Technical data, Operator’s cab, Central lubrication system – Liebherr R 9250 User Manual
Page 17: Undercarriage, Attachment, Service flap
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R 9250
17
Technical Data
Operator’s Cab
Design
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resiliently mounted, sound insulated,
large windows for all around visibility,
integrated falling object protection FOPS
Operator’s seat
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suspended, body-contoured with shock
absorber, adjustable to operator’s weight
Cabin windows
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20,5 mm/0.8 in tinted armored glass for
front window and 18 mm/0.7 in for right
hand side windows, all other windows in
tinted safety glass,
high pressure windshield-washer system
75 l/20 gal watertank,
sun louvers on all windows in heavy duty
design
Heating system/
Air conditioning
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heavy duty, fully automatic, high output air
conditioner and heater unit
Cabin pressurization
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ventilation with filter
Controls
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joystick levers integrated into armrest of
seat
Monitoring
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via LCD-Display, data memory
Rear vision system
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camera installation on counterweight and
right-hand side of the uppercarriage dis-
played over an additional LCD-display
Automatic engine
shut off
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engine self-controlled shut off
Destroking of main
pumps
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in case of low hydraulic oil level
Safety functions
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additional gauges with constant display for:
engine speed, hourmeter, voltmeter, safety
mode for engine speed control and pump
regulation
Noise level (ISO 6396)
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Diesel: L
pA
(inside cab) = Tier 1: 77 dB(A)
with oil/water fans at 100 % and AC fan
at 65 %
Electric: L
pA
(inside cab) = 70 dB(A)
with oil/water fans at 100 % and AC fan
at 65 %
Central Lubrication System
Type
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Lincoln Centromatic lubrication system,
for the entire attachment/swing ring
bearing and teeth
Grease pumps
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Lincoln Powermaster pump plus separate
P203 pump for swing ring teeth
Capacity
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200 l/53 gal bulk container for attachment/
swing ring bearing, separated 15 l/4.0 gal
bulk container for swing ring teeth
Refill
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via the service flap for both containers,
fill line with grease filters
Undercarriage
Design
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3-piece undercarriage,
box type structures for center piece and
side frames,
stress relieved
Hydraulic motor
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2 axial piston motors per side frame
Travel gear
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Liebherr planetery reduction gear
Travel speed
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0 – 2,1 – 2,7 km/h / 0 – 1.30 – 1.68 mph
Parking brake
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spring engaged, hydraulically pressure
released wet multi-disc brakes for each
travel motor, maintenance-free
Track components
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D 12, maintenance-free, forged double
grouser pad
Track rollers/
Carrier rollers
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9/2 per side frame
Automatic track tensioner
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hydraulic and grease tensioner
Transport
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undercarriage side frames are removable
Attachment
Design
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box-type structure with large steel castings
in all high-stress areas
Stick
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wear protection underneath lower beam
plate
Pivots
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sealed and floating pins
Hydraulic cylinder
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Liebherr design, sealed bearings,
electron ically controlled end- cushioning
Hydraulic connections
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pipes and hoses equipped with SAE
split-flange connections
Pivots bucket-to-stick
Pivots bucket-to-link
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O-ring sealed and completely enclosed
Kinematics
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Liebherr parallel face shovel attachment
geometry, electronic controlled end-
cushioning
Service Flap
Design
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hydraulically actuated service flap, easily
accessible from ground level to allow:
– fuel fast refill
– engine oil quick change
– swing ring teeth grease barrel refilling via
grease filter
– attachment/swing ring bearing grease
barrel refilling via grease filter
– hydraulic oil refill
– hydraulic oil draining
– splitterbox oil refill
– windshield wash water refilling
Other coupler type on request