Liebherr R 9800 - Manual (Page 3)

Performance
The first Liebherr R 996s were delivered to the KPC operation in
1997. Since their commissioning, these excavators have contin-
ued to offer consistent reliability and minimal downtime. The old-
est units have accumulated over 100,000 operating hours with an
annual usage close to 6,700 hours. The Liebherr fleet operates six
open coal pits in KPC mine site, 24 hours a day, 365 days a year.
Driven by two powerful diesel engines offering a combined output
of 2.982 kW (4,000 HP), both of KPC’s Liebherr R 9800 backhoes
provide extremely rapid loading cycles, as low as 28 seconds per
pass. Boasting a bucket of 45 m 3 (59 yd 3 ) to load overburden with
a loose density around 1,6 - 1,7 t/m 3 , both Liebherr R 9800 back-
hoes offer instantaneous production capacity of around 3.750
BCM / hour and 3.000 BCM / hour in long term production. Offering
an extremely low rate of fuel consumption, and equipped with an
oversized fuel tank of 19.690 L (5,202 gal), the R 9800 offers more
than 35 hours of fuel autonomy contributing to the maximisation of
machine uptime to minimise KPC’s global cost per tonne of coal.
The KPC fleet of R 996 and R 996 B reflects 50 years of
Liebherr experience in hydraulic excavator design and manufac-
turing by exceeding the customer’s expectations in terms of reli-
ability. Driven by a 2.237 kW (3,000 HP) diesel engine and boasting
a 34 m 3 (44 yd 3 ) bucket, these machines in face shovel configura-
tion reach an average long term productivity of 2.100 BCM / hour
and 3.000 BCM/hour of instantaneous production. The robust
central service station accessible from the ground level allows
for fast fluid refilling and drainage, and contributes to maximum
availability.
The R 9800 excavators are used largely in conjuction with Liebherr
T 282 B mining trucks. The T 282 B can be loaded in around
4 passes by the R 9800 and in 6 passes by the R 996 and R 996 B.
In this way KPC’s fleet of Liebherr hydraulic excavators help fulfill
KPC’s increased production requirements.
Day to day maintenance requirements are adressed by the
Liebherr on site service support centre, PT Liebherr-Indonesia
Perkasa. Maintenance is performed on a contract basis with initial
operator and maintenance training provided by Liebherr Mining
Equipment factories.
Solution
In 2012, KPC is utilising a fleet of eighteen Liebherr R 996 and
R 996 B hydraulic excavators, in both front shovel and backhoe
configurations, and two Liebherr R 9800 hydraulic backhoes in
conjunction with a fleet of thirty one Liebherr T 282 B mining
trucks (among others). KPC has already purchased an addi-
tional unit of Liebherr R 996 B and a third Liebherr R 9800 which
are expected to be commissioned by the end of 2012.
Designed for large scale mining operations, these machines were
purchased to deliver a superior rate of productivity while mini-
mising the operating and owning cost per BCM moved. Today,
KPC’s Liebherr fleet of mining equipment efficiently contributes to
Bumi Resources Tbk reaching their forecasted yearly production
increase and sustaining their ambitious economical growth plans.
R 9800 Backhoe Attachment
Operating Weight ___________________________________________________________________________________________800.000 kg / 1,763,700 lb
Engine Model ___________________________________________________________________Cummins QSK60 (USA / EPA Tier2)
Engine Output _______________________________________2x 1.492 kW / 2x 2,000 HP at 1,800 rpm
Bucket Capacity (ISO 7451) ________________________________________________________________________________________________45 m
3 / 59 yd 3
Max. Digging Force (ISO 6015) _______________________________________________1.760 kN / 395,664 lbf
Max. Breakout Force (ISO 6015) ____________________________________________1.980 kN / 445,121lbf
R 996 B Face Shovel Attachment
Operating Weight ___________________________________________________________________________________________676.000 kg / 1,490,300 lb
Engine Model _______________________________________________________________________________________________________________________________________Cummins K 1800 E
Engine Output _______________________________________2x 1.120 kW / 2x 1,500 HP at 1,800 rpm
Bucket Capacity (ISO 7451) ________________________________________________________________________________________34 m
3 / 44.5 yd 3
Max. Crowd Force
at Ground Level (ISO 6015*) ___________________________________________________________2.245 kN / 504,696 lbf
Max. Crowd Force (ISO 6015*) ________________________________________________2.330 kN / 523,804 lbf
Max. Breakout Force (ISO 6015) _________________________________________1.930 kN / 433,881 lbf
* including attachment weight
Technical Data