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CTI 8200 Compressor - REPAIR SERVICE


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Return Material Authorization

To request an RMA, click the button below and fill out the form or contact us directly.


CTI 8200 Compressor - REPAIR SERVICE
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Request an RMA  Return Material Authorization

Need an exchange?  We recognize that some replacements are more critical than others or that it is not convenient to remove a pump without the replacement immediately at hand. On our form, check the box to request an exchange and we will follow up with current availability.

Procedures for shipping used equipment to PTB Sales:

  • Seal openings.
  • Attach our pump declaration form to the equipment to declare what contaminates the equipment has been exposed to.

There is a $300 Evaluation Fee. This gets applied to the cost of repair.

Questions? Please call our toll free number at 866-332-0500 or send an e-mail to our sales team!

CTI 8200 Compressor - Scope of Work

One year warranty service.

PTB Sales will perform the following:

1. Incoming Inspection

  • Attach Work Order to 8200 Compressor
  • Picture taken of 8200 Compressor’s Configuration/Condition
  • Record Static Charge Pressure
  • Record hours and last date serviced

2. Record current (Amps)

  • 3 Phase - Record amps L1, L2 and L3
  • Single Phase – Record amps on L1 and L2

3. Record Inlet/Outlet water temperature – Water Cooled Only

4. Complete teardown and disassembly of the compressor

5. All parts are inspected and cleaned with a High Pressure Parts washer

  • Flush Heater exchanger
  • Paint exterior panels

6. 8200 Compressor Rebuild

  • Pump Motor
    • Measure/record resistance
    • If current and/or resistance is out of spec notify customer that the compressor is non repairable
  • Rebuild By-pass Valve
    • Clean/Inspect replace O-Rings
  • Rebuild Dump Valve
    • Clean/Inspect and replace O-Rings
  • Rebuild Oil Mist Section
    • Clean/Inspect Orifice and replace O-Rings
    • Clean/Inspect and/or replace filters
  • Rebuild Oil Injection Section
    • Clean/Inspect Oil Inject Valve and replace O-Rings
    • Replace Oil Injection filter
  • Rebuild Pressure Gauge
    • Clean/Inspect/ Pressure Gauge and replace O-Ring
  • Replace Pressure Relief Valve
  • Replace Helium Absorber
  • Replace Aeroquip fittings and O-Rings
    • Helium Supply and Return fittings
    • Oil Pump fill and drain fittings
    • Helium Charge fitting
  • Water Connection fittings – Water Cooled Only
    • Clean/Inspect and/or replace water inlet connector
    • Clean/Inspect and/or replace water outlet connector

7. Electrical Chassis  Rebuild

  • Verify 2 phase coldhead output power
  • Inspect/replace Power Components > 5 years old
  • Inspect/Replace I/O Connectors (On-Board Output and Remote)
  • Inspect/Replace Circuit Breakers (Main and Control) and Contactors
  • Verify On-Board output power

8. Rough Evacuation helium and oil ports for 8 hours

9. Helium Charge to specified static charge pressure

10. Final Test

  • Install Panels
  • Helium circuit leaked checked to 1 x 10E-7 sccm
  • Load Test
  • Record Compressor Input Current on all 3 phases
  • Record Compressor Inlet/Outlet Water Temperature
  • Record Cryopump’s Bottom out Times
  • Record Cryopump’s Bottom out Temperatures

11. Final Quality  Control Check List

  • Final Test Report attached to Compressor
  • Replace Service Label with hours recorded at time of service
  • Protective caps  installed on Supply/Return fittings
  • Protective covers installed on Power and Remote connectors
  • Package with accordance with DOT Standards

White Paper – Cause & Effect of Helium Contamination on a Cryogenic Vacuum System

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