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Installation

Cow Washer Installation Instructions

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Inspect the condition of the threads on the riser. Repair and clean threads if necessary.

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It is important that the Cow Washer be set at the proper height in the wash pen for the most effective washing of the udders.

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The Cow Washer must be installed so that the top of the Cow Washer is a minimum of 6 1/2" - 7" off the concrete floor as shown in the illustration above: Higher than 7" is O.K.

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Purge the water lines to remove any foreign items that may have become lodged in the risers.

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Prepare the threads on the riser with a high quality thread sealer (teflon tape or paste) following manufactures instructions.

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Screw your new Cow Washer head on hand tight. The knurled bands around the Cow Washer provide a gripping surface for hand tightening. Use a spanner wrench in the lower hole in the body to finish tightening the Cow Washer.

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DO NOT USE THE TOP HOLE IN THE LID TO TIGHTEN THE COW WASHER. DO NOT USE A PIPE WRENCH, SLIP JOINT PLIERS, OR SIMILAR TOOLS, AS THEY WILL SCAR THE OUTSIDE WALLS OF THE COW WASHER AND VOID THE WARRANTY.

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When installing border (180°) or corner (90°) Cow Washers, follow the steps above, only tighten to align the water stream using the proper spanner wrench in the bottom of the Cow Washer.

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DO NOT USE THE TOP HOLE IN THE CAP TO TIGHTEN THE COW WASHER OR YOU MAY VOID THE WARRANTY.

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During operation, particularly during the first hours of break-in time, variable rotation speeds may be noticed. This is not unuasual and favorable results will occur each and every use.

The Cow Washer Co.
1740 W American Ave
Oracle, AZ 85623

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© 2026 Cow Washer Co.

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