Hyundai R290LC-7A User Manual
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CRAWLER EXCAVATOR Applied Tier III Engine
NEW 7A SERIES
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Robex 290LC-7A
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HYUNDAI CONSTRUCTION EQUIPMENT
Built for Maximum Power,
Performance and Reliability.
A new chapter in construction equipment has now begun.
Making the dream a reality.
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Operator’s Comfort is Our Main Concern.
Wide Cab Exceeding Industry Standards.
Technology in Cab Design
Visibility
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Even more visibility than before, for safer, more efficient operation.
Excellent Ventilation
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Ventilation has been improved by using a larger fresh air intake system,
and by providing additional air flow throughout the cab.
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Sliding front and side windows provide improved ventilation.
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A large sunroof offers upward visibility and additional ventilation.
Comfortable Operator Environment
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The control levers and seat can be adjusted to provide maximum
operator comfort.
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The seat is fully adjustable for optimum operating position, reducing
operator fatigue.
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Console boxes slide forward and backward for improved accessibility.
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The proportional pressure controls reduce unnecessary exertion while
ensuring precise operation.
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Large windows allow excellent visibility in all directions.
Low noise design
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The Robex 7A series was designed with low operation noise in mind.
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Hyundai’s engineers made efforts to keep interior and exterior noise levels
to a minimum.
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The cab's noise levels have been additionally reduced by improving the
door seals for the cab and engine compartments.
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The use of an insulated diesel engine compartment with sound-damping
material also reduces noise.
Wide, Comfortable Operating Space
Steel Cover Sunroof
Dial Type Engine Speed Switch and / Key Switch
Radio CD Control
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Robex 290LC-7A
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HYUNDAI CONSTRUCTION EQUIPMENT
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Improved Intelligent Display
The Instrument Panel is installed in front of the
RH console box. It is easy to check all critical
systems with easy-to-read indicators.
Minimization of Shock and Vibration through
Cab Mounting System
The application of the Viscous Mounting System to the cabin
support provides the operator with a smoother ride. The
operator’s work efficiency will increase as the shock and
noise level in the cabin decreases.
Operating Environment
Storage box and Cup Holder
An additional storage box and cup holder are located behind the
operator’s seat, the box keeps food and beverages cool or hot.
Wide Cab with Excellent Visibility
The cab is roomy and ergonomically designed with low noise level
and good visibility. A full view front window and large rear and side
windows provide excellent visibility in all directions.
Wide, Comfortable Operating Space
All the controls are designed and positioned
according to the latest ergonomic research.
Reinforced pillars have also been added for
greater cab rigidity.
Smooth Travel Pedal and Foot Rests
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Robex 290LC-7A
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HYUNDAI CONSTRUCTION EQUIPMENT
Maximum Protection
Highly Sensitive Joystick
and Easy Entrance
New joystick grips for precise
control have been equipped with
multiple switches.
Easy-to-Reach Control
Panels
Switches and other essential
controls are located near
the operator.
This helps to keep operator
movements to a minimum,
enhancing control with less
operator fatigue.
Rear Emergency
Exit Window
Rear Exit Window is
designed with easy exit
in emergency cases.
Raise-up Wiper and
Cabin Lights
Raise-up wiper installed to
enhance a better front view.
Cabin Lights enhances safety by
brightly lighting the surroundings
in dark environments. (optional)
Centralized control panel
Horn button
Option button
Remote Radio control
Travel lever
Cluster
One touch decel button
Hour meter
Travel pedal
Fully adjustable suspension seat
Safety lever
Power boost button
Joystick control lever
Air Conditioner and Heater controller
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The better working conditions in a pleasant environment
Left
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Power boost
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One touch deceleration
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Optional (2)
Right
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Horn
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Optional (3)
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Automatic Engine Overheat
Prevention
If the engine coolant temperature
gets too high, the CPU controller
lowers the engine speed and cools
the engine.
Anti Restart System
The new system protects the starter
from re-starting during engine
operation, even if the operator
accidentally turns the start key again.
Power boost control System
When the power boost system is
activated, digging power increases
about 10%.
It is especially useful when extra
power is temporarily needed, for
instance, when digging hard earth
and rock.
Automatic Warming-up System
After the engine is started, if the
engine coolant temperature is low,
the CPU controller increases the
engine speed and pump flow
automatically so to warm up the
engine more effectively.
Advanced Hydraulic System
The advanced CAPO(Computer
Aided Power Optimization)
system maintains engine and
mutual pump power at optimum
levels. Mode selections are
designed for various work
loads and maintaining high
performance while reducing
fuel consumption. Features
such as auto deceleration and
power boost are included in the
system. The system monitors
engine speed, coolant and
hydraulic oil temperature.
Contained within the system
are self diagnostic capabilities
which are displayed by error
codes on the cluster.
POWER MODE
H mode: High power
S mode: Standard power
WORK MODE
: Heavy duty work
: General work
: Breaker
USER MODE
M mode: Maximum Power
U mode : Memorizing Operator’s Preferable Power Setting
Auto Deceleration System
When the remotecontrol valves are in
neutral position more
than 4 seconds, the
CPU controller
instructs the
accelerator actuator
to reduce engine
speed to 1050 rpm. This decreases fuel
consumption and reduces cab noise levels.
Max. Flow Cut-off System
For precise control and finishing work, the Max.
Flow Cut-off System reduces pump flow, allowing
smooth operation.
Self Diagnostic System
The CPU controller diagnoses problems in the
CAPO system caused by electric and hydraulic
malfunctions and displays them on the LCD
monitor of the cluster through error codes.
This controller has the capacity to identify 48
distinct types of errors. The information from this
device, such as engine rpm, main pump delivery
pressure, battery voltage, hydraulic temperature,
and the state of all types of electric switches,
provides the operator with the exact condition
of his machine. This instrument makes it easier
to troubleshoot the machine in case of failure.
One Touch Deceleration System
When the one touch deceleration switch is
pressed, the CPU controller controls the
acceleration actuator to reduce engine speed to
800 rpm. Once this switch is pressed again, the
engine speed recovers to its preset RPM
Pump Flow Control System
In neutral position: Pump flow is reduced to a
minimum to eliminate power loss. In operation:
Maximum pump flow is delivered to the actuator
to increase the speed. With movement of the
control lever, pump flow is automatically adjusted
and the actuator speed can be proportionally
controlled.
Boom & Arm Holding System
The holding valves in the main control valve
prevents the boom & arm from lowering over an
extended period in neutral position.
Arm Flow Regeneration System
Arm flow regeneration valve provides smooth
arm-in operation without cavitation.
Hydraulic Damper in Travel Pedal
Improved controllability & feeling during
movement of the machine by use of shock
reducing material.
ADVANCED CAPO SYSTEM
NEW MODE CONTROL SYSTEM
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