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How often is a shift inspection of running and standing wire ropes?
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Give examples of what to look for in a shift inspection?
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4A Wire Rope inspect
| Question | Answer |
|---|---|
| How often is a shift inspection of running and standing wire ropes? | Started before and completed during each shift. |
| Give examples of what to look for in a shift inspection? | Crushing, bird caging, kinks, broken wires , core slippage, corrosion, lack of lubrication, evidence of shock loading, stretch, reduction in diameter, end connections |
| When is booming down required for an inspection? | only for an Annual inspection |
| When is the inspection of the entire rope required? | once every 12 months |
| When do you need a signed inspection document? | For the Monthly inspection and Annual inspection |
| How many broken wires on a Pendent/ standing ropes mean you have to remove the rope? | More than one broken wire at an end connection, more than two broken wires located beyond end connection |
| How many broken wires on a Rotation Resistant Ropes mean you have to remove the rope? | Two random broken wires in six rope diameters, four broken wires in thirty rope diameter. |
| How many broken wires in a Running rope mean you have to remove the rope? | Six random broken wires in one rope lay, three broken wires in one strand in one lay. |
| What are some examples of Wire rope damage mean you have to remove the rope? | Loop Formation, Loose wires ( Corrosion), Nodes: core exposed, Cork screwing, Kinks, Crushing, Bird caging |
| How many rope raps have to be on the drum when a load is at its lowest point? | Osha requires a minimum of two rope wraps to remain on the drum when load is at its lowest point. |
| What is the correct method of measuring the diameter of wire rope? | At the Crown |
| When does a change in rope diameter mean you have to remove the rope from service? | When the diameter of rope is reduced by 5% or more. |
| What is a rope lay? | The distance it takes for a strand to make one complete revolution around the rope. |
| List Wire rope components? | Wire, Strand, Core, Core wire |
| How are wire ropes classified? | By a two number system for example 6X19. |
| What does the first number mean in wire rope classification? | The first number mean the number of strands. |
| What does the first number mean in wire rope classification? | The second number indicates the number of wires in each strand. |
| What kind of wire rope is the most flexible? | The greater number of wires and smaller in diameter they are the more flexible they are. |
| What is the problem with small diameter wires in the outer strands? | More flexible but less resistant to abrasion. |
| What is Rotation -Resistant Rope? | The core strands are twisted in one direction and the outer strands are twisted in opposite direction. |
| What is a sheave? | A pulley with a grooved wheel that helps the wire rope move freely. |
| What happens when a sheave gets worn? | It damages the wire rope |
| What is a proper end connection? | End of wire rope is attached to end connector or end is looped back on its self and attached to end connector. Do not tie off to main wire. |
| What are Wedge Sockets? | It secures they end of a wire rope |
| What is the correct method to set up a wedge socket? | Live end must be parallel to the straight side of the wedge socket. |
| Were can wire rope clips NOT be used? | Do not use wire rope clips for boom hoist application. |
| Which end of the wire rope does the saddle of rope clip touch? | The Saddle touches the live end of wire rope. |
| Which end of the wire rope does the u bolt of rope clip touch? | It touches the dead end or bitter end. |
| How can wire rope be damaged on a spool? | A bad wrap can cause rope damage. |
| Does the spool and drum spin in same direction or in opposite direction when transferring rope from spool to drum? | They have to spin in the same direction. |
| The drum flange must be how high above the rope? | At least half an inch or half the diameter above the rope. |
| What type of replacement parts and attachments can you use? | All parts must follow manufacturer guidelines |
| What is OSHA's general duty clause? | Require employers to keep job site free of unsafe conditions for their employees. |
| If equipment standards are referred in a law are they part of that law? | Yes it is part of that law and it is mandatory to follow it. Look for word SHALL in the law. |
| Were does the operators manuals need be located? | In the cab of the Machine. |
Created by:
Jcool30