Adrian,
I am surprised that the 83 tooth drive wheel is 120 deg. That is what is in
the DB3A wiper motor which had a date stamp of 6 62. I wonder why your TR4
motor has only 110 deg sweep? As far as cable length, I thought that I read
in the Moss that the cable must be cut to length. My wiper motor is done but
will not be installed until next year.
Peter Schoppelry
'^63 TR4 with the body now off the frame
dixie4@wales.freeserve.co.uk writes:
> I have at last checked the teeth on the drives.
>
> 110 deg (TR4) has 88 teeth. 120 deg (TR4A) has 83.
>
> A small point is that the drive cable is 1.5" longer on the TR4 which is a
> puzzle as it has a shorter sweep.
>
> Whilst rebuilding my mechanism I have ensured that the cable has gone back
> in upside down relative to its original position. I noted considerable wear
> on the spiral, this portion is now not in use.
>
> Adrian
> TR4A CT64306 O
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