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
71REGULAR CHECKS AND MAINTENANCE WORK
4. Let the engine idle for approx. 5 min. Check the engine
oil level. To check the engine oil level, insert the
engine oil dipstick completely into the respective port
opening and pull out again. If the oil level lies between
both markings, no oil must be added.
A Regardless of the service hours, an engine oil change
is due every 1 year.
BReplacing Engine Oil Filter
1. Replace the oil filter cartridge at the same time as
doing the engine oil change.
2. Remove the cartridge with the supplied filter wrench.
3. Oil the O-ring of the new oil filter cartridge lightly. Then
tighten the oil filter cartridge by hand.
4. Fill engine oil to the specified level.
5. Let the engine run for approx. 5 min. and make sure
that the engine oil indicator lamp does not light up.
Then stop the engine and remove the key.
6. The engine oil level is reduced by the amount of the
filter capacity after the engine is started. It is usually
necessary to add oil.
A Always check the oil level after having exchanged the
filter.
EVERY 500 SERVICE HOURS
Do all 50, 100 and 250 hour servicing at the same time.
BDrive unit Oil Change(First Oil Change of
the 50 hours)
To avoid personal injury:
A Lower all attachments to the ground, stop the
engine and remove the key before undertaking
the oil change.
1. Rotate the track so that the drain plug of the drive unit
is in the bottom position.
2. Remove the drain plug to let the oil run out. Screw in
and tighten the drain plug again and fill with gear oil
through the oil check port.
3. Fill oil until it overflows out of the oil check port.
Oil change
- first oil change after 50 hrs
- then every 500 hrs
- or at least once a year
4. Use prescribed gear oil SAE 90.
Engine oil volumes
(with engine oil filter)
9.0 L
(1) Oil filter
(1) Oil check port
(2) Drain plug
(3) Oil filling port
Gear oil volume approx. 0.9 L