Liebherr LRB 125 XL - Manual (Page 12)

12 LRB 125
Kelly drilling
Model BA 120 and Kelly bar 12/3/20
14:50 2
MODE
700
1000
1300
1600
1900
2200
rpm
0
20
40
60
80
100
Nm %
-11.07m
0.14 m/min
0
40
80
120
KELLY
68.8 kN
-19.95m
0.36 m/min
100 kN
-91.5 kN
0
100
200
300
400
bar
0 100 200 300 400
bar
0 100 200 300 400
bar
7.7
34mm/U m -20.0
-1.3°
° 1.5
Shock absorber for Kelly bar
Display for Kelly drilling not for LRB 125 XL
*) Other Kelly bars on request
Technical data Kelly bar
Diameter 12 inch
Number of sections 3
Extended length 67.26 ft
Retracted length 27.89 ft
Drive stub 7.87 inch
Weight 7,055 lbs
Technical data Kelly winch
Line pull (effective) 24,729 lbf
Winch speed 0 – 100 rpm
Performance data
Max. drilling diameter 47.24 inch
Max. drilling depth* 59.1 ft
Max. clearance below drilling tool 21.3 ft
Technical data
Drilling drive – torque 1 st gear 88,510 lbf-ft
Drilling drive – speed 1 st gear 27 rpm
Drilling drive – torque 2 nd gear 44,255 lbf-ft
Drilling drive – speed 2 nd gear 54 rpm