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#1
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Brake bleeder device
Folks--
This is really something I should know and I am a little embarrassed that I don't. The topic is brake bleeders. Not the fill fitting on the bottom of the calipers, but rather the device one uses to push brake fluid uphill into the system (I fill from the bottom up, which works very well for this plane). Until recently I used a little squirt gun contraption that several of us cobbled together. It never worked to full satisfaction but I grunted through. During the last fill cycle I broke our little squirt gun and a guy on our field hauled out his own homemade filler to save the day. He had a pressure sprayer (the sort of plastic pump-up pressure pot item that one often sees used to dispense weed killer or pesticides, etc) with a fitting on the end that attached to the bleeder fitting. Super simple, super effective. He has gone to Florida for the winter so A) I can't borrow his any longer or B) ask him the particulars of his device. So I'm asking you. One guy on the field is hypothesizing that the key element of the device (the fitting that attached to the bleeder valve) is nothing more than a fitting for a grease gun. This is very plausible but I'm not sure. The geometry looks pretty close. Another guy is fairly sure the fitting in question is an Aircraft Spruce (or Wicks, or WAG Aero) part that is specific for the purpose. In the Spruce catalog it is P/N 87-5, Cleveland Brake Line Bleeder. Which of course begs the question of whether or not it is only for Cleveland fittings. Can't tell from the line drawing. It does not look the same as the one my guy on the field had. And yes Spruce also sells the whole assembly in one go but it is nearly $70 plus shipping, whereas I can get the constituent parts for less than $15 if the fitting is generic. So, what's the fitting? Thanks in advance, and stay safe. Steve. |
#2
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Brake bleeder device
I use an oiler squirt can I got from ACE(?) hardware. Attached some
tubing to the squirt end and manage to get all the bubbles out. A little messy but it works. I really don't need to bleed it that often. --------------------------------------------------------------------- SQ2000 canard http://www.abri.com/sq2000 |
#3
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Brake bleeder device
mine is a chunk of 4 inch pvc with a cap glued on one end and a screw plug
in the other. a tire valve stem is mounted in the cap. a hole is drilled and tapped in the side of the tube at the bottom and a small brass valve is inserted. a small tube that fits over the bleeder screw is attached to the valve. fill the pvc tube with 5606 screw the cap on, charge it to about 30 psi with the compressor, slip the tube over the fitting, crack the bleeder fitting and open the valve slightly.....vola cost about 3 bucks....... R. burns wrote in message ... I use an oiler squirt can I got from ACE(?) hardware. Attached some tubing to the squirt end and manage to get all the bubbles out. A little messy but it works. I really don't need to bleed it that often. --------------------------------------------------------------------- SQ2000 canard http://www.abri.com/sq2000 |
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