bijur metering units
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  1. #1
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    Default bijur metering units

    I was recently changing 3 FJB0 units to FJB1s
    and I tried cleaning the others - degreaser and compressed air. When I looked into the input end of the old units they were packed with fibres - I wasn't sure if this was some kind of filter so didn't want to mess too much. The new units arrived and I noticed they were clear with a brass gauze as a filter, so I made a hook from a paper clip and went about picking out the old units - the pictures shows about 1/2 of what came out of each unit. Is it possible the one shot pump filter is made of felt or similar and this is what has gradually been blocking these up?
    dscf5666.jpg

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    The fibers are the filter for the unit.
    It doesn't take much crud to get past the felt filter and plug the metering unit.
    There is a lot of crud in the felt you have picked out.
    It is wise to replace the input filter on your pump too, it is probably filled with crud too.

    Bill
    Last edited by hitandmiss; 02-21-2020 at 09:26 AM.

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  4. #3
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    The other thing you will find is that it is not worth your time to try to salvage an old metering unit. Once they plug just replace them.

    Tom

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  6. #4
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    Type F.. units have a check valve. Flow is from inlet to outlet only.
    untitled1.jpguntitled2.jpguntitled3.jpg
    John

  7. #5
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    Quote Originally Posted by hitandmiss View Post
    The fibers are the filter for the unit.
    It doesn't much crud to get past the felt filter and plug the metering unit.
    There is a lot of crud in the felt you have picked out.
    It is wise to replace the input filter on your pump too, it is probably filled with crud too.

    Bill
    The new units I ordered haven't any fibre filter in them - you can see the brass gauze. Thats why I picked all the fibre out of the old ones - the old ones have gauze filters in them

  8. #6
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    dump the old ones! we've all been there and done that. Check out LubeUSA- much easier to deal with than Bijur.

  9. #7
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    If you need parts check this place out personally owned for over 30 years here is the link to their lubrication stuff Lubrication – BptParts


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