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Bleeding lines - Best way?

post #1 of 14
Thread Starter 
Hi Guys,

I'm having a problem bleeding my loop. I've followed almost all of the instructions I've read but it doesn't seem to help.

The problem is the air is going to my res but immediately getting sucked back in to the loop via the pump. Is it possible my res/pump setup? It's a 5" bay res/pump combo. So the pump is set inside the res with an acrylic top.

The inlet of the top is: water in ---> 90 degree down --> (res) --> then inside pump.

There's gotta be an easier way. Maybe if I added a different res to the loop?
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post #2 of 14
pump power isn't enough, get one more in series
post #3 of 14
Thread Starter 
Quote:
Originally Posted by standup View Post
pump power isn't enough, get one more in series
I have two pumps in series. MCP350. So if the pump is powerful enough it pushes the air out? I'm confused.... I feel like my pump is too powerful so it pushes the air back into the loop instead of out in the res.
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post #4 of 14
Quote:
Originally Posted by standup View Post
pump power isn't enough, get one more in series


It's got nothing to do with lack of pump power... in fact it might be he has to much pump.

OP can you post a pic of the res? My first thought was to top off the res. Maybe even try running the loop with a single pump and see how bad the outlet sucks air to the pump then.
post #5 of 14
Is there enough room on the res (like not completely filled) for air bubbles to disperse? Also, run with the res top off for 24 hours or so.
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post #6 of 14
Quote:
Originally Posted by Intangible View Post
It's a 5" bay res/pump combo. So the pump is set inside the res with an acrylic top.


There's gotta be an easier way. Maybe if I added a different res to the loop?
This is why, any air going back into the res gets sucked right down into the pump due to the design of the res. Don't worry though there's an easy fix.

Cut a section of tube long enough so it doesn't fall into the res, BIG PAIN to get out, remember this.

Cut the other end to look like this, you want it you shaped. I like a really good sized piece:

Quote:
Get the wide mouth portion under the inlet of the res blocking the outlet on the pump. Bubbles now get diverted away from the pump.
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post #7 of 14
Thread Starter 
Quote:
Originally Posted by tsm106 View Post
This is why, any air going back into the res gets sucked right down into the pump due to the design of the res. Don't worry though there's an easy fix.

Cut a section of tube long enough so it doesn't fall into the res, BIG PAIN to get out, remember this.

Cut the other end to look like this, you want it you shaped. I like a really good sized piece:



Get the wide mouth portion under the inlet of the res blocking the outlet on the pump. Bubbles now get diverted away from the pump.

I have no idea what the tube is supposed to look like but it makes sense. I need to block the outlet and divert the air! Thank you.

Going to give it a shot now.
Main Rig
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CPUMotherboardGraphicsRAM
Phenom II X6 1090T @ 4.1 GHz Asus Crosshair IV Formula Radeon HD 6990 / 6950 Trifire 16 GB G.Skill 1600 (4GB x 4) 
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Main Rig
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CPUMotherboardGraphicsRAM
Phenom II X6 1090T @ 4.1 GHz Asus Crosshair IV Formula Radeon HD 6990 / 6950 Trifire 16 GB G.Skill 1600 (4GB x 4) 
Hard DriveOSMonitorPower
2x WD1600 7200 RPM Sata 3.0 | Raid 0 Windows 7 Ultimate 64 Samsung 24" Thermaltake TR2 1000W 
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post #8 of 14
I just leave the cap off and let it run for about 24 hours, always worked for getting the air out for me
post #9 of 14
Thread Starter 
It worked! I was able to cut the tube in half and slide it under the output. Most of the bubbles got dispersed pretty easy. But even some got sucked back in! Pump power ftw.
Main Rig
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CPUMotherboardGraphicsRAM
Phenom II X6 1090T @ 4.1 GHz Asus Crosshair IV Formula Radeon HD 6990 / 6950 Trifire 16 GB G.Skill 1600 (4GB x 4) 
Hard DriveOSMonitorPower
2x WD1600 7200 RPM Sata 3.0 | Raid 0 Windows 7 Ultimate 64 Samsung 24" Thermaltake TR2 1000W 
CaseMouse
Corsair 600T Logitech G500 
  hide details  
Reply
Main Rig
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CPUMotherboardGraphicsRAM
Phenom II X6 1090T @ 4.1 GHz Asus Crosshair IV Formula Radeon HD 6990 / 6950 Trifire 16 GB G.Skill 1600 (4GB x 4) 
Hard DriveOSMonitorPower
2x WD1600 7200 RPM Sata 3.0 | Raid 0 Windows 7 Ultimate 64 Samsung 24" Thermaltake TR2 1000W 
CaseMouse
Corsair 600T Logitech G500 
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Reply
post #10 of 14
^^Nice. Using that trick from the start you could fill your loop and be fully bled in 10 minutes.
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