Standard Lead-Time:  Ten (10) Business Days. Expedited service may be available.

Receiving and Evaluation 

• Pump, Compressor and/or any associated components are itemized and photographed.

• Any damaged or missing components are noted.

• Customer is required to provide details on any contamination that may be present in the pump and/or any associated components.

• All items received are logged into the Lassen tracking system for trace-ability throughout the rebuild process.

• Customer is contacted to advise of any damage or missing components that could add to the standard rebuild cost.

Disassembly 

• All rebuild-able items are disassembled to the major component level.

• Components are inspected and all critical tolerances are measured.

• Second-Stage 15k Charcoal Condensing Array is discarded.

• Failure analysis report generated.

Reconditioning

• All items are ultrasonically cleaned.

• Decontamination procedures are performed as needed.

• Radiation Pot is media blasted and repainted with low emissivity paint.

• Frontal (first-stage) array is re-plated with electroless nickel.

• New 15 Kelvin charcoal condensing array is installed.

• On-board roughing valve assembly is refreshed as needed.

• Other on-board modules are refreshed as needed.

Reassembly

• All items re-assembled per original manufacturers specifications.

Test

• Cool-down test (time vs. temperature) is performed.  Performance results verified.

• Motor vibration test.

• Vacuum vessel leak checked with helium leak detector.

• Hour meter is reset to zero (0) for on-board pumps.

Packaging and Shipment

1. Lassen rebuild identification tag applied to rebuilt item(s).

2. Item(s) are bagged and prepared for shipment.