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
MAINTENANCE58
A Do not fill the recovery tank over the "FULL" marking.
A Do not fill with dirty or salty water.
BChecking Fuel Level
To avoid personal injury:
A Stop the engine and remove the key before fuelling.
A Do not smoke while fuelling.
A By temperatures over -5 , use No.2-D diesel fuel,
when temperatures are under -5 , use No.1-D diesel
fuel.
A Make sure that the fuel tank is not run empty. Air will
enter the fuel system, and must be purged before
restarting.
A See "PURGING OF THE FUEL SYSTEM" in "OTHER
ADJUSTMENTS AND REPLACEMENTS"
A To prevent condensation (water) accumulations in the
fuel tank, fill the fuel into the tank before parking
overnight.
1. Check the fuel level by the fuel level indicator.
2. If necessary, open the cap and fill in fuel.
BChecking Engine Oil Level
To avoid personal injury:
A Stop the engine and remove the key before
checking the oil level.
A Use engine oil with the correct viscosity. (according to
the outside temperature)
A After stopping the engine and remove the key, wait five
minutes, then check oil level. (Excavator must be on
level ground.)
Insert the engine oil dipstick fully into the prepared
opening, remove again and check the oil level; if
necessary fill with oil. The machine must be on level
ground when checking the oil level.
(1) Fuel gauge (A) "EMPTY"
(B) "FULL"
(1) Fuel tank cap
(2) Fuel level audible indication switch
Fuel tank capacity 68 L
(1) Engine oil dipstick
(2) Oil filling port
(A) Required oil level range