Yes. Always tube UP to the note. Also if they are open frame you can loosen the screw in the center if the big gear and that allows string tension to always keep the gears meshed. That gear "drag' is the direct solution for keeping that type if tuner working smoothly.
A little bit of play in the gears is normal.
'73-4 Ampeg V4B, Ampeg PF350,PF115HE, PF115LF, 115 Traynor, 1962 Fender Jazz, 75 Gibson G3, '10 Squier VM Jazz, Squier CV 60's P Sonic, Squier CV 50's P blonde, Epiphone Thunderbird IV