SITE
When can you Block under the beam?
Never
What is the standard rope used on most cranes?
Right regular lay
During disassembly of a long boom, the hog lines are connected at the maximum cantilever point and the boom is slightly lifted off the ground, which pins are to be removed next?
Bottom pins ahead of the cantilever point
What is the maximum number of broken wires, on regular lay running rope, is cause for replacement?
6
If the jib is erected but not being used, it is treated as a deduction from the cranes?
Gross Capacity
Before setting up the crane on location, what is the first item you check?
Access Road
On the majority of conventional cranes, the power is transferred to the torque converter by a?
Master Clutch
Test loads shall not exceed ___ of manufacturers load ratings?
110%
How many broken wires must be present in one strand of one lay for right, regular lay running wire rope to be removed from service?
3
use the next longer length or the next shorter length, whichever has the lesser value.
What is the best procedure to follow when underground utilities may be present?
Contact local utility company
Backward stability of the crane is testes with?
Basic boom at Maximum angle with no load over the side.
Dog everything
The strength factor of wire rope for general rigging and hoisting (without personnel ) must include a safety factor of at least?
5 to 1
Jib capacity is based on what?
Structure
During setup, how do you determine machine clearances?
Measure the correct distance
When using cable or nylon spreaders it is important to remember?
The lower the spreader angle the greater the tension
What do you do when you have a slack rope condition?
Check if it is on the drum and sheave
What is the strength factor of Pendant lines
3 to 1
Increses
If a crane is not set up level, and the operator swings a load from the high side to the low side, the load radius will?
Increase.
Only approved attachments or extra counterweights made by the manufacturer should be place on the rear of the crane because?
They could cause a backward stability problem
Boom angle indicator
1
What SWL?
Safe working LOAD