You should know, there were many and I say many versions of the Tokheim, tall and of course the short ones you are asking information for.
Start here, http://petrolianacollectibles.com/tokheim%20pumps.htm]
Now click on the model you have.
Now if you post just what 39 model you have, the guys will give you the answer you need.
Incidentally, I have over 12000 images of pumps shown on this section of my website, many with information like that at the top of the 39 page, enjoy.