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
49TRANSPORTING THE EXCAVATOR ON A VEHICLE
3. For additional safety, use blocks or supports under the
ramps and the bed.
4. Completely align the ramps and the tracks and then
drive the excavator slowly up the ramps. After
ensuring that the tracks are completely on the bed,
swing the upper body around to the back of the
vehicle.
5. Lower the dozer onto the bed.
6. Pull in the bucket and arm completely. Then lower the
boom.
7. Stop the engine, release pressure trapped in the
hydraulic system and remove the key.
8. Raise the lock lever.
9. Block the tracks with blocks and tie down the
excavator.
B Towing the machine
To avoid personal injury:
A When towing the excavator or pulling a load
must be less than the strength of the towing
line attached to excavator. Not to be used for
tiedown or lifting the machine.
A Towing is only allowed over a short distance
and at walking speed.
1. Attach the tow bar or towing rope to the hook on the
excavator and to the pulling vehicle. The tow bar
should be mounted at a right angle to the vehicles.
2. The operator must be seated during the recovery
procedure.
3. Drive slowly with the tractive vehicle to avoid abrupt
loads.
(A) Tie down point
(1) Chain
(2) Block
(1) Tow line