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Old September 29, 2012, 04:58 AM
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Thanks guys, I finally managed to get it bleed out all the bubbles. Funny enough, it took less than 15mins to fully bleed once I got it going.

Anyways, I decided to mod the pump to be switchable 10/18w. So I choose high power or low power whenever I want.
Unfortunately, you cannot switch the power on-the-fly, but you have to shut off the pump first ( I assume the microproc detects the signal at power up)

Here's a pic: (and Varroa, your pump is in good hands :) )
What did you finally do to get it to bleed? Did you restrict the flow somehow or was your mod to lower the voltage the trick?
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Old September 29, 2012, 10:34 AM
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A bit of everything haha. Having higher alternating flowrates and turning on and off got the big ones out, but the tiny bubbles were still flowing too quickly, so I had to squeeze the inlet tube to the pump.
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Old September 29, 2012, 10:44 AM
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A bit of everything haha. Having higher alternating flowrates and turning on and off got the big ones out, but the tiny bubbles were still flowing too quickly, so I had to squeeze the inlet tube to the pump.
I usually do a 5 minutes on / 5 minutes off at the start of the bleed process to help it along. Now as always, I stand to be corrected, but in the future I'd suggest "squeezing" the outlet of the pump rather than the inlet. It is possible to physically damage WC pumps if you were to accidentally cut off the inlet flow completely.
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Old September 30, 2012, 12:46 AM
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Originally Posted by sswilson View Post
I usually do a 5 minutes on / 5 minutes off at the start of the bleed process to help it along. Now as always, I stand to be corrected, but in the future I'd suggest "squeezing" the outlet of the pump rather than the inlet. It is possible to physically damage WC pumps if you were to accidentally cut off the inlet flow completely.
it will damage if close off the suction side for are introducing cavitation to pump
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