Shimadzu Stator B 3203 Original Parts Repair for TMP 3203 3403 Series Molecular Pump

The Stator B 3203 is an original OEM repair part for Shimadzu TMP molecular pumps. It is manufactured to the same geometric tolerances and surface finish standards as the factory component and is intended for use in the SHIMADZU TMP-2003 through TMP-3603 series (including TMP-3203 ~ TMP-3403). This page summarizes the part purpose, compatibility, handling and installation guidance, maintenance notes, and ordering information to help you replace or stock this critical component reliably.

Product overview

The stator assembly provides the stationary aerodynamic channel and blade geometry that, together with the rotor, produce molecular drag and compression inside a turbomolecular pump. Stator B 3203 is a precision-machined component produced for repair and rebuild operations of the TMP family. Using an OEM stator preserves pump balance, throughput and base pressure characteristics after service.

Key features

• OEM replacement part manufactured to factory tolerances for direct fit into TMP-3203 ~ TMP-3403 series assemblies.
• Precision surface finish and concentricity to maintain pump performance and minimize vibration.
• High-grade corrosion-resistant alloy construction and, where applicable, specialized surface treatments for wear resistance.
• Supplied as a ready-to-install stator subassembly for repair shops and field service teams.

Compatibility

Compatible with SHIMADZU TMP-2003 through TMP-3603 series pumps. Specifically intended for TMP-3203~TMP-3403 variants but may be used across the TMP range as defined by the OEM parts list—confirm with the pump serial number and service manual before installation.

Materials and construction

Manufactured from high-grade stainless and precision alloys commonly used in turbomolecular pump internals. The stator is finished to minimize surface roughness and mounted concentrically to preserve rotor clearance. All critical dimensions are inspected to factory specifications prior to shipment.

Inspection and pre-installation checks

• Inspect the part number and physical condition on receipt; check for shipping damage.
• Verify dimensional tolerances against the pump service manual and confirm serial/model compatibility.
• Clean the stator with lint-free cloth and isopropyl alcohol if required; avoid aggressive solvents that could affect coatings.
• Ensure bearing and rotor assemblies are inspected and serviced as required—installing a new stator into a worn rotor assembly will not restore OEM performance.

Typical installation guidance

1. Follow the OEM service manual step-by-step. Before any disassembly, isolate the pump, allow it to cool, and vent the chamber per safety procedures.
2. Disassemble to gain access to the stator location; protect rotor surfaces from contact and contamination.
3. Position the stator carefully, align locating features, and secure fasteners to the torque range specified in the OEM documentation.
4. After assembly, spin-check the rotor clearance and run a controlled test under vacuum to monitor vibration and temperature before returning the pump to service.
5. If torque or alignment specifications are not available, consult the official service manual or an authorized service provider to avoid damage.

Maintenance and service intervals

Replace the stator when inspection reveals blade damage, excessive wear, deformation, or if pump performance (ultimate pressure, compression or rotor vibration) cannot be restored by cleaning and balancing. Regular preventative maintenance intervals depend on operating conditions—typical service-life can range from several thousand to tens of thousands of operating hours. For planning and spares stocking, consider keeping one stator per critical pump in multiyear service.

Common symptoms indicating stator replacement

• Significant increase in rotor vibration or noise.
• Loss of pumping speed or failure to reach rated ultimate pressure.
• Visible mechanical damage to stator blades or distortion after foreign object impact.
• Unstable rotor behavior or repeated trips during pump spin-up.

Ordering, packaging and lead time

Order using the OEM reference Stator B 3203 and supply pump model and serial number when requesting a quotation. Parts are packaged in anti-corrosion wrap and protected with shock-resistant inner packing. Standard lead times vary by stock; expedited shipping is available for urgent repairs. For genuine parts and support materials you can rely on, visit our parts page or contact sales directly:

- Find spare parts and accessories: Shimadzu spare parts and services
- Order information and quotations: Order OEM repair parts
- Service, manuals and technical support: Technical support and service

Warranty and quality assurance

The Stator B 3203 is supplied as a genuine repair component. It ships with inspection certification and a limited warranty against manufacturing defects. For warranty terms and claims procedures, provide the part number, pump model and the original purchase documentation to the supplier or authorized service center.

Troubleshooting quick guide

• High vibration after replacement: re-check stator seating, fastener torque and rotor/stator concentricity.
• Poor ultimate pressure: inspect for contamination, flange seals, and verify that the rotor is undamaged.
• Noise or rubbing: immediately stop pump, vent per procedure and inspect rotor/stator clearance.

Additional resources

For detailed service manuals, recommended torque values, balancing procedures and model-specific diagrams, contact your authorized service representative or visit our parts and support portal: Visit our spare parts portal.

Note: The information above is intended to assist qualified service personnel. Always refer to the Shimadzu service manual and safety instructions for your specific pump model before performing repairs. If you need photos or dimensional drawings of Stator B 3203, request them when placing your order and we will include detailed images and inspection reports.