Never mind the position of the pump head, it was just illustration.
Tubing was bought in a pet store (6mm) and T connector online from eBay. 
Drill a 5mm hole in the cap of the carbonated bottle. 
Get an old tube and cut out the valve. Hacksaw it in two, use the bottom half in the soda cap. Use the other half in the tubing. 
Pump up the bottle to 70PSI safely and then release the clamp holding the tubing over the valve (with core removed). Job done
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Never mind the position of the pump head, it was just illustration. Tubing was bought in a pet store (6mm) and T connector online from eBay. Drill a 5mm hole in the cap of the carbonated bottle. Get an old tube and cut out the valve. Hacksaw it in two, use the bottom half in the soda cap. Use the other half in the tubing. Pump up the bottle to 70PSI safely and then release the clamp holding the tubing over the valve (with core removed). Job done

2 Comments

  • + 1
 only seeing this now...@WoodenCrow you just hold it down. You'll have one hand for releasing the clamp and one to hold the tubing on.
Sometimes you need to remove the valve core until you get the bead seated, replace the core and pump up using regular pump.
I suppose you could get less cheap than me and find another pump head and attach it to tubing.
  • + 2
 Right on, thanks for sharing!
How do you get the valve stem to seal and stay put in the soda bottle cap?

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