Results for "shuttle valve"

Starting to think my Braun RV lift is eating through battery power way faster than it should, dying completely halfway up every single time. We have a Braun lift on our converted shuttle bus, and I'm running into a frustrating problem that has me stumped.

The lift works fine going up and it folds/unfolds without any issues. But when I try to lower it, it consistently stops about halfway down and the control button completely loses power. The only way I can get it working again is to manually raise or lower it using the hydraulic manual override, then the power comes back.

I'm wondering what typically causes this kind of behavior? Is this likely an electrical problem, something with the hydraulic system, or maybe a sensor issue? I'd appreciate any troubleshooting tips since I'm not sure where to start looking for the problem. …more

Before I throw more money at this HWH leveling system, my neighbor swears it's the shuttle valve, the RV dealer wants to sell me a pump, and YouTube says something totally different. Here's what happened: my shuttle valve failed, so I replaced it following the manual. The system worked fine initially - all jacks cycled properly during testing and worked the first night out. But on the second night, the pump started sounding different and the jacks wouldn't extend at all.

A tech came out and found zero discharge pressure from the pump. Now I'm facing a $5k replacement, but I'm worried there might be underlying contamination issues. Could debris from the original shuttle valve failure have damaged the pump? I really don't want to install a new expensive pump only to have the same thing happen again.

Should I be concerned about system contamination, and what steps should I take before replacing the pump? I'm nervous about doing more damage if there's debris circulating through the hydraulic lines. …more