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
55MAINTENANCE
C Air-conditioner
First operation
*1 When using a hydraulic hammer, change hydraulic oil and return filter according to the table on "Hydraulic Oil
Change (Including Exchange of the Suction Filter in the Hydraulic Tank) under "EVERY 1000 SERVICE HOURS" in the
chapter "REGULAR CHECKS AND MAINTENANCE WORK".
*2 Clean and replace the air filter more frequently if used under dusty conditions. When the filter is very dirty from dusty
conditions, replace the filter.
*3 Replace only if necessary.
*4 Consult your local KUBOTA dealer for this service.
A The items listed above (@ marked) are registered as emission related critical parts by KUBOTA in the U.S.EPA non-
road emission regulation. As the engine owner, you are responsible for the performance of the required
maintenance on the engine according to the above instruction. Please see the warranty Statement in detail.
No. Check points Measures
Hour meter indicator
Interval
Ref.
page
50 100 150 200 250 300 350 400 450
1 Air filter
clean every 200 hrs 70 *2
replace every 1000 hrs - *2
2 Air conditioner condenser clean every 200 hrs 71
3 Air conditioner pipes and hoses
check every 1 year 76
replace every 2 years 77
4 Refrigerant (gas) check service as required 79
No. Check points Measures
Hour meter indicator
Interval
Ref.
page
500 550 600 650 700 750 800 1000
1 Air filter
clean every 200 hrs 70 *2
replace every 1000 hrs - *2
2 Air conditioner condenser clean every 200 hrs 71
3 Air conditioner pipes and hoses
check every 1 year 76
replace every 2 years 77
4 Refrigerant (gas) check service as required 79