CROSS ASSY

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The 312 330 98 CROSS ASSY is a critical structural brace that maintains the alignment and rigidity of the drill rig's feed system. Using a genuine replacement ensures the feed beam remains stable, preventing vibration and protecting other components from excessive stress during operation.

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Full Technical Description

312 330 98 CROSS ASSY Functioning as a key structural support, this CROSS ASSY holds major components of the feed assembly in their correct positions. It is typically mounted on the feed beam or its cradle, where it resists the bending and twisting forces generated during drilling and tramming. By maintaining proper alignment, it ensures the drifter and drill string are correctly guided.

A damaged or failing CROSS ASSY directly impacts drilling accuracy and equipment life. For example, if the stay is bent, the entire feed beam can flex, causing the drill to collar incorrectly and leading to crooked holes. This misalignment also places uneven loads on feed chains, hoses, and the drifter's front-end components, accelerating wear and increasing the risk of unexpected breakdowns.

During routine walk-arounds, visually inspect the stay for any signs of cracking, especially near welds and mounting points. Check for any bending or deformation. If the component is damaged, it should be replaced without delay to restore the rig's structural integrity and prevent collateral damage to the feed system.