| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20R-01-28110 | COVER | 4501- | |
| 2 | 01010-31025 | BOLT | 4501- | |
| 3 | 01602-01030 | WASHER,SPRING | 4501- | |
| 20R-01-28200 | COUPLING ASS'Y | 4501- | ||
| 4 | 20R-01-11210 | RUBBER | 4501- | |
| 5 | 20N-01-12160 | BOSS | 4501- | |
| 6 | 01252-41030 | BOLT | 4501- | |
| 7 | 04025-00408 | PIN,SPRING | 4501- | |
| 8 | 01252-41035 | BOLT | 4501- | |
| 9 | 01010-31020 | BOLT | 4501- |