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Member Post posted an update
York Centrifugal Chiller techs………On the older York YTK chillers from early 2000’s, a lot of them used the 6-spring style shaft seal. We have had a few issues with those not lasting very long; thrust is within specs ( .015 ). I want to replace the 6-spring seal with the bellows style seal; which is a conversion with new cover plate. Has anybody had luck doing this and are the bellows seals a better solution. Please advise
Member Post, Member Post and 2 others6 Comments-
I know the conversion kit is 10K or close the maintenance kit around 4.5K and the 6 Spring around 2.5K. I have heard two sides. some went back to 6 spring after the bellows and I heard some say the bellows have held up. I will do more digging.
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Thank you Brian. I have researched this via some old YTK York chiller dogs as well and your information is spot on.. I could not find a reason that justifies the extra cost to convert to the bellows style so I just ordered the 6 spring seal. Appreciate the feedback sir.
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JCI has the upgrade, Texas Air systems can also get it. Yes the bellows are better. make sure you follow procedures for replacement. if you dont have the procedure i can email it to you
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Thank you Paul, appreciate the feedback. We have already replaced the seal with the 6-spring seal. We did not do the conversion. There seems to be conflicting opinions on this subject, that is for sure.
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Paul,
can Texas Air System sell Lippert Mechanical Service OEM York chiller parts? We currently use both Baltimore Parts and Midwest Parts out of Louisville. Let me know and I will get us setup with an account. We like purchasing parts from Authorized dealers that actually work on the chillers; that always seems beneficial to the field techs. Please advise -
I’m a retired York mechanic, the bellows are better seals, but having said that, I have run YT chillers 15 to 20 years with those old style seals. Is your chiller going into a surge?
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