Liebherr LB 44 User Manual download pdf (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.

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 19 20

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Liebherr LB 44 User Manual Page 10