Building a 1933 Harley-Davidson VL: Transmission Prep


My transmission started out basically as an empty case.  That meant I got to skip a hour or so of tear down before beginning the cleanup.  All the case studs were also in good shape, so there was no need to remove them either.  The outside was a little crusty, but the inside was nice and clean.


The first step was to clean all the case studs with a wire brush on a rotary tool.


Next the case was prepared for blasting.  All bearing surfaces were covered as well as the threaded openings for the mainshaft and countershaft.  Once that was complete, the case took a nice long sand shower in the blasting cabinet.  This was followed by a brush down with a wire wheel and a wash with lacquer thinner.  High pressure air was used between every step to blow out any debris.

With the case cleaned it was on to the transmission lid.  On the V-series three-speed transmission, the transmission lid contains quite a few parts that needed to be removed first.  On one end is the gear lock plate which is keyed to a shaft going through the lid.  The gear shifting fork is attached to the end of the same shaft inside the transmission.  The other end of the lid houses the spring loaded sliding gear fork plunger.


These parts were all easily disassembled with hand wrenches before heading to the blasting cabinet.  As before, all bearing surfaces were covered before any blasting took place.  The slider gear fork plunger was the only piece which was cleaned solely with a wire wheel.  All other parts were blasted first before getting the wire wheel treatment.


After the lid components were cleaned, it was on to the kicker parts.


Only a couple bearing surfaces to cover and they were ready to blast and wire wheel.


Now it was time to paint the exterior pieces.  Every part got another bath in clean lacquer thinner and was thoroughly dried with compressed air before being hung to paint.  The kicker arm, kicker spring and clutch release fork all got a good coat of hi-temp black paint.  Everything else got a coating of silver paint.


 While the paint was drying, the last step was to remove the bottom studs and to re-install them with sealer to help prevent leaks.


These first steps don't seem like much, but in reality they took up almost of full day of work.  So far, the cleaning has been the most time consuming part of this build.  Up next, assembly!

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1 comments:

teufelziege said...

Hi, I'm interested in you build! I'm doing my own 1932 vl with a sidehack!