FX Crown Air Bottle question

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Humdinger said:
I had the same issue as you did with a new Crown leaking out of the box. I too thought it was the bottle leaking but it wasn't. It was leaking underneath the high pressure air gauge near the bottle. All it took was tightening the gauge about an 8th of a turn. However, tightening Crown gauges is a PITA because they are round and the space underneath requires a very thin 11mm wrench. I ground down a 7/16 wrench on a bench grinder to make it skinny enough to fit the square nut under the gauge. FX enjoys "user unfriendly" designs to discourage owners to fix problems on their own.
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In the future, you shouldn’t need to wrench on them to tighten. If the air is drained, you can tighten by hand enough for them to seal when re-pressurized.
 
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Finally received the new replacement O-rings for my Crown pressure gauge. They are much thicker and have distinctive differences than the OEM that came with the rifle. Spoke to Bryan (FX tech) on the phone and he said these are the ones they are sending out now and they seem to be an improvement. Aired the gun and it does not leak. The two photos of the rings (both sides) lying flat show the differences.

0-ring1.jpg


o-ring2.jpg


o-ring3.jpg
 
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Humdinger said:
I had the same issue as you did with a new Crown leaking out of the box. I too thought it was the bottle leaking but it wasn't. It was leaking underneath the high pressure air gauge near the bottle. All it took was tightening the gauge about an 8th of a turn. However, tightening Crown gauges is a PITA because they are round and the space underneath requires a very thin 11mm wrench. I ground down a 7/16 wrench on a bench grinder to make it skinny enough to fit the square nut under the gauge. FX enjoys "user unfriendly" designs to discourage owners to fix problems on their own.
Click to expand...
I went up to ACE Hardware and they had a small wrench packet of Craftsmen wrenches, including a 11mm, that is half the thickness of a normal 11mm wrench. Worked great. Also, Steve's Wholesale Tools had a 7/16th "thin" wrench for .39 cents. There is an indiscernible difference between 11mm and 7/16th.
 
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