Which is a main element of correct backhoe setup?

The main element of correct backhoe setup involves ensuring that the machine is leveled to produce a plumb trench. When the backhoe is level, it allows for accurate trench depth and alignment, which is crucial for both safety and effectiveness during excavation work. A plumb trench helps to prevent issues such as cave-ins or unstable walls, which can arise from improperly angled or sloping trenches. This precision is essential in construction and excavation to maintain structural integrity and comply with safety regulations.

On the other hand, keeping the bucket elevated above ground at all times may not be necessary for all operations, and stockpiling spoil on any flat surface could lead to stability issues or complicate access to the work area. Additionally, while the center line of the hoe is important for accurate digging, it must be aligned as closely as possible to the desired excavation path; thus, saying that it does not need to be exact undermines the need for precision in excavation work.