 Specifications................................................................................................................................................. 17
			Specifications..................................................................................................................................................... 17
			Working Ranges (Grouser shoe)...................................................................................................................................... 20
		Group 2 Component Layout............................................................................................................................................... 23
			Main Component..................................................................................................................................................... 23
			Electrical System (Overview)....................................................................................................................................... 27
			Electrical System (Rear Tray)...................................................................................................................................... 28
			Electrical System (Switch Panel)................................................................................................................................... 29
			Electrical System (Around Air Cleaner)............................................................................................................................. 30
			Electrical System (Relays)......................................................................................................................................... 31
			Engine............................................................................................................................................................. 32
			Aftertreatment Device.............................................................................................................................................. 33
			Aftertreatment Device.............................................................................................................................................. 34
			Pump Device........................................................................................................................................................ 35
			Around Pump Device................................................................................................................................................. 36
			Control Valve...................................................................................................................................................... 37
			Signal Control Valve............................................................................................................................................... 37
			Swing Device....................................................................................................................................................... 39
			Travel Device...................................................................................................................................................... 39
			4-Spool Solenoid Valve Unit........................................................................................................................................ 40
			Maximum Pump 1 Flow Rate Limit Control Solenoid Valve.............................................................................................................. 40
			2-Spool Solenoid Valve Unit (Aftertreatment Device Regeneration Control)........................................................................................... 40
			DEF Tank........................................................................................................................................................... 41
			DEF Supply Module.................................................................................................................................................. 41
			Layout of Attachment Spec. Parts................................................................................................................................... 43
		Group 3 Component Specifications....................................................................................................................................... 47
			Engine............................................................................................................................................................. 47
			Engine Accessories................................................................................................................................................. 51
			Hydraulic Component................................................................................................................................................ 52
			Electrical Component............................................................................................................................................... 56
			Optional Parts..................................................................................................................................................... 57
	SECTION 2 SYSTEM........................................................................................................................................................... 63
		Group 1 Controller..................................................................................................................................................... 65
			Outline............................................................................................................................................................ 65
			CAN Circuit........................................................................................................................................................ 66
		Group 2 Control System................................................................................................................................................. 69
			Outline............................................................................................................................................................ 69
			Engine Control..................................................................................................................................................... 72
			Pump Control.......................................................................................................................................................102
			Valve Control (Standard)...........................................................................................................................................120
			Valve Control (Option).............................................................................................................................................138
			Other Control......................................................................................................................................................148
		Group 3 Engine System..................................................................................................................................................159
			ECM System.........................................................................................................................................................159
			Fuel Injection Control.............................................................................................................................................160
			Fuel Injection Amount Correction Control...........................................................................................................................168
			EGR Control........................................................................................................................................................170
			Preheating Control.................................................................................................................................................172
			Variable Turbocharger Control......................................................................................................................................173
			Alarm Control......................................................................................................................................................174
			Urea SCR System....................................................................................................................................................175
			Engine Output Restriction Control (INDUCEMENT).....................................................................................................................186
			Aftertreatment Device..............................................................................................................................................190
			Aftertreatment Device Regeneration Control.........................................................................................................................194
		Group 4 Hydraulic System...............................................................................................................................................197
			Outline............................................................................................................................................................197
			Pilot Circuit......................................................................................................................................................198
			Main Circuit.......................................................................................................................................................210
			Blade/Breaker/Pulverizer/Crusher Circuit (Option)..................................................................................................................228
			Outline (2-Piece Boom).............................................................................................................................................237
			Pilot Circuit (2-Piece Boom).......................................................................................................................................238
			Main Circuit (2-Piece Boom)........................................................................................................................................242
		Group 5 Electrical System..............................................................................................................................................247
			Outline............................................................................................................................................................247
			Main Circuit.......................................................................................................................................................248
			Electric Power Circuit (Key Switch: OFF)...........................................................................................................................250
			CAN Circuit........................................................................................................................................................252
			Accessory Related Circuit (Key Switch: ACC)........................................................................................................................254
			Starting Circuit (Key Switch: START)...............................................................................................................................256
			Charging Circuit (Key Switch: ON)..................................................................................................................................258
			Surge Voltage Prevention Circuit...................................................................................................................................262
			Pilot Shut-Off Circuit (Key Switch: ON)............................................................................................................................264
			Auto Shut-Down Circuit/Automatic Engine Stop Circuit at Low Temperature............................................................................................266
			Engine Stop Circuit................................................................................................................................................268
			Monitor Circuit....................................................................................................................................................271
			Security Circuit...................................................................................................................................................272
			Radio Circuit......................................................................................................................................................274
			Air Conditioner Circuit............................................................................................................................................274
			Accessory Circuit..................................................................................................................................................277
			Work Light Circuit.................................................................................................................................................278
			Wiper/Washer Circuit...............................................................................................................................................280
			Cab Light Circuit..................................................................................................................................................282
	SECTION 3 COMPONENT OPERATION..............................................................................................................................................287
		Group 1 Pump Device....................................................................................................................................................289
			Outline............................................................................................................................................................289
			Main Pump..........................................................................................................................................................290
			Regulator..........................................................................................................................................................292
			Solenoid Valve.....................................................................................................................................................310
			Pilot Pump, Blade Pump (Option)....................................................................................................................................312
			Pump Delivery Pressure Sensor......................................................................................................................................312
			Pump Control Pressure Sensor.......................................................................................................................................312
		Group 2 Swing Device...................................................................................................................................................313
			Outline............................................................................................................................................................313
			Swing Reduction Gear...............................................................................................................................................314
			Swing Motor........................................................................................................................................................315
			Swing Parking Brake................................................................................................................................................316
			Valve Unit.........................................................................................................................................................318
		Group 3 Control Valve..................................................................................................................................................321
			Outline............................................................................................................................................................321
			Hydraulic Circuit..................................................................................................................................................340
			Flow Combiner Valve................................................................................................................................................346
			Main Relief Valve..................................................................................................................................................348
			Overload Relief Valve (with Make-Up Function)......................................................................................................................352
			Regenerative Valve.................................................................................................................................................356
			Anti-Drift Valve...................................................................................................................................................364
			Flow Rate Control Valve............................................................................................................................................368
			Digging Regenerative Valve.........................................................................................................................................372
			Boom Lower Meter-In Cut Valve......................................................................................................................................374
			Auxiliary Flow Combiner Valve and Bypass Shut-Out Valve............................................................................................................376
			Blade Control Valve (Option), Positioning Control Valve (Option)...................................................................................................380
			2-Piece Boom (Option)..............................................................................................................................................382
			Blade Circuit (Option).............................................................................................................................................386
		Group 4 Pilot Valve....................................................................................................................................................389
			Outline............................................................................................................................................................389
			Operation (Front Attachment/Swing and Travel Pilot Valves).........................................................................................................391
			Operation (Auxiliary, Blade, Positioning Pilot Valves).............................................................................................................399
			Shockless Function (Only for Travel Pilot Valve)...................................................................................................................404
		Group 5 Travel Device..................................................................................................................................................405
			Outline............................................................................................................................................................405
			Travel Reduction Gear..............................................................................................................................................406
			Travel Motor.......................................................................................................................................................408
			Parking Brake......................................................................................................................................................410
			Travel Brake Valve.................................................................................................................................................412
			Overload Relief Valve..............................................................................................................................................416
			Travel Mode Control................................................................................................................................................418
		Group 6 Signal Control Valve...........................................................................................................................................423
			Outline............................................................................................................................................................423
			Pilot Port.........................................................................................................................................................424
			Shuttle Valve......................................................................................................................................................429
			Shockless Valve....................................................................................................................................................432
			Pump 1 Flow Rate Control Valve, Pump 2 Flow Rate Control Valve.....................................................................................................436
			Bucket Flow Rate Control Valve Control Spool, Flow Combiner Valve Control Spool, Swing Parking Brake Release Spool, Arm 1 Flow Rate Control Valve Control Spool....438
		Group 7 Others (Upperstructure)........................................................................................................................................441
			Pilot Shut-Off Solenoid Valve......................................................................................................................................441
			Solenoid Valve.....................................................................................................................................................443
			Hose Rupture Valve.................................................................................................................................................448
			Pilot Relief Valve.................................................................................................................................................454
			Recirculation Valve (Option).......................................................................................................................................455
		Group 8 Others (Undercarriage).........................................................................................................................................457
			Swing Bearing......................................................................................................................................................457
			Centerjoint........................................................................................................................................................458
			Track Adjuster.....................................................................................................................................................460
	SERVICE MANUAL REVISION REQUEST FORM.......................................................................................................................................463

Description:

Hitachi ZX135US 6 Hydraulic Excavator Technical Operational Principle Manual

INTRODUCTION:

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
• The Engine Manual
• 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.

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]