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Replacing Orings in push in fittings


dennisvr
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Take out the collet (metal piece) with your fingers or grabbing edge with needle nose pliers, use dental pics (from Harbor Freight) to “dig out” old o-ring. Sometimes they can be hard and brittle so be sure and get all the pieces.  Center of connector will have small tube that will go inside airline for rigidity (it is solid in fitting and won’t come out with dental pics) so don’t be concerned.  Clean connector with alcohol and q-tip or pipe cleaner and blow dry with air.  Insert proper new o-ring ( sometimes requires manipulation with dental pics, not sharp point).  Reinsert collet, cut off bit of airline past old indention from collet, be sure cut is square.  Securely push back in connector and pull back slightly to get collet to catch.  Not a hard job and the collets can be cleaned and re-used if not damaged.

https://www.amazon.com/dp/B018A1X1VA/ref=asc_df_B018A1X1VA5298872/?tag=hyprod-20&creative=395009&creativeASIN=B018A1X1VA&linkCode=df0&hvadid=193227207088&hvpos=1o1&hvnetw=g&hvrand=17704666764576378080&hvpone=&hvptwo=&hvqmt=&hvdev=t&hvdvcmdl=&hvlocint=&hvlocphy=9013361&hvtargid=pla-373160725397

Edited by SuiteSuccess
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Thanks
I've got the Orings so now I have to get the time to dig in and get these air leaks fixed.  I should have asked if I had to replace the colletts at the same time.  I thought I did and Volvo said I had to order a package of 10 at $2.95 ea.  Lesson learned, ask questions from the experts on the forum first.
Carl, I think I got the #s from one of your posts and Volvo said a few of the #s were mix up. I think it was the 3/8, they said the oring # was for the collett and vise a versa.  I really applicate your post with the PNs, I don't think my Volvo dealer would have found them. 
Thanks again

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Dennis,

Have to give credit to MrSeas for the parts numbers.  He originally posted them.  I posted the Harbor Freight picks I got.  Don’t get the heavy duty ones.  They don’t work as well as the flimsy ones.  I actually took one of them and using needle nose pliers turned a tiny hook on the tip so it would grab the ring.

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Dennis you don't need to replace the collets unless they are broken or a leg (??) is bent up badly (you can do that removing they). Just be sure that you have at least 1 spare for when you drop one because they are next to impossible to find. I had an extra thanks to Mr.Seas and I needed it. Now I carry spares.

Changing is just like Carl said. I did find that on a hard O ring that it came out easier if you use a small screw driver and cut the O ring. Then fish out the pieces. 

Brad

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21 minutes ago, HERO Maker said:

Depending on which air system you are on, get rid of all air everywhere so the lines aren't pressurized.  Pump your brakes if need be (as Carl and I found out).

Yep, air lines will not come out easily if the line is pressurized.  Would also recommend buying a set of these.  Makes life much easier and you will use them a lot.

https://www.homedepot.com/p/Lisle-Air-Line-Disconnect-Set-5-Piece-LIS42400/207010907?cm_mmc=Shopping|THD|google|&mid=sBW7BiWnK|dt_mtid_8903tb925190_pcrid_195274179091_pkw__pmt__product_207010907_slid_&gclid=EAIaIQobChMIsbazreiE2AIVikoNCh06bwYzEAQYBSABEgKX5PD_BwE

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10 hours ago, Jack Mayer said:

I think it would be helpful if someone posted the list of part numbers in this thread....I cannot find them at the moment...

 

Here's the post I got them from.  Volvo told me that a few were mixed up so you should verify what the part is when you order.

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Here's another post from MrSeas with the PNs.

MrSeas

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Go to the dealer and get the replacement parts for the push in connector. There is an "0-ring" and a brass collet that are replaceable. The O-ring is a greenish-blue color
Here are the Volvo part numbers:
1/4 O-ring 85108484 price $0.48 (each) come in a bag of 10
1/4 brass collet 85108476 price $ 2.86 (each)
3/8 O-ring 85108485 price & 0.56 (each) come in a bag of 10
3/8 brass collet 85108477 price $ 3.10 ( each)
1/2 O ring 85108486
1/2 brass collet 85108475
To replace the parts is pretty straight forward.
Please release all the air pressure in your system before attempting this repair!
1. Depress collar on fitting and remove line.
2. Remove brass collet. I use a pair of needle nose pliers.
3. Remove O-ring. Sometimes a bit of a challenge. I use a set of " dental picks" one straight and one with a 90" bend at the end. Use the picks to remove the O-ring. Most times it will be dry rotted and come about in prices. Make sure to remove all of the pieces. Insert new O-ring and be careful not to damage it.
4. Insert collet. Most times I will use the old one if it is still in usable shape. Most times the o-ring is the cause of the leak.
5. Trim off the end of the line before inserting into the "rebuilt" fitting. I like to do this when ever I have enough slack in the line. Sometimes it's not possible. When inserting the line into the fitting press the line in until it "bottoms" out in the fitting before you pull back on it to lock it in.
6. Pressure up your system and check for leaks. Sometimes a little wiggle on the line after it is pressurized will help it seat.
After this less costly repair attempt you may still have to repair/replace your pass-thru.
Good luck!

 

On Edit: These instructions were written with the "Newbie" in mind.... Lots of folks have already been down this path. Not trying to get anyone upset. This is how I do this type of repair. No need to buy the "gold plated" Volvo brass fittings if I can just repair it.

In most cases the "fitting" is fine it's just a worn out O-ring.

Edited August 16, 2015 by MrSeas

 

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  • 2 years later...
On 12/14/2017 at 8:12 AM, dennisvr said:

Here's another post from MrSeas with the PNs.

MrSeas

  • Major Contributor
  • MrSeas
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  •  
  • 1,127 posts

Go to the dealer and get the replacement parts for the push in connector. There is an "0-ring" and a brass collet that are replaceable. The O-ring is a greenish-blue color
Here are the Volvo part numbers:
1/4 O-ring 85108484 price $0.48 (each) come in a bag of 10
1/4 brass collet 85108476 price $ 2.86 (each)
3/8 O-ring 85108485 price & 0.56 (each) come in a bag of 10
3/8 brass collet 85108477 price $ 3.10 ( each)
1/2 O ring 85108486
1/2 brass collet 85108475
To replace the parts is pretty straight forward.
Please release all the air pressure in your system before attempting this repair!
1. Depress collar on fitting and remove line.
2. Remove brass collet. I use a pair of needle nose pliers.
3. Remove O-ring. Sometimes a bit of a challenge. I use a set of " dental picks" one straight and one with a 90" bend at the end. Use the picks to remove the O-ring. Most times it will be dry rotted and come about in prices. Make sure to remove all of the pieces. Insert new O-ring and be careful not to damage it.
4. Insert collet. Most times I will use the old one if it is still in usable shape. Most times the o-ring is the cause of the leak.
5. Trim off the end of the line before inserting into the "rebuilt" fitting. I like to do this when ever I have enough slack in the line. Sometimes it's not possible. When inserting the line into the fitting press the line in until it "bottoms" out in the fitting before you pull back on it to lock it in.
6. Pressure up your system and check for leaks. Sometimes a little wiggle on the line after it is pressurized will help it seat.
After this less costly repair attempt you may still have to repair/replace your pass-thru.
Good luck!

 

On Edit: These instructions were written with the "Newbie" in mind.... Lots of folks have already been down this path. Not trying to get anyone upset. This is how I do this type of repair. No need to buy the "gold plated" Volvo brass fittings if I can just repair it.

In most cases the "fitting" is fine it's just a worn out O-ring.

Edited August 16, 2015 by MrSeas
 

 

I need a part number for 1/8” collet and oring please. God bless you guys, this is going to

save me alot of money and work. 

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