Liebherr LB 28 Manuel d'utilisateur

Technical dataDrilling rigLB 28

10  LB 28Twin mix equipmentModel DMA 35Technical dataDrilling drive - torque  1st gear   35  kNmDrilling drive - torque  2nd gear   17.5

LB 28  11Process data recording system - PDE® (additional equipment)The Liebherr process data recording system PDE® constantly records the relevant pr

Liebherr-Werk Nenzing GmbH P.O. Box 10, A-6710 Nenzing/Austria Tel.: +43 50809 41-473 Fax: +43 50809 41-499 [email protected] www.liebherr.co

2 LB 28Concept and characteristics•  High engine output with automatic engine speed   control•  Controlled entirely from cab•  Sturdy and solid rig d

LB 28 3Transport dimensions and weightsTransport with leaderincludes the basic machine (ready for operation) with leader, without working tools (such

4 LB 28DimensionsBasic machine LB 28Technical dataTotal height    25.96 mMax. pull, leader on ground    400 kNMax. torque    286 kNmStepless rig

LB 28  5Technical description Hydraulic systemThe main pumps are operated by a distributor gearbox. Axial piston displacement pumps work in open circu

6 LB 28Rotary BA 280 with shock absorberGearbox frameDrive motorsCasing driverCardanic jointKelly barShock absorberGearbox0501001502002503003500 10 2

LB 28  7Kelly drillingTechnical dataDrilling drive - torque   1st gear   286  kNmDrilling drive - speed   1st gear   30  rpmDrilling driv

8 LB 28Continuous fl ight auger drillingAuger with auger guideDisplay for continuous  ight auger drillingTechnical dataDrilling drive - torque  

LB 28  9Double rotary drillingModel DBA 200Display for double rotary drilling*) Other drilling diameters available on request.Technical dataDrilling d