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General Discussion of preventative/corrective maintenance and other technical issues regarding your coach that are not covered in other Mechanic's Corner categories (ex. refrigerators, water heaters, and compressors).

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  #1  
Old 03-08-2010
NH Bill's Avatar
NH Bill NH Bill is offline
1983 FC 35 "Casa Billisa"
 
Join Date: Jan 2008
Location: St. Petersburg
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Default Service brake line chafed and replaced

Hello all,

I'm starting wrap up my non Bird winter projects here in St. Petersburg and thinking about rolling north in a couple of weeks. This winter has flown by and I am feeling guilty for not finding time yet to meet up with some of you that are down this way. Too much to do, family and friends visiting agahhh...its all been a flash.

Well, back to the subject of this post.

I recently made time to inspect cables and lines that run along and across the undercarriage of our 83 FC 35.

For the most part, I was pretty happy with what I found. There were a number of places that needed to be padded, loomed and zip tied, but I did not come across anything alarming until I found a pretty big bundle of cables resting on the service brake line inside the front drivers side wheel well.

Apparently, these have been there for some time as they chafed the line down to the cords! ... not too good.

Jim Harvie was in town and stopped by to give me a hand with a few things including this little project. He made it seem real easy. While on the brake lines, he checked the automatic slack adjusters and found they were WAY out of spec. As I understand it, these are not supposed to move more than an 1 inch when pried, mine were probably more than two inches out. Again, Jim made this seem real easy. Thanks Jim!

Here are two pictures of the chafed line, one of the new one and one of Jim and me in front of our coaches. This is a relatively easy and inexpensive replacement. The driver's side is tricky because there are chassis heat lines in the way along the frame rail and these have to be carefully lifted away to allow room for the wrench.

The line is a stock part at Fleet Pride.

Part # RH16320 (1/2" X 20" AB HOSE 3/8" ENDS EA)


NH Bill
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Bill and Lisa Garamella
83 FC-35 SB "Casa Billisa"
2006 Jeep Liberty CRD
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Last edited by NH Bill; 03-08-2010 at 08:47 PM. Reason: added information
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  #2  
Old 03-08-2010
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Good catch Bill. Bravo Zulu
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Old 03-08-2010
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Bill,
And that part number would be?
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Old 03-08-2010
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NH Bill NH Bill is offline
1983 FC 35 "Casa Billisa"
 
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Reasonable request... guess I can't expect you to read it from the photo.

Part # RH16320 (1/2" X 20" AB HOSE 3/8" ENDS EA)
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2006 Jeep Liberty CRD
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  #5  
Old 03-08-2010
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I just had my brake lines checked last week.

Found minor cracking on all lines at their flex points. Minor air leak on the driver's side rear service brake, and a leak on the passenger side rear parking brake. Both leaks were minor, and caused by the cracks at the flex points.

Needless to say, I had all lines replaced. Only cost me $200. Money well spent, in my opinion.

-Robert
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Old 03-08-2010
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Bill, Thanks, I need them also, Mine look pretty old and cracked.
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Old 03-09-2010
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Interesting you bring up auto slacks that still need adjustment. Recently we had a thread regarding upgrading to auto slack adjusters, I asked a friend who is a former heavy diesel mechanic and a boom truck operator (Randy knows him as "Phil") he said his commercial truck still needs manual adjustment all the time as the auto adjusters hang up, dirt, junk, what ever. He also mentioned that when doing the adjustment it is a good time to look around at things like rubber air lines and such, make sure everything is groovy.
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