Liebherr LB 20 - Manual (Page 8)

8 LB 20
Auger with auger guide
2 11:18
2 3
MODE
700
1000
1300
1600
1900
2200
rpm
0
20
40
60
80
100
Nm
15.34 m
1.73 m/min
0
200
400
600
KELLY
376.3 kN
15.34 m
1.73 m/min
200 kN
194.7 kN
° 0.1
° 0.0
0
100
200
300
400
bar
0 100 200 300 400
bar
1 3.1
0 1 2 5
bar
1.44m³
-10 0 10 20 30 40
%
%
Continuous flight auger drilling
Display for continuous flight auger drilling
Technical data
Rotary drive - torque 169,640 lbf-ft
Rotary drive - speed 52 rpm
Performance data
Drilling depth with auger cleaner* 42.65 ft
Drilling depth without auger cleaner* 44.62 ft
Drilling depth with 19.7 ft Kelly extension,
without auger cleaner
64.30 ft
Max. pull force (crowd winch and Kelly winch) 148,375 lbf
Max. push force
(weight of rotary and auger to be added)
33,725 lbf
Max. drilling diameter** 35.4 inch
*) Without Kelly extension
**) Other drilling diameters available on request