Liebherr R 944 C Litronic Demolition - Manual (Page 4)

4 R 944 C Litronic Demolition Attachment
Backhoe Attachment
with Main Boom 4,30 m
For backhoe application, following
items are required
Main boom 4,30 m
Stick 2,10 m
Stick 2,60 m
Stick 3,30 m
Storage racks for backhoe attachment
Optional
Hydraulic lines AHS * for main boom 4,30 m
Hydraulic lines AHS * for stick 2,10 m
Hydraulic lines AHS * for stick 2,60 m
Hydraulic lines AHS * for stick 3,30 m
Hydraulic lines rotary drive for main boom 4,30 m
Hydraulic lines rotary drive for stick 2,10 m
Hydraulic lines rotary drive for stick 2,60 m
Hydraulic lines rotary drive for stick 3,30 m
Backhoe bucket – as required
* AHS = hydraulic control for hydraulic accessory
Digging Envelope
Main Boom
pinned in upper (in lower) bearing 1 2 3
Stick lengths m 2,10 2,60 3,30
Max. digging depth m 4,30 ( 5,75) 4,80 ( 6,25) 5,50 ( 6,95)
Max. reach at ground level m 11,50 (10,90) 12,00 (11,40) 12,70 (12,05)
Max. dump height m 9,25 ( 7,30) 9,60 ( 7,50) 10,15 ( 7,80)
Max. teeth height m 13,10 (10,85) 13,50 (11,10) 14,00 (11,40)
Digging Forces
with Quick Change Adapter 1 2 3
Digging force ISO kN 211 187 161
t 21,5 19,1 16,4
Breakout force ISO kN 206 206 206
t 21,0 21,0 21,0
without Quick Change Adapter
Digging
force ISO kN 224 197 168
t 22,8 20,1 17,1
Breakout force ISO kN 236 236 236
t 24,1 24,1 24,1
Max. breakout force with ripper bucket
without quick change adapter
300 kN (30,6 t)
Buckets
without Quick Change Adapter with Quick Change Adapter
Cutting width mm 1200 1350 1500 1650 1650 1800 1050 1200 1350 1500 1650 1650
Capacity ISO 7451 m 3 1,25 1,50 1,75 2,00 2,25 2,50 1,00 1,25 1,50 1,75 2,00 2,25
HD-SL t/m 3 1,8 1,8 1,8 1,5 1,2 – 1,8 1,8 1,8 1,5 1,2 –
Max. possible material weight S-HD t/m 3 1,8 1,8 1,8 1,8 1,8 1,5 1,8 1,8 1,8 1,8 1,8 1,5
V/ VH-HD t/m 3 1,8 1,8 1,8 1,8 1,8 1,8 1,8 1,8 1,8 1,8 1,8 1,8
Weight of STD bucket with Liebherr teeth Z 20 kg – 1460 1540 1670 1780 1850 – 1330 1410 1490 1620 1730
Weight of HD bucket with Liebherr teeth Z 20 1) kg 1450 1560 1630 1790 1900 – 1300 1390 1500 1570 1730 –
Max. stick length for machine stability per ISO 10567:
HD-SL-Undercarriage
m 3,30 2,60 2,10 2,10 2,10 – 3,30 2,60 2,10 2,10 2,10 –
S-HD-Undercarriage m 3,30 3,30 3,30 2,60 2,10 2,10 3,30 3,30 3,30 2,60 2,10 2,10
V-Undercarriage m 3,30 3,30 3,30 3,30 2,60 2,10 3,30 3,30 3,30 3,30 2,60 2,10
VH-HD-Undercarriage m 3,30 3,30 3,30 3,30 3,30 2,60 3,30 3,30 3,30 3,30 3,30 2,60
1) For applications over surface class 6, according to VOB, part C, DIN 18300
Operating Weight
and Ground Pressure
Operating weight includes basic machine with main boom 4,30 m, stick 2,60 m,
quick change adapter 66 and backhoe bucket 1,25 m
3 .
Undercarriage HD-SL S-HD V VH-HD
Pad width mm 600 600 600 600
Weight kg 44900 48400 51400 55100
Ground pressure kg/cm 2 0,87 0,85 0,90 0,98
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R0189