| SERIAL NO. 80198 INDICATES D21A-7. THE OTHER MACHINES ARE AS FOLLOWS. |
| D20A-7 = 80088 |
| D20A-7B = 80059 |
| D21A-7B = 80142 |
| BRACKET |
| BEARING |
| YOKE |
| BEARING |
| KEY |
| LEVER |
| BOLT |
| WASHER |
| PIN |
| LEVER |
| PIN |
| END |
| END |
| NUT |
| BOLT |
| WASHER |
| LEVER |
| KEY |
| LEVER |
| BOLT |
| WASHER |
| LEVER |
| BOLT |
| WASHER |
| LEVER |
| BOLT |
| WASHER |
| SHAFT |
| KEY |
| END,ROD, L.H. THREAD |
| BOLT |
| WASHER |
| END |
| BOLT |
| WASHER |
| ROD |
| ROD |
| NUT |
| NUT |