HYDR.CYL.ASSY

852 853 89 CYLINDER A hydraulic cylinder assembly is a fundamental component in many underground drilling rigs, responsible for converting hydraulic fluid pressure into linear motion. These cylinders are often found in the feed system, where they push or pull the drifter along the feed beam, or within the boom linkage to precisely position the drill string. Their primary job is to provide the necessary force and controlled movement for various machine functions, ensuring the drill rig can operate effectively.

Proper function of a hydraulic cylinder directly influences drilling efficiency and safety. If a cylinder isn't operating correctly, it can lead to slower feed rates, reduced penetration, or even uncontrolled movement of the boom or feed. For instance, if the cylinder responsible for feeding the drifter loses force, the drill bit won't maintain optimal contact with the rock, significantly slowing down the drilling process and increasing wear on other components. Reliable cylinder operation is key to consistent performance and operator safety.

Common signs of a failing hydraulic cylinder include external oil leaks around the rod seals, slow or jerky movement, or a noticeable loss of force during operation. Internal seal bypass can also occur, where fluid leaks past the piston, leading to creep or an inability to hold a load. Regularly inspecting the cylinder rod for damage, keeping it clean, and checking for leaks are good preventative measures. If a cylinder shows these symptoms, it often requires a seal kit replacement or, in cases of severe rod or barrel damage, a complete assembly replacement to restore full functionality.