Treadle Vac Issue
Posted by Troy Taylor On 2015/4/12 18:22:51
This will probably open a can of worms as most T-V subjects do.
In Feb, I purchased several rebuild kits from the regular channels and Rebuilt the T-V. As normal new piston cups and seals were coated with Brake Fluid for assembly.
I went to install the T-V today and before I did, I removed the reservoir cover to insure their was no debris and give it a final clean out. when I opened the reservoir, I found black goo and shreds of o-ring every where. Since I only hand screwed the compensator valve in two months ago,( to be torqued at final inspection) I did not cut and shred it upon installation.
The O-ring for the compensator turned out to be Buna, which of course is NOT compatible with Brake or Steering fluids, the break down. I replaced it with a Butyl which is perfect for those fluids.
Querry: Was this a mistake when the kit was built and Buna got used or is this how they are coming out? If so, may lend validity to some of the recent issues we have been hearing about failures not too long after rebuilds.
Attach file:
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In Feb, I purchased several rebuild kits from the regular channels and Rebuilt the T-V. As normal new piston cups and seals were coated with Brake Fluid for assembly.
I went to install the T-V today and before I did, I removed the reservoir cover to insure their was no debris and give it a final clean out. when I opened the reservoir, I found black goo and shreds of o-ring every where. Since I only hand screwed the compensator valve in two months ago,( to be torqued at final inspection) I did not cut and shred it upon installation.
The O-ring for the compensator turned out to be Buna, which of course is NOT compatible with Brake or Steering fluids, the break down. I replaced it with a Butyl which is perfect for those fluids.
Querry: Was this a mistake when the kit was built and Buna got used or is this how they are coming out? If so, may lend validity to some of the recent issues we have been hearing about failures not too long after rebuilds.
Attach file:
(94.95 KB)
(89.99 KB)
(96.54 KB)
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