| Item | Part No. | Part Name | Qty | Serial No. |
| (723-47-20104) | VALVE ASS'Y | 21290- | ||
| (723-47-20103) | VALVE ASS'Y | 20805-21289 | ||
| (723-47-20102) | VALVE ASS'Y | 20005-20804 | ||
| (723-47-20101) | VALVE ASS'Y | 20001-20004 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1662-01A0 TO Y1662-19A0. | ||||
| 723-40-56302 | VALVE ASS'Y,UNLOAD | 20005- | ||
| 723-40-56500 | VALVE ASS'Y,UNLOAD | 20001-20004 | ||
| 1 | \6\ | SLEEVE | 20005- | |
| \6\ | SLEEVE | 20001-20004 | ||
| 2 | \6\ | VALVE | 20001- | |
| 3 | \6\ | SPRING | 20001- | |
| 4 | \6\ | PLUG | 20005- | |
| \6\ | PLUG | 20001-20004 | ||
| 5 | \6\ | PLUG | 20001- | |
| 6 | 07000-12014 | O-RING | 20001- | |
| 7 | 723-40-56350 | RING | 20001- | |
| 8 | 07000-12016 | O-RING | 20001- | |
| 9 | 723-60-22230 | RING,BACK-UP | 20001- | |
| 10 | \6\ | O-RING | 20001- | |
| 11 | 07002-12434 | O-RING | 20001- |
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- Main valve (1 actuator) (8/19) (arm crane¤ demolition spec.¤ 2 piece boom¤ slide arm)(#20001 )