The Liebherr LTM 1150-5.3 Mobile Crane works hard on sites where setup time, roadability, and lift planning all have to line up. When something stops talking to the rest of the machine, the first person grabbing the BMK is usually the tech with a meter in one hand and a laptop in the other. On my side of the counter, clear component identification is what saves hours of hunting for “that relay somewhere in the superstructure.” This BMK and Technical Information manual for SN 079709 is built exactly for that sort of job, not for step‑by‑step repairs.
What this manual helps you do
- Identify where specific electrical or hydraulic components sit on the carrier or superstructure using Liebherr’s reference designators.
- Locate items from wiring diagrams (like “K15” or “X45”) on the actual LTM 1150-5.3 crane without guesswork.
- Trace harness runs and junction points visually so you can plan access before you start stripping panels.
- Cross-reference a component’s BMK code to other Liebherr documents such as wiring diagrams or service instructions.
- Find and match components during fault-code diagnosis or when training new techs on the layout of this crane.
Who this is for
This suits a workshop technician, field service tech, electrical diagnostic engineer, fleet mechanic, or training instructor who already has or uses other Liebherr literature. If you need repair procedures, torque specs, or part numbers, you’re after a service manual or parts catalogue instead, not this BMK component identification manual.
FAQ
Q: Is the PDF clear and searchable?
A: The diagrams are prepared for screen viewing and zooming, and text is typically searchable so you can jump to BMK codes quickly.
Q: Does it cover both carrier and superstructure?
A: Yes, this Technical Information & BMK manual covers component identification on both the carrier and the superstructure for the LTM 1150-5.3.
Q: Does it work with wiring diagrams and parts books?
A: Yes, the BMK is meant to be used alongside Liebherr wiring diagrams, hydraulic schematics, service manuals, and parts catalogues by tying their reference IDs to physical locations.
Bottom line: If your problem is “Where exactly is this component on the crane?” this is the right manual. If your problem is “How do I repair or order it?” this is not the one you need.
📘 Show Index
Table of Contents:
Carrier — Table of Contents
- Table of contents
- Chassis:
- View from front, lighting and mirror
- View rear, lighting
- Vehicle lighting right
- Vehicle lighting left
- Warning signal sensor, air pressure connection / front
- Trailer coupling*, air pressure connection, warning signal sensor / rear
- Plug connection, voltage converter
- Earth- and distributor connector in the wiring loom – W7
- Earth- and distributor connector in the wiring loom – W6
- Control elements
- BTB, remote control module – BTT
- Control elements centre console
- Driver cab:
- Doors and windows, interior lighting
- Screen wiper and – washer
- Heating – ventilation and heat exchanger
- Air-conditioner
- Wiring loom – back-up camera, radio
- Centre console – battery, main switch, fuse box
- Center console – I/O modules, BTB
- Centre console – fuses
- Centre console – relay
- Centre console – relay
- Centre console – voltage converter, activation heating flange
- Centre console – control unit ABV, components
- Centre console – fan, component carrier, Emergency STOP
- Centre console – diagnosis plug
- Telemetry FMS-interface
- Pneumatic system:
- Air compressor and air dryer
- Compressed air reservoir
- Pneumatic valves in the driver cab
- Brake relay- and overload protection valve
- Filter and overflow valve, measuring points compressed air circuits
- Solenoid valve for auxiliary consumer
- Pressure sensors and pressure switches
- Monitoring parking brake
- Disk brake system:
- Overview – brake system
- Overview – brake pad monitoring
- Brake pad monitoring display
- ABV control valve
- ABV wheel speed sensors
- Hill start assist
- Drive assembly:
- Installation view
- Diesel engine – installation
- Diesel engine D946 A7 -03 (eAGR) 04 (SCR) / -05 (SCRF):
- Engine control unit
- Overview injection side
- Fuel pumps
- Fuel low pressure sensors
- Liebherr diesel injection system Daisy Chain
- Injectors LCR-I S2
- Type plates:
- Overview exhaust gas side
- Charge air sensors and charge air preheating
- Exhaust gas flap
- Exhaust gas turbo charger with wastegate
- Overview flywheel side and generator
- Speed sensors
- Overview fan side
- Coolant, temperature sensor coolant and ambient temperature
- Oil circuit
- Terminal resistor CAN-LIDEC (ECU-CAN2)
- Terminal resistor engine-CAN (ECU-CAN2)
- External exhaust gas return eAGR
- Intercooler temperature sensor
- Exhaust gas system – exhaust after treatment SCRonly:
- Overview
- AdBlue-injector and upstream-sensors
- Downstream sensors
- Overview
- AdBlue-injector and upstream-sensors
- Downstream sensors
- Urea tank and urea tank sensor
- Pump module and AdBlue-lines
- Air filter system:
- Air filter-vacuum, air flap
- Diesel fuel system:
- Cooling system:
- Cooler – fan drive, level sensor
- Automatic shift gearbox to 079365:
- ZF TraXon 12 TX 2611 SO (intarder 3)
- ZF TraXon Intarder 3, clutch actuation unit (ConAct)
- Automatic shift gearbox from 079366:
- ZF TraXon DynamicPerform 12 DX 2611 SO – gearbox control
- ZF TraXon DynamicPerform 12 DX 2611 SO – Intarder
- ZF TraXon DynamicPerform 12 DX 2611 SO – wet starting clutch
- Hydraulic:
- Temperature sensor hydraulic oil, hydraulic oil tank
- Hydraulic pumps – overview
- Fan valve, pretension centering pressure
- Drive train:
- Overview
- Distribution gearbox Kessler VG 2700 (two stage)
- Road-/ offroad gear – switching
- Travel drive / crane drive (PTO) – switching
- Crane drive
- Transverse differential lock axle 1, longitudinal differential lock distribution gear
- Transversal differential lock axle 2, activation axle 1*
- Long. and transv. differential lock axle 4 and 5
- Transverse differential lock axle 5
- Steering:
- Steering from superstructure
- Steering gear ZF-Servocom
- Oil supply steering circuit 1, deficiency monitoring
- Oil supply steering circuit 2
- Active rear axle steering:
- CAN-Valves (HAWE)
- Control block
- Valve block
- Oil filter
- Angle sensor
- Steering- and centering cylinder, safety valves
- Support:
- Inclination sensor
- Support valves – right
- Support valves – left
- Extension cylinder
- Sliding beam monitoring
- Support cylinder
- Monitoring support pressure
- Axle suspension:
- Level sensor- axle suspension
- Valve block – axle suspension right
- Valve block – axle suspension left
- Switch over diaphragm reservoir*
- Special equipment:
- Brake force reduction axle 1 and 2
- Brake force reduction axles 3 to 5
- Eddy currant brake Telma Focal 2200*
- Additional heating – Thermo Pro 90
- Additional heating – Air Top 2000 ST*
- Additional heating – engine pre-heating*
- External power supply
- Back-up camera*
- Battery charger
- Hydraulic emergency control
- Attachment:
- Index
- Limitation of liability / Disclaimer
Liebherr Crane
