At the end of this module, you will be able to:
- Identify common truck mounted crane types
- Identify and describe the purpose of common truck mounted crane components
- Describe crane lifting principles
- Demonstrate how to interpret load charts
- Describe the importance of lift planning and identifying possible site hazards
- Explain crane operation safety guidelines
- Demonstrate proper communication using voice and hand signals
- Describe the purpose of crane inspections and the recommended frequency of inspections
The following key questions are answered in this module:
What are the types of truck mounted cranes?
The four main types of truck mounted cranes are Stiff boom, trolley boom, telescopic boom, and articulating boom
What is two-blocking?
A condition where the crane load blocks contact each other
What is the purpose of load charts?
Load charts specify the maximum lifting capacity of the crane based on the horizontal and vertical distance between the load and the crane
What is the difference between a qualified and a certified crane operator?
A qualified operator has received appropriate training from their employer, and a certified operator possesses a valid certification issued by a nationally accredited certifying agency. Crane certifications can go with an employee from one company to another, but a qualification does not.
What information should be included in crane inspections?
The inspection date, crane serial number, signature of inspector, inspection description, and inspection results should be recorded for all crane inspections
Below is a transcript of the video sample provided for this module:
The parts can vary by crane type, but the following pages will describe the most common crane components. Outriggers or stabilizers extend from the base of the crane or other areas on the truck to provide stability while the crane is being operated. The base provides the main structural support for the crane. The crane rotation is controlled by a rotator attached to the base. A vertical column called a mast connects the main boom of the crane to the base. The main boom is raised and lowered by a hydraulic cylinder connected to the boom and the mast. An articulating boom crane will have a main inner boom and an outer boom that is extended by another hydraulic cylinder.
Use the additional resources and links below to learn more about this topic:
- National Commission for the Certification of Crane Operators (NCCCO) - www.nccco.org