Liebherr LTM 1090-4.2 Mobile Crane Operating Instructions Manual (BAL 27101-05-02)

Description

Liebherr LTM 1090-4.2 Mobile Crane Operating Instructions Manual — BAL 27101-05-02

This is the complete operating instructions manual for the Liebherr LTM 1090-4.2 mobile crane with telescopic boom. Published under BAL No. 27101-05-02 and copyright 2019, this document is the manufacturer’s own operating manual covering every system, procedure, and specification for the LTM 1090-4.2 crane chassis and crane superstructure. Whether you are operating, maintaining, inspecting, or repairing this 4-axle telescopic crane, this Liebherr LTM 1090-4.2 operating instructions manual is the single reference that ties the whole machine together.

File Details

• Manual Type: Operating Instructions
• Brand: Liebherr
• Model: LTM 1090-4.2
• Document Number: BAL 27101-05-02
• Language: English
• Page Count: Approximately 1,995 pages
• File Format: PDF
• Publication Year: 2019
• Manufacturer: Liebherr-Werk Ehingen GmbH

Chapters Covered

• 1. Description of crane — Terminology, product description, technical data, track pads
• 2. Safety — Traffic regulations, break-in instructions, job planning, technical safety instructions, ladders, signs on the crane, fall protection equipment, accesses to the crane, working in low temperatures, crane on floating body
• 3. Operation of crane chassis — Operating and monitoring instruments, before starting to travel, axle suspension system, travel operation, crane at the job site, towing the crane, trailer coupling, underride protection, crane and crane component transport
• 4. Operation of crane superstructure — Operating and monitoring instruments, LICCON computer system, start up and shut down of crane, safety equipment, crane operation, rope reeving, counterweight, working with a load, driving from the crane cab, crane operation freestanding, two hook operation, procedure for shut-off of crane movement
• 5. Equipment — Technical safety instructions for assembly and disassembly, folding jib TK, hose drum, winch 2, boom nose, special folding jib, hook blocks, Bluetooth Terminal (BTT), camera, wind speed sensor / airplane warning light, floodlight
• 6. Auxiliary equipment — Driver’s cab heater / engine preheating / air conditioning, crane operator’s cab heater / engine preheating / air conditioning, emergency control of support, emergency control, variable support
• 7. Maintenance and service — Maintenance and service general, service system, maintenance intervals for crane chassis, crane superstructure and crane boom, maintenance instructions for crane chassis, crane superstructure and crane boom, fill quantities, lubrication chart, operating fluids and lubricants
• 8. Inspections of cranes — Periodic crane inspections, inspecting of winches, inspection of crane wire ropes, load hooks, hydraulic hose lines, pneumatic brake system, ladders, weighing procedure for mobile cranes, inspection chart for cranes
• 90. Appendix — Preface to the appendix, update confirmation

The scope is genuinely comprehensive. The Liebherr LTM 1090-4.2 manual opens with full technical data — dimensions, lifting heights, axle loads, speeds, tire specifications, rope data, ballast configurations — then walks through every safety regulation that applies to this crane class, from traffic regulations and break-in instructions to working near transmitters and in thunderstorms. The chassis section covers the complete driving operation: the ZF TraXon automatic transmission, axle suspension system with hydro reservoir, level control, support procedures, trailer coupling, towing, and underride protection. The superstructure section is even deeper, covering the LICCON computer system, the set up program, crane operation program, telescoping program, working range limitation, and every onboard safety system. Then come the equipment chapters — folding jibs, winches, boom nose, hook blocks, the Bluetooth Terminal, camera system, and wind speed sensor — followed by auxiliary systems like cab heaters, emergency control of support, and variable support. The maintenance and inspection chapters alone run over 300 pages, with interval tables, lubrication charts, operating fluid specifications, and step-by-step inspection procedures for every component from wire ropes to brake discs.

What This Liebherr LTM 1090-4.2 Operating Instructions Manual Enables

This is not a generic crane guide. It is the model-specific operating instructions for the Liebherr LTM 1090-4.2, meaning every procedure, torque value, fluid capacity, and safety instruction is written for this exact machine. The manual covers both crane chassis and crane superstructure in full detail, so a single technician can move from driving the crane to the job site, through support and setup, into crane operation, and back through shutdown, maintenance, and inspection — without needing a different document for each phase.

For operators, the LTM 1090-4.2 operating manual lays out the complete LICCON computer system operation: the set up program, crane operation program, telescoping program, working range limitation, and the support force monitoring program. It explains the overload protection, the hoist limit switch, and the emergency control procedures in step-by-step detail. For maintenance teams, the maintenance intervals chapters give exact service schedules for the crane chassis, superstructure, and boom — including engine oil change intervals, hydraulic filter replacement, gear oil specifications for the ZF TraXon transmission and the slewing gear, and the complete lubrication chart. The inspection chapters cover periodic crane inspections, winch inspection, wire rope inspection with removal criteria, load hook inspection, hydraulic hose inspection, and brake system inspection — all with the measurement values and tolerances printed directly from the manufacturer.

Safety content is threaded throughout the Liebherr LTM 1090-4.2 PDF. The manual covers load charts, support procedures, wind speed limits, working near power lines, two-crane lifts, and the full range of warning and caution notes that Liebherr applies to this crane. It also documents the LICCON overload protection system — how it works, how to test it, and how to handle shut-off conditions — which is critical for any technician diagnosing a crane that has gone into overload protection.

Maintenance and Service Coverage

The maintenance and service chapter of this LTM 1090-4.2 operating instructions PDF is effectively a workshop manual in its own right. It covers the diesel engine (D 946 A7 series) with oil change procedures, cooling system service, air filter replacement, fuel system maintenance including the fuel preliminary filter and water manifold, the urea system for exhaust aftertreatment, and the diesel particle filter regeneration procedures. The transmission section covers the ZF TraXon automatic transmission oil level checks and oil changes, the distributor gear, and the travel drive. Axle and steering maintenance is covered down to wheel hub oil levels, king pin greasing, and track alignment. The crane superstructure maintenance section covers the central lubrication system, slewing ring connection lubrication, slewing gear oil changes, hoist gear and hoist gear brake service, and the hydraulic system with filter replacement procedures. The crane boom maintenance section covers telescopic boom lubrication through the grease sprayer, rope pulley inspection, and crane rope maintenance.

The inspections chapter is equally detailed. The periodic crane inspections chapter provides an inspection chart with test points for the entire crane structure, including steel structures, welding seams, locking systems, safety ropes, and anchor points. The wire rope inspection chapter covers removal criteria, broken wire counting, rope diameter measurement, corrosion classification, and the full checklist for documenting rope condition. The load hook inspection chapter covers distortion, surface cracks, wear, corrosion, and hook nut assembly. The hydraulic hose inspection chapter covers damage assessment, leak inspection, and replacement intervals. The brake system inspection covers brake pad and brake disc measurement, wear limits, and performance testing.

Why This Manual Matters

The Liebherr LTM 1090-4.2 is a 4-axle mobile crane with a 60-meter telescopic boom and up to 22.5 tonnes of counterweight. Operating it safely and maintaining it correctly requires manufacturer-level data that simply is not available in generic crane references. This operating instructions manual provides the exact tire pressures, the exact hydraulic oil specifications, the exact torque values for counterweight bolts, the exact wire rope removal criteria, and the exact LICCON overload protection procedures. Without this document, a technician is guessing — and on a crane this size, guessing is not an option.

The manual is also valuable for anyone setting up or operating the crane’s LICCON computer system. The set up program, crane operation program, and telescoping program each have their own chapter with screen-by-screen instructions. The Bluetooth Terminal (BTT) gets its own 75-page section covering every menu and function. The camera system, wind speed sensor, and airplane warning light are all documented with assembly procedures and electrical connection diagrams. For a crane this complex, having the manufacturer’s own operating instructions available as a PDF is the difference between a properly configured crane and a crane that is guessing at its own setup.

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This Liebherr LTM 1090-4.2 operating instructions manual is delivered as an instant PDF download. There is no shipping, no waiting, and no physical book to lose. The PDF works on any device — laptop, tablet, or smartphone — and every page is printable, so you can print the sections you need for the workshop, the job site, or the crane cab. Whether you are an operator, a maintenance technician, a fleet manager, or an equipment dealer, this manual gives you the manufacturer’s own procedures, specifications, and safety instructions for the Liebherr LTM 1090-4.2 telescopic boom mobile crane.