Change Defective Valves: Comparable to replacing hoses, change defective valves with new ones that match your boat lift’s specifications.  You could walk on the concrete in the course of this time, but you shouldn’t touch or disturb the drill holes as they need 24 hrs to fully dry. Confirmed Maintenance: https://stair-lift-installation-n34442.is-blog.com/34069119/5-simple-techniques-for-lift-amc-services