It's a combination drain hole and flush hole . It's a drain hole because we need to drain the water from below the nozzle turret so it doesn't push up on the nozzle turret in freezing climates. It’s a flush hole because when the head retracts, water and …

If the right side of the arc is not properly aligned, the results may be a wet walkway or a dry turf area. The right side arc can easily be realigned.  NOTE:  Prior to making the right side adjustment, make sure the top turret is reset. Rotate the turret …