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
REGULAR CHECKS AND MAINTENANCE WORK76
BIENNIAL SERVICING
To avoid personal injury:
A Do not loosen the radiator cap before the
radiator has cooled down sufficiently. Only
loosen the cap after allowing enough time for
the pressure in the system to be reduced.
Thereafter, one can remove the cap completely.
BReplacing Air-Conditioner Pipes and
Hoses
To avoid personal injury:
A Do not touch the coolant hoses or the heater
with your hand. You may get burned.
Replace air-conditioner pipes and hoses every two years.
If the hoses or pipes are swollen, hard or cracked, they
must be replaced earlier.
BReplacement of Radiator Hoses and Hose
Clamps
Replace radiator hoses and hose clamps every two years.
If the hoses are swollen, hard or cracked, they must be
replaced earlier.
BChanging Radiator Coolant
To avoid personal injury:
A When using anti-freeze, use protective clothing
such as rubber gloves (Anti-freeze is
poisonous.).
A If you accidentally swallowed anti-freeze, seek
medical attention at once.
A When anti-freeze comes in contact with the
skin or clothing, wash it off immediately.
A Do not mix different types of Anti-freeze. The
mixture can produce a chemical reaction
causing harmful substances.
A Anti-freeze is extremely flammable and
explosive under certain conditions. Keep fire
and children away from anti-freeze.
A When draining fluids from the engine, use a
container underneath the engine body to catch
the fluids.
A Do not pour waste onto the grounds, down a
drain, or into any water source.
A Also, observe the relevant environmental
protection regulations when disposing of anti-
freeze.
A If swallowed, anti-freeze is poisonous to
people, animals and birds.
(1) Radiator hoses
(2) Hose clamps