I put a new air cylinder on the Series 1 rigid ram ($22 from MSC) but in doing so disturbed the adjustment, such as it is. With the old cylinder, the spindle would stop so fast you thought it might break something. Basically instant. With this one adjusted as it is, it stops in about 1-2 seconds. What is normal?
The only adjustment seems to be the trunnion on the end of the cylinder (fine), and the splines on the arm (coarse). The brake shoes are the same ones, looked good when I put them back in.