Ocean Driller

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The jacking mechanism consists of two manually operated crossheads per spudwell, to lock and unlock the spud from vertical movement.
All four spudwells are powered by one hydraulic power packs for simultaneously lifting and lowering the spud legs through its seating.

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The power pack is silenced, with a 70 kW air cooled diesel engine driving a flywheel mounted tandem pump. Manually controlled valves, well accessible with spare hydraulic connectors for either emergency use or for further use of hydraulic powered deck equipment.