| Item | Part No. | Part Name | Qty | Serial No. |
| (723-28-50600) | CONTROL VALVE | 6501- | ||
| (723-28-50201) | CONTROL VALVE | 4001-6500 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1664-01A0 TO Y1664-25A0. | ||||
| 1 | 723-20-64300 | VALVE ASS'Y,SUCTION AND SAFETY | 4001- | |
| 2 | 07002-12034 | O-RING | 4001- |