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
98 LIST OF SCREENS
7
Not equipped with
overload warning
function
This message appears if the
overload warning switch is
pressed on machines not
equipped with overload
warning system.
--
8
Out of fuel
Fuel is running out. - Add fuel.
9
Fuel sensor error
The fuel sensor system is in
trouble.
The fuel level indicator does
not appear on the
meter.Press the display
selector switch, and the
normal display is switched
back.The machine's other
functions are still operative.
Immediately contact your
local dealer.
10
Charging system error
Charging system is in
trouble.
The battery is not changing.
The machine works until the
battery goes dead.
Immediately contact your
local dealer.
11
Engine oil pressure
error
The engine lubricating
system oil pressure is too
low. Stop the engine.
The engine may get burnt
out. Immediately stop the
engine.
Immediately contact your
local dealer.
12
Overvoltage
This message appears if a
jumper cable is connected to
a 24V battery or improper
device to get the engine
started or if the alternator is
in trouble.
Immediately interrupt the
engine if with a 24V battery.
When the engine gets
restarted and is running with
no message appearing, it
means there is no problem.
If this message still appears,
immediately ask for repair.
13
Overheat advance
warning
Water temperature
rising
Water temperature is rising
somewhat higher than
specified.
Operate with the load a little
lessened.
Check the radiator and other
components for clog.
Immediately clean them up.
-
No.
Message
Problem or failure
(What happened)
Machine behavior
(Provisional measure)
Correction