Liebherr LRB 155 - Manual (Page 11)

LRB 155 11
Double rotary drilling
Model DBA 200
Hydraulic casing guide
Technical data
Drilling drive I – speed 1 st gear 7 rpm
Drilling drive I – torque 1 st gear 196 kNm
Drilling drive I – speed 2 nd gear 14 rpm
Drilling drive I – torque 2 nd gear 98 kNm
Drilling drive II – speed 1 st gear 15 rpm
Drilling drive II – torque 1 st gear 98 kNm
Drilling drive II – speed 2 nd gear 30 rpm
Drilling drive II – torque 2 nd gear 49 kNm
Display for double rotary drilling
Performance data
Max. drilling diameter* 620 mm
Max. drilling depth* 15 m
Max. pull force (crowd winch and Kelly winch) 460 kN
*) Other drilling diameters and drilling depths available on request