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HKS-250kN

Capstan · Anchor & Mooring Equipment

Class-certified type (DNV register) · technical data sheet not yet verified​‌⁠⁠‌​​⁠‍‍​​‌⁠⁠​‍‍​‌

Hatlapa HKS-250kN — Anchor & Mooring Equipment.

Specifications

Technical data.reference — unverified

Do you have the manufacturer datasheet for this model? Send it with the enquiry form — we check it and name the source.

Pull Force (kN)250
Inspection

Inspector Detail

Common issues

  • Hydraulic motor or gear unit leakage at shaft seals
  • Brake band/disc wear reducing holding capacity
  • Warp drum surface wear/scoring from wire chafing
  • Foundation bolt looseness from deck vibration
  • Control valve/lever linkage wear causing sluggish or erratic response
  • Drive shaft/gearbox bearing wear producing noise or play

Inspection checklist

  • Check the hydraulic system for leaks at motor, hoses and fittings
  • Test brake holding capacity against rated load where practicable
  • Inspect the warp drum surface for wear, cracks or sharp edges
  • Check foundation bolts and deck seating for tightness/corrosion
  • Verify gear oil level and condition in the gearbox
  • Test remote/local control response and emergency stop
  • Inspect mooring line guides and rollers for wear

Service intervals

Gear oil changetypically annually or per running hours per manufacturer manual
Hydraulic oil and filter changeannually, filter condition-based sooner
Brake band/disc inspectionannually, renewal condition-based
Grease drive bearings and pivot pointsper PMS, commonly every 1-3 months in service

Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.

Typical wear limits

Brake lining thicknessbauart-typical guide is renewal once thickness has reduced roughly by a third to half of new - confirm the exact figure against the Hatlapa manual before condemning

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

Critical spares

  • Hydraulic motor seal kit
  • Brake band/lining or disc set
  • Gearbox oil seals
  • Control valve seal kit
  • Drum bearing set

Safety

  • Rotating warp drum under load - keep hands and loose clothing clear during operation
  • Snap-back zone if a mooring line parts under tension
  • Hydraulic system stored pressure - relieve before opening fittings
  • Brake failure risk if maintenance intervals are skipped can allow uncontrolled payout under load

Class survey

Anchor and mooring winches/capstans fall under periodic class survey of deck machinery; surveyors check brake holding capacity, foundation integrity and SWL marking, with function tests typically at Annual/Intermediate/Special survey per class rules.

Estimated lifetime: Deck machinery of this type is typically designed for 20-25 years of shipboard service with periodic overhaul of wear parts (seals, brake linings, bearings) rather than a defined running-hour life, since duty cycles vary widely between vessels.

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