Forum Discussion

jpwiggo's avatar
jpwiggo
Explorer
Jan 03, 2017

Keeping Jacks Down for Storage to reduce tire flat spots

I know from my tire engineer friends, that the weight sitting in one spot is bad for these 22.5 RV/commercial type tires, and reduces tire life. I'm still on my OE tires (11 years old) and want to ke...
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Tom_Barb's avatar
Tom_Barb
Explorer
Jan 05, 2017
frankdamp wrote:
The pistons stay inside the cylinders all the time. It's the piston RODS that extend outside the cylinders on hydraulic levellers and that's what developed the corrosion on mine. .


The lift cylinders on my HWH system are hydraulic and the rod end of the cylinder is chromed and sticks out when the cylinder extends, lifting the coach.

how a hydraulic cylinder works

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