OPERATOR'S MANUAL
Table Of Contents
- OPS - Excavator U48-4 (RD45881312)
- 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
- Starter Switch
- Display Selector Switch
- LCD Display for Normal Operation
- Warning Lamp
- LCD Display for Warning
- Setting the Clock
- Reordering the year/month/day and Changing the AM/PM System to the 24 hour one
- Log Record
- Periodic Check
- If all the Check Points are not Displayed at a Glance on a Single Screen
- When the Checkup is Completed
- Horn Switch
- Working Light Switch
- AUX Port Flow Rate Limit Switch
- Auto Idle Switch
- Throttle Potentiometer
- 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
- Checking Coolant Level
- Checking Fuel Level
- Checking Engine Oil Level
- Checking Hydraulic Oil Level
- Checking V-Belt
- Checking Radiator and Oil Cooler
- Checking Washer Liquid
- Cleaning Pre-Cleaner
- Checking and Cleaning Engine and Electrical Wiring
- Greasing Boom Swing Fulcrum
- Washing Whole Machine
- Greasing Front Attachments (without Bucket Pin and Boom Swing Fulcrum)
- 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
CONTENTS
EVERY 3000 SERVICE HOURS ........................................................................... 75
Checking Injection Pump ................................................................................................ 75
ANNUAL SERVICING............................................................................................ 75
Electrical Wiring and Fuses ............................................................................................ 75
Checking the Electrical Circuit ........................................................................................ 75
Checking Air-Conditioner Pipes and Hoses.................................................................... 75
BIENNIAL SERVICING .......................................................................................... 76
Replacing Air-Conditioner Pipes and Hoses...................................................................76
Replacement of Radiator Hoses and Hose Clamps .......................................................76
Changing Radiator Coolant ............................................................................................ 76
Replacing Fuel Hoses and Clamps ................................................................................77
Replacing Intake Air line ................................................................................................. 78
SERVICING AS REQUIRED.................................................................................. 78
Checking Amount of Refrigerant (gas) ...........................................................................78
OTHER ADJUSTMENTS AND REPLACEMENTS.................................................... 79
PURGING OF THE FUEL SYSTEM ...................................................................... 79
ADJUSTMENT OF TRACKS ................................................................................. 79
Special Information when Using Rubber Tracks.............................................................80
CHANGING THE BUCKET .................................................................................... 81
FUSES ................................................................................................................... 81
Replacing Fuses ............................................................................................................. 81
Fuse Capacities and Circuits.......................................................................................... 82
Auxiliary Electric .............................................................................................................83
Slow Blow Fuse .............................................................................................................. 83
TROUBLESHOOTING............................................................................................... 84
OPERATION UNDER COLD WEATHER CONDITIONS .......................................... 86
PREPARATION FOR OPERATION IN COLD WEATHER .................................... 86
PROCEDURE AFTER DONE WORK.................................................................... 86
LONG STORAGE ...................................................................................................... 87
RECOMMENDED OILS............................................................................................. 89
APPENDICES............................................................................................................ 90
MAIN DIMENSIONS .............................................................................................. 90
LIFTING CAPACITY .................................................................................................. 91
LIST OF SCREENS................................................................................................... 96
LIST OF NORMAL SCREENS............................................................................... 96
NAVIGATION LIST OF SCREENS ........................................................................ 97