[Milsurplus] ARR-7 HELP Needed motor Thingus and etc to make work for ARR-7 hf rx. Seems people pulled the motor thing off the front. Help?

[ED SHARPE]

ARR-7  HELP Needed motor Thingus and etc to make work for ARR-7  hf rx.  Seems people pulled the  motor thing off the front. Help?.

Need to understand why e em though there is a dumimg knob this was removed?  Seems to be a hf scanning countermeasures receiver. Would like to restore back  to orig. Do not have orig p.s.   have a 3ed party one..  thanks Ed Sharpe  archivist for  SMECC

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