Are you changing the road wheels Russel? The Israeli ones had the bolted, not welded, roadwheels. The AMX 13-75 on display at Latrun is not an ex-Israeli one.
When I built the Takom AMX Chaffee I just removed the welds and added bolts:
Have you seen this thread?
Olivier has some great info, especially on the Israeli AMX that may have info you could use. Cheers