The function of the limit piston in the PTO split gearbox of Sany Heavy Industry concrete pump trucks is as follows:
The limit piston serves as a safety feature and helps control the engagement and disengagement of the power take-off (PTO) split gearbox. It is designed to limit the movement of the PTO mechanism and ensure proper functioning of the gearbox during operation.
Engagement Control: The limit piston helps regulate the engagement of the PTO split gearbox. When the operator activates the PTO, the limit piston interacts with the gearbox mechanism, allowing for the proper engagement of the power transmission. This ensures that the PTO is securely connected to the gearbox, enabling the transfer of power from the engine to the hydraulic system and other components.
Disengagement Control: Similarly, the limit piston plays a role in controlling the disengagement of the PTO. When the operator deactivates the PTO, the limit piston restricts the movement of the gearbox mechanism, ensuring that the disengagement process is completed smoothly and safely. This prevents any potential damage or abrupt disengagement that could occur if the PTO is disengaged too quickly or forcefully.
Safety Protection: The limit piston provides an additional layer of safety protection for the PTO split gearbox. By limiting the movement of the gearbox mechanism, it helps prevent over-engagement or over-disengagement, which could result in mechanical stress or damage to the gearbox components. This safety feature ensures the longevity and reliability of the PTO system and the overall functionality of the concrete pump truck.
System Integrity: The limit piston contributes to maintaining the integrity of the PTO split gearbox system. It helps prevent any misalignment or improper engagement/disengagement that could lead to inefficiencies, excessive wear, or potential failures within the gearbox. By providing controlled and regulated movement, the limit piston promotes smooth operation and optimal performance of the PTO system.
Overall, the limit piston in the PTO split gearbox of Sany Heavy Industry concrete pump trucks serves the functions of engagement control, disengagement control, safety protection, and system integrity maintenance. It ensures the proper and safe operation of the PTO system, contributing to the overall efficiency and reliability of the concrete pump truck.
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Sany And Zoomlion Concrete Pump Transfer Case Piston Assembly Limit Piston (Sany Simbo) A820405000024 Images
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