The lift cylinder and tilt cylinder of the stacker are used to prevent abnormal hydraulic circuit. What is the usual pressure adjustment range for the safety valve?

Study for the CPC Forklift Truck Test. Multiple choice questions, hints, and explanations to help you prepare. Get ready for your exam!

The usual pressure adjustment range for the safety valve of the lift cylinder and tilt cylinder in a stacker is important for maintaining safe and effective operation. A pressure range of 100 to 180 kg/cm² is appropriate for several reasons.

First, this range is high enough to support the weight and operational demands of most forklifts and stackers, allowing for efficient lifting and tilting of loads. Safety valves are designed to prevent the hydraulic system from exceeding set limits, protecting the hydraulic components from damage due to excessive pressure.

Second, this range ensures a balance between sufficient lifting capabilities and safety margins to prevent hydraulic failures. If the pressure is set too low, the stacker may not lift loads effectively, while a setting that is too high can lead to dangerous situations, including system failures.

This range reflects common standards in the industry, where hydraulic systems typically operate within these parameters to ensure both performance and safety. Adjusting the safety valve within this specific range helps maintain optimal functionality while adhering to safety regulations.

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