Hydraulic cylinder protection...is it needed?
I have the HWH hydraulic leveling system and will have my 4 jacks fully extended and exposed to the elements for 1 or more months. Should I apply a spray lubricant or protective spray to the exposed c...
Forum Discussion
The lower seal is also a "wiper". The upper seal that is always immersed and inside the housing is the seal that fails when the jack leg is slow or fails to retract all the way. HWH and Powergear and RVA Jacks have springs to retract. All others are power down and power up. Like I stated, you just want to overthink and nitpick this issue. Doug
