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100 hydraulic pump questions

C

chad from michigan

Member
ok took the pump off the 100 to get the seal fixed. I can not find a part number on that to save my life. I am going to try to clean it up again today and look. I did find a C stamped into it and a #1 but that was it. From the pics it looks like a Thompson model. Who would be the best place to call and would know what parts to order? I can call my local place but would prefer to have all the part numbers in hand can anyone help?
Thanks
Chad
 
here is a picture of the pump. If I take the front gasket off can I put this in a mineral spirit bath to clean it with out wrecking the internals? Do I need to split this anyway to put the new seal on it?
Thanks
a45203.jpg
 
oldiron I did go there and guess what there is like 3 pumps that it could be and I do not want to get the wrong stuff if I am not sure of the part number for the pump.
 
You have to split it to remove the seal. Tne number is probably covered with paint. The pump looks better in it's native grey aluminum color anyway.
 
You wont know which seal you have until you take the pump apart. It is either an o-ring or a seal. If the shaft is worn where the seal rides you will need a speedy sleeve to get that part of the shaft back to original as the new seal riding in the grouve will not last.
 
just to get this correct I need to replace the seal under the front drive gear correct?
Its a HPI-1-89 CR seal under the drive gear.
I have a bearing house not far from work can I just take the seal there and get a new one?
Chad
 
On mine, (a Pesco on my SA), the number is stamped, but it"s shallow, and couldn"t be seen until I carefully scraped off the paint.
 
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