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DREDGE MECHANIC

NMDC Dredging & Marine
UAE
Full-time
Mid · 5–10 years experience
Onsite
Discovered 5 days ago

Full Job Posting

Qualifications

  • 5 to 10 years of hands-on overhaul experience in dredging, marine, offshore or heavy plant.
  • Proven experience overhauling hydraulic cylinders, gearboxes, clutches and large bearings.
  • Able to read mechanical, hydraulic and pneumatic drawings, schematics and OEM manuals.
  • Competent with precision measuring tools (micrometers, bore gauges, dial indicators, feeler gauges) and torque and tensioning equipment.
  • Valid UAE driving licence (preferred).

Responsibilities

  • Hydraulic cylinders (light and heavy-duty)
  • Dismantle, inspect and measure rods, barrels, pistons, glands and end fittings against OEM tolerances.
  • Decide whether to repair, re-chrome, or replace parts based on their condition.
  • Fit seal kits and wear bands to OEM drawings, then reassemble to the specified torque.
  • Bench test (proof pressure, internal leakage, stroke, cushioning) and record the results.
  • Bearing blocks and sheave assemblies
  • Dismantle and inspect bearing blocks, bearings, shafts, housings, seals and sheave grooves.
  • Fit bearings with the correct fit, clearance, preload, lubrication and sealing.
  • Check alignment, axial clearance and free rotation after assembly.
  • Clutches and brakes (hydraulic and pneumatic)
  • Overhaul multi-disc, band, jaw, shoe and air-actuated clutches, including actuators, rotary unions and friction elements.
  • Measure wear, set clearances and verify engagement and release function per the OEM manual.
  • Gearboxes
  • Strip, inspect and rebuild reduction, planetary and winch gearboxes.
  • Assess gear wear patterns, set backlash and bearing preload, check contact patterns, then fill and run test.
  • Dredge valves
  • Overhaul blade gate, butterfly, and other valves, including actuators.
  • Replace worn seats, seals, gates and stems, then pressure test and record the results.
  • Onboard and general duties
  • Carry out onboard repairs and planned maintenance using portable tools, within vessel permit systems.
  • Keep job cards, measurement sheets, test records and photos for every overhaul, and keep traceability of replaced parts.
  • Request spares and consumables accurately, and keep tools and measuring instruments calibrated.
  • Support lifting and rigging of heavy components with certified personnel.
  • HSE
  • Apply lockout/tagout and verify zero energy before work.
  • Follow permit-to-work procedures for cold work, hot work, confined space, working at height and lifting.
  • Report incidents and near misses.

Preferred Qualifications

  • Valid UAE driving licence (preferred).

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