repairs
I've read that you should clean and lubricate both dump valves yearly. I bought a used class B+ in late 2019, not sure if previous owner ever did that. I'm pretty handy, but a little nervous about ta...
Forum Discussion
I did something similar to Iamichabod's video except I just drilled a pilot hole and installed a grease fittings one for black and one for gray. Every couple of years I just pump some grease into valves and work the handle back and forth and they become easy to open again. For some reason the black tank dump valve is the one that needs more lube than the gray.
