Question about Dewalt D51321 3/4" 1 3/4" Heavy Duty Coil Roofing Nailer, 70 120 Psi
The plunger that forces the nail out is not returning for the next nail
This problem is usually caused by two separate issues. Part # 631568 plate seal which is below the bumper and prevents air from leaking out the nose of the gun and forces the driver up. There is also the check seal which is a series of small holes drilled into the cylinder. These holes will be covered by orings or rubber band. Remove the head and pull out the cylinder, replace orings or band as needed. Good luck
Posted on Apr 02, 2015
I dont know this particular piece of equipment but it sounds like a broken return spring
Posted on May 25, 2009
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Posted on Jan 02, 2017
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