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
SAFE OPERATION ............................................................................................ -1
DEALER SERVICE...................................................................................................... 1
TECHNICAL DATA...................................................................................................... 2
DESCRIPTION OF MACHINE PARTS........................................................................ 3
INSTRUMENT PANEL AND CONTROL ELEMENTS................................................. 4
CHECKS BEFORE START ......................................................................................... 6
DAILY CHECKS....................................................................................................... 6
CHECKING THE DEVICES ..................................................................................... 6
Starter Switch ................................................................................................................... 6
Display Selector Switch .................................................................................................... 7
LCD Display for Normal Operation ................................................................................... 7
Warning Lamp ................................................................................................................ 10
LCD Display for Warning ................................................................................................ 10
Setting the Clock............................................................................................................. 12
Reordering the year/month/day and Changing the AM/PM System to the 24-hour One 13
Log Record .....................................................................................................................14
Periodic Check................................................................................................................ 15
If All the Check Points are not Displayed at a Glance on a Single Screen.....................15
When the Check-up is Completed ..................................................................................17
Horn Switch .................................................................................................................... 17
Working Light Switch ...................................................................................................... 17
AUX Port Flow Rate Limit Switch ................................................................................... 17
Auto Idle Switch .............................................................................................................. 18
Throttle Potentiometer .................................................................................................... 18
Travel Speed Switch....................................................................................................... 18
CAB TYPE MACHINES ......................................................................................... 19
Wiper/Washer Switch ..................................................................................................... 19
Interior Lamp...................................................................................................................19
Cab Light Switch............................................................................................................. 20
Heater Switch ................................................................................................................. 20
Opening/Closing of CAB Door........................................................................................20
Opening/Closing of Front CAB Window.......................................................................... 21
Opening/Closing of Side CAB Window...........................................................................21
Emergency Hammer....................................................................................................... 21
AIR CONDITIONER............................................................................................... 22
Air Flow........................................................................................................................... 22
Air Control Vent .............................................................................................................. 23
Control Panel .................................................................................................................. 23
Operation ........................................................................................................................23
HANDLING THE SAFETY DEVICES..................................................................... 23
Pilot Control Lock Lever.................................................................................................. 23
OPERATION OF THE ENGINE................................................................................. 24
STARTING THE ENGINE ...................................................................................... 24
STARTING THE ENGINE UNDER COLD CONDITIONS...................................... 25