Operation; To Operate A New Excavator - Doosan DX380LC-7K Operation And Maintenance Manual

To Operate a New Excavator

All DOOSAN excavators are inspected before leaving the
factory. However, it is required that operator follow these steps
during the initial break-in period. Failure to follow these steps
can result in damage to the equipment or reduced performance.
Hour
For first 50 hours of operation
After first 50 hours of operation
If machine is used at full load before it is broken in, it could affect
the overall performance and service life of the machine.
NOTE: 1. Check daily for leakage of coolant, fuel, engine
oil and hydraulic oil.
2. Inspect all lubricants daily and add appropriate
lubricants as required.
3. During operation, monitor all instruments and
gauges from time to time.
4. Avoid an extreme engine load.
5. Operate unit at 80% load until engine and all
other
temperatures.
6. Check that work equipment is operating
normally.
7. Check machine for loose parts or for damage
that may have occurred during shipping.
8. Check for loose wiring or terminals, check
gauge operation and battery electrolyte level.
9. After the machine is newly installed or replaced,
some of its components are to be initially and
only once lubricated/greased or replaced.
For details, refer to "Inspection, Maintenance
and Adjustment" on page 4-1 of this manual.
DX380LC-7
Load
Maintain about 80% load of
full capacity (Engine rpm:
80% of rated rpm)
Full load
components are at operating

Operation

3
Operation
3-1