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Brakes Bedford J5 truck 10 May 2022 20:24 #234993

  • jon_d
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Possibly use something like this to draw the fluid through the pipe and out the nipple.
As it does, it will suck out the bubble. Keep the vacuum up and fluid added to the reservoir.

www.bunnings.com.au/briggs-stratton-oil-removal-kit_p3370025?

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Brakes Bedford J5 truck 10 May 2022 21:14 #234995

  • Dutchman
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Ok, I have make a low pressure system by pump 12V. I fill the system on the other side of the master cylinder with oil, Only the line this moment for monitoring functional, and it sounds good.
Now connect one port to left side, front and rear . I know ...a lot off work but I have no history of this truck.
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Brakes Bedford J5 truck 11 May 2022 11:13 #235009

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Pump into a open bottle and draw from it. Then you'll be able to clear the air.

Interesting idea using a pump.

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Brakes Bedford J5 truck 11 May 2022 18:50 #235031

  • asw120
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I have used a pump, myself, but it was a windscreen washer bottle and pump. Decent pressure and lots of flow. I run it in one bleed nipple and out another. The return goes into a waste bottle until it runs clean, then back into the pump until it has run clear of bubbles for a while. Gets rid of bubbles that gravity, or pump-and-hold bleeding won't. I like the fuel pump idea. I must see how that flows. Flow is more important than pressure, I feel.

Jarrod.

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― Adlai E. Stevenson II
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Brakes Bedford J5 truck 11 May 2022 19:18 #235037

  • Dutchman
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Throughput of a constant amount of oil at low pressure, a fuel pump is therefore very suitable. Also a check valve in between so that the oil can go in one direction, and that is the highest point of the reservoir. Cover it otherwise everything will splash around.

This way the air has to get out, it's simple and can only be done. You can also empty the reservoir and check whether the oil is still clean.

I trust this, and I'm going to work on it.

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