Hitachi EX1200-7 Hydraulic Excavator Troubleshooting & Technical Manual PDF

Description

Hitachi EX1200-7 Hydraulic Excavator Troubleshooting & Technical Manual PT TTKAA90-EN-00 – PDF DOWNLOAD

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Hitachi EX1200-7 Hydraulic Excavator Troubleshooting & Technical Manual PT TTKAA90-EN-00 – PDF DOWNLOAD

Language :English
Pages :468
Downloadable : Yes
File Type : PDF

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DESCRIPRION:

Hitachi EX1200-7 Hydraulic Excavator Troubleshooting & Technical Manual PT TTKAA90-EN-00 – PDF DOWNLOAD

BACKHOE FRONT
SPECIFICATIONS

Service Manual consists of the following separate Part No.
Technical Manual (Operational Principle) : Vol. No.TOKAA90-EN
Technical Manual (Troubleshooting) : Vol. No.TTKAA90-EN
Workshop Manual : Vol. No.WKAA90-EN

INTRODUCTION

To The Reader

This manual is written for an experienced technician to provide PS information needed to maintain and repair this machine. The machine specification and description according to destination may be explained on this manual.  Be sure to thoroughly read this manual for correct product information and service procedures.

 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.

Manual Composition

• This manual consists the Technical Manual and the Workshop Manual.
• Information included in the Technical Manual: Technical information needed for redelivery and delivery, operation and activation of all devices and systems, 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 EX1200-7 Hydraulic Excavator Troubleshooting & Technical Manual PT TTKAA90-EN-00 – PDF DOWNLOAD

BACKHOE FRONT
SPECIFICATIONS

Service Manual consists of the following separate Part No.
Technical Manual (Operational Principle) : Vol. No.TOKAA90-EN
Technical Manual (Troubleshooting) : Vol. No.TTKAA90-EN
Workshop Manual : Vol. No.WKAA90-EN

TTKAA90-EN-00 1
INTRODUCTION 3
SYMBOL AND ABBREVIATION 5
SAFETY 7
SECTION AND GROUP CONTENTS 49
SECTION 4 OPERATIONAL PERFORMANCE TEST 51
Group 1 Introduction 53
Operational Performance Tests 53
Preparation for Performance Tests 54
Group 2 Standard 55
Operational Performance Standard Table 55
Main Pump P-Q Diagram 59
Fan Pump P-Q Diagram 60
Fan Pump I-Q Diagram 61
Sensor Activating Range 62
Group 3 Engine Test 63
Engine Speed 63
Group 4 Machine Performance Test 67
Travel Speed 67
Track Revolution Speed 68
Mistrack Check 69
Travel Parking Leakage 70
Swing Speed 71
Swing Function Drift Check 72
Swing Motor Leakage 74
Maximum Swingable Slant Angle 76
Swing Bearing Play 78
Hydraulic Cylinder Cycle Time 80
Cylinder Drift Check 82
Control Lever Operating Force 84
Control Lever Stroke 85
Combined Operation of Boom Raise and Swing Function Check 86
Group 5 Component Test 87
Primary Pilot Pressure 87
Secondary Pilot Pressure 89
4-Spool Solenoid Valve Set Pressure 90
2-Spool Solenoid Valve Set Pressure 91
Main Pump Delivery Pressure 94
Fan Pump Delivery Pressure 95
Main Relief Set Pressure 96
Relief Pressure (when relieving swing)100
Relief Pressure (when relieving travel)101
Overload Relief Valve Set Pressure102
Main Pump Flow Rate Measurement104
Fan Pump Flow Rate Measurement106
Swing Motor Drainage114
Travel Motor Drainage116
SECTION 5 TROUBLESHOOTING121
Group 1 Diagnosing Procedure123
Introduction123
Diagnosis Procedure124
Electrical System Inspection127
Precautions for Inspection and Maintenance128
Instructions for Disconnecting Connectors130
Fuse Inspection132
Slow Blow Fuse Inspection136
Battery Voltage Check137
Alternator Check138
Continuity Check139
Voltage and Current Measurement140
Check by False Signal150
Test Wire Harness151
Group 2 Monitor153
Outline153
Operating Procedures of Service Menu154
Setting Menu193
Inspection of Engine Oil Level, Coolant Level, Hour Meter, and Fuel Gauge198
Fuel Gauge, Coolant Temperature Gauge, DEF Gauge199
Group 3 Cross Reference Table201
Group 4 Component Layout209
Main Component209
Front Attachment210
Electrical System (Overview)211
Electrical System (In Cab)212
Electrical System (Switch Panel)213
Electrical System (Electrical Equipment Box)214
Electrical System (Rear Tray)215
Electrical System (Battery Box)216
Around Air Cleaner217
Around Engine Compartment217
Pressure Sensor (Main Control Valve 4-Spool Side)/Pressure Sensor (Main Control Valve 5-Spool Side)218
Around Pump Device219
Pump Device220
Control Valve221
Signal Control Valve222
Solenoid Valve223
Fan Valve (Oil Cooler, Radiator)223
Engine224
Around Oil Cooler225
Around Radiator225
Auto-Lubrication Device226
Swing Device and Pressure Sensors for Front Attachment227
Hydraulic Oil Tank228
Fuel Tank228
Sliding Fold-In Ladder229
Layout of Main Control Valve230
Layout of Swing Control Valve240
Pilot Ports of Signal Control Valve244
Group 5 Troubleshooting A248
Troubleshooting A (Base Machine Diagnosis by Using Fault Codes) Procedure248
MC1 Fault Code List250
ECM Fault Code List272
Monitor Controller (Monitor) Fault Code List273
Monitor Controller (Information) Fault Code List274
Air Conditioner Controller Fault Code List277
Communication Terminal Fault Code List278
MC1 Fault Codes 11000 to 11002280
MC1 Fault Code 11003281
MC1 Fault Codes 11006, 11007,11009283
Monitor Controller (Monitor) Fault Codes 13000, 13002, 13003, 13005283
CAN0 Harness Check284
MC1 Fault Codes 11008, 11010288
Monitor Controller (Monitor) Fault Codes 13001, 13004, 13006, 13007288
CAN1 Harness Check289
MC1 Fault Code 11101292
MC1 Fault Codes 11200, 11202, 11203293
MC1 Fault Codes 11969, 11992, 11994294
MC1 Fault Codes 11301 to 11303295
MC1 Fault Codes 11304, 11325296
MC1 Fault Codes 11995, 11997, 11998297
MC1 Fault Code 11942298
MC1 Fault Codes 11944, 11945299
MC1 Fault Codes 11405300
MC1 Fault Code 11412301
MC1 Fault Code 11428302
MC1 Fault Code 11436303
MC1 Fault Code 11935304
MC1 Fault Code 11948305
MC1 Fault Code 11949306
MC1 Fault Code 11950307
MC1 Fault Code 11951308
MC1 Fault Code 11981309
MC1 Fault Code 11982310
MC1 Fault Code 11989311
MC1 Fault Codes 11473, 11474, 11802312
MC1 Fault Code 11901313
MC1 Fault Codes 11967, 11985, 11986314
MC1 Fault Codes 20001, 20003, 20004, 20005, 20006, 20007, 20008315
MC1 Fault Codes 20009, 20011, 20027, 20062316
MC1 Fault Codes 20021 to 20026317
MC1 Fault Codes 20060, 20061318
Monitor Controller (Information) Fault Code 13304319
Monitor Controller (Information) Fault Code 13311320
Monitor Controller (Information) Fault Codes 20100 to 20107, 20114321
Monitor Controller (Information) Fault Codes 20110, 20113, 20141, 20142, 20145, 20146322
Air Conditioner Controller Fault Codes 11 to 22323
Air Conditioner Controller Fault Codes 43 to 92324
Group 6 Troubleshooting B326
Troubleshooting B (Machine Diagnosis by Using Trouble Symptom) Procedure326
Relationship between Machine Trouble Symptoms and Related Parts328
Correlation between Trouble Symptoms and Part Failures351
Engine System Troubleshooting369
All Actuator System Troubleshooting376
Front Attachment System Troubleshooting383
Swing System Troubleshooting395
Travel System Troubleshooting397
Other System Troubleshooting401
Exchange Inspection Method407
How to Lowering Boom When Emergency and When Engine Stops410
Group 7 Troubleshooting C412
Troubleshooting C Procedure412
Group 8 Air Conditioner420
Troubleshooting420
Electrical Circuit Diagram423
Air Conditioner Controller Fault Code List424
Air Conditioner Controller Fault Codes 11 to 22425
Air Conditioner Controller Fault Codes 43 to 92427
Work When Replacing Components of Air Conditioner449
Recover Refrigerant450
Refill Compressor Oil451
Charge Air Conditioner with Refrigerant452
Group 9 e-Service460
Outline460
List of Operation Data461
Communication System463
SERVICE MANUAL REVISION REQUEST FORM466
THE ATTACHED DIAGRAM LIST467

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