model a ujoints

[d.c.gregory]

hello,
Am in process of installing model a in oc3, have question about disassemly of model a joint is there a special tool or how do you get  round snap ring out to take apart? would like to use two nice u joints i acquired to make short shaft as shown on this aux trans page, all very well done material and has been very helpful so far.
thanks
Curt