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)
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?
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:
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