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Fiat Hitachi Excavator EX285 Troubleshooting Technical Manual – PDF DOWNLOAD
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Description
Fiat Hitachi Excavator EX285 Troubleshooting Technical Manual – PDF DOWNLOAD
FILE DETAILS:
Fiat Hitachi Excavator EX285 Troubleshooting Technical Manual – PDF DOWNLOAD
Language : English
Pages : 223
Downloadable : Yes
File Type : PDF
DESCRIPTION:
Fiat Hitachi Excavator EX285 Troubleshooting Technical Manual – PDF DOWNLOAD
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 information concerning the service procedures.
- – If you have any questions or comments, or if you found any errors regarding the contents of this manual, please contact:
SAFETY PRECAUTIONS
RECOGNISE SAFETY INFORMATION
• This is your SAFETY ALERT SYMBOL.
– When you see this symbol on your machine or in this Manual, be alert of the potential for personal
injury.
– Follow recommended precautions and safe operating practices.
SAFETY PRECAUTIONS
FOLLOW SAFETY PRECAUTIONS
• Carefully read and observe all safety signs on the machine and read all safety precautions in this Manual.
• Safety signs should be installed, maintained, and replaced when necessary
– If a safety sign or this Manual are damaged or missing, obtain a replacement from your FIATHITACHI Dealer in the same way you order a spare part (be sure to detail machine model and serial number upon ordering).
• Learn how to operate the machine and its controls correctly and safely.
• Allow only trained, qualified, authorised personnel to operate the machine.
• Keep the machine in proper working conditions.
– Unauthorised changes to the machine may impair function and/or safety and affect machine life.
Safety messages in this Chapter “SAFETY PRECAUTIONS”, are intended to illustrate basic safety procedures of the machine. However, it is impossible for these safety messages to cover every hazardous situation you may encounter. If you have any doubts, consult your direct supervisor prior to operating or servicing the machine
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
Fiat Hitachi Excavator EX285 Troubleshooting Technical Manual – PDF DOWNLOAD
EX285 EXCAVATOR............................................................... 1 INTRODUCTION.................................................................. 2 SAFETY PRECAUTIONS............................................................ 4 TROUBLESHOOTING............................................................... 28 OPERATIONAL PERFORMANCE................................................... 29 OPERATIONAL PERFORMANCE TEST.......................................... 30 PREPARATION FOR PERFORMANCE TESTS..................................... 31 OPERATIONAL PERFORMANCE STANDARD TABLES............................... 32 MAIN PUMP P-Q DIAGRAM................................................. 36 ENGINE SPEED.......................................................... 38 TRAVEL SPEED.......................................................... 40 TRACK REVOLUTION SPEED................................................ 41 MISTRACK CHECK........................................................ 42 TRAVEL PARKING FUNCTION CHECK......................................... 43 SWING SPEED........................................................... 44 SWING FUNCTION DRIFT CHECK............................................ 45 SWING MOTOR LEAKAGE................................................... 46 SWING BEARING PLAY.................................................... 47 MAXIMUM SWINGABLE SLANT ANGLE......................................... 48 HYDRAULIC CYLINDER CYCLE TIME......................................... 49 DIG FUNCTION DRIFT CHECK.............................................. 51 CONTROL LEVER OPERATING FORCE......................................... 52 CONTROL LEVER STROKE.................................................. 53 COMBINED BOOM RAISE/SWING FUNCTION CHECK.............................. 54 PRIMARY PILOT PRESSURE................................................ 56 SECONDARY PILOT PRESSURE.............................................. 58 SOLENOID VALVE SET PRESSURE........................................... 59 MAIN PUMP DELIVERY PRESSURE........................................... 61 MAIN RELIEF VALVE SET PRESSURE........................................ 62 OVERLOAD RELIEF VALVE SET PRESSURE.................................... 66 MAIN PUMP FLOW TEST................................................... 69 SWING MOTOR DRAINAGE.................................................. 73 TRAVEL MOTOR DRAINAGE................................................. 75 TROUBLESHOOTING........................................................... 78 INTRODUCTION.......................................................... 80 DIAGNOSING PROCEDURE.................................................. 81 Dr.EX................................................................. 83 Dr.EX START-UP PROCEDURE.............................................. 83 Dr.EX FAULT CODE...................................................... 84 Dr.EX MONITORING FUNCTION............................................. 85 Dr.EX SPECIAL FUNCTION................................................ 86 ADJUSTABLE DATA LIST.................................................. 93 MAIN COMPONENTS....................................................... 94 ELECTRICAL SYSTEM..................................................... 95 ELECTRICAL SYSTEM..................................................... 96 ELECTRICAL SYSTEM..................................................... 97 PUMP AND RELATED PARTS................................................ 98 CONTROL VALVE......................................................... 99 OTHER COMPONENTS......................................................103 TROUBLESHOOTING A PROCEDURE...........................................104 FAULT CODES...........................................................105 FAULT CODE 01.........................................................107 FAULT CODE 02.........................................................108 FAULT CODE 03.........................................................108 FAULT CODE 04.........................................................109 FAULT CODE 05.........................................................109 FAULT CODE 06.........................................................110 FAULT CODE 07.........................................................111 SENSOR OPERATING RANGE LIST...........................................112 TROUBLESHOOTING B PROCEDURE...........................................114 RELATIONSHIP BETWEEN MACHINE TROUBLE SYMPTOMS AND PARTS IN TROUBLE....115 CORRELATION BETWEEN TROUBLE SYMPTOMS AND PART FAILURES................125 ENGINE TROUBLESHOOTING................................................131 ACTUATOR CONTROL SYSTEM TROUBLESHOOTING...............................145 FRONT ATTACHMENT CONTROL SYSTEM TROUBLESHOOTING.......................151 SWING SYSTEM TROUBLESHOOTING..........................................163 TRAVEL SYSTEM TROUBLESHOOTING.........................................166 TROUBLESHOOTING FOR OTHER FUNCTIONS...................................171 ENGINE SPEED ADJUSTMENT AND ENGINE LEARNING...........................173 EXCHANGE INSPECTION METHOD............................................174 TROUBLESHOOTING C.....................................................176 MALFUNCTION OF COOLANT TEMPERATURE GAUGE..............................177 MALFUNCTION FUEL GAUGE................................................179 MALFUNCTION OF FUEL LEVEL INDICATOR...................................181 MALFUNCTION OF INDICATOR LIGHT CHECK SYSTEM...........................183 MALFUNCTION OF ENGINE OIL LEVEL INDICATOR.............................185 MALFUNCTION OF COOLANT LEVEL INDICATOR................................187 MALFUNCTION OF HYDRAULIC OIL LEVEL INDICATOR..........................189 MALFUNCTION OF ALTERNATOR INDICATOR...................................191 MALFUNCTION OF ENGINE OIL PRESSURE INDICATOR..........................193 MALFUNCTION OF OVERHEAT INDICATOR.....................................195 MALFUNCTION OF AIR FILTER RESTRICTION INDICATOR.......................197 MALFUNCTION OF BUZZER.................................................199 MALFUNCTION OF HOUR METER.............................................201 PRECAUTIONS FOR INSPECTION AND MAINTENANCE............................202 INSTRUCTIONS FOR DISCONNECTING CONNECTORS.............................204 FUSE CONTINUITY TEST..................................................205 INSPECTION AND REPLACEMENT OF MAXI FUSIBLE LINKS......................206 INSPECTION AND REPLACEMENT OF MEGA FUSIBLE............................207 BATTERY VOLTAGE CHECK.................................................208 HOW TO TROUBLESHOOT ALTERNATOR MALFUNCTIONS...........................209 CONTINUITY CHECK......................................................210 VOLTAGE AND CURRENT CHECK.............................................211 REPLACEMENT OF RELAY..................................................215 REPLACEMENT OF DIODE..................................................217 REPLACEMENT OF POWER OUTLET...........................................219 CIRCUIT CHECK.........................................................220
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