Minor Service

Scope of Service

THE SERVICE ITSELF WILL INCLUDE:

• The inspection of all mechanical electrical components.
• The greasing and oiling of all lubricating points.
• Implementing whatever running adjustments can be made on the spot.
• Stamping of every hook with the respective measurements for opening.
• 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.

Major Service

Scope of Service

THE SERVICE ITSELF WILL INCLUDE:

• The inspection of all mechanical electrical components.
• Implementing whatever running adjustments can be made on the spot.
• 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 hooks pop marks to be inspected.
• 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.