60
RH418-8135-3
07/2015
Operation
Running-in of the excavator
During the first 50 hours of operation, the following points should be adhered to in all cases:
Warm up the excavator at an average engine speed and with a low load; do not let it warm up at idling position.
Do not overload the excavator.
Special maintenance instructions
Change the oil in the final drives after the first 50 service hours.
The hydraulic system's return filter should be changed after the first 250 service hours.
Pre-operational services
Open the engine compartment cover (page 120). Close engine compartment cover after completion of the ac-
tivities.
Open the side cover (page 121). Always close the side cover after the work is done.
Remove the right ventilation grille (page 122). Install the ventilation grille after completion of the activities.
Walk-around inspection
Check the excavator for visible damage, loose nuts and screws and leaks.
Check for any accumulated dirt adjacent to hot components, e.g. engine, muffler, exhaust manifold/tubes and
remove if necessary.
Check for accumulated residues from leaves, straw, pine needles, twigs, bark and other flammable materials
and remove if necessary.
Check the safety instructions (labels) on the excavator. They must be complete and legible (page 19).
Ensure that the emergency hammer is present for the cab version (page 28).
Damage to equipment due to contaminated grease!
The grease plays a particular and important role in the running-in of the excavator. The movable com-
ponents are not yet broken in and generate many fine particles in the initial hours of operation that
dr
op into the grease. Changing the oil in due time removes the abraded metal particles, prevents
damage to equipment and preserves the service life of the components.
- Observe and adhere to oil change intervals!
For the performance of the services, the excavator must be parked on level ground. The engine must
be
turned off. The left control console must be raised.
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