Chum lee wrote:
I don't understand why locating hydraulic seals is an issue. Most seals are used in multiple applications, just like bearings, bolts, nuts, etc. Because of that, seal manufacturers standardize the sizes to minimize their inventories.Because of that, seal manufacturers standardize the sizes to minimize their inventories. If you have the old seals and a magnifying glass, there are numbers on the seal which identify it by manufacturer, size, and material. Most hydraulic shops can help you.
That said, some seals are not designed to be serviced because of how they are installed. If your jacks are like that, you may be buying new ones.
Chum lee
If that were only true, it would make things a lot easier. Unfortunately, this is not the case. And those numbers you speak of...If you don't know who the original manufacturer of the seal is, the number will do you no good. Sometime, they will print the sizes on the heel face of the seal, but those are typically done on metric seals.