Liebherr A924 User Manual

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Liebherr A924 User Manual

Wheeled Excavator

A 924

 

 

 

 

 

 

 

 

Operating Weight: 21,100 – 26,500 kg

Engine Output:

129 kW / 175 HP

Bucket Capacity:

0.55 – 1.65 m³

A 924

Operating Weight: 21,100 – 26,500 kg

Engine Output:

129 kW / 175 HP

Bucket Capacity:

0.55 – 1.65 m³

2A 924 Litronic

Performance

Liebherr wheeled excavators have the performance to get building work done faster. The above-average high lift capacity and the large digging forces deliver extraordinary productivity in application. More performance for greater efficiency.

Reliability

Diesel engine, hydraulic components, electronic components, swing ring, swing drive and steel structure: developed, tested and produced by Liebherr. This produces the high quality you have come to expect, for a long service life and maximum machine availability. Greater quality for higher reliability.

Comfort

The newly developed Liebherr operator’s cab offers the machine operator the necessary space and comfort to make optimum use of the machine’s performance. The operator seat offers the following features as standard, amongst others: air suspension, seat heating and lumbar support. Greater comfort for higher performance.

Efficiency

The A 924 Litronic combines outstanding performance with high efficiency. The powerful Liebherr D 934 L diesel engine in conjunction with the efficient Liebherr particle filter reduces emissions and operating costs.

A 924 Litronic 3

Travel drive

Newly developed travel drive with high traction force for high travel speeds both in the plane and on gradients.

Reduces unproductive travel time between the working points and on the building site.

Faster on site. Faster productive.

4A 924 Litronic

Performance

Liebherr wheeled excavators are used on building sites all over the world, where they embody force and speed. Using Liebherr excavators, machine operators achieve impressive levels of performance, day-in and day-out. Whether in classic earthmoving, in roadway construction or for digging trenches and laying pipes: more can be achieved faster with Liebherr wheeled excavators.

Power, dynamics and precision

Lifting more

The intelligent structure of the uppercarriage and sep-

 

arate mounting of the hoist cylinders permits a signif-

 

icant lift capacity. That makes the A 924 Litronic the

 

ideal machine for pipeline and trenching workplaces.

 

The most powerful wheeled excavator in its class can

 

effortlessly accomplish tasks such as lifting and mov-

 

ing precast concrete elements and pipes or pulling out

 

shoring boxes.

Being more efficient

The A 924 Litronic combines power and dynamic prop-

 

erties. This makes it possible to complete heavy-du-

 

ty earthmoving jobs faster, so that new tasks can be

 

started sooner. As a result, this wheeled excavator is

 

the efficient solution for use on all construction sites

 

which require a high digging performance and mobile

 

flexibility.

Working with precision

The exceptional sensitivity of the hydraulic system per-

 

mits precise lifting and positioning of heavy compo-

 

nents. The bottom of the trench and other demanding

 

profiling work can be accomplished precisely and in

 

the shortest possible time. For earthmoving, load-lift-

 

ing or grading work, it is easily possible to adjust the

 

speed of the machine to match the requirements using

 

the MODE switch.

Digging force

 

Joystick steering

 

• High digging and breakout

 

• The optional joystick steering

force in the field.

 

function enables the operator

• For continuously high digging

 

to steer the wheeled excavator

 

using the mini-joystick.

performance even in tough

 

 

 

ground.

 

• Working and travelling movements

• More digging force

 

can be executed simultaneously

 

without having to move hands.

for faster results.

 

 

 

 

 

• More efficient operation

 

 

for greater productivity.

 

 

 

 

 

 

 

 

 

A 924 Litronic 5

Bright and durable

The LED rear lights fitted as standard not only look good, they also have a high brightness level and an extremely long service life.

The LED front outline marker fitted as standard make it easier to see the machine on the road, and thus provides greater safety.

6A 924 Litronic

Reliability

Reliability offers safety. Safety that significantly influences the success of a project. Whatever the weather, Liebherr stands for safety - with reliable construction machines and customer-oriented sales and service partners. This means a Liebherr construction machine is exactly what it should be: an investment that pays off.

Durability and innovation

Quality

Key components such as diesel engine, diesel particle

 

filter, hydraulic components, electronic components,

 

swing ring and swing drive are developed, tested and

 

produced by Liebherr itself. The significant depth of

 

production ensures the highest quality and permits

 

optimum coordination of components. The high-qual-

 

ity Liebherr components are also used in many other

 

sectors and products.

Expertise

Liebherr has been developing and producing hydrau-

 

lic excavators for more than 60 years. This experience

 

and the feedback from customers, sales and service

 

form the basis for putting innovative ideas into prac-

 

tice. The result: wheeled excavators with excellent

 

quality and reliability.

Service

A fast response when service is required minimises

 

downtime and ensures that schedules can be met.

 

This is made possible by a spare part availability

 

rate in excess of 98 % and a 24 h delivery service for

 

spare parts*. Service engineers trained by Liebherr

 

carry out service and maintenance work on the spot,

 

quickly and in accordance with the manufacturer’s

 

specifications.

 

* subject to location

More rear visibility -

 

Maintenance without draining oil

 

and to the side too

 

• Standard shut-off valve for

• The standard camera for rear-

 

 

disconnecting the oil tank

view monitoring is integrated

 

from the hydraulic system.

in a protected location in the

 

• For simple maintenance work on

counterweight.

 

 

the hydraulic components without

• Optional camera for the right side

 

 

draining the hydraulic oil.

area, for greater safety on the site.

 

• Reduced maintenance time for

• Greater visibility for more safety.

 

 

higher machine availability.

 

 

 

 

 

 

 

 

 

A 924 Litronic 7

Refuelling

Using the optional refuelling pump, the machine can be refuelled directly from a fuel container.

Remote cable operation and automatic shut off when the tank is full, for greater convenience and shorter refuelling times.

Topping up. Simple, quick and safe.

8A 924 Litronic

Comfort

The modern Liebherr operator’s cab offers the best preconditions for healthy, concentrated and productive working. The features which make this possible include the standard feature of an air-sprung operator seat with seat heating, the automatic air conditioning and the ergonomically arranged control elements with touch screen indicating unit. One example of the extensive safety equipment is the roll-over protection system (ROPS) for the cab fitted as standard according to ISO 12117-2.

An advance in comfort and convenience

Automatic

The automatic air conditioning offers convincingly in-

air conditioning

tuitive operation. Temperature, blower setting and the

 

various air nozzles in the head, chest and foot areas

 

are set using the touch screen on the indicating unit.

 

The defrost/defog one-button function clears fogged

 

up windows in the shortest possible time. The filter for

 

the cab air can be changed easily and conveniently

 

from the outside.

Operator seats

The Standard, Comfort and Premium operator seat

 

versions that are available have recognized orthope-

 

dic properties, and offer sitting comfort at the highest

 

level. Even the standard operator seat offers an exten-

 

sive range of standard features such as air suspen-

 

sion, seat heating, headrest, lumbar support and many

 

more besides.

Detailed solutions

The A 924 Litronic offers numerous detailed solu-

 

tions for greater comfort and efficiency. For exam-

 

ple, two different steering wheel versions can be

 

selected: for regular civil engineering tasks, for ex-

 

ample, it is recommended to have the thin steering

 

wheel since it affords better visibility of the working

 

area. Also, the stabiliser blade does not have any

 

lubrication points and is maintenance-free. No

 

need for time-consuming lubrication.

Convenient radio operation

 

Intuitive operation

 

• Optional radio with MP3-capable

 

• Display of the machine data and camera

CD player and front aux-in for con-

 

image on the large 7-inch indicating unit

necting external playback

 

with touch screen and direct access via

devices.

 

menu bar.

• Operation of the radio using the

 

• 10 user-programmable memory slots

indicating unit: station search,

 

for working tools, which can be used for

volume control, mute function.

 

quickly and easily setting the oil pressure

• Simple operation for greater

 

and oil flow at the push of a button when

 

changing tools.

convenience.

 

 

 

 

 

• Quick access keys can be programmed

 

 

by the machine operator with frequently

 

 

used menu items.

 

 

 

 

 

 

 

 

 

A 924 Litronic 9

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