WATER IN PNEUMATIC PRESS

as it is only a few months old take it back for a warranty repair or refund
there should be at least 6 months warranty

the check valve is normally on the end of the air line from the compressor into the tank
most are screwed into the tank with the compressor line attached to it.

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I suspect that you will need a pneumatic pump to replace the hand pump to get this to work as you need a multiplier to get the pressure high enough to make the press work at full pressure.

Sometimes the humidity level can overwhelm a dryer so letting the water out of the tank will help

The question is pretty loose so I will do the best I can without knowing the model and type of washer but they are all basically the same.

If the washing machine appears to be functioning normally but simply won't pump away the water then the possible causes (in the most likely order) are a blockage somewhere, a pump failure, or an electrical fault stopping the pump from running.
Blockages are the more likely explanation, but pumps can fail. If the washing machine will not empty the water out you may also not be able to open the door on some washing machines although these days it's much rarer to have a pneumatic lock on the door due to cost cutting [ if a washing machine has a pneumatic door safety lock a rubber hose is connected to the door interlock from a pressure chamber bottle on the tub - water in the tub forces air up this tube and locks the door, which is released when the water is pumped out and the air pressure drops].
Full and detailed advice about finding your pump filter, draining the washing machine when stuck full of water and looking for blockages can be found here - troubleshooting pump faults on a washing machine.
If this is helpful a vote with the thumbs up would be appreciated for the free advice and is you need furthur explanaition please feel free to contact me .
Thanks

parts can be found at amazon, click here and take a look: Amazon com Central Pneumatic parts. I hope this was helpful. Cheers

You models has a tubing coil as a water tank. Once you changed the filter air bubbles remained in the system. Slow leaks or drips from the water dispenser can be the result of air trapped in the water line and will usually occur just after replacing a water filter. When the filter is changed, a large amount of air enters the system and needs to be removed by running water from the dispenser until all the air pockets are gone. Another reason is the water valve itself may not be sealing when closed allowing water pressure from the supply like to work its way into the dispenser water line. This is a less likely reason, but you should be aware of this possibility when diagnosing your own problem. Thanks, Sea Breeze

can you please tell me where are the leak found as there are different place with dif temp seal

If you look inside the dishwasher paying special atention to the left front corner. Remove the lower dishrack and then you will see a dome shaped piece of plastic attached by one screw. Remove this screw and check and see if the float is gunked up. Sometime you have to remove the lower access panel to remove a little pal nut off the bottom of the float assembly to actually remove it to clean. Clean it real good and reinstall. This should solve your problem.

please mark my answer as a fixya! thanks.