Question about Senco Fastening Systems No.43OOO1N SLP20 Brad Nailer/Case
We have a Senco SLP20 which is a few years old. When attempting to shoot gun, it will fire once and then air is hissing through top vent and piston has not retracted. I have taken it apart 3 times and lubed everything well to no avail. Any ideas?
I would recommend biting the bullet and putting new o rings in the tool. It sounds like one is either flattened or possibly pinched. Before going that far look at the cylinder and see if it is scored. I would go to Senco's website and look at a breakdown and that would also be a source of a parts kit. It is not that hard. Let me know if you can't find any information for this tool
Posted on Jan 22, 2009
Senco makes a line of nailers including the slp20 that use a firing valve (part # ba0119) that fires piston when trigger is depressed. These guns do not use oil because the oil will swell the rubber parts in the valve. When the rubber swells and tears slightly, symptoms that you describe will develop. Also remove the cylinder and look for cracks and make sure that the lower oring (LB0030) is in place and that tiny vent holes are clean. The lower oring is the checkvalve and causes the piston to retract. Use only the slightest bit of silicone lube on orings. Parts are available at www.toolpartsdirect.com. Good Luck
Posted on Jan 22, 2009
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Posted on Jan 02, 2017
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