Then lubricate all components except for the jaws.Įxamine the air compressor and air hoses. Issueĭirt and shavings accumulated in the jaws or jaw assembly cover.ĭisassemble the jaw assembly and clean each component. However, if a part needs replacement, check first with the air rivet gun’s manufacturer. Most fixes involve clearing debris from the airline, air cylinder, or jaw assemblage or applying lubrication where needed. The following table covers common issues pneumatic rivet guns encounter, what these issues may indicate, and how to fix them. It is unlikely the air cylinder will need relubrication during its lifetime, but this examination should still be a part of regular maintenance. Even if the air cylinder is initially lubricated, periodically inspect this area to check if the lubricant is still there or has worn off. Use a tool to push the piston down and apply lubricant to the inside of the cylinder. If this is not the case, unscrew the bottom cap of the air cylinder. Air cylinder: Most pneumatic rivet guns come from the factory with lubrication in the air cylinder.The distance from the front of the assembly to the threaded area on the rivet gun’s body should be the same as the distance indicated on the specialized wrench that comes with the rivet gun. Periodically remove the jaw assembly cover to determine whether the jaw assembly is aligned correctly. If not aligned properly, the jaw assembly cannot effectively pull rivet mandrels to install rivets. Jaw assembly: Over time, the jaw assembly can slip from its position.If using the tool continuously throughout a day or several days, lubricate the tool every 1-2 hours. If using the tool over several days, lubricate at the beginning of each day.
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