I/H 3514 Loader Backhoe question

[Uncle914]

I have a International industrial 3514, year unknown. While rewiring tractor with new harness, I have come across what seems to be an ether/starting fluid mechanism. There is a push button on the dash, which goes to a pump which ultimately feed into air intake line. Has anyone seen this before? It seems to be missing the bowl under the electrical "motor". I cannot find it in the parts manual or any of the other manuals. Is the bowl available? Any insight will be helpful thanks, Bob.