Crane 2 Luffing gearbox Change out

Intro / summary

ALATAS Turkey engineer attended to the vessel to detect any malfunction and Change out solutions.

Background

The customers asked help for with inspection to find if there was any trouble with the gearbox of the crane

Alatas’ Solution

The new gearbox was transferred to the crane.

job scope

  • Crane 1 BOOM REPAIR
  • Tool Box Talk
  • Secure jib in rest
  • NDT pad eyes on boom
  • Check Parts
  • Check Equipment
  • Remove
    • crane jib and place in lay down area
    • heel pin/s
    • Main Hoist Limits
    • Luffing Hoist Limit
    • Main Hoist Dead End
    • Luffing Hoist Rope Dead End
    • Luffing Hoist Wire Rope
    • Main Hoist Rope
  • Install Luffing Hoist Dead End
  • Rig up crane jib
  • Inspection of steel structure
  • Install
    • Main Hoist Dead End
    • Heel Pins
    • New Luffing Hoist Rope
    • Luffing Hoist Limits
    • Set Main Hoist Limits
    • New Main Hoist Rope
  • Load Test
  • Hold load for 5 minutes
  • Cut out steel material as per repair procedure
  • NDT test all welds as per the repair procedure
  • Tack weld replacement parts
  • Install Anti Deformation Beams
  • Remove paint from the repair area
  • Weld steel materials as per repair procedure
  • Ensure jib is supported and level
  • Tidy Work Site
  • Crane inspections
  • As per document ALAQF046 – Marine Deck Crane Rope Luffing Checklist.
  • Slew bearing deflection measurement
  • Yard Hook block overhaul
  • Crane 2 Tool Box Talk
  • Secure jib in rest
  • NDT pad eyes on boom
  • Check Parts
  • Check Equipment
  • Remove
    • crane jib and place in lay down area
    • heel pin/s
    • Main Hoist Limits
    • Luffing Hoist Limit
    • Main Hoist Dead End
    • Luffing Hoist Rope Dead End
    • Luffing Hoist Wire Rope
    • Main Hoist Rope
  • Install Luffing Hoist Dead End
  • Rig up crane jib
  • Inspection of steel structure
  • Install
    • Main Hoist Dead End
    • Heel Pins
    • New Luffing Hoist Rope
    • Luffing Hoist Limits
    • Set Main Hoist Limits
    • New Main Hoist Rope
  • Load Test – only if slew bearing measurement is ok
  • Hold load for 5 minutes
  • Cut out steel material as per repair procedure
  • NDT test all welds as per the repair procedure
  • Tack weld replacement parts
  • Install Anti Deformation Beams
  • Remove paint from the repair area
  • Weld steel materials as per repair procedure
  • Ensure jib is supported and level
  • Tidy Work Site
  • Crane inspections
  • As per document ALAQF046 –
  • Marine Deck Crane Rope Luffing Checklist
  • Slew bearing deflection measurement
  • Replace motor and gearbox hoisting
  • Measured Slew bearing before the load test
  • Yard Hook block overhaul
  • Crane 3 inspections
  • As per document ALAQF046 – Marine Deck Crane Rope Luffing Checklist
  • Slew bearing deflection measurement
  • Replace luffing gearbox
  • Yard Hook block overhaul
  • Crane 4 Yard Hook block overhaul
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