Question about Plumbing
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Posted on Jan 02, 2017
oh ok i see whats wrong if u filled it with oil and realesed all the air out should be good if no go there is only one more problem that it can be
the 2 seals inside the jack one is a decent sized o ring
and the other is a rubber stopper to build up the pressure
to fix this problem the actual pump must be pulled out of the jack i have done this before but it is sorta hard if u need further help i can send u a diagram on how to do it thanks from chris
Posted on Sep 27, 2008
DONT KNOW WHO BUILT THIS JACK- AC DELCO JUST PUT STICKERS ON IT. TYPICALLY YOU REMOVE A PLASTIC SCREW IN PLUG OR A POP IN RUBBER STOPPER FROM THE TOPSIDE OF THE CYLINDER. WITH THE JACK ALL THE DOWN, FILL IT COMPLETELY UP AND IT SHOULD WORK. SOMETIMES THEY GET AIR IN THEM - JUST LEAVE THE PLUG OUT AND JACK IT UP A FEW TIMES, THEN INSERT PLUG. USUALLY 10 WEIGHT HYD OIL. OR "JACK OIL" AT THE STORE.
Posted on Mar 27, 2009
IT SOUNDS LIKE IT IS CAPABLE OF MOVING FLUID FROM THE RESERVOIR TO THE CYLINDER. CAN YOU SEE THE SMALL PUMP PISTON POP BACK OUT WHEN PUMPING THE HANDLE? MOST JACK PROBLEMS BELIEVE IT NOT IS AIR. THEY GET AIR POCKETS IN THEM AND CANT PUMP THEM OUT. TRY REMOVING THE FILL PLUG ( TYPICALLY A SMALL RUBBER POP-IN CAP ) FROM THE CYLINDER AND JACK IT UP. IF THIS WORKS DO IT FEW TIMES, THEN REINSTALL THE PLUG. YOU COULD ALSO HAVE A SMALL CHECK VALVE PROBLEM INSIDE. IF YOU DISASSEMBLE, BEWARE OF SMALL SPRINGS AND CHECK BALLS. MAKE NOTES. HOPE THIS HELPS.
Posted on Apr 07, 2009
I think I have the same jack. Th serial number was on a little sticker that is long gone,but the model number you need might needs is: 875.501390.
Hope this helps.
Posted on May 02, 2009
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