Liebherr LPS 420 E Portal Slewing Electric Crane
The all-electric LPS 420 E: universal all-rounder among portal slewing cranes ✔ key asset for handling every type of cargo ✔ Get to know more! The new LPS 420 E is the latest extension of the Liebherr mobile harbour crane product range. The newly designed machine is a purely electric driven portal crane. It is a universal all-rounder and a key asset for handling every type of cargo, from containers to bulk, general cargo and heavy lifts up to 124 t. The forward-looking machine is designed for ports and terminals with an electrical infrastructure. If you have any further questions, please contact our local sales or service team. Electric winch motors with precise and continuous drive characteristics
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
Visual daily inspection per ISO 4309:2017; caliper for diameter; magnetic inductive inspection (MRI) for suspected internal damage; inspection points: drum anchorage, loading, deflection over sheaves, loaded rope sections
Visual inspection for lubricant leakage; check seals for wear and contamination; vibration and temperature monitoring; overhaul by qualified Liebherr service with specialized equipment if needed
Drucktest (Pressure Test) gegen spezifizierte Solldrücke; Sichtprüfung auf Flüssigkeitsverluste; Ölprobenanalyse (Condition Monitoring); Funktionsprüfung aller Hubfunktionen (Heben, Schwenken, Luffing)
Visual surface inspection for surface cracks and deformation; NDT inspection (X-ray/MRI) at critical hooks for internal damage; load test: ~25% above rated load capacity; inspection of hook locking and wear marks
Surface rust and corrosion by visual inspection; NDT inspection (ultrasonic, X-ray) at critical welds; dimensional check of geometric tolerances; overhaul by Service Centre Steel with welding/structural analysis if required
Visual inspection of all electrical connections for corrosion in saltwater environment; functional test of overload protection and indicators; continuity test of critical circuits; lithium battery/accumulator condition check on electro-hydraulic systems
Type-general inspection and maintenance points for this equipment category — not model-specific.
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