Open the front two jacks valves with a 9/32" hex key wrench. Spin the nut counterclockwise with a drill, It takes a 1/2" socket to fit the nut. Spin it until the jacks are all the way up and keep it spinning for 10-15 more seconds to build pressure in the system that will clear the jacks down alarm. My system sees pressure to indicate jacks are up.
Close the front jacks valves and repeat the procedure for the rear jacks.
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2017 Thor ACE 27.2
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