Liebherr LB 36 - Manual (Page 7)

LB 36 7
Kelly drilling
Kelly bars
A X Drilling
depth
Weight Kelly Ø
(mm) (mm) (m) (t) (mm)
MD 36/3/30 11900 9800 28.0 7.6 470
MD 36/3/36 13900 7800 34.0 8.8 470
MD 36/4/42 12950 8700 40.0 10.3 470
MD 36/4/48 14450 7200 46.0 11.5 470
MD 36/4/54 15950 5700 52.0 12.7 470
MD 36/4/60 17450 4200 58.0 13.9 470
MD 36/4/66 18950 2700 64.0 15.1 470
Display for Kelly drilling
1900
A
X
*) Other drilling diameters available on request. Other Kelly bars available on request.
When using a casing oscillator, value X has to be reduced
by 1600 mm.
Technical data
Drilling drive - torque 1 st gear 366 kNm
Drilling drive - speed 1 st gear 24 rpm
Drilling drive - torque 2 nd gear 183 kNm
Drilling drive - speed 2 nd gear 48 rpm
Performance data
Max. drilling diameter* 2300 mm uncased
Max. drilling diameter* 2000 mm cased