| Item | Part No. | Part Name | Qty | Serial No. |
| 453-364 | MOTOR ASS'Y | 5001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1640-01A0 AND Y1640-02A0. | ||||
| 458-328 | VALVE ASS'Y,RELIEF | 5001- | ||
| 1 | SLEEVE | 5001- | ||
| 2 | SEAT,VALVE | 5001- | ||
| 3 | VALVE | 5001- | ||
| 4 | PISTON | 5001- | ||
| 5 | SPRING | 5001- | ||
| 6 | SCREW | 5001- | ||
| 7 | O-RING | 5001- | ||
| 8 | PISTON | 5001- | ||
| 9 | NUT | 5001- | ||
| 10 | 453-550 | O-RING | 5001- | |
| 11 | 450-950 | RING,BACK-UP | 5001- | |
| 12 | 453-557 | O-RING | 5001- |