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Sleeve THI TULEJA 1770-4-3 PTPK
TULEJA 1770-4-3 PTPK is a THI-branded sleeve designed for use in mechanical assemblies where reliable guidance, positioning and friction reduction are required. Supplied as model 1770-4-3 PTPK, the sleeve functions as a replaceable bush element for shafts, pins and sliding parts in industrial equipment. The component is intended for OEM replacement or maintenance tasks in compatible machinery that specifies this sleeve type.
The THI sleeve offers a compact form factor that simplifies installation in confined housings and reduces play between mating parts. Its engineered bearing surface lowers friction and wear on rotating or sliding elements, extending service intervals. The sleeve's consistent dimensions support accurate shaft alignment and repeatable positioning, helping maintain machine accuracy over time.
Inspect the housing and mating shaft for damage or contamination before installation. Ensure correct orientation and alignment when pressing or sliding the sleeve into place; use appropriate tools to avoid deforming the bushing. After installation, verify shaft rotation and axial play are within acceptable limits specified by the machine manufacturer. Replace the sleeve if excessive wear, scoring or deformation is observed during inspection.
For reliable operation, install the sleeve into a clean, dimensionally correct housing and follow the equipment maker's tolerances for press-fit or clearance fits. Apply the recommended lubrication for the specific application if the machine design requires it, and include the sleeve in routine inspection and maintenance schedules to detect wear early.
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