OP
Jon Nellis
Contributor
Any assembly that goes in the water can leak, which is why we have a test port. Vacuum tests are mostly useless, since they may (or may not) tell you there's a leak, but not where it is, so you can fix it. If you suspect you have a leak, 3-5 psi of air pressure in the DPV submerged in water will tell you if and most importantly WHERE you have a leak.
All you need is a -4 o-ring boss fitting (-4 = 7/16-20 thread) and a matting schrader valve from McMaster Carr or you can find them already together from Fox Racing (search FOX-802-00-013-KIT)
Remove the screw on the tail (inside) that allows air to flow from the motor to the battery compartment. Close up the DPV and then 3-4 pumps with a normal floor standing bike tire pump (don't use an air compressor) dunk it in water and look for bubbles.
The number one reason I've seen for leaks is hair on the seals, typically pet hair. O-rings AND THEIR GROOVES should be cleaned and well greased every time the DPV is closed up for diving. On machined surfaces, o-rings do not make a seal, they fill 99.8% of the gap and the grease actually makes the seal.
All you need is a -4 o-ring boss fitting (-4 = 7/16-20 thread) and a matting schrader valve from McMaster Carr or you can find them already together from Fox Racing (search FOX-802-00-013-KIT)
Remove the screw on the tail (inside) that allows air to flow from the motor to the battery compartment. Close up the DPV and then 3-4 pumps with a normal floor standing bike tire pump (don't use an air compressor) dunk it in water and look for bubbles.
The number one reason I've seen for leaks is hair on the seals, typically pet hair. O-rings AND THEIR GROOVES should be cleaned and well greased every time the DPV is closed up for diving. On machined surfaces, o-rings do not make a seal, they fill 99.8% of the gap and the grease actually makes the seal.
