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The information in this show is for the operation of s lewing mobile cranes :. A slewing mobile crane means:
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The information in this show is for the operation of slewing mobile cranes: A slewing mobile crane means: a powered mobile crane incorporating a boom or jib that is capable of being slewed. It excludes a front end loader, a backhoe, an excavator or similar equipment when configured for crane operation.
An example of a Slewing Mobile Crane Telescoping Luffing Slewing Carrier mounted hydraulic boom type
Question 7. You are about to set up on site. List 6 hazards that you would need to take into account in your crane set up plan? Answer: Choose six from the following: MUST KNOW COMPETENCY
Question 8. List 5 methods of reducing hazards on site? Answer: Choose five from the following: MUST KNOW COMPETENCY
Question 28. Why is it important to check the hoist limit or cut out switch? Answer: To make sure that it is operating correctly so that double blocking does not occur. Switch triggers alarm in cab and cuts out movement. DOUBLE BLOCKING (TWO BLOCKING) This is when the hook block assembly is dragged into the head sheaves, causing crane failure and the possibility of a serious accident. The continuous pull on the hoist lines may break the wire rope, pull the boom over the cab on lattice booms, pull fly jibs back over the boom head or drop the hook.