Re: KR> Tips for flushing brake lines

2017-12-09 Thread John Bouyea via KRnet
Thanks Jeff & Jerry.
I disconnected the lines, pumped fresh 5606 through and they ran clean much 
more quickly than I would have guessed.
I popped out the caliper pistons, washed all those parts, lubed it all with 
5606 and installed new O-rings.
Then I flushed the brake cylinders with more 5606, reassembled everything and 
it looks good to go!
Thanks again for the tips.

PS Jerry7S5; you at Independence, OR?

John Bouyea
N5391M/ KR2
OR81/ Hillsboro, OR
2015 KR@MMV Gathering CoHost

... 5606 hydraulic fluid is petroleum based... Definitely avoid Methyl Ethyl 
Ketones (MEK) and anything like lacquer thinner as they break down plastics
Jerry7S5 


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KR> Tips for flushing brake lines

2017-12-09 Thread sierrab24r via KRnet



Tips for Flushing Brake Lines? 

Does anyone have suggestions for flushing the goo out of the flexible
plastic lines? 
*

John,
5606 hydraulic fluid is petroleum based so I have used mineral spirits to flush 
the goo out of nylaflo lines.  Once the goo is out I then follow with some 
clean 5606 (lines disconnected) to flush.  Definitely avoid Methyl Ethyl 
Ketones (MEK) and anything like lacquer thinner as they break down plastics
Jerry7S5
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Re: KR> Tips for Flushing Brake Lines?

2017-12-08 Thread Jeff Scott via KRnet


In all likelihood, those are nylaflow lines.  If they are 1/4", you'll be doing 
yourself a favor by changing them out for 3/16", or even 1/8" lines.  I've run 
across crapped up brakes where the Mil-5606-H had separated and turned to muck 
a few times.  I remove the pucks from the slave cylinders and clean and dry 
them thoroughly.  Remove the O rings from the pucks and clean the grooves in 
the pucks and clean the O-rings as well if you intend to re-use them.  I prefer 
to replace the O-rings.  Also inspect the walls of the slave cylinders for 
pitting.  If pitted, you can work them over with some emory or crocus cloth.  
Just make sure the scratches are radial around the bores.  Pump the master 
cylinders until nothing comes out.  You can add some more 5606 to the master 
cylinder reservoirs and pump it through if you think you need to.  Reassemble 
and fill the brakes again from the bottom up. 
 
-Jeff Scott
Cherokee Village, AR
- 

Sent: Friday, December 08, 2017 at 4:43 PM
From: "John Bouyea via KRnet" 
To: KRnet 
Cc: "John Bouyea" 
Subject: KR> Tips for Flushing Brake Lines?
I'm working on something that's been sitting too long. The red hydraulic
fluid in the lines and in the calipers has gelled. I haven't gotten into the
brake cylinders yet but that's coming.

Does anyone have suggestions for flushing the goo out of the flexible
plastic lines? Sorry I don't know what type of clear plastic they are made
from.



John Bouyea
N5391M/ KR2
OR81/ Hillsboro, OR
2015 KR@MMV Gathering CoHost



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KR> Tips for Flushing Brake Lines?

2017-12-08 Thread John Bouyea via KRnet
I'm working on something that's been sitting too long. The red hydraulic
fluid in the lines and in the calipers has gelled. I haven't gotten into the
brake cylinders yet but that's coming.

Does anyone have suggestions for flushing the goo out of the flexible
plastic lines? Sorry I don't know what type of clear plastic they are made
from.

 

John Bouyea
N5391M/ KR2
OR81/ Hillsboro, OR
2015 KR@MMV Gathering CoHost

 

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