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
79REGULAR CHECKS AND MAINTENANCE WORK
BReplacing Intake Air line
Replace the hoses and clamps, if necessary.
(See "Checking Fuel and Intake Air Line" in "EVERY 200
SERVICE HOURS")
SERVICING AS REQUIRED
BChecking Amount of Refrigerant (gas)
To avoid personal injury:
A Liquid contact with eyes or skin may cause
frostbite.
A In the event of a leakage, wear safety goggles.
Escaping refrigerant can cause severe injuries
to eyes.
A In contact with a flame, R134a refrigerant result
in a toxic gas.
A Do not disconnect any part of the
refrigeration circuit of the air conditioning
system. Consult your local KUBOTA Dealer for
assistance and service.
A shortage of refrigerant reduces the air-conditioner
performance. Check the following points. If it is indicated
that the amount of refrigerant is extremely low, ask your
dealer to inspect and charge.
C Checking procedure
1. Run the air-conditioner in the following conditions.
2. Look into the sight glass to see if the refrigerant is
flowing through its circuit.
A Charge only with R134a not R12 refrigerant (gas).
(1) Hoses
(2) Hose clamps
A Engine speed: About 1500 rpm
A Temperature control lever: Maximum cooling
position (rightmost)
A Fan switch: Highest blow (3)
A Air-conditioner switch: ON
(1) Sight glass