Deck Crane · Deck Cranes
Palfinger Marine PKM 1450 — Deck crane for cargo, provision, service, pipe handling, offshore vessel.
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“PALFINGER MARINE knuckle boom cranes are designed to lift high loads with extended jib and provide the operator with great flexibility during lifting operations. The knuckle boom crane range is…”
| Wire rope inspection | monthly visual; thorough inspection every 3 months |
|---|---|
| Hydraulic oil and filter change | per the manufacturer's maintenance schedule, typically every 2000-4000 running hours or annually - confirm against the Palfinger manual |
| Load/proof test | every 4-5 years or per class/flag requirement |
| Annual thorough examination (statutory) | annually |
| Slew bearing and pin greasing | weekly to monthly depending on duty cycle |
| Wire rope diameter reduction (discard criterion) | typically discarded at around 7-10% reduction from nominal diameter, or per broken-wire count over one rope lay length - confirm against the rope certificate and class rules |
|---|---|
| Slew bearing radial/axial play | manufacturer-specific maximum in the crane manual - do not assume a generic mm figure |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Deck cranes are subject to annual thorough examination and periodic (4-5 yearly) load/proof testing under class or flag lifting appliance rules. Surveyors check LMI function test records, wire rope certificates/discard records, and structural condition of boom and pedestal welds; NDT of highly stressed areas may be requested at extended intervals.
Estimated lifetime: structural/mechanical design life commonly in the order of 20,000-40,000 operating hours or per class type approval - indicative only, verify against PKM 1450 documentation
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