Hitachi Excavator EX75UR-5 EX75US-5 Technical Manual (Troubleshooting) TT197E-00

Description

Contents:
INTRODUCTION
SAFETY
SECTION 4 OPERATIONAL PERFORMANCE TEST

GROUP 1 Introduction​

OPERATIONAL PERFORMANCE TESTS​

PREPARATION FOR PERFORMANCE TESTS​

GROUP 2 Standard​

OPERATIONAL PERFORMANCE STANDARD TABLE​

MAIN PUMP P-Q DIAGRAM​

SENSOR ACTIVATING RANGE​

GROUP 3 Engine Test​

ENGINE SPEED​

ENGINE COMPRESSION PRESSURE​

VALVE CLEARANCE​

NOZZLE CHECK​

INJECTION TIMING​

GROUP 4 Excavator Test​

TRAVEL SPEED​

TRACK REVOLUTION SPEED​

MISTRACK CHECK​

TRAVEL MOTOR LEAKAGE​

SWING SPEED​

SWING FUNCTION DRIFT CHECK​

SWING MOTOR LEAKAGE​

MAXIMUM SWINGABLE SLANT ANGLE​

SWING BEARING PLAY​

HYDRAULIC CYLINDER CYCLE TIME​

DIG FUNCTION DRIFT CHECK​

CONTROL LEVER OPERATING FORCE​

CONTROL LEVER STROKE​

BOOM RAISE/SWING COMBINED OPERATION CHECK​

GROUP 5 Component Test​

PRIMARY PILOT PRESSURE​

SECONDARY PILOT PRESSURE​

MAIN RELIEF VALVE SET PRESSURE​

OVERLOAD RELIEF VALVE SET PRESSURE​

MAIN PUMP FLOW RATE MEASUREMENT​

SWING MOTOR DRAINAGE​

TRAVEL MOTOR DRAINAGE​

GROUP 6 Adjustment​

ENGINE SPEED ADJUSTMENT AND ENGINE LEARNING​

BOOM LOWERING METHOD WHEN ENGINE STALLING​

CHECK OF GOVERNOR LEVER AND FUEL CUT LEVER POSITION​

ASSEMBLY AND ADJUSTMENT OF LINK FOR ARM ANGLE SENSOR (EX75UR-5)​

INITIAL SETTING OF THE ANGLE SENSOR (EX75UR-5)​

INITIALIZING THE DEPTH LIMIT CONTROL SYSTEM (EX75UR-5)​SECTION 5 TROUBLESHOOTING

GROUP 1 General​

INTRODUCTION​

DIAGNOSTIC PROCEDURES​

Dr.EX OPERATION​

MAIN CONTROLLER FAULT CODE LIST​

AUTO-MARCCINO CONTROL UNIT FAULT CODE LIST (EX75UR-5)​

MAIN CONTROLLER MONITORING FUNCTION​

AUTO-MARCCINO CONTROL UNIT MONI-TORING FUNCTION (EX75UR-5)​

Dr.EX SPECIAL FUNCTION (Service Mode) (EX75UR-5)​

GROUP 2 Component Layout​

MAIN COMPONENTS​

ELECTRICAL SYSTEM (OVERVIEW)​

ELECTRICAL SYSTEM (Monitor and Switches)​

PUMP DEVICE​

SWING DEVICE​

TRAVEL DEVICE​

COMPONENT IN CONTROL VALVE​

GROUP 3 Troubleshooting A​

TROUBLESHOOTING A PROCEDURE​

FAULT CODE 01​

FAULT CODE 07​

GROUP 4 Troubleshooting B​

TROUBLESHOOTING B PROCEDURE​

RELATIONSHIP BETWEEN MACHINE SYMPTOMS AND PROBLEM PARTS​

CORRELATION BETWEEN TROUBLE SYMPTOMS AND PART FAILURES​

ENGINE SYSTEM TROUBLESHOOTING​

ALL ACTUATOR SYSTEM TROUBLESHOOTING​

FRONT ATTACHMENT SYSTEM TROUBLESHOOTING​

SWING SYSTEM TROUBLESHOOTING​

TRAVEL SYSTEM TROUBLESHOOTING​

BLADE SYSTEM TROUBLESHOOTING​

GROUP 5 Troubleshooting C​

TROUBLESHOOTING C PROCEDURE (Troubleshooting for Monitor)​

MALFUNCTION OF COOLANT TEMPERATURE GAUGE​

MALFUNCTION OF FUEL GAUGE​

MALFUNCTION OF INDICATOR LIGHT CHECK SYSTEM​

MALFUNCTION OF ALTERNATOR INDICATOR​

MALFUNCTION OF ENGINE OIL PRESSURE INDICATOR​

MALFUNCTION OF OVERHEAT INDICATOR​

MALFUNCTION OF FUEL LEVEL INDICATOR​

MALFUNCTION OF AIR FILTER RESTRICTION INDICATOR​

MALFUNTION OF BUZZER​

MALFUNCTION OF HOUR METER​

GROUP 6 Troubleshooting D​

TROUBLESHOOTING D PROCEDURE (EX75UR-5)​

AUTO-MARCCINO CONTROL UNIT FAULT CODE LIST​

FAULT CODE 03​

FAULT CODE 05, 06​

FAULT CODE 07, 08​

FAULT CODE 09​

FAULT CODE 11, 12, 13, 17​

FAULT CODE 14, 15, 16, 19, 20, 21, 22​

FAULT CODE 24​

FAULT CODE 40, 41​

FAULT CODE 43, 45, 47, 48​

FAULT CODE 50, 51, 52, 53​

FAULT CODE 60, 61, 62, 63​

FAULT CODE 80, 81, 82, 83​

FAULT CODE 90​

FAULT CODE 91​

GROUP 7 Electrical System Inspection​

PRECAUTIONS FOR INSPECTION AND MAINTENANCE​

INSTRUCTIONS FOR DISCONNECTING CONNECTORS​

FUSE CONTINUITY TEST​

FUSIBLE LINK INSPECTION​

BATTERY VOLTAGE CHECK​

HOW TO TROUBLESHOOTING ALTERNATOR MALFUNCTIONS​

CONTINUITY CHECK​

VOLTAGE AND CURRENT CHECK​

CHECK BY FALSE SIGNAL​

TEST HARNESS​THE ATTACHED DIAGRAM LIST

EX75UR- HYDRAULIC CIRCUIT DIAGRAM​

EX75US- HYDRAULIC CIRCUIT DIAGRAM​

EX75UR-5 ELECTRICAL CIRCUIT DIAGRAM​

EX75US-5 ELECTRICAL CIRCUIT DIAGRAM​

EX75UR-5 CONNECTORS​

EX75US-5 CONNECTORS​

EX75UR-5 ENGINE HARNESS​

EX75US-5 ENGINE HARNESS​

EX75UR-5 CAB HARNESS​

EX75US-5 CAB HARNESS​