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
REGULAR CHECKS AND MAINTENANCE WORK74
BReplacing Hydraulic Return Filter Element
To avoid personal injury:
A Remove the oil filter element only after the oil in
the hydraulic tank has cooled down.
1. Hold the filter support top and take the filter out of the
tank.
2. Loosen the set bolt first and then detach the return
filter from its support. Replace the filter with new one.
3. Remove the bolt from the cover. Take out and replace
the breather filter with new one.
A Always check the oil level when replacing the filter
element.
BHydraulic Oil Change (Including
Replacing of the Suction Filter in the
Hydraulic Tank)
To avoid personal injury:
A Wait long enough for the hydraulic fluid to cool
down. Then begin with the change of the
hydraulic fluid.
1. Park the excavator on a firm, flat and level surface.
Lower the attachments and dozer blade to the ground
and stop the engine.
2. Remove the drain plug on the underside of the
hydraulic tank and drain the oil.
3. Remove the suction filter lock pin and detach the
suction filter. Replace the filter with new one.
(1) Head cover
(2) Element
(3) O-ring
(4) Case
(1) Breather filter
(2) Bolt
(3) Cover
(4) Set bolt
(5) Return filter
(6) Filter support
(7) Suction filter
(1) Drain plug