I read through the messages and really appreciate all the info. I am not in a place where I can take the pump apart very easily (elk hunting). I made the mistake of not running the water after filling the tank for the first time this season until I got to camp. Pump won't prime even after inverting the filter housing and the placing water (through a tube) and toggling the on on/off switch as described in the FWC troubleshooting video. Water just sputters out in bursts like there is trapped air. Any other tricks to try short of disconnecting the pump and pulling it apart? Hoping to avoid that but suspect that's next!