This is an idler assembly for Volvo excavators, serving as a guide pulley for the track chain and maintaining track tension. It is constructed from hardened steel for maximum wear resistance and smooth operation, outperforming a worn or misaligned idler. Operators may experience excessive track slack, abnormal track noise, or premature wear on the track chain and rollers when an idler fails.
Always verify with serial number before ordering.
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Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
Initial signs of a failing idler include increased noise from the track system and visible track slack. If ignored, the idler can seize or break, leading to track derailment and potential damage to the track guides and rollers. This can result in significant downtime and costly repairs.
Ensure the mounting surfaces on the frame are clean and free of debris before installing the new idler assembly. Do not overtighten the idler mounting bolts, as this can damage the threads or the idler bracket.
Inspect the track chain, track rollers, and recoil springs for wear and proper tension when replacing the idler assembly.