The tool is not self oiling. The hammer should be lubricated daily or before each use with air tool oil through the air inlet. During continuous use, it should be re-oiled every 1 to 2 hours.
JET 4in. Open Handle Chipping Air Hammer, Round Shank, 4in. Stroke, 1400 BPM, Model# JCT-3644

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- Heat treated cylinder and piston for added durability
- Open style forged handle is engineered to dissipate the impact energy more efficiently, reducing user fatigue and increasing safety
- Heavy-duty, industry proven valve design
- Comes with standard type retainer
- Operates @ 90 PSI
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