Front damper doors on each hopper and the back damper door of the centre hopper are opened and closed by screw gear worked from a handwheel on the fireman's side of the cab.
Source: wiktionary
Handwheel
Synonyms for "handwheel" (4 found)
Ranked by relevance and common usage.
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
More general
3 entriesSample sentences
2 total sentences available.
When the large handwheel seen in the illustration of a 68000 class cab is moved from "stop" to "run", the traction circuit contactors are closed and the locomotive moves off with the diesel engine running at idling speed.
Source: wiktionary