My e-stop buttons on my boom and trailer pump (Schwing) need some fixing. My knobs and the switches could use some attention. Problem is they want 150. bucks a piece. Any one know of a good source for e stop replacement parts, or ideas for fixing them generically.

Princess auto seen them for cheap

He's on the south side of the 49th, so no PA stores for him, but perhaps Harbour Frieght or Northern Tool may have the same Chinese stuff as our stores up here.

150 bucks seems not too much for worry free operation...just like everything else, you need to maintain them, get some CorrosionX, you'll never change another e-stop.

FYI, here's a link to the Pricess Auto switch:

http://www.princessauto.com/pal/product/0700322/Emergency/Emergency-Stop-Switch

Gboom the problem is there are six of them on my boom pump and two on my little line pump. 

I could think of better things to spend my money. I have how ever become an expert on fixing Schwing e stops. I can whip out my ohm meter and start at the first in line and work my way down the system to find the culprit. Ground and voltage drops can shut down the pump.