1931 Ariel SQ4 - Halftime Gear Removal
The removal of the halftime gear was abit of a hurdle if you have no hint as to the proper way of doing it. I recieved some pictures and hints from the AOMCC group from Otto Mederle and Markus Nikot , Which have resulted in the following metod:
Comment to the last picture:
there is a piece of metal (red arrow) presses onto the shaft, prevent the
thread with a nut from damage. The supporttube (green arrow) presses against
the inner bearing. The force is going outwards.
First the timig side bearing have to be retrieved, The spacing between the
balls were removed, and metal wire were used to "fisk up the bearing once
it had gotten enough heat."
Then the Oilpump gear had to be retrieved. Remember that it uses Left rotation
thread.
After the extraction. (I can not hold the camera and extract the same time..) In
the first picture you can se the tube that fits over the shaft, and supports the
aluminium wall. The original nut is used together with a washer to pull the
shaft off... Heat was applied to the gear and shaft.. Just before the pull was
going to be made. WD40 was used to spray directly at the shaft thread, to shrink
it.
Pictures of the remaining bronze bush that is going to be replaced.
TO BE CONTINUED
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