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How to rebuild an APS BOV

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Old Apr 28, 2008 | 05:38 AM
  #1  
shadow1's Avatar
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From: Laurel, MD
How to rebuild an APS BOV

Anyone know how to disassemble an APS BOV? The 4 allen bolts on the bottom just remove the hose adapter. There are holes in the side of the BOV with what appears to be drilled out bolts. I assume these drilled out bolts hold the piston assembly in place. Anyone know how to dissemble this BOV so I can clean out and regrease the piston assembly?
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Old Apr 28, 2008 | 05:41 AM
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I'd like to know this as well. The "working just fine" bov i got from an evom member wont hold anything past 14psi. sounds like a giant queef.
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Old Apr 6, 2010 | 06:38 PM
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From: New Lenox, IL
Did you guys ever figure this out??? I'd like to know as well.
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Old Apr 6, 2010 | 07:04 PM
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I don't believe you can take it apart.
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Old Apr 6, 2010 | 09:19 PM
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Remove the 4 allen bolts and pop the bottom off. Remove the adjustment screw then stick something in the hole and push the piston out the bottom. Its very simple.
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Old Apr 7, 2010 | 06:48 AM
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^^^^exactly. There is an O-ring inside that holds the piston in. I gave up on my APS years ago. I now run the Synchronic. Absolutely the best BOV that I have used.
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