| 188 / | HD | BRAKES | 
| * | DD | WHEEL {10} | 
| 71.1 | DF | .~ Axially movable brake element or housing therefor {8} | 
| 73.31 | DF | .~.~ Retainer for brake element {8} | 
| 73.43 |  | .~.~.~ Including actuator slidable in plane parallel to axis of rotation of wheel {1} | 
| 73.44 | DF | .~.~.~.~> On axially extending pin {1} |