| Item | Part No. | Part Name | Qty | Serial No. |
| (709-99-14900) | CONTROL VALVE | 20001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1660-21A0 T0 Y1660-28A0. | ||||
| 1 | 709-90-54600 | VALVE ASS'Y,RELIEF | 20001- | |
| 2 | 700-93-11320 | O-RING | 20001- | |
| 3 | 700-93-11330 | RING,BACK-UP | 20001- | |
| 4 | 07002-13634 | O-RING | 20001- | |
| 5 | 709-90-59400 | VALVE ASS'Y,RELIEF | 20001- | |
| 6 | 700-22-11410 | O-RING | 20001- | |
| 7 | 07002-02434 | O-RING | 20001- |