Homeowners - Page 67

 

Arc Adjustment

Adjustable heads are preset to approximately 180 degrees. The PGP-ADJ is adjustable from 40-360 degrees. The PGP Ultra is adjustable from 50-360 degrees. Sprinklers may be adjusted with water on or off. It is recommended that initial adjustments be made before installation. Note: Reference illustration above for arc adjustment socket location.

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Hunter rotary sprinklers operate on a “gear drive” system. When in operation, water turns a small turbine in the base of the sprinkler, which drives a series of gears that cause the head to rotate. The Hunter gear drive mechanism is sealed from dirt and debris. Age, excessive pressure, or poor water quality may eventually allow particles of contamination to enter the gear drive.

If the sprinkler is no longer rotating and the water flow coming out of the sprinkler has decreased, you can first try cleaning out the filter by removing the pop-up assembly from the main body. 

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There are two reasons why there might be a wet spot around your sprinkler:

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Yes, if you know the model of the existing manufacturer's sprinkler, you can use our Replacement Charts to find the appropriate Hunter pop-up or rotor that will have a similar flow and distance range. Hunter has rotors and sprinklers to fit all applications.

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Hunter rotors have replaceable riser seals that may wear out over time. Sandy soils, sunken heads, or extremely hot and cold temperatures may also cause a seal to wear out prematurely.The riser seal is available as a single replacement part (P/N 181500) or replacement kit which includes 10 seals (P/N 253400).

Click here to find an authorized Hunter distributor

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Production of the G-Type rotor was discontinued 14 years ago, though many are still in use today. If a G-Type rotor needs to be replaced, the PGP-ADJ or PGP-Ultra is the current equivalent replacement.

 

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The HUNTER ADJUSTMENT WRENCH consists of a 3/32 Allen key, two convenient finger loops for gripping, and an opposite side arc adjustment key for all your Hunter rotor adjustments. The Hunter wrench can be purchased from your local distributor. You can also use a 3/32 Allen key for radius adjustment only.

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