 AAR valve, Is it possible to repair |
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| Ian Stott |
 Nov 18 2019, 04:17 PM
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#1
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Senior Member  Group: Members Posts: 907 Joined: 28-January 08 From: Moncton/Canada Member No.: 8,635 Region Association: Canada  |
Having trouble sourcing a new or good used AAR valve, all help much appreciated. Can they be reconditioned?
Ian Stott Moncton Canada |
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| pete000 |
Nov 18 2019, 04:32 PM
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#2
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Senior Member Group: Members Posts: 1,885 Joined: 23-August 10 From: Bradenton Florida Member No.: 12,094 Region Association: South East States |
QUOTE(Ian Stott @ Nov 18 2019, 02:17 PM)  Having trouble sourcing a new or good used AAR valve, all help much appreciated. Can they be reconditioned? Ian Stott Moncton Canada Soak it in a cup of kerosene for a couple days, then give it a couple taps and blow it out. It usually frees them up for years of sitting stuck. Easy to bench test it after to verify its working properly by timing the valve operation. |
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| Ian Stott |
Nov 19 2019, 05:43 AM
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#3
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Senior Member Group: Members Posts: 907 Joined: 28-January 08 From: Moncton/Canada Member No.: 8,635 Region Association: Canada |
QUOTE(pete000 @ Nov 18 2019, 06:32 PM) QUOTE(Ian Stott @ Nov 18 2019, 02:17 PM) Having trouble sourcing a new or good used AAR valve, all help much appreciated. Can they be reconditioned? Ian Stott Moncton Canada Soak it in a cup of kerosene for a couple days, then give it a couple taps and blow it out. It usually frees them up for years of sitting stuck. Easy to bench test it after to verify its working properly by timing the valve operation. Thanks |
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| Ian Stott |
Nov 19 2019, 06:33 AM
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#4
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Senior Member Group: Members Posts: 907 Joined: 28-January 08 From: Moncton/Canada Member No.: 8,635 Region Association: Canada |
OK, I was calling it the wrong thing! It is sometimes called a decelleration valve, mine needs replacing but my searches come up as it being no longer available, can it be reconditioned?
Ian Stott Moncton Canada |
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| BeatNavy |
Nov 19 2019, 06:55 AM
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#5
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Certified Professional Scapegoat Group: Members Posts: 2,924 Joined: 26-February 14 From: Easton, MD Member No.: 17,042 Region Association: MidAtlantic Region 
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Pretty much the same procedure. Soak it in a penetrant of your choice. Blow it out with compressed air (carefully). You can test it with a vacuum pump.
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| jcd914 |
Nov 19 2019, 05:09 PM
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#6
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Advanced Member Group: Members Posts: 2,081 Joined: 7-February 08 From: Sacramento, CA Member No.: 8,684 Region Association: Northern California |
Check it with a vacuum pump at the small nipple and see if it holds vacuum and whether the valve opens when you apply vacuum.
They have a rubber diaphragm so you need to be careful what you use to try to clean them as some solvents or oils will break down the rubber. Put a WTB ad in the classifieds, there are working used one out there. Jim |
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| dr914@autoatlanta.com |
Nov 19 2019, 05:48 PM
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#7
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914 Guru Group: Members Posts: 7,810 Joined: 3-January 07 From: atlanta georgia Member No.: 7,418 Region Association: None |
I agree, subject to blow by and then the diaphragm rusts shut
\ QUOTE(BeatNavy @ Nov 19 2019, 05:55 AM) Pretty much the same procedure. Soak it in a penetrant of your choice. Blow it out with compressed air (carefully). You can test it with a vacuum pump. |
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| Ian Stott |
Nov 20 2019, 05:54 AM
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#8
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Senior Member Group: Members Posts: 907 Joined: 28-January 08 From: Moncton/Canada Member No.: 8,635 Region Association: Canada |
Posted in the WTB section, hope someone responds! Going to do the soaking in kerosene method as advised by other members, will post my results.
Ian Stott Moncton Canada |
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