Maintain precise pump alignment and optimal flow with the Graco 106093 Washer Shim, engineered for high-pressure airless sprayer systems.
The 106093 Washer Shim is engineered to maintain critical axial clearances within high‑pressure pump assemblies for airless sprayer systems. Its precision thickness control and rigorous manufacture support pump alignment, minimize internal bypass and ensure consistent fluid transfer in demanding spray applications.
| Thickness Tolerance Range | 0.02 mm – 0.10 mm |
|---|---|
| Material | Hardened stainless steel substrate |
| Surface Finish | Precision ground, nitrided surface for high hardness |
| Concentricity | <5 microns |
| Batch Traceability | Laser‑etched ID code per lot |
Crafted from a hardened stainless steel substrate with precision ground surfaces, the shim features advanced nitriding for surface hardness in the HRC 58‑62 range. Concentricity within 5 µm and optional composite backup washers ensure optimal preload and minimal wear under cyclic loading.
By stabilizing pump rod and piston alignment and reducing metal‑on‑metal contact, the washer shim contributes to smoother pump operation, improved flow consistency, lower vibration signatures and extended service intervals in high‑output coating systems.
Install only after cleaning mating surfaces and verifying parallelism. Stack shims in incremental thicknesses to achieve required clearance, using a torque‑controlled approach and anti‑seize lubricant where recommended. Regular inspection for wear, deformation or corrosion ensures continued performance.
Each unit is manufactured under rigorous standards including eddy‑current testing, dimensional audits and traceability via laser‑etched identifiers. This ensures conformity with industrial finishing requirements and supports extended reliability in professional environments.
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