| SERIAL NO. 80199 INDICATES D21A-7. THE OTHER MACHINES ARE AS FOLLOWS. |
| D20A-7 = 80089 |
| D20A-7B = 80060 |
| D21A-7B = 80143 |
| END |
| NUT |
| NUT |
| PIN |
| ROD |
| END,ROD, L.H. THREAD |
| NUT |
| END,ROD, L.H. THREAD |
| NUT |
| NUT |
| PIN |
| ROD |
| END |
| NUT |
| LEVER |
| PIN |
| WASHER |
| PIN |
| SPRING |
| WASHER |
| PIN |
| SWITCH |
| BOLT |
| WASHER |
| BOLT |
| WASHER |
| EXTENSION |