Parts on group Boom Section, Pilot:
| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | AT320370 | [1] | Valve | |
| 1. | AT300827 | [1] | Valve | |
| 2. | AT171403 | [1] | Pressure Relief Valve | 2150 PSI |
| 3. | AT300803 | [1] | Pressure Relief Valve | 5000 PSI NOT ANTI -CAVITATION |
| 3. | AT301447 | [1] | Pressure Relief Valve | 5500 PSI NOT ANTI -CAVITATION |
| 4. | AT301128 | [1] | Pressure Relief Valve | 5000 PSI ANTICAVITATION |
| 4. | AT301487 | [1] | Pressure Relief Valve | 5500 PSI ANTICAVITATION |
| 5. | T118866 | [1] | Housing | |
| 6. | T118867 | [1] | Spring | |
| 7. | AT178363 | [1] | Pressure Relief Valve | |
| 8. | ........ | [1] | O-Ring | (A) |
| 9. | ........ | [1] | Back-Up Ring | (A) |
| 10. | T118681 | [1] | O-Ring | (A) |
| 11. | T191335 | [2] | Screw | |
| 12. | T201072 | [1] | Cap | |
| 13. | 790107100 | [1] | Screw | |
| 14. | T201306 | [2] | Retainer | |
| 15. | T201071 | [1] | Compression Spring | |
| 16. | T191346 | [1] | O-Ring | |
| 17. | 790106800 | [1] | Retainer | |
| 18. | T213059 | [2] | O-Ring | (C) |
| 19. | T81538 | [1] | Poppet | |
| 20. | T81539 | [1] | Spring | |
| 21. | T118685 | [1] | O-Ring | |
| 22. | AT178371 | [1] | Seal Kit | DRIFT CHECK |
| 23. | T201424 | [1] | Plug | |
| 24. | R26906 | [1] | O-Ring | |
| 25. | R111238 | [1] | Compression Spring | |
| 26. | R30903 | [1] | O-Ring | |
| 27. | T191336 | [1] | Plug | |
| 28. | T201069 | [1] | Cap | |
| 29. | T191334 | [2] | Screw | |
| 30. | T107887 | [2] | O-Ring | (B) |
| 31. | ........ | [2] | Back-Up Ring | (B) |
| 32. | T118681 | [2] | O-Ring | (B) |
| 33. | R63548 | [1] | O-Ring | (B) |
| 34. | ........ | [1] | Spring | (B) |
| 35. | ........ | [1] | O-Ring | (B) |
| 36. | AT314538 | [1] | Seal Kit | 23.3 MM (7/8 IN.) RELIEF VALVE INCLUDES ALL PARTS MARKED (A) (SUB FOR AT189413) |
| 36. | AT314539 | [1] | Seal Kit | 27.0 MM (1-1/16 IN.) RELIEF VALVE INCLUDES ALL PARTS MARKED (A) (SUB FOR AT189413) |
| 37. | AT300801 | [1] | Seal Kit | SEAL AND SPRING INCLUDES ALL PARTS MARKED (B) |
| 38. | AT280406 | [1] | Seal Kit | SPOOL INCLUDES ALL PARTS MARKED (C) (SUB FOR AT178372) |