Rotors
HRX 075 Filter cleaning
Last Updated: February 10, 2023Remove grass and dirt around the sprinkler head so you can see the top 1 ½ inches. Unscrew the cap and remove the stem assembly. Use pliers to extract the filter from the bottom of the stem assembly. Clean out debris and replace the filter. Replace the stem assembly to the sprinkler body and screw...
HRX 075 Installation
Last Updated: February 10, 2023Note: DO NOT use pipe dope on the threads. If necessary, use thread seal tape. Flush sprinkler lines. Thread the rotor onto a swing joint and set the head flush with the finished turf height. Set the spray distance after installation Set with water on under the system’s normal operating pressure. Note: Preinstalled nozzle (#2)...
HRX 075 Nozzle replacement
Last Updated: February 10, 2023See Nozzle Specs below for other distance ranges if needed. Note: the spring inside the canister is very strong. To access the nozzle, insert the plastic end of the key into the lifter socket. Turn the key 90° and pull upward. Firmly grip the sprinkler stem. Insert the hex (metal) end of the key into...
HRX 075 Pattern Adjustment
Last Updated: September 8, 2023The HRX 075 is preset for 180-degree operation. The pattern can be adjusted for operation between 40 and 360 degrees. 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...
Water Velocity and Pressure Loss
Last Updated: July 17, 2023Premature wear due to velocity (aka pressure loss) is harder to figure out. It generally isn’t a problem unless the water is really flowing fast through the pipe, like 8 feet per second or higher. Hydro-Rain recommends keeping the water velocity/pressure loss below 5 feet per second. The only way to determine if it is...