Liebherr LB 28 - Manual (Page 8)

8 LB 28
Continuous fl ight auger drilling
Auger with auger guide
Display for continuous fl ight auger drilling
Technical data
Drilling drive - torque 1 st gear 286 kNm
Drilling drive - speed 1 st gear 30 rpm
Drilling drive - torque 2 nd gear 148 kNm
Drilling drive - speed 2 nd gear 59 rpm
Performance data
Drilling depth with auger cleaner* 16.5 m
Drilling depth without auger cleaner* 17.8 m
Drilling depth with 8 m Kelly extension,
without auger cleaner
25.8 m
Max. pull force (crowd winch and Kelly winch) 900 kN
Max. push force (weight of rotary and auger to be added) 200 kN
Max. drilling diameter** 1000 mm
*) Without Kelly extension
**) Other drilling diameters available on request.