{Collins} Collins 70E-12 PTO

A general message looking for subject PTO brought no response.  Hard to believe there are not any PTO's out there.  I have a 75A2 I am trying to restore and it was bought, as working great.  I discovered that not only this was not true but one of the problems was that it had the WRONG PTO in the receiver.  The PTO in the receiver is a 70E-15 which is for a R388/51J3 type receiver and tunes 2-3 Mhz.
Since I can't seem to locate a 70E12 has anyone any information on modifying the 70E-15 to tune the range of 1.995 - 2.955 so that I could use it in the 75A2.

Is there anyone out there who rebuilds PTO's or can give me some information on making the 70E-15 work in a 75A2 or must I find a 70E-12 which at this state seems not a easy task.  

Any comments appreciate from the group.

73 Gary

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