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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Greenlee 880 bender hydro pump question
I picked up a used greenlee 880 bender, the hand pump doesn't move the
cylinder, does anyone have a diagram to rebuild this? I looked on the web but found a bunch of adds. It seems as it a valve is stuck, if you remove the hose it will just pump fluid in and out. |
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Waynemak wrote:
I picked up a used greenlee 880 bender, the hand pump doesn't move the cylinder, does anyone have a diagram to rebuild this? I looked on the web but found a bunch of adds. It seems as it a valve is stuck, if you remove the hose it will just pump fluid in and out. I wouldn't worry too much about a diagram, there isn't much to those pumps. Just make sure you take careful notes as you take the thing apart to clean it. I digital camera works wonders for this as does a styrofoam egg tray. Another really good thing for this type of project is one of the plastic catch basins they make for washing machines. About 32" square x 2" deep, great for containing all the hydraulic fluid while giving plenty of room to work. Pete C. |
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In article ,
says... I picked up a used greenlee 880 bender, the hand pump doesn't move the cylinder, does anyone have a diagram to rebuild this? I looked on the web but found a bunch of adds. It seems as it a valve is stuck, if you remove the hose it will just pump fluid in and out. I've got a rebuild kit with instructions for my 767 pump, like this one... http://www.toolup.com/productinfo.as...Manuf=Greenlee I can fax or photograph & email if it would be any help. The instructions consist of only a sectional view of the pump and instructions on refilling with oil - no details on the rebuild process itself. Ned Simmons |
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