Lifting Mechanism – Crane Wire Rope & Pulley Faults And Troubleshooting Methods

Name	Failure and damage condition	Reason and Result	Trouble- shooting Method
*Crane Wire rope*	Breakage, knotting, abrasion	Cause to breakage of rope	Stop to use it when wire rope break and knot; replace according to standard wen thread break, and replace the wire rope according to standard when it have abrasion.
*Hook Pulley*	Uneven abrasion of block’s groove	Material asymmetry, bad installation and bad connection of rope and wheel	Replace it when abrasion of groove’s wall reaches / of previous thickness, and gauge ware reaches 1 /2 of wire rope diameter
	Pulley can not rotate	Keeper of shaft loose or wire rope hop out of groove	Replace the shaft and bearing and then lubricate and maintain them
	Pulley incline or loose	Keeper of shaft loose or wire rope hop out of groove	Fasten the keeper and repair the wire rope’s hopping
	Crack of pulley or break of wheel flange	Pulley damage	Replace

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