Question about Keurig B100 Coffee Maker

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B100 Keurig Eric (Burnzy), I tried the new check valve -in line-with the old one and it didn't fix the problem I am having. When you disassembled the pump, was it the pump on the right side or the pump on the left side?  Was is difficult taking that pump apart? Any tips during disassembly/reassembly?  I admire that you were able to get 3 of these back to working.  Thanks for taking the time to assist me with this. I'm not the most mechanical, but I do like my coffeemaker and I like the challenge.  And thanks for the tip on where to get that check valve!!

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The pump is on the right side, has two wires coming out of it, and is connected to the check valve with a silicone hose. When you run a cycle, to brew a cup of coffee, that pump should be pumping air out, which pushes the hot water out of the tank.

So to test it, disconnect the hose and run a cycle to listen and feel for air coming from the pump. If it is not working (frozen due to the water permitted to enter from the failed check valve), you must remove it to dismantle the top part of the pump.

Getting the pump out is a little tricky... as you will see. There is only one philips head ***** holding it in, however, it is not easy to get to. I used a 90 degree angled *****driver, which worked well, after trying many other options.

Once you get it out, remove the three philips head *****s on the top of the pump right near where the hose was connected. Then separate the two sections of the pump. Inside there will be a fitting in the center that spins to actuate the pump. This fitting must be freely moving. If it is not, use WD-40 or a similar product to free the motor.

Clean up all the WD-40 from inside the chamber (so your coffee does not taste like oil) and reassemble. Then test it by running a cycle. The pump should now be working, if not repeat the process until the pump operates.

Since my last post, I have fixed another B100 that had the same issue. Keurig will not sell you a replacement pump or check valve, so you must repair that pump.

Good Luck, I hope this works for you. Erik

Posted on Mar 10, 2008

  • madredepaul Dec 22, 2010

    I would love to try this fix, but can't figure out how to open the casing. Simply removing the screws from the bottom don't do it. Can anyone explain the trick to opening the machine for me?

×

The b 2000 and b2003 have the same pump but different mounting bracket and plug ends

Posted on Apr 08, 2008

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