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KS 45

Deck Crane · Deck Cranes

Technical data from manufacturer or class sources · not yet verified by a person

TTS Marine KS 45 — Container Crane - Optimized.

Specifications

Technical data.reference — unverified

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Safe Working Load45 tons
Slewing Range360 degrees unlimited
Inspection

Inspector Detail

Common issues

  • Wire rope wear/broken wires from repeated handling cycles, especially at drum and sheave contact points
  • Hydraulic cylinder seal leakage on the luffing/telescoping cylinders
  • Slew bearing wear/play causing increased backlash or noise during slewing
  • Load moment limiter sensor drift causing nuisance trips or, worse, a failure to trip at overload
  • Brake lining wear on hoist, luff or slew motors
  • Hydraulic hose chafing or failure from boom movement and weather exposure
  • Corrosion of structural boom/pedestal in way of drain holes and weld seams

Inspection checklist

  • Visual and dimensional inspection of wire ropes for broken wires, corrosion, diameter reduction
  • Function test of the load moment limiter/overload protection at rated load or a test weight
  • Check hydraulic system pressure settings against the manufacturer's data
  • Inspect slew bearing bolts for torque/looseness and check bearing play
  • Inspect brakes (hoist, luff, slew) for lining wear and correct holding torque
  • Visual inspection of boom, jib and pedestal structure for cracks, corrosion, deformation
  • Check limit switches (luffing, hoist up/down, slew) for correct operation
  • Inspect hydraulic hoses and fittings for leaks, chafing and correct routing
  • Confirm emergency stop and local/remote control changeover function

Service intervals

Wire rope inspectionbefore each use, detailed inspection quarterly
Proof load testevery 4-5 years, or per class/flag requirement, plus after major repair
Hydraulic oil samplingevery 6 months
Slew bearing bolt torque checkannually
Annual crane surveyannually, per class/statutory requirement

Typical wear limits

Wire rope diameter reductiondiscard when actual diameter is more than roughly 7% below nominal, or per the rope's discard criteria in the applicable standard - confirm against class/rope manufacturer table
Brake lining thicknessrenew below the manufacturer's stated minimum, or when holding torque at rated load is reduced - figure is model-specific

Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.

Critical spares

  • Wire rope (correct diameter/construction for the winch)
  • Hydraulic cylinder seal kits (luffing/telescoping)
  • Brake lining sets (hoist, luff, slew)
  • Load cell / load moment limiter sensor
  • Limit switches

Safety

  • Suspended load hazard - never work under a raised load or boom without mechanical support
  • Overload protection failure can lead to structural failure - the load moment limiter must be function-tested, not just visually checked
  • Hydraulic system stored pressure - depressurise and lock out before opening cylinders or hoses
  • A wire rope under tension can whip if it fails - keep clear of the bight during operation

Class survey

Cargo cranes require an annual thorough examination and a periodic proof load test (typically every 4-5 years) by a competent person/surveyor; class also reviews the load moment limiter function test, wire rope condition records and structural inspection findings.

Estimated lifetime: Deck cranes of this SWL class are typically designed for a structural service life of 15-20 years or a stated number of load cycles, with periodic proof load testing and renewal of ropes, seals and brakes throughout that life.

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