 | Home > Off Topic > sealey hydraulic press pump diagram? |
 
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| Landy-Novice Member Since: 23 Jun 2013 Location: wiltshire Posts: 118  
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Evening! i may have possibly in the slightest way broken the pump on the 20ton press at work..
i was talking an inteligent convasation (  ) when i wound the release handle all the way out, fliud came out the lot! refilled and tried priming but not good. just wondering if a spring or something fell out. so anyne got experiance with the hand pumps or have access to expolded diagrams?
http://www.uktools.com/sealey-yk20f-hydrau...14939.html affending knob circled in blue. https://www.defender2.net/gallery/albums/u...mb_232.jpg any info would be much appriciated.  |
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25th Aug 2015 9:16pm |
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| rallysteve Member Since: 10 Feb 2014 Location: Cumbria Posts: 2238 
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Shouldnt be any spring behind there. Think screw just had a tapered end that seats to close the return port. Are you sure you bled it correctly. When mine lost all its fluid I had to open the filler port on the end of the pump, refill it holding verticallu and allow the air to escape. I found i had to cycle it a few times whilst keeping the pump vertical to get the air out.
Steve 02' 110 TD5 Double Cab Rebuild Thread |
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25th Aug 2015 9:32pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17771 
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I'm not familiar withthe Sealey version of that pump (all mine are Enerpac) but it is not impossible that there was a ball bearing in the release valve. Bleeding that kind of pump should only involve making sure that there is oil in it, and pumping with the outlet lower than the reservoir to start with. The fact it's not working suggests the valve isn't sealing.
If you stand the pump on end, hose uppermost, and unscrew the valve again, take a look at the end of the screw and at the valve seat. If the end of the screw is pointy and the seat is just a hole, chances are the ball was not from it. If the end of the screw is flat, and the seat is chamfered (funnel shaped) pop the ball in and try again. |
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25th Aug 2015 10:33pm |
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| Landy-Novice Member Since: 23 Jun 2013 Location: wiltshire Posts: 118
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well im chuffed to mintballs!
got the apprentice to pump it for a good half hour, most work hes done in a long time the lazy little git. 
after it began to work but after 10ton pressure would drop rapidly. so i popped the vavle know out and had a peak. end was flat and a slight recess. so popped in the ball bearing and got apprence to stand there pumping it (fact he fell for it again was just comical! ) and hey presto, it works!
cheers guys! |
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26th Aug 2015 8:24pm |
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