Crossword Genius

Lever altered, readjusted (7)

Ross

I believe the answer is:

treadle

'lever' is the definition.
(treadle is a kind of lever)

'altered readjusted' is the wordplay.
'readjusted' indicates anagramming the letters.
'altered' is an anagram of 'TREADLE'.

(Other definitions for treadle that I've seen before include "Foot-operated lever" , "driving mechanism" , "Alerted (anag)" , "Foot-pedal" , "Foot lever working machine" .)

I've seen this clue in The Times.
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