Liebherr LB 44 - Manual (Page 10)

10 Rotary drilling tools
Drilling buckets BU-R
reamer
Technical data
D NL GL Weight
[mm] [mm] [mm] [kg]
520 1500 2300 550
650 1500 2300 800
780 1500 2300 950
900 1500 2300 1200
980 1500 2300 1700
1080 1500 2300 1950
1200 1500 2300 2600
1390 1500 2300 3200
1680 1500 2300 3800
1850 1500 2300 4400
Features
• VK 200 Kelly box made of heat-treated cast steel with
two locking pins D 60 mm.
• Hinged swivel bottom gate with quick lock. The bottom
gate can be opened manually or mechanically via a spring
loaded pin.
• A ventilation pipe prevents the development of a vacuum
during extraction.
• Swivel bottom gate with reamer without pilot.
Application
For cleaning the bottom of the borehole.
Ø Casing
[mm]
620/540
750/670
880/800
1000/920
1080/1000
1180/1100
1300/1220
1500/1420
1800/1720
2000/1910
Other cutting diameters and effective lengths available on request.
GL
NL
D