NCCER Turner Recertification Practice Exam

For the disassembly of most lattice boom cranes, the correct components to remove first are the boom and counterweights. The boom is the long, extendable arm of the crane, and removing it is crucial to facilitate safe transportation and storage of the crane. The counterweights are critical for maintaining balance during crane operations, and they need to be removed to reduce the overall weight for disassembly and transport.

Disassembling the boom involves detaching it from the crane's base and ensuring that it is safely lowered and secured. The counterweights, which help stabilize the crane during operation, must be removed to eliminate any risk of tipping during disassembly.

Other options, such as removing the cab and boom or just the base and tracks, do not capture the most critical components needed for safe disassembly. The cab is typically not removed until the boom is dealt with, and the base and tracks are more related to crane mobility rather than its structural disassembly. Hence, focusing on the boom and counterweights represents the proper sequence in lattice boom crane disassembly.