ya thats the primer im looking at sorry im a little new on here and its taking me alittle while to figure the workings on the site. i do have an IH but i also have some chevys... you could say im an "equal opportunity collector" ranging from motorcylces to trucks n cars. but the main thing im trying to get to work is the "draft" on the pump it seems i cant "pick" one up.. i looked at the diagram and i cant see (lack of glasses) where or if the primer takes oil. or even if thats my problem. so im asking for a little kick in the right direction thats guys