NCCCO 7 Crane-Load Charts

If a jib is erected but not being used, it is treated as a deduction from the cranes: - Gross capacity A truck crane is rated at what percentage of its load capacity? - 85% When determining the "gross load " the best method is: - Get an accurate load weight and add the rigging. Tipping capacities of crawler cranes are based on what percentage of tipping? - 75% How does the operator determine if correct load chart is being used? - Matching Serial number In a range diagram, boom length and angle can be used to determine: - Load radius Only approved attachments or extra counterweights made by the manufacturer should be - They could cause a backward stability problem If not listed in the loadcapacity charts for a hydraulic crane and you are in between boom lengths, you should: - Use the next longer length The jib capacity is 8 tons and the ball weighs 900 lbs. What is the heaviest load that can be lifted safely? - 15,100