Hitachi EX1900-6 PERFORMANCE CHECK TROUBLESHOOTING Training Text Manual – PDF DOWNLOAD

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Hitachi EX1900-6 PERFORMANCE CHECK TROUBLESHOOTING Training Text Manual – PDF DOWNLOAD

FILE DETAILS:

Hitachi EX1900-6 PERFORMANCE CHECK TROUBLESHOOTING Training Text Manual – PDF DOWNLOAD

Language :English
Pages :229
Downloadable : Yes
File Type : PDF

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TABLE OF CONTENTS:

Hitachi EX1900-6 PERFORMANCE CHECK TROUBLESHOOTING Training Text Manual – PDF DOWNLOAD

MATERIALS TOP 1
PERFORMANCE CHECK & TROUBLESHOOTING 1
SECTION 4 OPERATIONAL PERFORMANCE TEST 2
Group 1 Introduction 4
Operational Performance Test 4
Preparation for Performance Tests 5
Group 2 Standard 6
Operational Performance Standard Table 6
Main Pump P-Q Diagram 10
Main Pump Pi-Q Diagram 10
Oil Cooler Fan Motor Drive PumpP-Q Diagram 11
Oil Cooler Fan Motor Drive PumpPi-Q Diagram 11
Electric Lever 12
Group 3 Engine Test 16
Engine Speed 16
Group 4 Excavator Test 18
Travel Speed 18
Track Revolution Speed 19
Mistrack 20
Travel Parking Leakage 21
Swing Speed 22
Swing Function Drift 23
Swing Motor Leakage 25
Maximum Swingable Slant Angle 26
Swing Bearing Play 27
Hydraulic Cylinder Cycle Time 29
Dig Function Drift Check 31
Control Lever Operating Force 33
Control Lever Stroke 34
Boom Raise/Swing Combined Operation Check 35
Group 5 Component Test 36
Primary Pilot Pressure Check 36
EHC Valve Secondary Pilot Pressure 37
DQR Valve Secondary Pilot Pressure 39
Main Relief Pressure, Relief Pressure 41
Overload Relief Valve Set Pressure 45
Main Pump Flow Rate Measurement 47
Oil Cooler Fan Motor Drive Pump Flow Rate Measurement 55
Swing Motor Drainage 63
Travel Motor Drainage 65
SECTION 5 TROUBLESHOOTING 68
Group 1 General 70
Introduction 70
Diagnosing Procedure 71
Starting Check Indication 73
Alarm Indication 75
Fault Diagnosis Indication 77
Automatic Snapshot Indication 79
Monitor And Manual Snapshot Indication 81
Recorded Data 83
Maintenance History Display 85
Life Data Display 87
Machine Information Indication 89
Various Setup Indication 91
Maintenance Setup 93
Group 2 Cross Reference Table 98
Electrical Circuit Diagram (1/3) 98
Electrical Circuit Diagram (2/3)100
Electrical Circuit Diagram (3/3)104
Hydraulic Circuit106
Group 3 Component Layout110
Main Components (Overview)110
Around Pump112
Pilot Panel (Operation Circuit)113
Pilot Panel (Back of Control Valve)114
Undercarriage115
Fast-Filling Panel116
Electrical System (Overview)117
Engine129
Around Radiator130
Water Tank131
Air Cleaner131
Oil Cooler132
Around Pump133
Swing Device134
Control Valve135
Travel Device138
Center Joint138
EHC Valve (Main Pump Control)139
EHC Valve (Electric Lever Control)140
Sliding Fold-In Ladder141
Auto-Lubrication Device142
Group 4 Troubleshooting A144
Troubleshooting A Procedure144
Fault Diagnosis Indication145
Fault Code List147
Group 5 Troubleshooting B158
Troubleshooting B Procedure158
How to Read Fault Codes159
Fault Code for Engine161
Group 6 Troubleshooting C186
Troubleshooting C Procudure186
Diagnosis by blinking of Indicator199
Group 7 Electrical System Inspection204
Precautions for Inspection and Maintenance204
Instructions for Disconnecting Connectors206
Battery Voltage Check207
Fusible Link Inspection209
Fuse Inspection211
Alternator Check218
Voltage Check219
Check by False Signal227
Continuity Check228
Circuit Check by Lamp Harness229

S.M 28/01/25