Re: Help accessing SUP-R-LUBE grease port
These lubing systems are the worst idea to ever hit the market. I have an ezlube trailer with the zerk spindles and one squeeze too much and your rear seal is leaking. Then if you dont fix it you will be sitting along the road, hopefully you carry a full spare hub cause when they go you dont know if the races went too and must replace them.
Sup-r-lube is not a pressurized system. You will notice in the pictures at the beginning of this thread, the hub is open in front. When adding grease. The rubber plug should be removed to allow new grease to go into the back of the hub and old grease to exit the front. Afterward, the rubber plug is replaced to minimize water invasion from the front.
If you don't have the open hub, it would still be possible to remove the hub cap, insert grease from the fitting in the back, and then replace the hub cap.
If you have a closed hub cap and force grease into the hub, yes, it will create pressure and could blow the seal.
Bearing buddy is another system that is intended to create a little internal pressure with a spring. For that, you are right. Too much grease, the spring bottoms-out, and the pressure is forced throughout the back seal and into the brakes if you have them.
I submit neither is a bad system, they just need to be used properly.