Pattern Adjustment
The HRX 075 is preset for 180-degree operation. The pattern can be adjusted for operation
between 40 and 360 degrees.
1. Turn the top of the head all the way to the left until it stops and then all the way to the
right. The top of the head must be in this position to make adjustments.
2. Insert the plastic end of the adjustment wrench into the pattern adjustment hole (circle
with plus and minus signs on either side).
3. Turn clockwise to increase rotation; counterclockwise to decrease rotation. Each full turn
increases/decreases rotation by 90˚.
Nozzle Replacement
Please Note: See Nozzle Specs below for additional nozzle details.
1. To access nozzle, insert the plastic end of the adjusting key into the lifter socket.
2. Turn the key 90° and pull upwards.
3. Firmly grip the sprinkler stem.
4. Insert the metal hex end of the adjustment key into the distance adjustment slot.
5. Turn the screw counter-clockwise until it just clears the nozzle.
6. Apply water pressure to the system and the nozzle will pop out. Or use pliers the grip the
edge of the nozzle and pull out.
7. Insert the replacement nozzle so the diffuser screw channel is on the top and turn the
diffuser screw back into place. See previous instructions to reset spray distance.
Cleaning the Filter
1. Remove grass and dirt around the sprinkler head exposing at least 1 ½ inches of the
sprinkler body.
2. Unscrew the cap and remove the stem assembly.
3. Use pliers to extract the filter from the bottom of the stem assembly.
4. Clean out debris and rinse clean then replace the filter.
5. Replace the stem assembly into the sprinkler body and screw cap on tightly.
