Question about Tools & Hardware - Others
Posted by Anonymous on
Can't be more specific without model number.
Driver not returning to top of cylinder is caused by several issues. Bent driver, piston oring, and check valve. Remove head and pull out driver. The blade should be straight with no missing pieces. Driver piston should fit snugly into cylinder and not drop down cylinder under its own weight. If driver / piston look ok, pull out cylinder and look for check seal in place. It looks like rubber band or one or more orings and fit in groove/s with row of holes (make sure holes are clean). Other problems related to driver not returning is/are lower bumper is missing pieces or cracked and or air exhaust port is restricted, low air pressure. Parts are available at www.toolpartsdirect.com
Posted on Mar 29, 2011
"O" rings are sold by diameter, thickness and type of material, any auto parts store can likely match up what you have. I would use a material called "Viton" not just rubber, holds up better to chemicals
Posted on Apr 04, 2017
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