Hi Jim, I have done a bit of research on the 5127 this morning; it seems info, spare parts and manuals for this model is pretty thin on the ground. It seems to have been manufactured in the 1970's. I am sorry I don't have any more for you.
Please do not PM me asking for support. Please post your questions in the appropriate forums, as the replies it may receive may help all members, not just the individual member. Kindest Regards, Darryl