Put your RV on flat concrete. Take the pad and apply spry silicone, set the pad on the foot one at a time. Have someone lower the jack you have the pad on. The weight of the RV will snap it on. If it does not work the first time you may need more pressure, so have some blocks the size or larger that the pad. Place the block under the pad, apply the pressure and it will snap on. We did all four in 20 minute.
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