| 251 / | HD | VALVES AND VALVE ACTUATION |
| 89 | DF | WITH MEANS FOR BLOCKING OR DISABLING ACTUATOR {6} |
| 95 | DF | .~ Released by non-valving actuator motion {3} |
| 96 | ![]() | .~.~ Linear reciprocation of rotary handle {1} |
| 97 | DF | .~.~.~> Latch connects actuator to body through head |