The direction of the jet is to the right.
Turn the stem clockwise or anticlockwise while the body of the sprinkler is held fast.
This adjustment must be made while the system is in operation.
The direction of the jet is to the left.
The sprinkler delivers a wide range.
Turn the red ring anticlockwise for a shorter jet or clockwise for a longer one.
Now the sprinkler delivers a minimum range.
If the sprinkler operation is abnormal, should the head become fouled by grit, sand, soil or other dirt, proceed as follows: holding the stem with one hand, unscrew the upper part;
take out the filter and clean it, together with the upper part of the sprinkler, under running water;
reposition the filter and reassemble the upper part of the sprinkler.
Cod. 90220