If the sprinkler does not rotate:
a. The sprinkler is blocked. Especially during new installations foreign material may find a way into the pipeline;
b. The pressure is too low;
c. There is a leak in the feeder lines;
d. There is a blocked sieve on the suction line;
e. There are air locks in the feeder line.
- Be aware of excessive air in the pipeline. Open valves slowly to prevent water hammer. This will allow time for the air to escape through the sprinklers. In severe cases air relief valves should be installed.
- Take the extruding part of the flow controller firmly by hand, and move it back and forth, while pulling at the same time. The flow controller should slip out. The sleeve may be removed to ease the cleaning process. Replace the controller. Press the controller firmly home.
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