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P-Valve installation

P-Valve installation

 

What is needed

The following items/materials were used to install P-valve:

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  1. - P-valve
  2. - AQUASURE
  3. - sandingpaper
  4. - cleaning alcohol
  5. - hammer
  6. - punch or pencil soldering iron
  7. - piece of wood
  8. - installation wrench

 

Decide the location of the P-valve

The position of the P-valve depens on whether you are carrying your gun ;-) either on left or right side. The P-valve should be installed on opposite sidefor nice hose routing. If you're carrying on left, have P-valve installed on right and vice versa. For women the side doesn't matter that much ;-)

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In our example, the position was chosen on the left. Choose the spot carefully and make sure there's nothing inside the leg that might get damaged when punching the hole. Inner thigh is an ideal location, not too deep inside the leg so that it won't affect kicking during dive. Not too far in the front so not to be damaged or get caught into something during dive. Make sure the suspenders are not in the way. Hose is normally too long for most users. This is so that one can shorten it for ideal hose routing. "Half moon" is how we have routed our hose and P-valve for smooth operation. For testing you can place P-valve on top of your suit. Make sure that hose reaches the middle of the suit at crotch in order to make sure the hose routing is as close to ideal as possible. Mark the hole location either with chalk or water soluble pen.

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Making the hole

It is very important that you measure the diameter of the P-valve. It is recommended to use punch to create the hole. It should be sharp. Make sure the punch diameter is maximum of same diameter that of P-valve. For 19mm Halcyon P-valve we used 18mm punch.

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Place piece of wood inside the leg and place under the marked location where hole will be punched.You might want wrap the piece of wood into a cloth just in case it splinters. This minimizes the possibility for any damage to your suit. Pull the suit material smooth and tight over the location to get rid of any wrinkles.

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Place the punch very firmly on the mark and with one or two powerful hits with the hammer you should be able to make a round hole. Make sure that punch is not moving. If possible, have someone assisting you to hold the wood and suit material tight and stretched in its place. Obviously high concentration and nerves of steel are needed. If you miss, you, or your assistant, will remember it for days to come ;-)

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Here the end result. As you can see, the hole isn't fully round. Reason being the punch wasn't the sharpest. We used sharp knife to cut off the excess to get round finish.

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Glueing the P-valve

Before you apply Aquasure on P-valve, use sandpaper to prepare both base and upper part. Clean both sides with cloth and cleaning alcohol.

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It is recommended to use Aquasure to ensure proper sealing and watertight asembly. Spread even amount of Aquaseal both on base and upper part. Avoid placing Aquasure on the edges to avoid drips and overflow. Put the base inside the leg. Make sure the hose routing is ideal and then push the base through the hole.

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Place the upper part on base and use wrench to tighten it up to its location. Don't overdo this. Once you feel it's getting tight, it's time to stop.

 

Please let Aquasure dry least for 12 hours before diving. Make sure that sufficient amount of air get inside the leg to help Aquasure dry properly and vent the gases.

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Once the sealant is dry, place the cap and screw it until snug. If you want, use the screw so that cap cannot be removed from the valve. Tighten the screw until the head almost touches cap body. Voila, you're done and your P-valve is ready for action! It's advisable to clean the P-valve occasionally by running vinegar through the system.


Autor: Juha Puumalainen