Deck Crane · Deck Cranes
The Kongsberg Maritime AS Knuckleboom Crane Subsea is an articulated offshore crane designed for handling loads between deck, sea surface and subsea work areas. Its knuckle-boom geometry allows the boom to fold and articulate, giving controlled outreach while reducing parked footprint compared with a simple fixed boom. The crane is mounted on the working deck and typically combines slew machinery, boom cylinders or drives, hoist winches, sheaves, load monitoring and remote controls. Subsea versions may include active or passive motion-compensation functions, constant-tension features or specialized winches depending on the ordered configuration. It differs from a general cargo crane because dynamic offshore lifting, wire management and subsea load control can be central design requirements. The exact safe working loads, outreach curves, sea-state limits and compensation settings are crane-specific; refer to the manufacturer documentation for the exact figure.
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What our service work and the manufacturer documentation say about keeping this model running.
Inspect boom structure, pedestal, pins, bushes, slew bearing, winches, sheaves, wire and hydraulic/electric drives. Verify lubrication and inspect hoses and cylinders for leakage or chafing. Function-test overload protection, limits, emergency stops, load indication and motion compensation where fitted before operational lifting. Proof loads, wire discard criteria, bolt loads and operating envelopes must follow the certified crane documentation.
Carry hydraulic filters, seal kits, selected hoses, solenoid/proportional valves, limit switches, load and position sensors, wire-rope lubrication products and common control components. Critical sheave bearings, winch brake parts and wire rope should be planned according to crane criticality and maker recommendations.
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