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
EXCAVATOR OPERATION36
OPERATION OF THE BUCKET
To dig using the bucket, move the right attachment control
lever from the neutral position, left. Moving the control
lever right, moves the bucket outwards and empties its
contents.
UNIT SWING AND BOOM SWING
OPERATION
To avoid personal injury:
A When working in groups, always let the others
know what you are going to do before you do it.
A Keep others away from the machine working
area.
A Be sure to lock the boom swing pedal when the
boom swing function is not used.
BUnit Swing Operation
1. Move the control lever to the left and the upper
structure will turn to the left.
2. Move the control lever to the right and the upper
structure will turn to the right.
BBoom Swing Operation
1. Flip the pedal lock up to unlock the pedal.
2. Step on the left side of the pedal to swing the boom to
the left.
3. Step on the right side of the pedal to swing the boom
to the right.
A Do not operate the left attachment control lever
abruptly from right to left (or vice versa), because the
inertia may cause high impact loads on the swing gear
and the swing motor, shortening the life of the
excavator.
(1) Boom swing pedal
(2) Pedal lock