Inspection and Preventative Maintenance

Crane Aid Minor Service

Gallery – Click on images to enlarge:

Scope of Service

THE SERVICE WILL INCLUDE:

  • The inspection of all mechanical electrical components.
  • The greasing and oiling of all lubricated points.
  • Implementing whatever running adjustments can be made immediately.
  • Hook pop marks to be measured and recorded.
  • Measuring and recording of brake lining, crane wheel and sheave wheel wear.
  • Checking for wear and measuring according to standard of steel wire rope.
  • If necessary, preventative maintenance recommendations will be made.

Our Service Department operates on a 24 Hour basis 7 days a week.

DETAILED BREAKDOWN OF INSPECTION SERVICE

Structure and Condition of Crane

  • Check for loose connections, bolts, nuts etc.
  • Visual check of gantry.
  • Visual check of crane girders.
  • Visual check of end carriages.
  • Visual check of safety rail.
  • Visual check of cabin and mounting.
  • Visual check of crab frame.
  • Check for cracked, worn, de-formed or corroded members, including rail and beam on which the crane operates.

Wheels and Shafts

  • Check wheels and diameters of driving and trailing wheels.
  • Check flanges for wear.
  • Check ring gear and pinion condition.

Gearboxes

  • Check all gearboxes for abnormal noise and excessive backlash.

Motors

  • Inspect motor couplings and bolts as well as studs.

Brakes

  • Check for excessive wear on brake parts.
  • Check pins, lever, bushes, linings etc.

Rope Drums / Chain / Sheaves

  • Check rope drums and sheaves for wear.
  • Check chain and sprockets for excessive wear or stretch.
  • Inspection of all steel wire ropes for corrosion, wear, kinks, broken wires etc.
  • Ensure that at least three full turns of rope remain on drum when the hook block is on bottom limit.
  • Check rope reeving.
  • Check function of limit switch.
  • Check rope diameter is correct size when considering the crane duty specification for the sheave diameter.

Limits

  • Check limiting and other safety devices.

Hooks

  • Measure and record the distances between the three centre punched marks on the hook and compare with last recorded dimensions to check that the hook is not opening out.
  • Check excessive hook wear.
  • Check hook attachment and nut.
  • Check safety catch for proper operation.

Guards and Safety Devices

  • Check crane buffer, end stops for proper placement.

Access and Notices

  • Check access to crane and footwalk.
  • Check name plates, danger signs and safety working load plates.

Crane Aid Major Service

Gallery – Click on images to enlarge:

Scope of Service

THE SERVICE WILL INCLUDE:

  • The inspection of all mechanical electrical components.
  • Implementing whatever running adjustments can be made immediately.
  • Opening of all gearboxes inspection covers for inspection, where available.
  • Opening of all electrical motors inspection covers for inspection and cleaning, where available.
  • Stripping of all wheels on crane, for inspection.

DETAILED BREAKDOWN OF INSPECTION SERVICE:

Structure and Condition of Crane

  • Crane welds to be NDT inspected. *
  • Cabin and mounting to be NDT inspected. *
  • Crab welds to be NDT inspected. *

* – Optional as agreed by Customer

Wheels and Shafts

  • Crane and crab to be jacked up and wheels to be removed for inspection of wheels, shafts and bearings.

Gearboxes

  • All gearbox inspection covers to be opened to inspect all bearings and internal gears, where available.

Electric Motors and Control Panels

  • All motor inspection covers to be opened for inspection, cleaning and Insulation Testing.
  • All Electric control panels to be opened, all control equipment to be thoroughly inspected and the panels and equipment cleaned.
  • All Electrical junction boxes to be opened, all connections checked and all equipment cleaned.

Brakes

  • All Brakes to be stripped for inspection of wear of all brake linings, pins and moving parts.

Rope Drums / Chain / Sheaves

  • Load Ropes to be wound from the drums.
  • Rope drums to be cleaned and inspected for wear on rope grooves.
  • Load ropes to be inspected.

Limits and Safety Devices

  • Inspection of all limit switches on the hoist and travel motions for wear or damaged parts.
  • Load limiting device to be inspected and tested.
  • Emergency stop to be tested.

Hooks

  • Bottom blocks sheaves to be inspected.
  • Bottom block pop marks to be measured and recorded.
  • Bottom hooks thrust bearings to be inspected.
  • Bottom block hook / hooks to be inspected.

We service all Sub-Saharan African countries. Please contact Head Office on 011 748 1000 / 0800 015 659 for further assistance on your enquiry.