| Item | Part No. | Part Name | Qty | Serial No. |
| (706-73-01162) | MOTOR ASS'Y | 57000- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1640-11A0 AND Y1640-12A0. | ||||
| 702-73-01520 | VALVE ASS'Y,RELIEF | 57000- | ||
| 1 | \6\ | SLEEVE | 57000- | |
| 2 | \6\ | SEAT,VALVE | 57000- | |
| 3 | \6\ | VALVE | 57000- | |
| 4 | \6\ | PISTON | 57000- | |
| 5 | \6\ | SPRING | 57000- | |
| 6 | \6\ | SCREW | 57000- | |
| 7 | \6\ | O-RING | 57000- | |
| 8 | \6\ | RING | 57000- | |
| 9 | \6\ | NUT | 57000- | |
| 10 | 723-60-22230 | RING,BACK-UP | 57000- | |
| 11 | 07000-F2016 | O-RING | 57000- | |
| 12 | 07002-12434 | O-RING | 57000- | |
| 13 | 706-77-72280 | PLUG | 57000- | |
| 14 | 07002-12034 | O-RING | 57000- | |
| 15 | 706-75-74920 | PLATE | 57000- | |
| 16 | 07000-11007 | O-RING | 57000- | |
| 17 | 01252-60825 | BOLT | 57000- |