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Liebherr Crawler Crane with lattice mast LR 1750 Operating Instructions Manual 12812-14-02 – PDF DOWNLOAD
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Liebherr Crawler Crane with lattice mast LR 1750 Operating Instructions Manual 12812-14-02 – PDF DOWNLOAD
Category: Liebherr
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Description
Liebherr Crawler Crane with lattice mast LR 1750 Operating Instructions Manual 12812-14-02 – PDF DOWNLOAD
FILE DETAILS:
Liebherr Crawler Crane with lattice mast LR 1750 Operating Instructions Manual 12812-14-02 – PDF DOWNLOAD
Language : English
Pages : 1824
Downloadable : Yes
File Type : PDF
IMAGES PREVIEW OF THE MANUAL:

DESCRIPTION:
Liebherr Crawler Crane with lattice mast LR 1750 Operating Instructions Manual 12812-14-02 – PDF DOWNLOAD
Foreword:
General:
- This crane was built according to the state of technology and recognized safety technical regulations.
Despite that, dangers to body and life for the user and / or third persons or damage to the crane and /
or other material assets can occur. - This crane may only be used in flawless technical condition and according to its mission as well as
with constant awareness of safety and dangers. Any problems, which could affect safety must be
fixed immediately. - Modifications on the crane may only be made with written approval by Liebherr-Werk Ehingen Gm
Operating instructions:
- These operating instructions are intended to put you in a position to operate the crane safely and
utilize the reliable usage options that it provides. The instructions also provide information about the
function of important components and systems. - Certain expressions are used in these operating instructions. In order to avoid misunderstandings, the
same expressions should always be used. - These operating instructions have been translated to be best of one’s knowledge. Liebherr-Werk
Ehingen GmbH assumes no liability for translation errors. The German version of these operating
instructions is solely applicable for factual accuracy. If you find any errors or if any misunderstandings
arise when reading these operating instructions, please contact Liebherr-Werk Ehingen GmbH
immediately.
TABLE OF CONTENTS:
Liebherr Crawler Crane with lattice mast LR 1750 Operating Instructions Manual 12812-14-02 – PDF DOWNLOAD
Operating instructions........................................................................... 1 1.00 Description of crane.................................................................... 21 1.01 Terminology......................................................................... 22 1 Components......................................................................... 23 2 Boom systems....................................................................... 27 1.02 Product description................................................................. 34 1 Crawler travel gear................................................................ 35 2 Crane superstructure............................................................... 35 3 Auxiliary equipment................................................................ 36 1.03 Technical data...................................................................... 38 1 Dimensions and weights............................................................. 39 2 Lifting equipment.................................................................. 71 3 Ground pressure.................................................................... 72 4 Workplace-related emission value................................................... 72 5 Vibrations......................................................................... 72 6 Crane speeds....................................................................... 72 7 Ropes.............................................................................. 73 2.00 Safety.................................................................................. 75 2.03 Job planning........................................................................ 76 1 Crane operation planning........................................................... 77 2.04 General safety technical guidelines................................................. 78 1 General............................................................................ 79 2 Emergency exit..................................................................... 87 3 Checking the rigging and fastening points.......................................... 91 4 Personal protective equipment...................................................... 93 5 Use of single-stranded height safety equipment, illustration 1..................... 99 6 Use of double-stranded height safety equipment, illustration 2..................... 99 7 Securing the assembly personnel against falling.................................... 99 8 Rescuing the assembly personnel.................................................... 101 9 Documentation...................................................................... 101 10 Identification.................................................................... 101 11 Requirements for the crane operator............................................... 101 12 Selecting the location, illustrations 1 to 3...................................... 107 13 Slopes and excavations, illustrations 4 and 5..................................... 110 14 Permissible ground pressures...................................................... 110 15 Supporting........................................................................ 115 16 Checking the safety measures...................................................... 116 17 Endangering air traffic........................................................... 116 18 Grounding......................................................................... 116 19 Consideration of wind conditions.................................................. 117 20 Working in the vicinity of transmitters........................................... 127 21 Dangers when working together with several cranes................................. 129 22 Hand signals for guidance......................................................... 130 23 Crane operation with a load....................................................... 137 24 Lifting of personnel.............................................................. 140 25 Crane operation in case of thunderstorms.......................................... 141 26 Safety notes for external power feed (100 V AC to 400 V AC)....................... 141 27 Welding work on the load.......................................................... 142 28 Interruption of crane operation................................................... 143 29 Resumption of crane operation..................................................... 144 30 Ending crane operation............................................................ 144 31 Turning / driving in reverse...................................................... 145 32 Parking the vehicle............................................................... 145 33 Safety guidelines for ladders..................................................... 149 2.05 Signs on the crane.................................................................. 156 1 Warning signs...................................................................... 157 2 Command and prohibition signs...................................................... 161 3 Notice signs....................................................................... 163 2.15 General safety technical notes for operation with ballast trailer................... 165 1 Safety guidelines.................................................................. 167 2 Inspection of tires and disk wheels................................................ 168 3.00 Crane assembly.......................................................................... 171 3.01 Crawler carrier assembly............................................................ 172 1 Component overview crawler travel gear............................................. 173 2 Dimensions and weights............................................................. 173 3 Assembling the crawler center section.............................................. 175 4 Assembling / removing the crawler carrier with auxiliary crane..................... 183 5 Assembling / disassembling the crawler carrier with SA-bracket..................... 203 6 Disassembling the crawler center section........................................... 223 3.02 Turntable assembly.................................................................. 230 1 Transport weights and fastening points on the turntable............................ 231 2 Installing the turntable........................................................... 233 3 Removing the turntable............................................................. 245 3.03 Central ballast..................................................................... 250 1 Components......................................................................... 251 2 Central ballast combinations....................................................... 253 3 Permissible central ballast assemblies............................................. 253 4 Installing the central ballast..................................................... 255 5 Removing the central ballast....................................................... 267 3.04 Mechanical auxiliary support........................................................ 276 1 General notes...................................................................... 277 2 Mechanical auxiliary support variant 1............................................. 279 3 Mechanical auxiliary support variant 2............................................. 283 3.05 Crane support....................................................................... 286 1 Component overview Crane support................................................... 287 2 Operating elements support control unit............................................ 291 3 Installing the crane support....................................................... 295 4 Supporting the crane via the support control unit.................................. 301 5 Supporting the crane from the crane operator's cab................................. 315 6 Removing the crane support......................................................... 331 3.06 Assembly conditions................................................................. 336 1 Assembly conditions for crane operation............................................ 337 2 Erection and take down of boom systems in crane operation on supports.............. 339 3.07 Assembly hoist winches.............................................................. 341 1 Component overview................................................................. 343 2 Dimensions and weights............................................................. 343 3 Assembling winch 1................................................................. 345 4 Removing winch 1................................................................... 353 5 Assembly and disassembly of winch 1................................................ 357 3.10 Assembly of SA frame................................................................ 358 1 Component overview SA-frame........................................................ 359 2 Attachment points SA-frame......................................................... 359 3 Assembling SA-frame................................................................ 361 4 Disassembling SA-frame............................................................. 369 4.00 Operation of crane superstructure....................................................... 379 4.01 Operating and control instruments on the crane superstructure....................... 380 1 Operating and control instruments.................................................. 381 2 Equipment in the cab............................................................... 381 3 Control units in the cab........................................................... 383 4.02 LICCON computer system.............................................................. 418 1 General............................................................................ 419 2 LICCON computer system boot up..................................................... 423 3 Operating elements of the LICCON computer system on monitor 0...................... 427 4 The set up program................................................................. 429 5 The crane operation program on monitor 0........................................... 453 6 Operating elements of the LICCON computer system on monitor 1...................... 515 7 The crane operation program on monitor 1........................................... 517 8 The support program................................................................ 555 9 The working range limitation program*.............................................. 569 10 The control parameter program..................................................... 573 11 The engine monitoring program..................................................... 581 4.03 Crane start up and taking the crane out of service.................................. 588 1 Checks before start up............................................................. 589 2 Work station - Crane operator's cab................................................ 597 3 Starting and stopping the engine................................................... 605 4 LICCON computer system after engine start.......................................... 615 5 Adjusting the winches.............................................................. 619 6 Load weighing and load display..................................................... 623 4.04 Safety equipment.................................................................... 628 1 Prerequisites for crane operation.................................................. 629 2 Overload protection of LICCON computer system...................................... 629 3 Wind warning device................................................................ 633 4 Hoist limit switch “Hoist top”..................................................... 633 5 Limit switch winch spooled out..................................................... 635 6 EMERGENCY OFF button............................................................... 637 7 Control release.................................................................... 637 8 Hydraulic safety valves............................................................ 637 9 Limit switch....................................................................... 639 10 Angle sensor...................................................................... 641 11 Test brackets (KMD = force test box).............................................. 641 12 Bypassing the safety devices...................................................... 643 4.05 Crane operation..................................................................... 646 1 LICCON computer system............................................................. 647 2 Winch and master switch assignment to operating modes.............................. 647 3 Carrying out crane movements....................................................... 649 4.06 Rope reeving........................................................................ 678 1 Wire ropes and rope end connections................................................ 679 2 Reeving the hook block in and out.................................................. 681 3 Securing and removing the load hook*............................................... 689 4 Attaching / removing the hoist limit switch weight................................. 693 5 Assembling / disassembling the wedge lock.......................................... 697 6 Rope reeving....................................................................... 697 4.07 Counterweight....................................................................... 698 1 Components......................................................................... 699 2 Counterweight combinations......................................................... 701 3 Permissible counterweight assemblies............................................... 703 4 Installing the counterweight....................................................... 705 5 Removing the counterweight......................................................... 715 4.08 Working with a load................................................................. 724 1 Safety technical instructions for working with a load.............................. 725 2 Checks before starting to work with the crane...................................... 726 3 Crane movement - Telescoping....................................................... 727 4 Taking on a load................................................................... 729 5 Crane operation.................................................................... 735 4.10 Driving from the crane operator's cab............................................... 737 1 Prerequisites for crawler operation................................................ 739 2 Driving the crawler crane.......................................................... 753 4.12 Two hook operation.................................................................. 768 1 General............................................................................ 769 4.15 Reeving plans....................................................................... 774 1 Reeving plans...................................................................... 775 5.00 Equipment............................................................................... 777 5.01 Safety technical guidelines for assembly and disassembly............................ 778 1 Checking the retaining elements.................................................... 779 2 Rope pulleys....................................................................... 779 3 Checking the ropes................................................................. 779 4 Control measures................................................................... 780 5 Dangerous conditions without shut off.............................................. 782 6 Transporting components............................................................ 782 7 Pneumatic springs for assembly support of components............................... 783 8 Manual rope winches for assembly support of components............................. 783 9 Weights............................................................................ 784 10 Guy rods.......................................................................... 784 11 Bypassing the overload protection................................................. 787 12 Assembly / disassembly............................................................ 791 13 Erection / take down.............................................................. 822 5.02 SA-bracket.......................................................................... 824 1 SA-frame........................................................................... 825 5.03 Boom systems........................................................................ 830 1 Boom components.................................................................... 831 2 Arrangement of intermediate sections on the boom................................... 831 3 Auxiliary guying................................................................... 835 5.05 D-boom.............................................................................. 838 1 Components and fastening points.................................................... 839 2 Assembly........................................................................... 841 3 Disassembly........................................................................ 869 5.07 SW/SDW boom combination............................................................. 882 1 Component overview W-boom system................................................... 883 2 Weights W-transport units.......................................................... 883 3 Fastening points components W-system............................................... 883 4 Assembling the W-boom system....................................................... 885 5 Operating the crane................................................................ 921 6 Disassembling the W-boom system.................................................... 923 7 W-lattice jib in operating mode S6D2WB (only for LG 1750).......................... 945 5.08 WV lattice jib...................................................................... 946 1 WV-lattice jib..................................................................... 947 2 Assembling the WV-boom system...................................................... 951 3 Operating the crane................................................................ 963 4 Disassembling the WV-boom system................................................... 965 5 WV-lattice jib in operating mode S6D2WVB (only for LG 1750)........................ 975 5.10 Boom nose lattice boom.............................................................. 976 1 Installing the boom nose 60 t on the boom.......................................... 977 2 Boom nose 60 t on S-end section.................................................... 981 3 Boom nose 60 t on the L- / W-end section........................................... 983 4 Boom nose 60 t on the SW-adapter................................................... 985 5 Lifting the boom off the ground.................................................... 987 6 Establishing the electrical connections............................................ 987 7 Checking the function of the safety devices........................................ 988 8 Erecting the boom.................................................................. 991 9 Operating the crane................................................................ 997 10 Disassembling the 60 t boom nose.................................................. 999 5.19 Hook blocks.........................................................................1008 1 Minimum required hook block weight.................................................1009 2 Procedure in case of slack rope....................................................1012 3 Hook block overview................................................................1015 4 Installing a double hook block for single operation................................1017 5 Installing a double hook block for parallel operation..............................1027 6 Single hook blocks.................................................................1039 5.30 Pin pulling device..................................................................1046 1 Pin pulling device.................................................................1047 5.35 Derrick ballast - Ballast trailer...................................................1050 1 Component description and general notes............................................1051 2 Permissible ballast assemblies.....................................................1057 3 Assembling the ballast trailer.....................................................1059 4 Setting the ballast trailer radii..................................................1087 5 Steering programs..................................................................1091 6 Driving with the ballast trailer...................................................1109 7 Crane operation with derrick ballast...............................................1121 8 Disassembling the ballast trailer..................................................1141 9 Emergency operation with a defective CPU...........................................1155 10 Maintenance intervals for the ballast trailer.....................................1163 11 Maintenance.......................................................................1165 12 Fill quantities...................................................................1167 13 Lubrication chart.................................................................1169 5.36 Derrick ballast - Suspended ballast.................................................1170 1 Description and component overview.................................................1171 2 Assembly...........................................................................1173 3 Crane operation with derrick ballast...............................................1199 4 Crawler operation with derrick ballast.............................................1217 5 Disassembly........................................................................1219 5.38 S/SL-boom...........................................................................1230 1 Component overview S-/SL-boom......................................................1231 2 Fastening points S-/SL-components..................................................1231 3 Assembling the S/SL boom...........................................................1233 4 Operating the crane................................................................1277 5 Disassembling the S/SL boom........................................................1279 5.39 LD/SLD/SD-boom combination..........................................................1296 1 Component overview S-pivot section.................................................1297 2 Fastening points...................................................................1297 3 Assembling the SLD/SD-boom.........................................................1299 4 Operating the crane................................................................1373 5 Disassembling the SLD/SD-boom......................................................1375 5.42 Auxiliary jib.......................................................................1388 1 Component overview.................................................................1389 2 Assembling the auxiliary jib.......................................................1391 3 Operating the crane................................................................1405 4 Two hook operation.................................................................1407 5 Disassembling the auxiliary jib....................................................1409 5.43 SLK boom............................................................................1410 1 Components.........................................................................1411 2 Assembly...........................................................................1417 3 Crane operation....................................................................1439 4 Disassembly........................................................................1441 5.61 Pulley cart.........................................................................1454 1 Components of pulley cart..........................................................1455 2 Installing / removing the roller cart from W-boom head.............................1457 3 Installing / removing the pulley cart on the adapter for the auxiliary jib.........1459 6.00 Additional equipment....................................................................1463 6.01 Heater / engine pre-heating.........................................................1464 1 Heating the crane operator's cab...................................................1465 6.05 Emergency take-down.................................................................1472 1 Emergency operation................................................................1473 2 Emergency operation with assembly plate Variation 1 (V1)...........................1479 3 Emergency operation of slewing gear(s) with assembly plate Variation 1 (V1)........1485 4 Emergency operation with assembly plate(s) Variation 2 (V2)........................1489 5 Emergency operation slewing gear(s) with assembly plate(s) Variation 2 (V2)........1499 6 Emergency operation of winch 4 (W IV) on the LR1600/2 and LR1600/2-W...............1503 7 Ending emergency operation.........................................................1507 6.08 Radio remote control................................................................1508 1 Radio transmitter..................................................................1509 2 Remote operation...................................................................1509 3 Pin points.........................................................................1511 4 Operation..........................................................................1513 7.00 Service and maintenance.................................................................1515 7.01 Maintenance and service - General...................................................1516 1 Liebherr Service...................................................................1517 2 General specifications.............................................................1517 3 Cleaning and care of the crane.....................................................1518 4 Measures for work interruption or transport........................................1519 5 Maintenance work on gear components................................................1519 6 Maintenance work on the crane superstructure or boom...............................1520 7 Maintenance and inspection guidelines..............................................1521 7.02 Maintenance intervals Crawler chassis, ballast trailer..............................1525 1 Crane chassis maintenance and inspection schedule..................................1527 2 Ballast trailer maintenance and inspection schedule................................1531 7.03 Maintanance intervals - Crane superstructure........................................1533 1 Crane superstructure maintenance and inspection schedule...........................1535 7.04 Maintenance guidelines - Crane chassis..............................................1544 1 Servicing the travel gear..........................................................1545 2 Servicing the central lubrication system of the crawler carrier....................1553 3 Servicing the track chain..........................................................1561 7.05 Maintenance guidelines - Crane superstructure.......................................1572 1 Crane engine.......................................................................1573 2 Pump distributor gear..............................................................1577 3 Hydraulic system...................................................................1579 4 Slewing ring connection............................................................1585 5 Central lubrication system.........................................................1587 6 Hoist gear 1 to 6, illustration 1..................................................1595 7 Assembly winch, illustration 2.....................................................1597 8 Slewing gear.......................................................................1599 9 Air dryer of the compressed air system of the crane superstructure.................1601 10 Electrical system - Lighting......................................................1601 7.06 Fill quantities, lubrication schedule...............................................1604 1 Fill quantities....................................................................1605 2 Lubrication schedule...............................................................1609 7.07 Service fluids and lubricants.......................................................1622 1 Specified service items and lubricants for Liebherr cranes.........................1623 7.15 Procedure in case of problems.......................................................1631 1 Procedure to follow in case of a problem...........................................1633 2 Measures in clear problem cases....................................................1637 3 Carrying out an error diagnostics..................................................1647 4 Measures for defective components..................................................1649 8.00 Inspections of cranes...................................................................1651 8.01 Periodic crane inspections..........................................................1652 1 General............................................................................1653 2 Inspection of carrying crane structures, especially steel structures...............1654 3 Inspection of tires and disk wheels................................................1727 4 Inspecting the hoist and retracting winches........................................1729 5 Inspecting load hooks..............................................................1741 6 Inspection of the rope feed mechanism in the telescopic boom.......................1741 7 Inspection of locking system of telescopic boom....................................1743 8 Inspection of retaining ropes and anchor points....................................1745 9 Inspection of membrane accumulator.................................................1747 10 Inspection of relapse cylinders...................................................1748 11 Inspection of the safety controls on the relapse cylinders........................1748 12 Inspection of rope pulleys........................................................1748 13 Inspecting the function of the overload protection................................1749 14 Inspecting the roller slewing ring connection.....................................1749 15 Inspection of the mounting of the load bearing equipment..........................1749 16 Inspection of the tele extension with eccentric, illustration 1...................1751 17 Inspection of change over pulleys, illustration 2.................................1751 18 Inspection of the oil and fuel reservoirs.........................................1751 19 Inspection of the auxiliary reeving winch, recovery winch and spare gear winch....1751 20 Appendix..........................................................................1752 8.04 Inspection of crane wire ropes......................................................1762 1 Introduction.......................................................................1763 2 Wire rope..........................................................................1763 3 Operating behavior of steel ropes..................................................1769 4 Condition of equipment that is functionally associated with the rope...............1770 5 Rope inspection log................................................................1770 6 Rope storage and marking...........................................................1770 7 Wire ropes and rope end connections................................................1770 8 Twisting caused by stretching in rotation-resistant ropes and its remedy...........1775 9 Appendix 1.........................................................................1779 10 Appendix 2........................................................................1781 11 Appendix 3........................................................................1783 12 Appendix 4........................................................................1783 8.12 Inspection of safety switching on the relapse supports..............................1786 1 S-boom relapse retainer............................................................1787 2 Derrick relapse retainer...........................................................1789 3 W-lattice jib......................................................................1791 8.14 Inspection of accumulator pressure in relapse cylinder..............................1798 1 Checking jib stop cylinder pressure................................................1799 8.15 Inspection and maintenance of guy rods..............................................1800 1 General............................................................................1801 2 Repeat inspection of guy rods......................................................1801 9.00 General notes...........................................................................1803 9.02 Supplementary service work..........................................................1804 1 Checks before start up.............................................................1805 2 Repair and maintenance tasks.......................................................1805 3 Important servicing................................................................1805 4 Maintenance notes for replacement parts............................................1806 5 Recommendations for travel operation...............................................1806 6 Disposal of fuels and greases......................................................1806 90.00 Appendix...............................................................................1807 90.01 Foreword to appendix...............................................................1808 1 Preface............................................................................1809 90.05 Update confirmation................................................................1810 1 Update confirmation................................................................1811 2 Customer information...............................................................1811 Index........................................................................................1813
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