Deck crane and deck machinery services.

Marine Crane Services

Deck crane maintenance, repair, overhaul, load testing and modernisation on board or in our workshop.

• 01
  Deck Crane Maintenance / RepairPlanned maintenance and breakdown repair on hydraulic and electro-hydraulic deck cranes: slewing, hoisting and luffing circuits, brakes, pumps, motors, cabin controls.
• 02
  Crane Inspection / TroubleshootingPressure checks, leak-down tests, electrical signal tracing and structural inspection to find the cause before parts are ordered.
• 03
  Crane OverhaulingComplete overhaul of pumps, motors, gearboxes, cylinders and control valves, with new seals, bearings and wear parts, then functional testing.
• 04
  Slewing System MaintenanceSlewing bearing clearance measurement, bolt tensioning, pinion and ring gear inspection, slewing gearbox and brake service.

+ 4 more items on the service page.

Hydraulic Systems / Engineering

Pump, motor, cylinder and valve overhaul, power pack maintenance, hose manufacturing and system troubleshooting.

• 01
  Hydraulic Motor OverhaulingAxial and radial piston motors (Hägglunds, Rexroth, Kawasaki Staffa, Danfoss, Poclain): strip, measure, new rotary group parts, seals, bench test.
• 02
  Hydraulic Pump RepairVariable displacement piston pumps and gear pumps: swash plate, pistons, valve plate, control pistons and compensators repaired or renewed.
• 03
  Hydraulic Cylinder OverhaulingLuffing and boom cylinders: honing, rod chroming, new seal kits, gland and bush renewal, pressure test.
• 04
  Hydraulic Valve RepairDirectional, proportional, counterbalance, relief and brake valves cleaned, re-set and tested; solenoids and coils replaced.

+ 5 more items on the service page.

Mechanical Services

Gearbox and winch overhaul, bearing and brake work, couplings, shafts and steel structure repair.

• 01
  Gearbox OverhaulingWinch, slewing and travel gearboxes stripped, gears and bearings measured, worn parts renewed, backlash set, oil and seals replaced.
• 02
  Winch Repair / MaintenanceHoist and luffing winch drums, drum bearings, rope guides, brake bands and discs, drive couplings.
• 03
  Bearing ReplacementSlewing bearings, drum bearings, motor and gearbox bearings fitted with the correct clearances and preload.
• 04
  Brake System MaintenanceMulti-disc hydraulic brakes, band brakes and spring-applied brakes: linings, springs, release pressure and holding test.

+ 3 more items on the service page.

Electrical / Automation

Crane electrical troubleshooting, PLC and control panel work, joysticks, sensors, limit switches and remote controls.

• 01
  Crane Electrical TroubleshootingSignal tracing, insulation and continuity tests, motor and power circuit checks, fault memory read-out.
• 02
  PLC SystemsProgram back-up, fault diagnosis, I/O module and CPU replacement, parameter setting on crane controllers.
• 03
  Control Panel MaintenanceContactors, relays, breakers, terminals and wiring renewed; panel cleaning, heating and sealing against moisture.
• 04
  Joystick Repair / ReplacementCabin joysticks repaired or replaced with compatible units; calibration of ramps and dead bands.

+ 5 more items on the service page.

Winch / Deck Machinery Services

Mooring and towing winches, anchor windlasses, hose handling, provision, engine room and offshore cranes, davits.

• 01
  Mooring WinchHydraulic and electric mooring winches: drives, brakes, clutches, drum bearings, brake holding tests to the rule values.
• 02
  Towing WinchTug and offshore towing winches: drives, brakes, spooling gear, tension measurement and control.
• 03
  Anchor WindlassGearboxes, cable lifters, band brakes, clutches and hydraulic or electric drives serviced and tested.
• 04
  Hose Handling CraneTanker hose handling cranes: hydraulics, slewing, limit switches and load test.

+ 5 more items on the service page.

Spare Parts / Equipment Supply

Marine crane spare parts, hydraulic motors and pumps, valves, electrical components, joysticks, wire ropes, seals and overhaul kits.

• 01
  Marine Crane Spare PartsSlewing bearings, gearboxes, pinions, brakes, cylinders, pins and bushes, cabin parts for the crane makes we service.
• 02
  Hydraulic Motors / PumpsAxial and radial piston units, gear pumps and orbital motors from Bosch Rexroth, Danfoss, Kawasaki, Hägglunds, Parker, Eaton and others.
• 03
  Valves / Hydraulic ComponentsDirectional, proportional, counterbalance and relief valves, filters, coolers, accumulators and manifolds.
• 04
  Electrical ComponentsContactors, relays, PLC modules, power supplies, encoders, sensors and cabin instruments.

+ 4 more items on the service page.

Inspection / Technical Support

Technical inspection, condition assessment, fault diagnosis, preventive maintenance, consultancy, onboard attendance, commissioning and reports.

• 01
  Technical InspectionVisual, functional and measured inspection of cranes and deck machinery, on board or in a shipyard.
• 02
  Condition AssessmentWear measurement against maker's limits, oil analysis, thermal and pressure readings; remaining life estimate for major components.
• 03
  Fault DiagnosisSystematic diagnosis across hydraulic, mechanical and electrical systems with a written cause-and-remedy summary.
• 04
  Preventive MaintenanceMaintenance plans by running hours and calendar, with filter, oil, brake and rope schedules for each crane.

+ 4 more items on the service page.

Gearbox Replacement

Hoist, luffing and slewing gearboxes removed and replaced on board: rigging, drum removal, alignment, oil fill and load test.

• 01
  Fault AssessmentOil sample and magnetic plug check, noise and play under load, and the decision between repair in place and full replacement.
• 02
  Replacement Unit SourcingNew gearbox from the maker or an overhauled exchange unit, matched on ratio, mounting flange, input spline and brake interface.
• 03
  Rigging / Lifting on BoardChain blocks and lifting points set up inside the crane house, with the lift plan agreed with the vessel before work starts.
• 04
  Wire and Drum RemovalHoist or luffing wire unreeved and secured, drum lifted out of its frame to reach the gearbox.

+ 4 more items on the service page.

Slewing Bearing / Rocking Test

Rocking tests to measure slewing bearing wear, and slewing bearing replacement on deck cranes: readings, removal, preparation, fitting and report.

• 01
  Rocking TestClearance readings at four points around the pedestal, with the moment reversed by the jib and the load, recorded in a report.
• 02
  Trend ComparisonNew readings compared with the maker's limit and with the crane's earlier values, so the decision is based on the rate of wear.
• 03
  Bolt and Grease CheckSlewing bearing bolts checked for tension and corrosion; grease condition and seal state noted.
• 04
  Gear and Pinion InspectionRing gear teeth and slewing pinion checked for wear, pitting and backlash at the same visit.

+ 4 more items on the service page.

Ro-Ro Ramp Services

Ro-Ro ramp hydraulics, cylinders, hinges, drive units and steel structure: inspection, repair, removal and refit at the shipyard or alongside.

• 01
  Ramp InspectionHinges, lugs, locking gear, cylinders and structure inspected, with a written list of findings and photographs.
• 02
  Hydraulic Circuit RepairValves, hoses, fittings and pressure settings on the ramp circuit checked and renewed.
• 03
  Cylinder OverhaulRamp cylinders removed, stripped, measured and resealed; rods and bushes renewed where worn.
• 04
  Hinge and Pin WorkHinge pins and bushes removed and renewed, worn bores repaired on site.

+ 4 more items on the service page.

Steering Gear Services

Steering gear pumps, control valves, spools, rams and seals: fault diagnosis, overhaul and function testing in the steering gear room.

• 01
  Fault DiagnosisPressure readings at each pump unit, changeover checks and control signal tracing to find the cause.
• 02
  Pump Unit OverhaulSteering gear pumps removed, stripped, measured and rebuilt with new rotary group parts and seals.
• 03
  Control Valve and Spool ServiceControl blocks opened, spools cleaned and inspected, solenoids and pilot valves checked.
• 04
  Safety Valve CheckSafety valves inspected and their settings verified against the steering gear documents.

+ 4 more items on the service page.

Component Manufacturing

Control blocks, sheaves, rollers and crane heaters made to drawing or from the worn sample, when the original is no longer available or too slow to arrive.

• 01
  Control BlocksHydraulic control blocks and manifolds machined from solid steel to drawing or to the old block, pressure tested before delivery.
• 02
  SheavesCrane sheaves made to the rope size and groove profile, with bearings, bushes and pins.
• 03
  RollersRope and guide rollers made and supplied to the original dimensions.
• 04
  Crane HeatersFan and panel heaters for crane houses and machinery spaces, in galvanised casings with insulation and isolator switches.

+ 3 more items on the service page.