Discussion:
blown seals

I have a SA that blows the seals on the mini mast lift cyl , I have changed out the kits and gone as far as a new cly. It runs well and does not hit the limits , anyone with some ideas.
  • Posted 2 Sep 2015 05:30
  • By milford
  • joined 5 May'15 - 9 messages
  • Alberta, Canada
Showing items 1 - 3 of 3 results.
ok ordered a relief and a mini mast transducer just to be on the safe side , and at the top you are right it does not seem to bypass. I will up date when the parts come
  • Posted 5 Sep 2015 03:46
  • By milford
  • joined 5 May'15 - 9 messages
  • Alberta, Canada
I've seen a couple of odd ball things cause seals to blow out- excessive temps- How hot does the oil get in this cyl compared to the other cyl's?, Environment- How is the surface this unit rides on- smooth or moderately bumpy? Tires- same as enviroment. Operator- is he/she constantly "bumping" the hoist cyl up & down rather than smoothly operating the hoist.
  • Posted 2 Sep 2015 23:48
  • By bbforks
  • joined 1 Mar'12 - 1,437 messages
  • Pennsylvania, United States
bbforks (at) Hotmail (dot) com
Customers love technology- until they have to pay to fix it!
What is the pressure relief set to? You should be around 2000psi.
I would start there.. if the prop valve was bad and the cylinder had no deceleration it should still not blow the seal out.
  • Posted 2 Sep 2015 06:25
  • By stam
  • joined 12 Aug'12 - 779 messages
  • Ontario, Canada

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