OC3 Hydro Pump

Started by ChrisL, July 04, 2005, 08:31:48 PM

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ChrisL

July 04, 2005, 08:31:48 PM Last Edit: January 01, 1970, 12:00:00 AM by ChrisL
When tryng to rasie the blade on my OC3 - the hydro pump stops turing - even when not working the hydrualics the belt is slipping - I adjused the belt so that it is pretty tight - but no improvement -  - I just purcased this tractor so I dont know when it last worked.

pump is mounted below the crank and runs off the frt crank pulley

could it be that I need to overhual the pump? - parts??

not sure what make/model the pump is, I have digital pictures I could email to someone who is willing to help

best regards,'
Chris - (Maine)

Blake Malkamaki

#1
July 04, 2005, 09:16:13 PM Last Edit: January 01, 1970, 12:00:00 AM by Blake
I never saw a belt-driven hydraulic pump on an HG or OC-3. Most are right off the front of the crankshaft. What company made your dozer?
My gramps Howard van Driest was Experimental Engineer at Cletrac and Oliver Corporation. After the plant closed, he and my uncle started an excavating business, initially using Cletrac and Oliver Crawler tractors. Please help Support This Site and give your business exposure by buying a business card sized ad.

ChrisL

#2
July 04, 2005, 09:59:49 PM Last Edit: January 01, 1970, 12:00:00 AM by ChrisL
I am under the impression that I have purchased an Oliver OC3 -  belt driven pump - driven off the crank shaft - I could send you a few photos if you would llike to take a look my email address is:

mailto:LTHEDANSKER@AOL.COM">LTHEDANSKER@AOL.COM

I do not know how to insert a picture here[/img]
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