| 1. | Upon receipt, coolers are checked for serial numbers and part numbers against customer purchase order. |
| 2. | Pacific Oil Cooler Service work order number and green tag is assigned to each unit separately. |
| 3. | Unit is disassembled as required. |
| 4. | Unit is cleaned in a vapor-degreaser, both inside and outside. |
| 5. | Outside area is cleaned with compressed air to remove any contamination. |
| 6. | Appropriate hoses are attached to mate each unit to flushing benches. |
| 7. | Unit is pressure tested. |
| 8. | Unit is inspected for cracks and leaks. |
| 9. | Unit is repaired if repairable. |
| 10. | Unit is flushed, under high pressure and high volume, with Surjex (complies with Mil-C- 6864c) until a 100 mesh exhaust screen show no sign of contamination. |
| 11. | Unit is flushed in both directions to X-Ray quality. |
| 12. | When bench flushing is complete, unit is internally cleaned with Trichlorethane to remove flushing compound. |
| 13. | Unit is then flushed in Stoddard Solvent under high pressure and high volume, in both directions to X-Ray quality, on a 10 micron bench until screen shows no contamination. |
| 14. | Unit is drained and blown dry. |
| 15. | Any necessary fin straightening is completed. |
| 16. | Thermostat is temperature checked separately and replaced if necessary. |
| 17. | Seals and O-Rings are replaced as necessary. |
| 18. | Unit is re-assembled as required. |
| 19. | Unit is safety wired as necessary. |
| 20. | Unit is pressure tested, bead blasted and alodined or painted as appropriate. |
| 21. | Unit is again pressure tested. |
| 22. | Protective seals are applied where needed. |
| 23. | Unit is given final inspection. |
| 24. | Yellow tag is completed and attached showing overhaul, cleaning, and/or repairs, with reference made to Pacific Oil Cooler Service work order number. |
| 25. | Unit is individually packaged to prevent contamination in preparation for return to customer. |
| 26. | Our cleaning procedures are integrated with your Repair Specifications, MJ-70-24-13-06-ES and/or maintenance manuals from the manufacturer (as necessary). |
| 27. | The Station Procedure Manual is available for your inspection upon request at our facility. |