If you feel there is free play between the worm and gear, you may tighten the gear screw to eliminate it.
To Adjust RA Gear:
The RA gear meshing adjustment screw is located next to the RA Gear Switch. The adjustment is same
as that for DEC gear/worm.
DO NOT over tighten the gear meshing adjustment plunger to avoid damage it.
Please contact support@ioptron.com if you need more information.