manual winshield washer pump

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JimmyC
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manual winshield washer pump

Post by JimmyC » Fri Feb 05, 2016 6:33 pm

I have the manual washer pump and it does not work. The discharge of the pump has a functioning check valve as expected, but the suction side does not. I figured there might be a foot valve in the bottle. When I looked there was not one but you could tell by the look of the hose something use to be there. The parts book shows it as "sieve for hose".

Does anybody know if this part contains the suction check valve?
Jim Chance
710M

All my post fully incorporate the Dunning-Kruger effect

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Brickren
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Re: manual winshield washer pump

Post by Brickren » Sat Feb 06, 2016 6:58 am

1975 710M
2000 Ural Tourist

Pinzcat
France
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Re: manual winshield washer pump

Post by Pinzcat » Sat Feb 06, 2016 7:32 am

I think that the suction side has a check valve too: unfortunatly it's often stuck and the pump doesn't work. I found a solution: dip the entire pump one night in water with a little wash liquid: my pump worked perfectly after that...

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cascade.king
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Re: manual winshield washer pump

Post by cascade.king » Sat Feb 06, 2016 2:48 pm

Any car parts store has a large selection of washer system check valves. Put one on each side of the pump (properly oriented) and it will draw up fluid and squirt.
Mike
1971 North American 700AP Haflinger Pathfinder

JimmyC
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Re: manual winshield washer pump

Post by JimmyC » Tue Feb 09, 2016 5:24 pm

I put a "vacuum check valve" on the suction side and now I squirt like a teenager.
Jim Chance
710M

All my post fully incorporate the Dunning-Kruger effect

NEWFISHER
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Re: manual winshield washer pump

Post by NEWFISHER » Wed Feb 10, 2016 4:34 pm

JimmyC wrote:I put a "vacuum check valve" on the suction side and now I squirt like a teenager.
okay, so how does the wiper system work? lol

ChickenPinz
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Re: manual winshield washer pump

Post by ChickenPinz » Sat Oct 24, 2020 5:39 pm

Just to add:

Mine never worked, but as soon as I was patient and pumped it enough times to get fluid into the pump assembly, it then worked as expected. It's not a strong squirt, but may be adequate.

For those with the manual (original) system, how high does the fluid squirt onto the windshield on your truck?
710K

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Brickren
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Re: manual winshield washer pump

Post by Brickren » Sat Oct 24, 2020 7:04 pm

The plastic nipples broke off mine. So i need to find a replacement
1975 710M
2000 Ural Tourist

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