Hydraulic Fluid leak at quick coupler connection

   / Hydraulic Fluid leak at quick coupler connection #1  

Osconda

Silver Member
Joined
Apr 14, 2005
Messages
184
Location
Texas, Williamson County (aka Texas Hill Country)
Tractor
New Holland TC55DA, delivered 05/25/2005
I installed some quick coupler to my rear SCVs on my tractor and I'm getting some fluid leakage where the quick coupler screws on to the hose. What should I be using to help seal up the threads when I install the couplers? Can I use the teflon type tapes used on plumbing? Looking for something readily available.
 
   / Hydraulic Fluid leak at quick coupler connection #4  
I had trouble with one leaking threaded fitting just like you are seeing. Teflon tape did not make a long-lasting seal. I ended up using "Loctite PTFE/Anaerobic Pipe Thread Sealant For SS Threads, #567, 6-ml (.2-oz) Tube". Cost was around $4.00. McMaster-Carr is a good on-line source (www.mcmaster.com).

This stuff worked! No leaks a year after the fix. I think that there is enough sealant left in that .2 oz tube to fix a couple of dozen more hydraulic leaks.

Lou Braun
 
   / Hydraulic Fluid leak at quick coupler connection #5  
For more discussion on this (if you want it) check the archives using the search feature. I know from experience there's plenty of posts on this topic. I have personally used liquid teflon with good success...

Good luck!
 

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