Hello,
I know that over time a rubber impeller is going to get worn down and therefore performance of the pump will drop, which is why there is a recommended about of hours before replacing an impeller. But, what is the actual reason for this normal performance loss?
I would assume the rubber...
I am performing a tolerance stack up on a indicator push button that when pushed compresses a micro-switch. I haven't done a tolerance stack up before, but understand the basic idea. The part I'm struggling with is that there are moving pieces in the stack up.
Both the plus-sign shaped ejector...