OPERATOR'S MANUAL
Table Of Contents
- OPS - Excavator KX057-4, U55-4 (RD358-8131-6)
- ABBREVIATION LIST
- GENERAL SYMBOLS
- FOREWORD
- SAFETY FIRST
- CONTENTS PAGE
- SAFE OPERATION
- DEALER SERVICE
- TECHNICAL DATA
- DESCRIPTION OF MACHINE PARTS
- INSTRUMENT PANEL AND CONTROL ELEMENTS
- CHECKS BEFORE START
- DAILY CHECKS
- CHECKING THE DEVICES
- B Starter Switch
- B Display Selector Switch
- B LCD Display for Normal Operation
- B Warning Lamp
- B LCD Display for Warning
- B Setting the Clock
- B Reordering the year/month/day and Changing the AM/PM System to the 24- hour One
- B Log Record
- B Periodic Check
- B If All the Check Points are not Displayed at a Glance on a Single Screen
- B When the Check-up is Completed
- B Horn Switch
- B Working Light Switch
- B AUX Port Flow Rate Limit Switch
- B Auto Idle Switch
- B Throttle Potentiometer
- B Travel Speed Switch
- CAB TYPE MACHINES
- AIR CONDITIONER
- HANDLING THE SAFETY DEVICES
- OPERATION OF THE ENGINE
- EXCAVATOR OPERATION
- RUNNING-IN OF THE NEW EXCAVATOR
- STARTING
- DRIVING
- TURNS
- UP AND DOWNHILL DRIVING
- PARKING ON A SLOPE
- OPERATION OF THE DOZER
- TWO PATTERN SELECTION SYSTEM(TPSS)
- OPERATION OF THE BOOM
- OPERATION OF THE ARM
- OPERATION OF THE BUCKET
- UNIT SWING AND BOOM SWING OPERATION
- AUXILIARY PORT OPERATION
- HOW TO RELEASE PRESSURE TRAPPED IN THE HYDRAULIC SYSTEM
- 1-way or 2-way CIRCUIT SELECTION VALVE OPERATION
- AUTO IDLE (AI) OPERATION
- IMPORTANT INFORMATION ON EXCAVATOR OPERATION
- TRANSPORTING THE EXCAVATOR ON A VEHICLE
- LIFTING OF THE EXCAVATOR
- MAINTENANCE
- MAINTENANCE INTERVALS
- OPENING AND CLOSING OF COVERS
- DAILY CHECKS
- B Checking Coolant Level
- B Checking Fuel Level
- B Checking Engine Oil Level
- B Checking Hydraulic Oil Level
- B Checking V-belt
- B Checking Radiator and Oil Cooler
- B Checking Washer Liquid
- B Cleaning Pre-Cleaner
- B Checking and Cleaning Engine and Electrical Wiring
- B Greasing Boom Swing Fulcrum
- B Washing Whole Machine
- B Greasing Front Attachments (without Bucket Pin and Boom Swing Fulcrum)
- B Greasing Bucket Pin and Bucket Link Pin
- REGULAR CHECKS AND MAINTENANCE WORK
- OTHER ADJUSTMENTS AND REPLACEMENTS
- TROUBLESHOOTING
- OPERATION UNDER COLD WEATHER CONDITIONS
- LONG STORAGE
- RECOMMENDED OILS
- APPENDICES
- LIFTING CAPACITY
- LIST OF SCREENS
86 TROUBLESHOOTING
Engine
Water
temperature
in red zone
(Overheating)
Cylinder head gasket is
damaged (Coolant loss).
* Replace.
Engine oil level too low * Fill to prescribed level.
Maladjustment of fuel
injection
* Readjust ignition timing.
Use of poor fuel * Use prescribed fuel.
Hydraulic
System
Boom, arm,
bucket, drive,
swing and dozer
power is too low.
Hydraulic oil level too low * Add oil.
Leakages of hoses and /
or joints
* Replace hose or joint.
Swing motor and
front attachment
does not work.
Lock lever in "LOCK"
position
* Bring lock lever into "UNLOCK" position.
Drive
System
Deviation of
drive direction
Blocked through stones * Remove.
Track too loose or too tight * Adjust accordingly.
Al
System indicator
light flashes.
Fuse in fuse box defective * Replace the fuse.
Trouble Cause Countermeasure