Wacker Neuson ET18, Operator'S Manual

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3-2
OM ET18/20/24 us 1.3 * et18_20_24e300.fm
3
Overview of model designations and trade names
3.2 Brief description of the machine
The machine model ET18/ET 20/ET24 is a self-propelled work machine.
Get informed on and follow the legal regulations of your country.
This machine is a versatile and powerful helper for moving earth, gravel
and debris on construction sites and elsewhere. A wide range of
attachments accounts for the numerous applications of the machine,
among others hammer and grab applications. When using these
attachments, observe the legal regulations of your country and equip the
machine with all the safety equipment required. See chapter 1.4
Fields of
application and use of attachments on page 3-5 for further applications.
The main components of the machine are:
• Travel gear
- Travel gear
- Stabilizer blade
- Live ring
• Upper carriage
- Cab
- Water-cooled diesel engine
- Hydraulic and electrical components
• Boom
Information
The machine can be equipped with the “Telematic” feature (for
transmitting operating data, location, etc. via satellite)!
Traveling drive
The diesel engine permanently drives a twin axial variable displacement
pump whose oil flow is sent to the control valve. Depending on actuation,
each pump supplies a hydraulic motor or the work hydraulics with oil.
Work hydraulics
The twin axial variable displacement pump supplies the work hydraulics
for the main components with oil. This pump is output-controlled and
supplies the oil quantity depending on the output required. This machine is
also equipped with a gear pump flanged onto the variable displacement
pump. Depending on engine speed, this pump supplies oil for the swivel
unit, the stabilizer blade and travel gear extension/retraction (option).
Shock cartridges (option)
The auxiliary hydraulics are equipped with Schock cartridges to
compensate pressure peaks in the hydraulic system.
Cooling system
Coolant temperature is monitored with the indicator light on the machine’s
instrument panel.
Machine model/machine designation Trade name
E12-02 ET18
E12-03 ET20
E12-04 ET24