| Item | Part No. | Part Name | Qty | Serial No. |
| (YM172423-74101) | VALVE ASS'Y,CONTROL | 20109- | ||
| (\0\YM172423-74100) | VALVE ASS'Y,CONTROL | 20001-20108 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.H0120-51A0 TO H0120-55A0. | ||||
| 1 | YM172425-74340 | .SPACER | 20001- | |
| 2 | YM172425-74350 | .SECTION,SPOOL | 20001- | |
| 11 | YM172151-74320 | ..O-RING | 20001- | |
| 13 | YM24321-000650 | ..O-RING | 20001- | |
| 14 | YM172425-74570 | .SECTION,SPOOL | 20001- | |
| 25 | YM24321-000650 | ...O-RING | 20001- | |
| 26 | YM933166-80520 | ...WIPER | 20001- | |
| 29 | YM933171-80610 | ...O-RING | 20001- | |
| 30 | YM172425-74420 | ..VALVE,RELIFE | 20001- | |
| 31 | YM172116-74150 | ...O-RING | 20001- | |
| 32 | YM24315-000100 | ...O-RING | 20001- |