790 John Deere
mainiak1
Join Date: Jul 2003 Posts: 22 Maine |
2002-10-17 43945
I have a 790 John Deere and the "o" rings on the end of the
hydrolic rams will not stay in. The cylinders do not leak. I think they are there to clean off the big stuff so the
dirt doesn't damage seals.I push them back in the cylinders
and as soon as I retract and extend the rams there they
are sitting out in the open.
Has anyone had this problem? Any ideas on ways to make
them stay in place?
Thanks in advance,
Norm
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790 John Deere
DRankin
Join Date: Jan 2000 Posts: 5116 Northern Nevada Pics |
2002-10-17 43953
I am told that those O rings are only there to keep paint out of the system during manufacture. They are supposed to be removed during dealer prep. There was a thread in the last 30 days or so on the topic but it related to Kubotas, but I'd guess Yanmars/Deere are the same. ....
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790 John Deere
Art White
Join Date: Jan 2000 Posts: 6898 Waterville New York Pics |
2002-10-18 43956
We normally do not remove them at assembly, they do continue to work on the ram from time to time wipng it down. They are installed to keep paint from geting in the seal area and eventually flaking off and causing a leak. As Mark stated you can remove them if you choose to. They are of no value to the seals within the cylinder than what I have mentioned. ....
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790 John Deere
jeff r
Join Date: Jul 2003 Posts: 428 burton. michigan Pics |
2002-10-18 43978
I wondered what they did. I never knew they kept paint out, but like the tag on the mattress that said, "Do Not Remove Under Penalty of the LAW", I removed mine since they serve no purpose. ....
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