Offshore Crane · Deck Cranes
NOV (National Oilwell Varco) NOV OC 250t is a offshore crane. It is mounted on a reinforced pedestal or foundation on the vessel's working deck or offshore handling area. Its purpose is to lift and position stores, cargo, equipment or offshore loads within the crane's approved operating envelope. The crane integrates slewing, luffing, hoisting, brakes, controls and structural load paths, with hydraulic or electric drive depending on the installed model. The exact model designation and the listed lifting capacity distinguish safe working load, outreach and drive arrangement from neighboring cranes; refer to the manufacturer documentation for the exact figure.
What our service work and the manufacturer documentation say about keeping this model running.
Inspect wire ropes, hooks, sheaves, pins, brakes, winches, hydraulic equipment, slew arrangement and structural foundations. Lubricate specified points and examine hoses and cylinders for leakage or chafing. Function-test controls, emergency stop, limit devices and overload protection according to the approved procedure. Inspect high-load welds and pedestal areas for corrosion, cracking or deformation. Verify hook safety devices and reeving condition before lifting. Refer to the manufacturer documentation for the exact figure for inspection intervals, wire-rope criteria, test loads and allowable wear.
Keep hydraulic seals and hose consumables where applicable, control switches or sensors, brake parts, sheave or bearing components and manufacturer-recommended electrical or lubrication items. Critical hooks, ropes and overload components must remain within the approved configuration. Heavy structural and slew-bearing parts are normally strategic spares.
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