Uploaded July 2023 | Updated September 2026, 2 weeks ago

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Our RV slide-outs and leveling jacks stopped working. Here's how I diagnosed and repaired the problem with the hydraulic system. Hopefully this will help you find and fix the problem, especially if you have a HWS hydraulic system or older Class A motorhome.

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*Where to order HWH hydraulic parts*
Ordered from Stuarts Service rvleveling.com (800 826 6267)
Our Replacement motor: HWH Part# RAP90311 (on motor #08053 1)

*Helpful Hydraulic System Electrical Guide and Troubleshooting Reference*
HWH Hydraulics Electrical Systems (Training Doc) - hwhcorp.com/ml57000-017.html

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